The Allen-Bradley SLC 500 System is a modular, small chassis-based class of programmable controllers integrating discrete, analog, and specialty I/O and peripheral devices in stand-alone electronics cabinets.
The System has become the choice of manufacturing engineers worldwide because it is the industry standard for reliability and cost effectiveness. Consider these features that make the SLC 500 System the option you should consider:
Creating a SLC 500 System may seem to be a daunting task at first, but it is really a very straightforward proposition. The first step is to examine the manufacturing blueprints, and all related machine and electrical functions requiring an input /output. Plot the entire operation in a spreadsheet to determine the exact number of I/O points that will be required as well as the amount of memory needed to complete the operations. Once you have determined the number of I/O points, and all specialty applications, such as temperature controllers, you are ready to select the various elements of the SLC 500. Here are some ideas on selecting the appropriate hardware, and accompanying tables identifying the various components and their capabilities.
To create an SLC 500 System there are a few basic steps to take. The following checklist will guide you through the various steps required:
Well, there you have it: a basic tutorial to make you familiar with and help you to configure your SLC 500 system. Following these simple steps will assist you in creating a system that will handle all aspects of your requirements. Furthermore, the Allen-Bradley SLC 500 is one of the most reliable and cost-effective options available in the industrial marketplace, and has been for many years. Go ahead. Design your system using the SLC 500. You'll be glad you did!
Allen-Bradley offers both discrete (digital) and analog Input and Output modules of various capabilities. The digital Input/Output modules feature a discrete signal that is either on or off, such as the input of limit switches or the output signal to a relay. Conversely, analog Input/Output modules convert voltage or current to point-in-time values via the processor, such as the input received by a thermocouple or the output signal of a pressure regulator. Virtually all SLC 500 Systems will incorporate the use of both discrete and analog Input and Output modules.
The SLC 500 System delineates between the various discrete modules by sorting them into two categories: Sinking and Sourcing. As an engineer designing your own system it will help you to understand the difference between these two options. Here is the definition as given by Allen-Bradley:
"Sinking and Sourcing are terms used to describe a current signal flow relationship between field input and output devices in a control system and their power supply.
The following tables will help you to compare the Discrete Input/Output modules available in the Allen-Bradley SLC 500 System as well as the Analog Input/Output modules:
You will need to ascertain what your communication requirements are going to be, which will help you to select the proper communication modules for your system. Processors used in the SLC 500 PLC system communicate across the 1746 backplane, contained in the chassis, to the various Input/Output modules in the system. The different processors have a variety of communication ports on board for communication with other processors and computers. These varied communication ports will be part of the criteria you will use in selecting the right processors for your system. Every processor in the SLC 500 series has one or two built-in ports for direct communication with EtherNet/IP, DH+, DH-485, or RS-232 (DFI, ASCII, or DH-485 protocols).
Additionally, separate modules can be incorporated into the system's design to provide other communication ports within the system. Modules for ControlNet and Universal Remote Input/Output links are an option, as well as I/O adapter modules to interface I/O modules with scanner ports in remote locations. The Communication Modules available are denoted in the following table.
Selecting a processor is the next step in designing your system. After taking all the steps above, it is possible to determine your processor needs. You will choose the processor needed based on memory, number of Input/Output modules, speed, communications, and programming requirements of your system. Here are the basic features of the SLC 500 Processors by type of processor:
Available in four different sizes, the SLC 500 chassis offers maximum flexibility as you configure your system. The chassis come in 4-slot, 7-slot, 10-slot, and 13-slot options to allow you to design the perfect system for your application. The chassis accepts the SLC 500 processor module or the SLC 500 adapter module and the various Input/Output modules. Every chassis will need its own power supply, which installs on the left side of the chassis. You can connect a maximum of three chassis with the available chassis interconnect cables. The following table delineates the chassis and cable options available for the SLC 500 system.
Each chassis in the SLC 500 system requires its own power supply. You will need to analyze your system requirements thoroughly to ascertain the power supply requirements for each chassis. Overloading a power supply can result in system shutdown and/or premature failure of the power supply or other system components. This is not the place to underrate system needs. As you calculate your system's power needs, don't forget to include possible future enhancements to the system. When configuring your system, it is always safer to provide excess power than to be borderline on your system's requirements.
The SLC 500 system has three AC and four DC power supply options. Mounting on the left side of the chassis, the power supply requires just two screws. The AC options are 120/240 volt selectable. All the power supplies have an LED indicating it is working normally. Each power supply can withstand brief power losses, which enables the system to continue normal functioning. All SLC 500 power supplies operate at 0 to 60° C (32 to 140° f) and use #14 AWG wiring. The power supply options for the SLC 500 are specified in the following table.
The SLC 500 system uses RSLogix 500 ladder logic programming. This software package offers an industry leading user interface and is compatible with Rockwell Software's DOS-based programming packages and MicroLogix processors. RSLogix 500 correlates with Windows software, such as Windows 2000, Windows XP, and Windows Vista.
RSLogix 500 incorporates easy-to-use editing, such as drag-and-drop, Test Edits, and even online or offline editing. Context menus are quickly available with a right mouse button click. Input/Output configuration is easily carried out with both point-and-click and drag-and drop capabilities. Database editors, diagnostics and troubleshooting tools are also available at your fingertips. Online help is readily available, including step by step guidance for common programming functions. The RSLogix 500 programming packages described in the following table are compatible with Windows 2000, XP, and Vista. The English versions are provided on CD-ROM so that you always have the original copy available for present or future needs.
- Powerful - the SLC 500 System offers programmable controllers that are well equipped to handle a broad range of applications from small, one machine processes to high speed assembly operations, and all points in between.
- Modular – the System can be configured to your precise needs today, yet is totally expandable and adaptable to future changes. Power supplies, memory capabilities, the number and type of input and output points, and the various communication links required are all easily included in the System to satisfy virtually every situation.
- Advanced Instruction Capability – indirect addressing, high level math capabilities, and compute instructions are a feature of the System.
- Communication versatility – options include on-board Ethernet, DH+, DH-485, ControlNet, DeviceNet, and Remote Input/Output.
- Numerous I/O Options – modules are available to fulfill every conceivable need, from both discrete and analog I/O to temperature signals to a wide array of third-party specialty modules compatible with the System.
- Industrial Use Design – the SLC 500 System is engineered to withstand the extremes encountered in industrial environments, such as excessive vibration, temperature fluctuations, and even electrical noise and interference.
- Windows Software – RSLogix 500 programming software is an Allen-Bradley/Rockwell Automation exclusive product designed to maximize productivity by simplifying program development and/or troubleshooting. The RSLogix 500 ladder logic programming includes flexible editors, point-and-click I/O configuration, and a powerful database editor.
Creating a SLC 500 System may seem to be a daunting task at first, but it is really a very straightforward proposition. The first step is to examine the manufacturing blueprints, and all related machine and electrical functions requiring an input /output. Plot the entire operation in a spreadsheet to determine the exact number of I/O points that will be required as well as the amount of memory needed to complete the operations. Once you have determined the number of I/O points, and all specialty applications, such as temperature controllers, you are ready to select the various elements of the SLC 500. Here are some ideas on selecting the appropriate hardware, and accompanying tables identifying the various components and their capabilities.
To create an SLC 500 System there are a few basic steps to take. The following checklist will guide you through the various steps required:
- SLC 500 I/O Modules
- SLC 500 Communication Modules
- SLC 500 Processor
- SLC 500 Chassis
- SLC 500 Power Supply
- SLC 500 Software
Well, there you have it: a basic tutorial to make you familiar with and help you to configure your SLC 500 system. Following these simple steps will assist you in creating a system that will handle all aspects of your requirements. Furthermore, the Allen-Bradley SLC 500 is one of the most reliable and cost-effective options available in the industrial marketplace, and has been for many years. Go ahead. Design your system using the SLC 500. You'll be glad you did!
Allen Bradley SLC 500 I/O Modules
The SLC 500 System delineates between the various discrete modules by sorting them into two categories: Sinking and Sourcing. As an engineer designing your own system it will help you to understand the difference between these two options. Here is the definition as given by Allen-Bradley:
"Sinking and Sourcing are terms used to describe a current signal flow relationship between field input and output devices in a control system and their power supply.
- Field devices connected to the positive side (+V) of the field power supply are sourcing field devices.
- Field devices connected to the negative side (DC Common) of the field power supply are called sinking field devices.
- Sourcing I/O circuits supply (source) current to the sinking field devices.
- Sinking I/O circuits receive (sink) current from sourcing field devices.
The following tables will help you to compare the Discrete Input/Output modules available in the Allen-Bradley SLC 500 System as well as the Analog Input/Output modules:
Discrete Sinking DC Input Modules
| PART NUMBER | 1746-IB8 | 1746-IB16 | 1746-IB32 | 1746-IC16 | 1746-IH16 | 1746-ITB16 |
| # OF INPUTS | 8 | 16 | 32 | 16 | 16 | 16 |
| POINTS/COMMON | 8 | 16 | 8 | 16 | 16 | 16 |
| VOLTAGE | 24V DC | 24V DC | 24V DC | 48V DC | 125V DC | 24V DC |
| OPERATING VOLTAGE RANGE | 10-30V DC | 10-30V DC | 15-30VDC (50°C) 15-26.4VDC (60°C) | 30-60V DC (55°C) 30-55V DC (60°C) | 90-146V DC | 10-30V DC |
| CURRENT AT 5V | 50mA | 50mA | 50mA | 50mA | 50mA | 50mA |
| CURRENT AT 24V | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA |
| VOLTAGE, OFF-STATE INPUT, MAX. | 5.0V DC | 5.0V DC | 5.0V DC | 10.0V DC | 20.0V DC | 5.0V DC |
| NOMINAL INPUT CURRENT | 8 mA @ 24V DC | 8 mA @ 24V DC | 5.1 mA @ 24V DC | 4.1 mA @ 48V DC | 2.15 mA @ 125VDC 2.15 mA @ 132V DC | 8 mA @ 24V DC |
| CURRENT, OFF-STATE INPUT, MAX. | 1 mA | 1 mA | 1.5 mA | 1.5 mA | 0.8 mA | 1.5 mA |
| SUGNAL ON DELAY, MAX. | 8 ms | 8 ms | 3 ms | 4 ms | 9 ms | 0.30 ms |
| SIGNAL OFF DELAY, MAX. | 8 ms | 8 ms | 3 ms | 4 ms | 9 ms | 0.50 ms |
Discrete Sourcing DC Input Modules
| PART NUMBER | 1746-IG16 | 1746-IV8 | 1746-IV16 | 1746-IV32 | 1746-ITV16 |
| # OF INPUTS | 16 | 8 | 16 | 32 | 16 |
| POINTS/COMMON | 16 | 8 | 16 | 8 | 16 |
| VOLTAGE | 5V DC | 24V DC | 24V DC | 24V DC | 24V DC |
| OPERATING VOLTAGE RANGE | 4.5-5.5 V DC | 10-30V DC | 10-30V DC | 15-30V DC (50°C) 15-26.4V DC (60°C) | 10-30V DC |
| CURRENT AT 5V | 140 mA | 50 mA | 85 mA | 50 mA | 85 mA |
| CURRENT AT 24V | 0 mA | 0mA | 0 mA | 0 mA | 0 mA |
| VOLTAGE, OFF-STATE INPUT, MAX. | 2-5.5V DC | 5.0V DC | 5.0V DC | 5.0V DC | 5.0V DC |
| NOMINAL INPUT CURRENT | 3.7 mA @ 5V DC | 8 mA @ 24V DC | 8 mA @ 24V DC | 5.1 mA @ 24V DC | 8 mA @ 24V DC |
| CURRENT, OFF-STATE INPUT, MAX. | 4.1 mA | 1 mA | 1 mA | 1.5 mA | 1.5 mA |
| SIGNAL ON DELAY, MAX. | 0.25 ms | 8 ms | 8 ms | 3 ms | 0.30 ms |
| SIGNAL OFF DELAY, MAX. | 0.50 ms | 8 ms | 8 ms | 3 ms | 0.50 ms |
Discrete Sinking DC Output Modules
| PART NUMBER | 1746-OG16 | 1746-OV8 | 1746-OV16 | 1746-OV32 | 1746-OVP16 |
| # OF OUTPUTS | 16 | 8 | 16 | 32 | 16 |
| POINTS/COMMON | 16 | 8 | 16 | 16 | 16 |
| VOLTAGE | 5V DC | 24V DC | 24V DC | 24V DC | 24V DC |
| OPERATING VOLTAGE RANGE | 4.5-5.5V DC | 10-50V DC | 10-50V DC | 5-50V DC | 20.4-26.4V DC |
| CURRENT @ 5V | 180 mA | 135 mA | 270 mA | 190 mA | 250 mA |
| CURRENT @ 24V | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA |
| VOLTAGE DROP, ON-STATE OUTPUT, MAX. | – | 1.2 V @ 1.0 A | 1.2 V @ 0.5 A | 1.2V @0.5 A | 1.0 V @ 1.0 A |
| LOAD CURRENT, MIN. | 0.15 mA | 1 mA | 1 mA | 1 mA | 1 mA |
| LEAKAGE CURRENT, OFF-STATE OUTPUT, MAX. | 0.1 mA | 1 mA | 1 mA | 1 mA | 1 mA |
| SIGNAL ON DELAY, MAX. (RESISTIVE LOAD) | 0.25 ms | 0.1 ms | 0.1 ms | 0.1 ms | 0.1 ms |
| SIGNAL OFF DELAY, MAX. (RESISTIVE LOAD) | 0.50 ms | 1.0 ms | 1.0 ms | 1.0 ms | 1.0 ms |
| CONTINUOUS CURRENT PER MODULE | N/A | 8.0 A (30°C) 4.0 A (60°C) | 8.0 A (30°C) 4.0 A (60°C) | 8.0 A (0-60°C) | 6.4 A (0-60°C) |
| CONTIUOUS CURRENT PER POINT | 24 mA | 1.0 A (30°C) 0.5 A (60°C) | 0.50 A (30°C) 0.25 A (60°C) | 0.50 A (30°C) 0.25 A (60°C) | 1.5 A (30°C) 1.0 A (60°C) |
| SURGE CURRENT PER POINT FOR 10 ms | N/A | 3.0 A | 3.0 A | 1.0 A (30°C) 1.0 A (60°C) | 4.0 A+ |
Discrete Sourcing DC Output Modules
| PART NUMBER | 1746-OB6EI | 1746-OB8 | 1746-OB16 | 1746-OB16E | 1746-OB32 | 1746-OB32E | 1746-OBP8 | 1746-OBP16 |
| # OF OUTPUTS | 6 EP | 8 | 16 | 16 EP | 32 | 32 EP | 8 | 16 |
| POINTS/ COMMON | IND. ISOLATED | 8 | 16 | 16 | 16 | 16 | 4 | 16 |
| VOLTAGE | 24V DC | 24V DC | 24V DC | 24V DC | 24V DC | 24V DC | 24V DC | 24V DC |
| OPERATING VOLTAGE RANGE | 10-30 V DC | 10-50V DC | 10-50V DC | 10-30V DC | 5-50V DC | 10-30V DC | 20.4-26.4V DC | 20.4-26.4V DC |
| CURRENT @ 5V | 46mA | 135 mA | 280 mA | 135 mA | 190 mA | 190 mA | 135 mA | 250 mA |
| CURRENT @ 24V | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA |
| VOLTAGE DROP. ON-STATE OUTPUT, MAX. | 1.0V @ 2.0 A | 1.2V @ 1.0 A | 1.2V @ 0.5A | 1.0V @ 0.5 A | 1.2V @ 0.5 A | 1.2V @ 0.5 A | 1.0V @ 2.0 A | 1.0V @ 1.0 A |
| LOAD CURRENT, MIN. | 1 mA | 1 mA | 1 mA | 1 mA | 1 mA | 1 mA | 1 mA | 1 mA |
| LEAKAGE CURRENT, OFF-STATE OUTPUT. MAX. | 1 mA § | 1 mA § | 1 mA § | 1 mA § | 1 mA | 1 mA | 1 mA § | 1 mA § |
| SIGNAL ON DELAY, MAX. (RESISTIVE LOAD) | 1.0 ms | 0.1 ms | 0.1 ms | 1.0 ms | 0.1 ms | 1.0 ms | 1.0 ms | 0.1 ms |
| SIGNAL OFF DELAY, MAX. (RESISTIVE LOAD) | 2.0 ms | 1.0 ms | 1.0 ms | 1.0 ms | 1.0 ms | 2.0 ms | 2.0 ms | 1.0 ms |
| CONTINUOUS CURRENT PER MODULES | 12.0 A (0-60°C) | 8.0 A (30°C) 4.0 A (60°C) | 8.0 A (30°C) 4.0 A (60°C) | 8.0 A (0-60°C) | 8.0 A (0-60°C) | 8.0 A (0-60°C) | 8.0 A (0-60°C) | 6.4 A (0-60°C) |
| CONTINUOUS CURRENT PER POINT | 2.0 A (0-60°C) | 1.0 A (30°C) 0.50 A (60°C) | 0.50 A (30°C) 0.25 A (60°) | 1.0 A (30°) 0.50 A (60°C) | 0.50 A (30°C) 0.25 A (60°C) | 0.50 A (30°C) 0.25 A (60°C) | 2.0 A (0-60°C) | 1.5 A (30°C) 1.0 A (60°C) |
| SURGE CURRENT PER POINT FOR 10 ms | 4.0 A | 3.0 A | 3.0 A | 2.0 A | 1.0 A (30°C) 1.0 A (60°C) | 1.0 A (30°C) 1.0 A (60°C) | 4.0 A | 4.0 A |
Discrete AC Input Modules
| PART NUMBER | 1746-IA4 | 1746-1A8 | 1746-IA16 | 1746-IM4 | 1746-IM8 | 1746-IM16 | 1746-IN16 |
| # OF OUTPUTS | 4 | 8 | 16 | 4 | 8 | 16 | 16 |
| POINTS/ COMMON | 4 | 8 | 16 | 4 | 8 | 16 | 16 |
| VOLTAGE | 100/120 VAC | 100/120 VAC | 100/120VAC | 200/240VAC | 200/240VAC | 200/240VAC | 24V AC/DC |
| OPERATING VOLTAGE RANGE | 85-132V @ 47-63 HZ | 85-132V @ 47-63 HZ | 85-132V @ 47-63 HZ | 170-265 V @ 47-63 HZ | 170-265 V @ 47-63 HZ | 170-265 V @ 47-63 HZ | 10-30VAC 10-30VDC |
| CURRENT @ 5V | 35 mA | 50 mA | 85 mA | 35 mA | 50 mA | 85 mA | 85 mA |
| CURRENT @ 24V | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA | 0 mA |
| VOLTAGE, OFF-STATE INPUT, MAX. | 30 VAC | 30 VAC | 30 VAC | 50 VAC | 50 VAC | 50 VAC | 3.0 VDC 3.0 VAC |
| NOMINAL INPUT CURRENT | 12 mA @ 120 VAC | 12 mA @ 120 VAC | 12 mA @ 120 VAC | 12 mA @ 240 VAC | 12 mA @ 240 VAC | 12 mA @ 240 VAC | 8 mA @ 24 VDC 8 mA @ 24 VAC |
| CURRENT, OFF-STATE INPUT, MAX. | 2 mA | 2 mA | 2 mA | 2 mA | 2 mA | 2 mA | 1 mA (DC) 1 mA (AC) |
| INRUSH CURRENT, MAX. | 0.8 A | 0.8 A | 0.8 A | 1.6 A | 1.6 A | 1.6 A | 0.02 A (AC ONLY) |
| INRUSH CURRENT TIME DURATION MAX. | 0.5 ms | 0.5 ms | 0.5 ms | 0.5 ms | 0.5 ms | O.5 ms | -- |
| SIGNAL ON DELAY, MAX. | 35 ms | 35 ms | 35 ms | 35 ms | 35 ms | 35 ms | 15 ms (DC) 25 ms (AC) |
| SIGNAL OFF DELAY, MAX. | 45 ms | 45 ms | 45 ms | 45 ms | 45 ms | 45 ms | 15 ms (DC) 25 ms (AC) |
Discrete AC Output Modules
| PART NUMBER | 1746-OA8 | 1746-OA16 | 1746-OAP12 |
| # OF OUTPUTS | 8 | 16 | 12 |
| POINTS/COMMON | 4 | 8 | 6 |
| VOLTAGE | 120/240 VAC | 120/240 VAC | 120/240 VAC |
| OPERATING VOLTAGE RANGE | 85-265 VAC @ 47-63Hz | 85-265 VAC @ 47-63Hz | 85-265 VAC @ 47-63Hz |
| CURRENT @ 5V | 185 mA | 370 mA | 370 mA |
| CURRENT @ 24V | 0 mA | 0 mA | 0 mA |
| VOLTAGE DROP, ON-STATE OUTPUT, MAX. | 1.50 V @ 1.0 A | 1.50 V @ 0.50 A | 1.2 V @ 2.0 A |
| LOAD CURRENT, MIN. | 10 mA | 10 mA | 10 mA |
| LEAKAGE CURRENT, OFF-STATE OUTPUT, MAX. | 2 mA | 2 mA | 2 mA |
| SURGE CURRENT PER POINT | 10.0 A for 25 ms | 10.0 A for 25 ms | 17.0 A for 25 ms |
| SIGNAL ON DELAY, MAX. (RESISTIVE LOAD) | 1 ms | 1 ms | 1 ms |
| SIGNAL OFF DELAY, MAX. (RESISTIVE LOAD) | 11 ms | 11 ms | 11 ms |
| CONTINUOUS CURRENT PER POINT | 1.0 A @ 30° C 0.50 A @ 60° C | 0.50 A @ 30° C 0.25 A @ 60° C | 2.0 A @ 30 ° C 1.25 A @ 55° C 1.0 A @ 60° C |
| CONTINUOUS CURRENT PER MODULE | 8.0 A @ 30° C 4.0 A @ 60° C | 8.0 A @ 30° C 4.0 A @ 60° C | 9.0 A @ 30° C 6.0 A @ 60° C |
Analog Input/Output Modules
| PART NUMBER | FUNCTION | CURRENT/ VOLTAGE | I/O CHANNELS | DESCRIPTION |
| 1746-NI4 | INPUT | -20 TO + 20 mA -10 TO + 10 VDC | 4 | HIGH RESOLUTION INPUT CURRENT/VOLTAGE |
| 1746-NI8 | INPUT | -20 TO + 20 mA -10 TO + 10 VDC | 8 | HIGH RESOLUTION INPUT CURRENT/VOLTAGE |
| 1746-NI16I | INPUT | -20 TO +20 mA | 16 | HIGH RESOLUTION INPUT CURRENT |
| 1746-NI16V | INPUT | -10 TO +10 VDC | 16 | HIGH RESOLUTION INPUT VOLTAGE |
| 1746-NIO4I | INPUT/OUTPUT | -20 TO + 20 mA or -10 TO + 10 VDC INPUT; 0 TO 20 mA OUTPUT | 2 INPUT; 2 OUTPUT | HIGH RESOLUTION INPUT CURRENT/VOLTAGE; CURRENT OUTPUT |
| 1746-NIO4V | INPUT/OUTPUT | -20 TO + 20 mA or -10 TO + 10 VDC INPUT; -10 TO +10 VDC OUTPUT | 2 INPUT; 2 OUTPUT | HIGH RESOLUTION INPUT CURRENT/VOLTAGE; VOLTAGE OUTPUT |
| 1746-FIO4I | INPUT/OUTPUT | 0 TO 20 mA or 0 TO 10 VDC INPUT; 0 TO 20 mA OUTPUT | 2 INPUT; 2 OUTPUT | FAST ANALOG INPUT; ANALOG CURRENT OUTPUT |
| 1746-FIO4V | INPUT/OUTPUT | 0 TO 20 mA or 0 TO 10 VDC INPUT; -10 TO +10 VDC OUTPUT | 2 INPUT; 2 OUTPUT | FAST ANALOG INPUT; ANALOG VOLTAGE OUTPUT |
| 1746-NO4I | OUTPUT | 0 TO 20 mA | 4 | CURRENT OUTPUT |
| 1746-NO4V | OUTPUT | -10 TO +10 VDC | 4 | VOLTAGE OUTPUT |
| 1746-NO8I | OUTPUT | 0 TO 20 mA | 8 | CURRENT OUTPUT |
| 1746-NO8V | OUTPUT | -10 TO +10 VDC | 8 | VOLTAGE OUTPUT |
| 1746-NT4 | INPUT | 60 mA / 5V 40 mA /24V | 4 + CJC SENSOR | THERMOCOUPLE INPUT TYPES J, K, T, E, R, S, B, N |
| 1746-NT8 | INPUT | 120 mA/5 V 70 mA/24 V | 8 + CJC SENSOR | THERMOCOUPLE INPUT TYPES J, K, T, E, R, S, B, N |
| 1746-INT4 | INPUT | 110 mA/5 V 85 mA/24 V | 4 + CJC SENSOR | THERMOCOUPLE INPUT TYPES J, K, T, E, R, S, B, N, C, D |
| 1746-NR4 | INPUT | 50 mA/5 V 50 mA/24 V | 4 | RTD/RESISTANCE INPUT |
| 1746-NR8 | INPUT | 100 mA/5 V 55 mA/24 V | 8 | RTD/RESISTANCEINPUT |
| 1746-HSCE | INPUT | DIFF: 0 TO 5 VDC; SE: ±5 VDC TO 30 VDC | 1 SET ±A, ±B, ±Z DIFF; 5 VDC, 12 VDC, 24 VDC SE | HIGH SPEED COUNTER WITH DIFFERENTIAL (DIFF) OR SINGLE-ENDED (SE) INPUTS |
| 1746-HSCE2 | INPUT | 5 VDC TO 30 VDC | 2 SETS ±A, ±B,±Z; 2 ENCODERS; 4 PULSE DIFF OR SE | HIGH SPEED COUNTER WITH DIFF, SE, OR ENCODER INPUTS |
| 1746-BLM | INPUT/OUTPUT | 110mA/5 V | 4 DIS/4 ANA INPUT; 4 DIS/4 ANA & 1 EXCITATION OUTPUT | BLOW MOLDING I/O WITH DISCRETE & ANALOG INPUTS/OUTPUTS |
| 1746-BTM | INPUT | -50 TO +50 mV; -100 TO + 100 mV | 4 | BARREL TEMPERATURE MODULE |
| 1746-HSTP1 | INPUT/OUTPUT | 200 mA/5 V | 5 VDC DIFF/12-24 VDC SE INPUT; DIGITAL OUTPUT | STEPPER CONTROL MODULE |
| 1746-HSRV | INPUT/OUTPUT | 300 mA/5 V | 3 INPUT 1 OUTPUT | SERVO CONTROL MODULE |
| 1746-QV | INPUT/OUTPUT | 250 mA/5 V | 1 INPUT 1 OUTPUT | OPEN-LOOP VELOCITY MODULE/HYDRAULICS |
| 1746-QS | INPUT/OUTPUT | 1000 mA/5 V 200 mA/24 V | 4 INPUT 4 OUTPUT | CLOSED LOOP SERVO POSITIONING FOR SYNCHRONIZED AXES |
Allen Bradley SLC 500 Communication Modules
Additionally, separate modules can be incorporated into the system's design to provide other communication ports within the system. Modules for ControlNet and Universal Remote Input/Output links are an option, as well as I/O adapter modules to interface I/O modules with scanner ports in remote locations. The Communication Modules available are denoted in the following table.
SLC 500 Communication Modules
| PART NUMBER | DESCRIPTION |
| 1761-NET-ENI | ETHERNET INTERFACE, 24 VDC, 10/100 Mbps, SERIES C DEVICE |
| 1761-NET-ENIW | WEB-ENABLED ETHERNET INTERFACE, 24 VDC, 10/100 Mbps, SERIES C DEVICE |
| 1747-KFC15 | CONTROLNET MESSAGING MODULE, 4-DIGIT, 7-SEGMENT DISPLAY; RS-232 TO SLC |
| 1747-SCNR | CONTROLNET SCANNER, CONTROLS BOTH DISCRETE & ANALOG I/O |
| 1747-ACN15 | CONTROLNET ADAPTER, 0.9 A @ 5 VDC, SINGLE & GROUP MODULE CONNECTION |
| 1747-ACNR15 | CONTROLNET ADAPTER, 0.9 A @ 5 VDC, SINGLE & GROUP MODULE CONNECTION MEDIA REDUNDANCY VIA DUAL BNC CONNECTORS |
| 1747-SDN | DEVICENET SCANNER MODULE, 500 mA/5 VDC, 90 mA/24 VDC, 125/250/500 Kbps |
| 1761-NET-DNI | DEVICENET INTERFACE, 200 mA/24 VDC, 125/250/500 Kbps, ONLINE MONITORING |
| 1747-KE | DH-485/RS-232C INTERFACE MODULE, DF1 PROTOCOL, 150 mA/5 VDC, 40 mA/24 VDC |
| 1761-NET-AIC | ADVANCED INTERFACE CONVERTER, ISOLATED (2) RS-232 TO RS-485 CONVERTER, 120 mA/ 24 VDC, INRUSH MAX 200 mA/ 24 VDC, 500 VDC ISOLATION |
| 1747-AIC | ISOLATED LINK COUPLER, CONNECTS PROCESSOR TO DH-485 NETWORK |
| 1747-UIC | USB TO DH-485 CONVERTER, ˂100 mA USB, USB 1.1/ 12 Mbps, DH-485 BAUD/19.2 Kbps |
| 1747-SN | REMOTE I/O SCANNER, WIDE AREA DISTRIBUTION (10,000 FT), CONNECTS 16/32 DEVICES, 600 mA |
| 1747-BSN | BACKUP REMOTE I/O SCANNER, SUPPORTS REDUNDANCY & REPAIR OF SYSTEM FAULTS, 800 mA |
| 1747-ASB | REMOTE I/O SCANNER, COMMUNICATION LINK WITH I/O MODULES, 375 mA |
| 1747-DCM | DIRECT COMMUNICATION MODULE, PLACED IN CHASSIS WITH PROCESSOR, 360 mA |
Allen Bradley SLC 500 Processor
- SLC 5/01 - A basic set of 52 instructions with 1 K or 4 K options. This processor supports up to three chassis for a maximum of 30 slots and from 4 to 3940 Input/Output points.
- SLC 5/02 - For more complex applications, communications, faster scan times, and extensive diagnostics. Maximum 3 chassis (30 slots) and 4 to 4096 Input/Output points.
- SLC 5/03 - Available with 8 K, 16 K, and 32 K memory. Built-in RS-232 allows connection to external devices without added modules. Maximum 3 chassis (30 slots) and 4 to 4096 Input/Output points.
- SLC 5/04 - Incorporates a DH+ port for high-speed communications between processors and controllers. Available memory options of 16 K, 32 K, and 64 K. Maximum 3 chassis (30 slots) and 4 to 4096 I/O points. SLC 5/04P contains ERC2 algorithms especially for Plastics Machinery Control.
- SLC 5/05 - Same functions as SLC 5/04 but with Ethernet rather than DH+ communications. Ethernet communicates at 10 Mbps or 100 Mbps for high performance upload/download, online editing, and peer-to-peer communications. Maximum 3 chassis (30 slots) and 4 to 4096 I/O points.
SLC 500 Processors
| TYPE | SLC 5/01 | SLC 5/01 | SLC 5/02 | SLC 5/03 | SLC 5/03 | SLC 5/03 | SLC 5/04 | SLC 5/04 | SLC 5/04 | SLC 5/05 | SLC 5/05 | SLC 5/05 |
| PART # (1747-) | L511 | L514 | L524 | L531 | L532 | L533 | L541 | L542 | L543 | L551 | L552 | L553 |
| MEMORY | 1 K | 4 K | 4 K | 8 K | 16 K | 32 K | 16 K | 32 K | 64 K | 16 K | 32 K | 64 K |
| CURRENT/5 VDC | 90 mA | 90 mA | 90 mA | 500 mA | 500 mA | 500 mA | 1000 mA | 1000 mA | 1000 mA | 1000 mA | 1000 mA | 1000 mA |
| CURRENT/ 24 VDC | 0 mA | 0 mA | 0 mA | 175 mA | 175 mA | 175 mA | 200 mA | 200 mA | 200 mA | 200 mA | 200 mA | 200 mA |
| DISCRETE I/O MAX. | 7880 | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 |
| CHASSIS/ SLOTS | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 | 3/ 30 |
| COMM. ON-BOARD | DH-485 SLAVE | DH-485 SLAVE | DH-485 | DH-485 & RS-232 | DH-485 & RS-232 | DH-485 & RS-232 | DH+ & RS-232 | DH+ & RS-232 | DH+ & RS-232 | ETHERNET & RS-232 | ||
| MEMORY MODULE | EEPROM | EEPROM | EEPROM | FLASH EEPROM | ||||||||
| PROG. LANG. | RS LOGIX 500 | |||||||||||
| PROG. INST. | 52 | 52 | 71 | 107 | 107 | 107 | 107 | 107 | 107 | 107 | 107 | 107 |
| SCAN TIME | 8 ms/K | 8 ms/K | 4.8 ms/K | 1 ms/K | 1 ms/K | 1 ms/K | 0.9 ms/K | 0.9 ms/K | 0.9 ms/K | 0.9 ms/K | 0.9 ms/K | 0.9 ms/K |
Allen Bradley SLC 500 Chassis
SLC 500 Chassis and Cable Options
| PART NUMBER | DESCRIPTION |
| 1746-A4 | 4 SLOT CHASSIS |
| 1746-A7 | 7 SLOT CHASSIS |
| 1746-A10 | 10 SLOT CHASSIS |
| 1746-A13 | 13 SLOT CHASSIS |
| 1746-C7 | CHASSIS INTERCONNECT CABLE – USED TO LINK CHASSIS UP TP 6” APART |
| 1746-C9 | CHASSIS INTERCONNECT CABLE – USED TO LINK CHASSIS 6” TO 36” APART |
| 1746-C16/td> | CHASSIS INTERCONNECT CABLE – USED TO LINK CHASSIS 36” TO 50” APART |
| 1746-N2 | CARD SLOT FILLER – USED TO PROTECT UNUSED SLOTS IN A CHASSIS |
Allen Bradley SLC 500 Power Supply
The SLC 500 system has three AC and four DC power supply options. Mounting on the left side of the chassis, the power supply requires just two screws. The AC options are 120/240 volt selectable. All the power supplies have an LED indicating it is working normally. Each power supply can withstand brief power losses, which enables the system to continue normal functioning. All SLC 500 power supplies operate at 0 to 60° C (32 to 140° f) and use #14 AWG wiring. The power supply options for the SLC 500 are specified in the following table.
SLC 500 Power Supplies
| PART NUMBER | LINE VOLTAGE | CURRENT @ 5 VDC | CURRENT @ 24 VDC | USER CURRENT | INRUSH CURRENT |
| 1746-P1 | 85-265 VAC 47-63 Hz | 2 A | 0.46 A | 0.2 A @ 24 VDC | 20 A |
| 1746-P2 | 85-265 VAC 47-63 Hz | 5 A | 0.96 A | 0.2 A @ 24 VDC | 20 A |
| 1746-P3 | 19.2-28.8 VDC | 3.6 A | 0.87 A | – | 20 A |
| 1746-P4 | 85-250 VAC 47-63 Hz | 10 A | 2.88 A | 1 A @ 24 VDC | 45 A |
| 1746-P5 | 90-146 VDC | 5 A | 0.96 A | 0.2 A @ 24 VDC | 20 A |
| 1746-P6 | 30-60 VDC | 5 A | 0.96 A | 0.2 A @ 24 VDC | 20 A |
| 1746-P7 | 10-30 VDC ISOLATED | 12 VDC IN: 2 A 24 VDC IN: 3.6 A | 12 VDC IN: 0.46 A 24 VDC IN: 0.87 A | – | 20 A |
Allen Bradley SLC 500 Software
RSLogix 500 incorporates easy-to-use editing, such as drag-and-drop, Test Edits, and even online or offline editing. Context menus are quickly available with a right mouse button click. Input/Output configuration is easily carried out with both point-and-click and drag-and drop capabilities. Database editors, diagnostics and troubleshooting tools are also available at your fingertips. Online help is readily available, including step by step guidance for common programming functions. The RSLogix 500 programming packages described in the following table are compatible with Windows 2000, XP, and Vista. The English versions are provided on CD-ROM so that you always have the original copy available for present or future needs.
RSLogix 500 Programming Packages
| PART NUMBER | DESCRIPTION |
| 9324-RL0300ENE | RSLOGIX 500 PROGRAMMING FOR SLC 500 & MICROLOGIX |
| 9324-RL0100ENE | RSLOGIX 500 STARTER PROGRAMMING PACKAGE |
| 9324-RL0700NXENE | RSLOGIX 500 PROFESSIONAL PROGRAMMING PACKAGE |
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