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The GE IC693PCM300 Programmable Coprocessor Module (PCM) is a high-performance auxiliary processor module designed for the GE Series 90-30 PLC system. It is used to offload complex computing, communication handling, and advanced control tasks from the main PLC CPU.
This module effectively acts as a secondary industrial computer, enabling enhanced processing capability, multi-protocol communication, and execution of specialized control programs.
| Parameter | Specification |
|---|---|
| Manufacturer | GE (GE Fanuc / Emerson) |
| Model | IC693PCM300 |
| Product Type | Programmable Coprocessor Module |
| System Compatibility | GE Series 90-30 PLC |
| Function | Auxiliary processor / communication coprocessor |
| Memory Capacity | 160 KB total memory |
| User Program Memory | ~35 KB (MegaBasic) |
| Programming Languages | C, MegaBasic |
| Communication Ports | 2 serial ports (shared front connector) |
| Supported Protocols | Modbus RTU, GE CCM, ASCII communication |
| Operating Mode | Dual-task processing (logic + communication) |
| Battery Backup | Yes (RAM backup battery) |
| Backplane Power | Powered via PLC rack |
| Slot Requirement | 1 slot |
| Mounting Type | Rack-mounted |
| Material | Industrial-grade electronics module |
| Dimensions | 150 × 100 × 25 mm |
| Weight | 0.2 kg |
| Operating Temperature | 0°C to 60°C |
The IC693PCM300 operates as a co-processing unit that works alongside the main PLC CPU.
Its working principle includes:
This allows the PLC system to offload time-consuming communication or computation tasks, improving overall system performance.
The IC693PCM300 plays an advanced role in GE 90-30 PLC systems:
The GE IC693PCM300 is commonly used in:
Recommended installation practices include:
Proper configuration ensures stable dual-task operation.
The IC693PCM300 typically works with:
| Model | Type | Key Feature | Application |
|---|---|---|---|
| IC693PCM300 | Coprocessor Module | 160 KB memory, dual-port comms | General industrial coprocessing |
| IC693PCM301 | Coprocessor Module | Higher memory variant | Advanced processing tasks |
| IC693PCM311 | Coprocessor Module | Highest memory capacity | Complex automation systems |
| IC693CMM321 | Communication Module | Ethernet/serial communication | Network expansion |
| IC693CPU364 | CPU Module | Main PLC processor | Primary control system |
What is the main function of IC693PCM300?
It acts as a coprocessor to handle communication and advanced processing tasks.
Does it replace the PLC CPU?
No, it works alongside the CPU as a secondary processor.
What programming languages does it support?
MegaBasic and C language programming.
What kind of devices can it connect to?
Barcode readers, printers, RTU devices, and serial communication equipment.
The GE IC693PCM300 Programmable Coprocessor Module is a powerful extension component for GE Series 90-30 PLC systems. By providing additional processing power and advanced communication capabilities, it significantly enhances system flexibility and performance in complex industrial automation environments.