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Allen Bradley - PLC

SLC 500

The Allen-Bradley SLC 500 is a compact and powerful family of programmable controllers designed for a range of standalone and distributed control and monitoring applications. The family is modular chassis-based and includes a processor module, I/O modules, communication modules, and power supply. SLC 500 series provides up to 64 KB of configurable storage capability for data and programs and more than 60 types of I/O modules with a variety of networking options. The family allows configuration of up to 3 local chassis offering a maximum of 30 local I/O modules. The chassis is available in 4, 7,10, and 13-slot versions, and multiple chassis can be connected together via interconnection cables. Remote I/O locations can be connected via ControlNet, DeviceNet, or Univeral I/O links using communication interface modules. The family uses RSLogix 500 ladder logic programming software providing powerful, flexible, and convenient editors and diagnostic tools. SLC 500 provides 5 processor types namely SLC 5/01, SLC 5/02, SLC 5/03, SLC 5/04 and SLC 5/05. The controllers allow additional accessories including memory modules, adapter sockets, and program storage devices. Components of the SLC 500 family are designed to work in robust environmental conditions with operation in a temperature range of 0 to 60 °C (32 to 140 °F) and humidity levels of 5 to 95% without condensation. The components can withstand vibration during operation of up to 1 g @ 5 to 2000 Hz as well as the shock of 30 g (3 pulses, 11 ms). SLC 500 is UL, c-UL, CE, C-Tick, and KC certified for all applicable directives.

Collage of images depicting SLC 500 units

SLC 500 Selection Guide

The SLC 500 is a series of small, chassis-based modular programmable controllers (PLCs) and I/O modules. This control platform is designed and built by Allen-Bradley/Rockwell Automation for industrial environments. It is capable of handling extremes in mechanical shock and vibration, as well as withstanding a wide range of humidity and temperature conditions.

The SLC 500 is available with a maximum of 64K of program/configurable data memory. Hence, the SLC 500 processors can provide power, flexibility, and expanded I/O options to take on a wide range of control applications that previously required larger and more expensive control solutions. Also, SLC 500 modular I/O systems provide more than 60 types of I/O modules, which you can use to customize your control application with a broad selection of I/O options, including discrete, analog, and numerous specialty I/O modules from Rockwell Automation and third-party partners.

Overall, an SLC 500 control system can address high-speed processes and discrete control applications from a single control platform. As either a Stand-Alone control system with a processor and I/O modules connected in a single 1746 chassis having a power supply, or as a Distributed control system that can utilize distributed I/O, multiple controllers connected across networks, or I/O in multiple control platforms connected over multiple I/O links and distributed in many locations. This makes the system ideal for fast-paced control operations like packaging machines and bottling lines.

All the aforementioned features have helped to make the Allen-Bradley SLC 500 the premier small logic control system available in the market today. More than a decade after its introduction, the SLC 500 system is still a gold standard of small-size, full-featured programmable logic control systems that are currently in use. Therefore, whenever you’re selecting an SLC 500 system, you must specify the right components to get the most out of its features. This article will provide you with a checklist to use as a guide to completing the specifications of your SLC 500 system.

Selection Criteria

With SLC 500 modular control systems you select the appropriate I/O modules, Communication Modules, Processor, Chassis, and Power Supply selections to fit your application. You can use the following selection checklist for SLC 500 Systems as a guide to completing your control system specification, depending on your application requirements.

Select I/O Modules

SLC 500 I/O Modules are available in a variety of voltage options and densities. Some modules have individually isolated inputs/outputs, diagnostic features, or electronic fuses for protection. You can choose from over 60 digital, analog, and specialty SLC 500 I/O modules to control discrete, analog, and temperature signals. Moreover, you can select any of the available specialty modules for your high-speed counting, temperature, hydraulic, motion and positioning, or press control applications. Note, that the selected specialty module should fit directly into the 1746 chassis.

This complete and varied assortment of I/O modules will provide you with the flexibility and speed you need to create and configure a custom solution for your SLC 500 control application. Select the SLC 500 I/O modules that exactly match your application requirements. You can also include combination modules that will allow you to have inputs and outputs in a single slot for optimal use of the available chassis space.

Some of the SLC 500 I/O modules provided by Rockwell Automation are available in the following categories:

  • 1746 Digital I/O Modules: These modules are available in a broad range of densities including 4-, 8-, 16-, and 32-points. They can interface to an assortment of AC (alternating current), DC (direct current), and Transistor–Transistor Logic (TTL) voltage levels. The 1746 digital output modules are available with solid-state AC/DC and relay contact type outputs. For added flexibility, combination digital I/O modules with 6 inputs/6 outputs, 4 inputs/4 outputs, and 2 inputs/2 outputs are also available. Generally, 1746 digital I/O are high-quality modules designed and tested for industrial applications; you can thus use them in a variety of harsh industrial environments. For example, fast response DC inputs and high-density 32-point DC I/O modules allow SLC 500 systems to be applied in a broader spectrum of industrial control applications.
  • 1746 Analog I/O Modules: These modules feature user-selectable current or voltage inputs, diagnostic feedback, backplane isolation, and Removable Terminal Blocks (RTBs). The input channels of the 1746-NI4, 1746-NIO4I, and 1746-NIO4V analog modules are filtered to eliminate high-frequency noise and provide a high resolution of 14- to 16-bit that is range-dependent. Also, all 4-channel analog output modules (1746-NO4I, 1746-NO4V) provide 14-bit resolution and a conversion rate of 2.5 milliseconds.
  • SLC 500 Thermocouple/mV Input Modules: They include the 1746-NT4, 1746-NT8, and 1746-INT4 modules. All these modules accept millivolt analog signals which cannot be detected by standard 1746 analog modules. Also, all the modules in this category interface to different thermocouple types, including J, K, T, E, R, S, B, and N.
  • RTD Resistance Input Modules: They include 1746-NR4 and 1746-NR8 RTD modules. These modules provide four filter frequency options, allowing you to select the level of input noise filtering that is appropriate for your application and the surrounding environment.
  • High-Speed Counter Modules: The 1746-HSCE module provides bidirectional counting of high-speed inputs from various high-speed switches and quadrature encoders.
  • Blow Molding Modules: The 1746-BLM module is an intelligent I/O module that is used on most types of blow molding machines to provide up to 4 axes of closed-loop parison control.
  • Stepper Control Modules: The 1746-HSTP1 is a single-axis, single-slot stepper module capable of providing a maximum of 250 kHz pulse train outputs to be used in micro-stepping applications. It operates with a variety of SLC 500 processors.

I/O Wiring Systems

After you have selected the type of SLC 500 I/O modules that will meet your precise control needs, check their wiring requirements. Some SLC 500 I/O modules require Interface Modules (IFMs) and/or pre-wired 1492 cables.

Select Communication Modules/Devices

Rockwell Automation offers a variety of SLC 500 communication modules and devices which support different communication networks, including DeviceNet, ControlNet, EtherNet/IP, DH-485, DH+, Universal Remote I/O, and Serial Networks. You should determine the communication network requirements for your application and select the necessary SLC 500 communication modules/devices. Also, include the appropriate communication cables to interface the selected communication modules to the controller and other devices.

  • EtherNet/IP: This is an open industrial networking standard that uses commercial, off-the-shelf physical media and Ethernet equipment. The Ethernet network is well-suited for high-speed transfer of data between information systems and/or multiple controllers, program maintenance, and Intranet/Internet connections. Hence, an Ethernet network will provide you with many possibilities because you can maximize communication between a great variety of equipment from multiple vendors. Please take note that for an Internet connection, you will need the TCP/IP protocol. In the SLC 500 family, EtherNet/IP connectivity is provided by the SLC 5/05 processors. Ethernet communications in SLC 5/05 processors take place at 10Mbps or 100Mbps, providing you with a high-speed network for data acquisition, operator interface, peer-to-peer messaging, program upload/download, and online editing.
  • ControlNet: This network enables intelligent, high-speed control devices to exchange information required for programming, remote device configuration, operator interface, work-cell coordination, supervisory control, and troubleshooting. ControlNet connectivity in SLC 500 systems is provided by the following interfaces:
    • ControlNet Messaging Module (1747-KFC15): It provides unscheduled ControlNet network connectivity for SLC 5/03 and higher processors. With unscheduled messaging, you can access and edit your SLC 500 controller program or send peer-to-peer messages over the ControlNet network.
    • ControlNet Scanner (1747-SCNR): This module provides scheduled ControlNet connectivity for SLC 5/03 and higher processors. With scheduled messaging, you can use the SLC processor to control real-time I/O events on the ControlNet network.
    • ControlNet Adapters (1747-ACN15 and 1747-ACNR15): These adapter modules provide both unscheduled and scheduled ControlNet connections for 1746 I/O modules. They enable SLC 500 systems to control up to three 1746 Chassis (with 30 slots) of analog, discrete, and specialty I/O modules over a ControlNet network.
  • DeviceNet: This network provides a significant reduction in wiring and high-speed access to plant-floor devices and data. The following interfaces provide DeviceNet connectivity for SLC 500 control systems:
    • DeviceNet Scanner Module (1747-SDN): This module acts as an interface between SLC 5/02 or higher processors and DeviceNet devices. Through the DeviceNet network, the module can monitor the operational status, download configuration data, read inputs, and write outputs.
    • DeviceNet Interface Device (1761-NET-DNI): The DNI (DeviceNet Interface) gets the full-duplex DF1 commands and bundles them up in the DeviceNet protocol before sending them over to a target DNI. The target DNI acts as an interface for DF1 end devices to the DeviceNet network. When removing the DeviceNet information, it passes the DF1 commands to the end device.
  • Data Highway Plus (DH+): This network supports data acquisition and remote programming for plant-floor control applications. You can use DH+ communication modules if you want to implement a peer-to-peer network for your SLC 500 system.
  • DH-485 Network: This communication network enables plant-floor devices to share information. Through the DH-485 network, SLC 500 application programs can perform data acquisition, monitor device and process parameters and statuses, including alarm and fault detection, download/upload PLC programs over the network, and perform supervisory control functions.
  • Universal Remote I/O: This is a control network that provides connections between SLC 500 controllers and remote or built-in remote I/O adapters. Its typical applications range is from simple I/O links with 1746 I/O and SLC 500 controllers to distributed control systems with a variety of other devices and multiple I/O controllers that communicate with a supervisory controller. In SLC 500 systems, Universal Remote I/O connectivity is provided by the following interfaces: the 1747-SN remote I/O scanner, the 1747-BSN backup remote I/O scanner, the 1747-ASB remote I/O adapter module, and the 1747-DCM direct communication module.
  • Serial Network: SLC 5/03, SLC 5/04, and SLC 5/05 processors have a built-in serial port that is configurable for RS-422A, RS-423, or RS-232 compatible communications via a serial network. You can use the serial port to connect devices that communicate using the DF1 protocol, such as programming workstations, communication modules, modems, or other Encompass partner devices, as well as devices that send and receive ASCII characters, such as bar-code readers, printers, and ASCII terminals.

Select an SLC Processor

Select the most appropriate SLC 500 processor for your application based on memory, speed (performance), number of supported I/O, communication options, and programming requirements.

The available Allen-Bradley SLC 500 Processors from which you can choose include:

  • SLC 5/01 Processors (1747-L511 and 1747-L514): These processors provide a comprehensive set of 51 Ladder Logic programming instructions in a modular hardware configuration, with the choice of 1K or 4K program memory size. They support DH-485 communication channels, for peer-to-peer response only. An SLC 5/01 processor can control from 4 I/O points up to 3940 I/O points. In modular 1746 I/O systems, you can configure such a processor with a maximum of three chassis (30 slots in total). Note that the 1747-L511 processor requires a capacitor backup (battery backup is optional), while the standard for the 1747-L514 processor is a battery backup.
  • SLC 5/02 Processors (1747-L524): These processors provide increased processor speed over the SLC 5/01 with additional instructions, additional peer-to-peer communication options, and increased diagnostics. They provide a program memory size of 4K instructions, a PID feature for closed-loop process control, index addressing, an Interrupt capability of a 10-millisecond Selectable Timed Interrupt (STI), user fault routines, and battery-backed RAM. SLC 5/02 Processors support DH-485 communication channels for both initial and response peer-to-peer communication. They also have the capability of solving 32-bit signed math functions.
  • SLC 5/03 Processors (1747-L531 and 1747-L532): These are high-performance processors, as they provide faster throughput times of 1 millisecond for a typical 1K user-defined program. SLC 5/03 Processors can provide 32K, 16K, or 8K of user memory. With these processors, you can connect to external intelligent devices without the need for additional interface modules, as they offer an inbuilt RS-232 channel. Modular I/O systems with SLC 5/03 processors can control a maximum of 4096 I/O points and they can be configured with a maximum of 3 chassis (30 slots in total).
  • SLC 5/04 Processors (1747-L541, 1747-L542, and 1747-L543): These processors provide DH+ communications in addition to the baseline functionality of the SLC 5/03 processors. As the standard DH-485 port is replaced with a DH+ port, communications through the DH+ network are 3 to 12 times faster than DH-485 communications. This provides high-speed SLC 5/04-to-SLC 5/04 communications with increased performance levels and direct connection to PLC-5 controllers. In addition, the SLC 5/04 processors provide program memory options of 16K, 32K, or 64K. They can control up to 4096 I/O points with up to 3 chassis (30 slots in total).  A key feature of these processors is an SLC 5/04P option, which contains algorithms specifically designed for the control of Plastics Machinery.
  • SLC 5/05 Processors (1747-L551, 1747-L552, and 1747-L553): These provide similar control functionality as the SLC 5/04 processors but use standard Ethernet communications instead of DH+ communications. They support Ethernet communications at 10 Mbps or 100 Mbps, providing you with a high-performance network for data acquisition, peer-to-peer messaging, operator interface, program upload/download, and online editing. These controllers offer a variety of program memory sizes (16K, 32K, or 64K), allowing you to closely match your SLC 500 application needs. Also, you can configure modular I/O systems with SLC 5/05 Processors with up to 3 chassis (30 slots in total), as well as a maximum of 4096 I/O points.

Select an SLC Chassis

The SLC 500 chassis hosts the I/O modules and the processor. Each chassis in your system should have a power supply. The power supply is mounted on the left side of the 1746 chassis. While the first slot in the first chassis (in case of 3 or 2 chassis) is set aside for the SLC 500 processor or any of the following adapter modules: 1747-ASB, 1747-ACNR15, or 1747-ACN15.

Modular style SLC 500 chassis provide flexibility in system configuration. You can choose any of the following four sizes of chassis: the 1746-A4 (4-slot chassis), the 1746-A7 (7-slot chassis), the 1746-A10 (10-slot chassis), and the 1746-A13 (13-slot chassis).

Note, that tools are not required to insert or remove the SLC 500 processor or I/O modules as all of the components of your SLC 500 system should slide easily into the chassis along with the provided guides. You can connect several chassis to form a chassis system (with a maximum of 3 chassis) using interconnect cables. Therefore, ensure that you select the right sizes of chassis to interconnect cables.

Select an SLC 500 Power Supply

When configuring an SLC 500 modular system, every 1746 chassis requires a power supply to power the I/O modules and the processor. Ensure you use the available power supply loading worksheet to provide sufficient power to your SLC 500 system. Careful power supply selection results in the best performance. However, excessive loading of the power supply outputs can lead to power supply shutdown or premature failure of the entire SLC 500 system. Also, whenever you’re selecting a power supply, make sure that you account for the future expansion needs of your SLC 500 system.

Allen-Bradley provides seven different SLC 500 power supplies: three AC and four DC. You can configure the AC power supplies to operate between 120 and 240 volts AC. No special wiring is required for AC power supplies since you can easily select either 120 or 240 volts AC with a jumper wire.

SLC 500 Power Supplies
  • 1746-P1: This power supply has a line voltage of 85 to 132 volts AC and 170 to 265 volts AC at a frequency of 47 to 63 hertz. The internal current capacity is rated at 2 amperes at 5 volts DC and 0.46 amperes at 24 volts DC.
  • 1746-P2: This power supply has a line voltage of 85 to 132 volts AC and 170 to 265 volts AC at a frequency of 47 to 63 hertz. The internal current capacity is rated at 5 amperes at 5 volts DC and 0.96 amperes at 24 volts DC.
  • 1746-P3: This power supply has a line voltage of 19.2 to 28.8 volts DC. The internal current capacity is rated at 3.6 amperes at 5 volts DC and 0.87 amperes at 24 volts DC.
  • 1746-P4: This power supply has a line voltage of 85 to 132 volts AC and 170 to 265 volts AC at a frequency of 47 to 63 hertz. The internal current capacity is rated at 10.0 amperes at 5 volts DC and 2.88 amperes at 24 volts DC.
  • 1746-P5: This power supply has a line voltage of 90 to 140 volts DC. The internal current capacity is rated at 5 amperes at 5 volts DC and 0.96 amperes at 24 volts DC.
  • 1746-P6: This power supply has a line voltage of 30 to 60 volts DC. The internal current capacity is rated at 5 amperes at 5 volts DC and 0.96 amperes at 24 volts DC.
  • 1746-P7: This power supply has a line voltage of 10 to 30 volts DC. The internal current capacity for a 12-volt DC input is 2 amperes at 5 volts DC and 0.46 amperes at 24 volts DC. Additionally, the internal current capacity for a 24-volt DC input is 3.6 amperes at 5 volts DC and 0.87 amperes at 24 volts DC.

Select a Lithium Battery Assembly

You should also select a replaceable 1747-BA Lithium Battery to provide backup power for the processor RAM. If you’re using SLC 5/01 Processors, the selected battery should provide backup power for at least 5 years for the 1747-L511 processor and 2 years for the 1747-L514 processor. In case you’re using either SLC 5/02, SLC 5/03, SLC 5/04, or SLC 5/05 processors, select a Lithium battery that can provide backup power for approximately two years.

Browse our selection of SLC 500 units

AutomationStop.com's online catalog offers one of the largest selections of preowned SLC 500 units in the world.

1747-BA

The 1747-BA is a Lithium battery belonging to Allen Bradley's SLC 500 series of products. The voltage of this battery is rated at 3 volts. The lithium content of each 1747-BA battery is 0.23 grams. It is recommended that the 1747-BA be stored in a cool, dry area with a temperature of 20 to 25 degrees Celsius and relative humidity of 40 to 60%. The 1747-BA should not be short-circuited, disassembled, damaged, heated, or burned. Batteries should not be stacked or mixed.

1747-BSN

The 1747-BSN is an Allen-Bradley SLC 500 backup scanner module. This module is fully compatible with SLC 5/02, 5/03, 5/04, and 5/05 CPUs (central processing units). The 1747-BSN has an HSSL option that allows users to write persistent data collected from the primary processor to the secondary processor. This unit also incorporates a Local Link (LSL) that allows multiple 1747-BSN modules on the same industrial chassis to communicate status information. At 5 volts, the backplane current consumption of the 1747-BSN is 800 milliamperes.

1747-CP3

Catalog number 1747-CP3 is a programmer cable from Allen Bradley. This cable belongs to the SLC 500 line of products and is compatible with SLC 5/03 and 5/04 modular programmable controllers. This cable has a length that measures 118 inches, or the equivalent of 3 meters. The 5/03 and 5/04 end of the 1747-CP3 programmer cable has a 90-degree female 9-pin D-shell connector. Additionally, this cable is a straight female 9-pin D-shell connector on the DTE device end.

1747-DCM

Product number 1747-DCM is a direct communications module that was manufactured by Allen Bradley. This device has a total of one (1) RIO link connector. Additionally, it can transmit data at speeds of 57.6K baud, 115.2K baud, and/or 230.4K baud. Furthermore, the 1747-DCM has a backplane current consumption of 360 milliamperes at a voltage of 5 volts.

1747-DPS1

Part number 1747-DPS1 is an Allen Bradley port splitter. The embedded DF1 and RS-232 full-duplex input ports for controllers from the SLC 500, PLC-5,  ControlLogix, MicroLogix, FlexLogix, and CompactLogix lines of products may be expanded with the use of this device. The 1747-DPS1 includes two (2) RS-232 ports, one of which allows for two-way communication, and the other offers a respond-only mode for use with operator terminals. This port splitter also includes four LEDs that indicate the various statuses of the device.

1747-DPS2

The Allen-Bradley 1747-DPS2 is a port splitter module. This module allows for the splitting of a single communication port in an SLC 500 controller. The 1747-DPS2 splits an RS-232/DF1 full-duplex communication port into two (2) ports, allowing for simultaneous communication with two (2) external devices. This module can be mounted via a DIN rail, and it requires a 24 volts DC voltage from an external power source to operate. It contains one DF1 controller port, one Prog/HMI port one RS-232 network port, and one removable RS-485 terminal.

1747-DSN

The Allen Bradley 1747-DSN is a distributed I/O scanner that belongs to the SLC 500 product line. An SLC processor, a scanner, an isolated coupler, and I/O blocks make up this system. Each I/O block of the 1747-DSN is connected and communicated with through a module. The 1747-DSN distributed I/O scanner initializes communications by using the main I/O block to send the output. The DIO link baud rate is 230.4 KBaud, while the DH-485 data link baud rate is 19.2 KBaud.

1747-KE

Product number 1747-KE is an Allen Bradley DH-485/RS-232C interface module. This device has a configuration port, a DF1 port, and a DH-485 port situated on its front. This module also has eight (8) LED indicators. These indicators are labeled 485, DF1, CFG, ACT, BA LOW, F/D, H/D, and FAULT. The 1747-KE has a power supply loading rating of 150 milliamperes at 5 volts DC, as well as 70 milliamperes at 24 volts DC. The configuration and DF1 ports of this device have a 500-volt AC isolation rating. The DH-485 port, however, is not isolated.

1747-KFC15

The 1747-KFC15 is an interface module from the SLC 500 product line by Allen Bradley. It is also known as the ControlNet interface module since it communicates with the SLC network using an RS-232 interface. The power rating of the module is 640 milliamperes at 5 volts and 40 milliamperes at 24 volts. This module has a recommended operating temperature ranging from 32 to 140 degrees Fahrenheit. Additionally, the recommended storage temperature of this module ranges from –40 to 185 degrees Fahrenheit.

1747-L20A

The Allen Bradley 1747-L20A fixed controller module has a total of twenty (20) I/O points. These I/O points consist of twelve (12) input points rated at 120 volts AC and eight (8) AC/DC relay output points. The line power rating of the 1747-L20A is 120/240 volts AC. This fixed controller has capacitor-backed RAM memory with the option of battery-backed RAM. The 1747-L20A operates via a power supply voltage ranging from 85 to 265 volts AC at a 47- to 63-hertz frequency. The power supply inrush rating of this product is a maximum of 30 amperes. Additionally, the 1747-L20A has a maximum power requirement of 50 volt-amperes. This fixed controller has several light-emitting diode (LED) indicators that are labeled POWER, CPU FAULT, BATTERY LOW, FORCED I/O, and PC RUN.

1747-L20C

The 1747-L20C is a fixed hardware style controller included in the SLC 500 product line. This Allen Bradley controller has twelve (12) 24VDC sink inputs and eight (8) AC/DC relay outputs. It has a 1K instruction capacity, 4 μs bit execution, and an average scan time of 8 ms/1K. High-speed inputs are included in the controller. The input voltage for this controller assembly is 120/240 VAC.

1747-L20E

The 1747-L20E is a discrete controller and I/O processing device by Allen Bradley. It requires a supply power of 120 to 240 volts AC to operate properly, and it has an 8kHz high-speed counter. This unit has a total of 20 I/O channels. It can be operated at a temperature ranging from 0 to 60 degrees Celsius. The device has a peak power of 50 volt-amperes across its circuit.

1747-L30A

Manufactured by Allen Bradley, part number 1747-L30A is a controller module from the SLC 500 line of products. It has a line power rating of 120/240 volts alternating current (AC). This module has eighteen (18) 120-volts AC input channels, in addition to twelve (12) AC/DC relay output channels. The physical dimensions of this module measure 5.72 inches x 1.37 inches x 5.15 inches.

1747-L30B

The 1747-L30B is a controller that works with PLCs and the SLC 500 product series of programmable logic controllers. It has a max on-state voltage of 30 VAC and an on-state voltage range of 85 to 132 VAC. Additionally, the controller has a max turn-on time of 35 milliseconds and a max turn-off time of 45 milliseconds. Its average scan time is 8 milliseconds per kilobyte.

1747-L30C

Allen-Bradley/Rockwell Automation designed and manufactured the 1747-L30C, which is an SLC 500 series fixed I/O processor module. This processor module has 30 I/O points and a high-speed counter built-in. The I/O points of the 1747-L30C fixed I/O processor module include eighteen (18) sink input channels with a 24 Volt DC voltage rating and twelve (12) AC/DC outputs. This processor's line power rating is 120/240 Volts AC, and its supported user power rating is 24 Volts at 200 milliamperes. The 1747-L30C fixed I/O processor module has a minimum and maximum power rating of 18.7 watts and 24 watts, respectively. This SLC controller can be used with a Data Access Table Module (DTAM), and it can be configured and programmed using a Handheld Terminal such as the 1747-PT1, an isolated link coupler like the 1747-AIC, or an advanced coupler like the 1747-NET-AIC. Appropriate replacements for this controller include MicroLogix or CompactLogix controllers.

1747-L30D

The 1747-L30D is a fixed hardware controller featured in Allen-Bradley's SLC 500 product series. It has eighteen (18) 24VDC sink inputs and twelve (12) AC Triac outputs. It is compatible with wires that have a size of 14 AWG. This controller should be stored at a temperature ranging from -40 to 85 degrees Celsius and be operated at a temperature ranging from 0 to 60 degrees Celsius.  The controller has a line voltage rating of 120/240 Volts AC and is compatible with the high-speed counters.

1747-L40A

The 1747-L40A from Allen-Bradley is an SLC 500 output/relay processor. The AC-powered processor has twenty-four (24) 120-volt AC inputs and sixteen (16) AC/DC relay outputs. The processor has a 1K word instruction capacity, an input power rating of 120/240 volts AC, and a power requirement of 50 volt-amperes. Its design features a built-in DH-485 communication port. The 1747-L40A processor offers a small programmable logic controller and replicates the operation of older and larger PLC systems.

1747-L40B

The 1747-L40B is a fixed controller module from Allen-Bradley. This controller features twenty-four (24) 120-volt AC inputs, sixteen (16) AC Triac outputs, and a 120/240-volt AC line power rating. The 1747-L40B is a fixed controller that includes a processor with 1,024 (1K) instruction capabilities, a power supply, and a set of I/O. The 1747-L40B has a capacitor-backed RAM memory type and enables optional battery backup and memory backup via EEPROM or UVPROM. It has a nominal input current of 12 milliamperes at 120 volts AC. This product has a maximum turn-on time of 35 milliseconds, in addition to a maximum turn-off time of 45 milliseconds. The 1747-L40B has an on-state voltage of 85 to 132 volts AC and a maximum off-state voltage of 30 volts AC.

1747-L40C

The 1747-L40C is a fixed controller module compatible with Allen Bradley's SLC-500 platform. It requires a 120-240V AC line supply and operates on 20.4 to 27.6 Volts DC or 24VDC +/- 15%. The unit contains a processor with 1,024 (1K) instruction capabilities, a power supply, and a fixed number of I/O in a single package.

1747-L40E

Allen Bradley's 1747-L40E is a fixed controller from the SLC 500 platform. This controller has a total of forty (40) I/O channels. These I/O channels consists of sixteen (16) DC transistor source output channels and twenty-four (24) 24-volt DC sink input channels. The rated line power is 120/240 volts AC for this controller. Additionally, the user power is 24 volts at 200 milliamperes.

1747-L40F

The 1747-L40F by Allen Bradley is a fixed controller for the SLC 500 platform. This controller's design concept is compact, straightforward, and portable while still providing the power and versatility of a large controller. It has 1,024 words of user memory. This unit has twenty-four (24) 24-volt DC sink input channels and sixteen (16) AC/DC relay output channels for a total of forty (40) I/O channels.

1747-L511

The 1747-L511 is an Allen-Bradley controller module from the SLC 500 series of products. It comes with 1 kilobyte of memory and a built-in DH-485 communication connection. It can handle up to 3940 discrete IO operations. This module has 960 local digital I/O, an 8-millisecond program scan time per keyword, and a 2.6-millisecond Input/Output (I/O) scan time. The 1747-L511 supports a maximum of three (3) local I/O chassis, as well as a maximum of thirty (30) I/O slots. This product has a backplane current rating of 350 milliamperes at 5 volts direct current and 105 milliamperes at 24 volts direct current.

1747-L514

The 1747-L514 is a type of SLC processor module with 4K memory. Additionally, this device includes an integrated DH-485 communication port. When operating at 5 volts direct current, this processor can draw 0.090 amperes from the backplane. It can establish a connection to a maximum of three (3) I/O chassis. It consumes 1.75 watts of power. The built-in AIC module is fully compatible with the embedded DH-485 port. The data table access unit also allows users to access the module's memory tables. The 1747-L514 is programmed for use in either small or medium-sized industrial automation applications. This device can control up to thirty (30) I/O modules.

1747-L524

The Allen-Bradley 1747-L524 SLC 5/02 is a CPU processor with a 4K user memory. The processor has a built-in DH485 communication interface. It allows a maximum of 4096 in and 4096 I/Os with a maximum Local Analog I/O count of 480. The processor’s typical I/O and program scan time are 1.6 / 4.8 ms/ Kword. The 1747-L524 processor allows 30 I/O points within 3 maximum chassis. Additional features include an EEPROM backup memory with battery-backed RAM.

1747-L531

The 1747-L531 is an SLC 5/03 modular processor part of the Allen Bradley SLC 500 Modular Hardware family. The processor comes with a memory capacity of up to 8 KB of battery-backed RAM, and I/O points capacity of 8192 I/Os. The processor has built-in communication interfaces including an RS-232 port and DH485 communication port. It has a typical scan time of 1 ms/K. The processor is designed to cater to 3 I/O chassis and 30 chassis module slots.

1747-L532

The Allen Bradley 1747-L532 is a CPU processor part of the SLC 500 family. The SLC 5/03 processor has a user memory of 16K. It has a maximum I/O capacity of 4096 discrete inputs and 4096 discrete outputs. Its local system is designed for 3 chassis and 30 I/O points. Its typical program scan time is 1 ms/K. The 1747-L532 processor communicates externally via DH-485 & RS-232 communication ports and allows front installation and rail mounting.

1747-L533

Product number 1747-L533 is an SLC 5/03 processor module. This module, a product of Allen-Bradley/Rockwell Automation, is part of the SLC 500 line of products. This device has a memory capacity of 32,000 words. The 1747-L533 has a typical scan time of 1 ms/K, as well as a bit execution of 0.44 microseconds. At 5 volts direct current, the 1747-L533 has a power supply load of 500 milliamperes. Additionally, at 24 volts direct current, the 1747-L533 has a power supply load of 175 milliamperes.

1747-L541

The 1747-L541 is an SLC 5/04 processor module from the SLC 500 line of products. This processor module with a voltage rating of 24 volts DC has a 16K word user memory. It is equipped with an RS-232 port and a Data Highway Plus (DH+) port for external connections. The 1747-L541 processor module has an I/O capacity of 4096 for both discrete inputs and outputs.

1747-L542

The 1747-L542 by Allen Bradley is an SLC 500 family SLC 5/04 CPU controller which is equipped with a memory capacity of 32K words (28K words for data or programs and 4K words for data). The controller allows 30 maximum module slots within 3 maximum local I/O chassis. External communication is enabled by DH+ and RS-232 ports. The controller has a battery backed RAM and program/I/O scan times of 0.9/0.225 ms (typ).

1747-L542P

Catalog number 1747-L542P is an SLC 5/04 processor manufactured by Allen Bradley. This processor has a memory capacity of 32 kilobytes (KB). The 1747-L542P can support up to 8192 digital I/O. The program scan time is 0.9 milliseconds, while the I/O scan time is 0.225 milliseconds. The 1747-L542P has built-in Data Highway Plus (DH+) and RS-232 communication connections.

1747-L543

The 1747-L543 is an SLC 500 5/04 CPU processor with 64K user memory capability. The processor allows 8192 I/O capacity (4096 for input and output separately). The processor is equipped with DH+ and RS-232 communication interfaces. The processor is designed for chassis assembly within the SLC 500 modular hardware with rack assembly, rail mounting, and front installation options. The processor allows usage of maximum of 3 chassis and 30 I/O slots. Its typical program scan time is defined at 0.9 ms/K.

1747-L551

The 1747-L551 is an Allen Bradley Series C 5/05 processor belonging to the SLC 500 product line. The module has 16K memory with a battery backed-RAM and a maximum current capacity of 1 A/ 5 V DC and 0 A/ 24 V DC. It has Ethernet and RS-232 communication ports and can support up to 32 connections at a time. The processor has 4096 IN and 4096 OUT I/O pins and a program scan time of 0.9 ms/K.

1747-L552

The 1747-L552 is an Allen Bradley 5/05 controller module belonging to the SLC 500 product line. The module is designed with a 32K battery backed-RAM with communication interfaces including Ethernet and RS-232 communication ports. It can support up to 32 connections with 4096 in + 4096 out absolute maximum I/Os and 480 analog I/Os. The controller module has a program scan time of 0.9 ms/K and I/O scan time of 0.225 ms/K.

1747-L553

The 1747-L553 is an Allen Bradley SLC 500 series 5/05 Processor with 64K memory capacity. The processor is highly and can handle up to 64 connections at a time. The processor supports battery backup and Ethernet & RS-232 Communication Ports. Its Number of I/Os is specified at 4096 IN + 4096 OUT (absolute maximum) with Local Analog I/O at 480 maximum. The processor holds typical program and I/O scan times of 0.9 ms/K and 0.225 ms/Kword.

1747-L553P

The Allen-Bradley 1747-L553P is a 32-kilobyte SLC 5/05 processor module. This module belongs to the SLC 500 product line. It is a compact, straightforward processor with a wide range of applications, including small-scale process control,material handling, and HVAC management, among others. For SCADA applications, it can be a stand-alone device or spread throughout a system. The backplane current ofthis unit is rated as 1 ampere at 5 volts DC, as well as 0 amperes at 24 volts DC.

1747-M1

The 1747-M1 is an EEPROM memory device included in Allen Bradley's SLC 500 product line.  It has an 8 KB memory and a 1K user word memory for SLC controllers. It also includes a flash backup memory. This memory device has a program scan time of 0.9 milliseconds and an I/O scan time of 0.225 milliseconds.

1747-M11

Catalog number 1747-M11 is an SLC 500 memory module. This memory module has an EEPROM memory capacity of 32 kilobytes. This product may be used with SLC 5/03, 5/04, and/or 5/05 central processing units (CPUs) depending on which series (A or B) of the 1747-M11 is used. The Allen Bradley 1747-M11 has an 8-kilobyte memory capacity, in addition to a 64,000-word user memory capacity. This device can even store up to 1,000 instructions.

1747-M13

The Allen-Bradley 1747-M13 is an SLC 500 flash memory module compatible with SLC 5/03, 5/04, and 5/05 controllers. This memory module utilizes circuit-mounted flash EEPROM for programming and data table storage. The module has a memory capacity of 64 kilobytes with program and I/O scanning times of 0.9 milliseconds and 0.225 milliseconds, respectively. This module supports 30 chassis module slots and 3 I/O chassis.

1747-M2

Product number 1747-M2 is an SLC 500 memory module from Allen Bradley. This memory module has Flash memory with a memory capacity of 4 kilobytes (KB). This module was manufactured for program/data table storage, and it is compatible with fixed SLC, SLC 5/01, and SLC 5/02 processors. Non-volatile memory is provided by adding additional memory modules.

1747-NP1

The 1747-NP1 is an Allen Bradley SLC 500 AC to DC adapter. This adapter outputs 18 to 30 volts DC to the data table access module (DTAM) Micro. The 1747-NP1 has an input voltage rated at 120 volts alternating current (AC).

1747-PIC

The Allen-Bradley 1747-PICA is an SLC 500 Interface Converter. This Interface Converter features the COM1 serial port. Furthermore, it also comes with the COM2 Serial Port. To provide robust, and reliable operation, this converter is compatible with Windows 2000, and Windows XP. Furthermore, it is also compatible with all the newer industrial operating systems in the market. The 1747-PIC is compatible with Windows 2000, Windows XP Professional, or any later Windows version using the RSLinx program. The built-in COM1 and COM2 serial connection ports are ideal for the 1747-PIC. For seamless operation, users should pair this converter with only the recommended serial connection port. It is incompatible with USB-to-serial adapters. Sadly, this interface converter does not support serial port extender boards. As a result, you cannot use a board to increase the capacity of the integrated COM ports. Its dimensions are 13 centimeters x 10 centimeters x 20 centimeters. The Allen-Bradley 1747-PIC weighs only 0.29 kilogram. Allen-1747-PIC Bradley's SLC 500 RS-232 to RS-485 Interface Converter connects RS-232 devices such as the SLC 5/03, SLC 5/04, SLC 5/05, MicroLogix 1000, 1200, and 1500 to a DH-485 network. It contains a 25-pin connector for interface pin-out. Furthermore, this interface converter comes with a 2-pin connector for transmitting data from the industrial PC to the converter. And lastly, this converter features a 20-pin connector for connecting an industrial PC to a converter. You will also find a 3-pin connector for receiving RDX data from the converter to any industrial PC. The UPC ID on this interface converter is 10662073521539.

1747-PSD

Product number 1746-PSD is a program storage device (PSD) belonging to the SLC 500 product series. This component is a hand-held device that allows users to program and store data for SLC 5/03, 5/04, and 5/05 devices, as well as the MicroLogix 1000, 1100, 1200, and 1500 devices. This module has one (1) RS-232 port that can communicate in DF1 full-duplex mode. The 1746-PSD has an EEPROM memory capacity of 64K words. This PSD can transfer data at 38400, 19200, 9600, 4800, 2400, and 1200 bits per second. This device requires an input power of 7 to 30 VDC at 250 milliamperes to properly operate.

1747-PT1

The Allen-Bradley 1747-PT1 hand-held terminal belongs to the SLC 500 controller series. Only the fixed SLC 5/01 and 5/02 processors are compatible with the 1747-PT1. This device offers programming, monitoring, setting, and troubleshooting features to SLC 500 devices. The 1747-PT1 features an 8-line display that can display a maximum of 40 characters, and it has a total of 30 keys. This device operates on 24 volts DC and draws 0.102 amperes of current. To connect the 1747-PT1 to the controller, use the 1747-C10 cable.

1747-SCNR

Catalog number 1747-SCNR is an Allen-Bradley SLC 500 scanner module. This module includes two (2) ControlNet ports for connecting to the ControlNet network. Non-redundant and redundant media are supported by this module. It has LED indicators labeled CHA, CHB, and OK. At 5 volts DC, the backplane current of the 1747-SCNR is 900 mA. The 1747-SCNR can function at temperatures ranging from 0 - 60 degrees Celsius (32 - 140 degrees Fahrenheit). The ideal storage temperature for this product should range from -40 - 85 degrees Celsius (-40 - 185 degrees Fahrenheit).

1747-SDN

The 1747-SDN is an SLC 500 DeviceNet scanner module from Allen-Bradley. DeviceNet adapter units attached to the DeviceNet Ethernet network communicate with this module. It is fully compatible with SLC 5/02 and later controllers. It's a single-slot module that can run in dedicated slave mode and send messages in the poll, strobe, change-of-state, cyclic Input/Output, and pass-through modes. The backplane current usage of this device is 500 mA at 5V DC. Two (2) dedicated LED status indicators are fitted on the front side-mount of the 1747-SDN, including an indicator to monitor and report the module's operation, as well as a network status indicator LED to indicate the DeviceNet communication link. It also contains an LCD, or liquid crisp crystal display, that displays the module address and any other errors. A 10-pin linear industrial plug is placed inside the DeviceNet port and the DeviceNet terminal unit is installed on the backside of the access door. This unit serves as a link between the DeviceNet device and the SLC processor.

1747-SN

Manufactured by Allen-Bradley, product number 1747-SN is a universal Remote I/O scanner module belonging to the SLC 500 line of products. The scanner module enables SLC processors to communicate with remotely located 1746 I/O chassis and other compatible devices using a Remote I/O (RIO) link. It allows for communication of up to 3,048 meters or 10,000 feet. It is compatible with SLC 5/02, 5/03, 5/04, and 5/05 processors and can be mounted into an SLC chassis. The 1747-SN has a rated backplane current consumption of 600 milliamperes at 5 volts DC.

1747-UIC

Catalog number 1747-UIC is a USB to DH-485 interface converter belonging to the SLC 500 series of products. The 1747-UIC features a DH-485 communication port that allows devices that communicate over the DH-485 protocol to connect with computers with a USB port. The rated USB speed of the 1747-UIC is 12 Megabytes per second (Mbps). Additionally, the USB power consumption rating is less than 100 milliamperes on low power. Furthermore, the 1747-UIC has a DH-485 baud rate of 19.2 kilobytes per second (Kbps). The physical dimensions of the 1747-UIC measure approximately 80.8 mm x 46.5 mm x 24.5 mm.

1747-DTAM

Product number 1747-DTAM is an SLC 500 data table access module. This module is typically used with SLC 500 processors for accessing data, monitoring and/or removing faults, changing modes, and transferring memory. The product was designed with a monochrome backlit display. This display can show up to two (2) lines of text with up to sixteen (16) characters per line. User input is made possible via a 19-key, sealed membrane keypad. The 1747-DTAM module requires an input power of 24 volts DC from the processor.

1747-DTAM-E

The 1747-DTAM-E is an Allen Bradley data table access module that was designed to be a part of the SLC 500 series of products. It has EEPROM and RAM memory. This module has a NEMA 12/13 rated enclosure and complies with UL and CSA requirements. The operational temperature range for the surrounding area is 32 to 131 degrees Fahrenheit. This unit may be used in two modes, which include modify and monitor.

1747-AENTR

The Allen-Bradley 1747-AENTR is an SLC 500 EtherNet/IP communication adapter. This adapter was designed to allow for transitioning of pre-existing SLC-controlled systems to Logix-based controllers. The adapter is equipped with two EtherNet interface ports using an RJ-45 connector. These ports have a communication rate of 10/100 Mbit/s half or full-duplex. The 1747-AENTR communication adapter may be mounted in slot 0 of a chassis, and it comes with status and diagnostic LED indicators.
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