Allen Bradley SLC 500 Programmable Controller System Selection Guide

Programming instruction count 51 72 107 107 107

Typical scanning time 8 ms/K 4.8 ms/K 1 ms/K 0.9 ms/K 0.9 ms/K

Execution time (XIC) 4 μ s 2.4 μ s 0.44 μ s 0.37 μ s 0.37 μ s

Clock/Calendar Accuracy None ± 54 seconds/month @ 25 ° C ± 54 seconds/month @ 25 ° C ± 54 seconds/month @ 25 ° C

Processor features:

SLC 5/01: Provides a basic instruction set, 1K or 4K memory, suitable for simple control applications.

SLC 5/02: Provides more complex instructions, enhanced communication, faster scan times, and extensive diagnostic capabilities.

SLC 5/03: Built in RS-232 channel, capable of connecting external smart devices without the need for additional modules.

SLC 5/04: Equipped with DH+port, providing high-speed communication between SLC 5/04 and direct connection with PLC-5 controller. There is also an SLC 5/04P option specifically designed for the plastic industry, which includes the ERC2 algorithm.

SLC 5/05: It has the same functionality as SLC 5/04, but uses standard Ethernet communication instead of DH+. The Ethernet communication speed is 10Mbps or 100Mbps, providing a high-performance network for program upload/download, online editing, and peer-to-peer communication.

Processor accessories:

Memory modules: 1747-M1 (1K EEPROM), 1747-M2 (4K EEPROM), 1747-M13 (64K Flash EPROM)

Adapter socket: 1747-M5 (for SLC 5/01/02), 1747-M15 (for SLC 5/03/04/05)

Program Storage Device (1747-PSD): Simplify program development, backup, and upgrade for SLC 5/03 and above processors

Lithium battery module (1747-BA): provides backup power for RAM, with a battery life of approximately 2-5 years

I/O module series

The SLC 500 system provides over 60 types of I/O modules, including digital, analog, and special function modules, to meet various control requirements.

1. Digital I/O module

The digital I/O module has 4, 8, 16, or 32 channels to choose from, providing multiple I/O voltages (including AC, DC, and TTL). The combination module also has 2 input/2 output, 4 input/4 output, and 6 input/6 output options.

Main features:

4. The terminals of the 8, 12, and 16 channel modules have self elevating pressure plates and can accept two 14 AWG (2 mm ²) wires

The LED indicator light at the front of the module displays the status of each I/O point

32 channel I/O module equipped with 40 pin MIL-C-83503 connector and detachable wiring connector (1746-N3)

The output modules include solid-state AC, solid-state DC, and relay contact types

The high current solid-state output modules (1746-OBP16, 1746-OVP16, 1746-OAP12) have a common terminal with a fuse indication

The 1746-OB16E, 1746-OB6EI, and 1746-OB32E modules provide electronic protection to prevent short circuits and overloads

Type of digital input module:

DC input module for current injection: 1746-IB8, IB16, IB32 (24V DC); 1746-IC16（48V DC）； 1746-IH16（125V DC）； 1746-ITB16 (24V DC fast response)

Source current DC input module: 1746-IV8, IV16, IV32 (24V DC); 1746-ITV16 (24V DC fast response); 1746-IG16（5V DC TTL）

AC input module: 1746-IA4, IA8, IA16 (100/120V AC); 1746-IM4、IM8、IM16（200/240V AC）； 1746-IN16（24V AC/DC）

Digital output module type:

Source current DC output module: 1746-OB6EI, OB8, OB16, OB16E, OB32, OB32E (24V DC, with electronic protection); 1746-OBP8, OBP16 (24V DC high current)

DC output module for current injection: 1746-OV8, OV16, OV32 (24V DC); 1746-OVP16 (24V DC high current); 1746-OG16（5V DC TTL）

AC output module: 1746-OA8, OA16 (120/240V AC); 1746-OAP12 (120/240V AC high current)

Relay output module: 1746-OW4, OW8, OW16 (AC/DC relay); 1746-OX8 (AC/DC relay)

Combination I/O modules: 1746-IO4, IO8, IO12 (120V AC input/relay output); 1746-IO12DC (24V DC input/relay output)

2. Analog I/O module

The analog I/O module has user selectable voltage or current input, backplane isolation, detachable terminal blocks, and diagnostic feedback functions.

4-channel analog I/O module:

1746-NI4: High resolution analog input module (± 20 mA or ± 10V DC)

1746-NIO4I/NIO4V: 2 Input/2 Output Combination Module (Current/Voltage Output)

1746-FIO4I/FIO4V: Fast Response 2 Input/2 Output Combination Module

1746-NO4I/NO4V: 4-channel analog output module (current/voltage)

8-channel analog I/O module:

1746-NI8: 8-channel high-resolution analog input module

1746-NO8I/NO8V: 8-channel analog output module (current/voltage)

16 channel analog input module:

1746-NI16I/NI16V: 16 channel high-resolution analog input module (current/voltage)

3. Temperature measurement module

Thermocouple/mV input module:

1746-NT4/NT8:4/8-channel thermocouple input module, supporting J, K, T, E, R, S, B, N type thermocouples

1746-INT4:4 channel thermocouple input module, additionally supporting C and D type thermocouples

All modules provide fully integrated cold end compensation, input filter frequency selection, and fault diagnosis functions

RTD input module:

1746-NR4/NR8: 4/8-channel RTD input module, supporting platinum, nickel, copper, nickel iron RTDs and variable resistance devices (such as potentiometers), providing temperature scaling of ° C or ° F or Ohmic resistance scaling

4. Counter module

1746-HSCE high-speed counter: single and bidirectional counting channels, supporting orthogonal, pulse/direction, or up/down counter inputs, with 4 onboard open collector electrode outputs