This control module manages I/O data flow in GE industrial automation systems. You will find this board in turbine and generator control panels worldwide. It processes digital and analog signals for the main Mark VI controller.
Technical Specifications
The GE IS2020ISUCG1 carries the functional revision IS2020ISUCG1A on its front label. This module measures 210 mm in length and 145 mm in width. Its total thickness reaches 28 mm including the faceplate. The card weighs approximately 0.68 kg (1.5 lbs). Transition words like firstly and next help clarify its architecture. Firstly, the board hosts one 32-bit RISC processor for local logic. Next, two 64-pin expansion ports connect to external I/O cards. Finally, a front-panel LED array shows real-time status of all functions.
Hardware Parameters
The table below lists all critical technical details for this module.
| Parameter | Value |
|---|---|
| Full Model | GE IS2020ISUCG1 IS2020ISUCG1A |
| Category | Control Module |
| Dimensions | 210 mm x 145 mm x 28 mm |
| Weight | 0.68 kg (1.5 lbs) |
| Processor | 32-bit RISC at 80 MHz |
| Memory | 8 MB SDRAM, 2 MB Flash |
| Communication Ports | Two RS-485, one Ethernet 10/100 |
| Expansion Interfaces | Two 64-pin headers |
| Component Count | 203 discrete components |
| Energy Storage | 1500 µF capacitor bank |
| Power Supply | +5V DC and +24V DC from backplane |
| Power Consumption | 6W typical |
| LED Indicators | 8 status LEDs (power, run, fault, I/O) |
Functional Features
This GE IS2020ISUCG1A version includes updated firmware for faster scan times. The onboard 1500 µF capacitor bank provides 40 ms of hold-up time. Additionally, the Ethernet port supports Modbus TCP for remote monitoring. Moreover, you can daisy-chain up to four expansion cards per module. The processor handles loop execution within 10 ms for critical tasks.
Installation and Compatibility
You must install this card in a Mark VI VME rack with proper alignment. It replaces older revisions like IS2020ISUCG1 without changing configuration files. Always verify backplane power before inserting the module. The board does not require external cooling under normal loads.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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