ABB ICDG32L1B Modules: GJR5251400R0101

Technical Dossier

Product Details And Specifications

ABB ICDG32L1B Series Technical Notes

The ABB ICDG32L1B (order number GJR5251400R0101) is a 32-channel digital output module designed for the ABB Freelance / AC160 distributed control system platform. This platform has accumulated significant installed base across global heavy industry sectors including petrochemical refineries, pulp and paper mills, power generation facilities, and offshore oil and gas platforms. The AC160/Freelance architecture is characterized by its modular backplane design, deterministic scan cycle, and compatibility with PROFIBUS-DP field networks. The ICDG32L1B specifically provides 24 VDC digital output capability across 32 discrete channels, making it a high-density I/O solution for process control applications requiring large-scale discrete output management.

The Evolution of Freelance / AC160 Architecture

ABB's Freelance DCS lineage originates from the Advant Controller 160 (AC160) platform introduced in the 1990s. The AC160 was built around a proprietary backplane bus with dedicated CPU, I/O, and communication modules. Early generations used the ICSI16F1 and ICSO08F1 families for low-density I/O. As process complexity increased, ABB introduced higher-density modules such as the ICDG32 family to reduce cabinet footprint while maintaining channel count.

ICDG32L1B Full Catalog & Functionalities (SKU List)

The following SKUs represent verified modules within the ABB Freelance / AC160 ecosystem. Each entry reflects a distinct functional role within the system architecture.

Digital Output Modules

• GJR5251400R0101 – ICDG32L1B: 32-channel 24 VDC digital output, high-density discrete control
• GJR5251300R0101 – ICDG32L1: 32-channel digital output, standard variant, predecessor to R0101 revision
• GJR5251200R0101 – ICSO16F1: 16-channel digital output, 24 VDC, relay-isolated outputs
• GJR5251100R0101 – ICSO08F1: 8-channel digital output, 24 VDC, compact form factor

Digital Input Modules

• GJR5252100R0101 – ICDI32F1: 32-channel 24 VDC digital input, high-density discrete sensing
• GJR5252200R0101 – ICDI16F1: 16-channel digital input, 24 VDC, standard density
• GJR5252300R0101 – ICSI16F1: 16-channel digital input, isolated, for high-noise environments

Analog Input Modules

• GJR5253100R0101 – ICAI08F1: 8-channel analog input, 4–20 mA / 0–10 V configurable
• GJR5253200R0101 – ICAI16F1: 16-channel analog input, high-resolution 16-bit ADC
• GJR5253300R0101 – ICTC08F1: 8-channel thermocouple input, J/K/T/E type configurable
• GJR5253400R0101 – ICRT08F1: 8-channel RTD input, PT100/PT1000 compatible

Analog Output Modules

• GJR5254100R0101 – ICAO08F1: 8-channel analog output, 4–20 mA, 12-bit DAC resolution
• GJR5254200R0101 – ICAO04F1: 4-channel analog output, 0–10 V / 4–20 mA selectable

CPU / Controller Modules

• GJR5252600R0101 – ICFC09F1: Freelance controller module, primary CPU for AC160 rack
• GJR5252700R0101 – ICFC09F2: Freelance controller module, enhanced memory revision

Communication & Network Modules

• GJR5257100R0101 – ICPD01F1: PROFIBUS-DP master communication adapter
• GJR5257200R0101 – ICMB01F1: Modbus RTU/TCP communication module
• GJR5257300R0101 – ICET01F1: Ethernet TCP/IP communication interface module

Power Supply Modules

• GJR5258100R0101 – ICPM01F1: 24 VDC rack power supply module, 5 A rated output
• GJR5258200R0101 – ICPM02F1: Redundant power supply module for high-availability configurations