Core Functionality and Application
The GE IC693PCM300 programmable coprocessor module serves as an intelligent co-processor for the Series 90-30 PLC system. This module offloads complex computational tasks from the main CPU to enhance overall system performance. It runs independent C or assembly programs for data acquisition, advanced mathematics, and custom algorithm execution . Furthermore, the coprocessor communicates with the CPU through shared memory for seamless data exchange.
Technical Specifications
The following table details the core technical parameters for the GE IC693PCM300:
| Parameter | Specification |
|---|---|
| Model Number | IC693PCM300 |
| Product Type | Programmable Coprocessor Module |
| Processor | Intel 80C188EB (16-bit) |
| Clock Speed | 12.5 MHz |
| User Memory | 240 KB battery-backed SRAM |
| Program Storage | 256 KB Flash memory |
| Battery Type | Lithium coin cell (replaceable) |
| Battery Life | 5 years typical |
| Communication Ports | 1x RS-232/RS-485 (programming), 1x RS-232 (user) |
| Dimensions (H × W × D) | 14.0 × 6.0 × 4.5 cm (5.51 × 2.36 × 1.77 in) |
| Weight | 0.14 kg (0.31 lbs) |
| Power Draw (5V) | 1.0 A maximum |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -40°C to 85°C |
Memory and Data Processing
The GE IC693PCM300 provides 240 KB of battery-backed SRAM for user programs and data storage . The lithium battery maintains memory contents for approximately five years under normal operating conditions . Programmers can store multiple application files in the 256 KB Flash memory for backup and version control . The module executes user-written C programs independently, which frees the CPU for core logic tasks.
Design and Integration Features
The GE IC693PCM300 occupies a single slot in the Series 90-30 rack. Two RS-232 serial ports provide versatile connectivity for programming and peripheral devices. The coprocessor module also functions as a Modbus master, enabling straightforward integration with third-party devices . LED indicators display operational status and communication activity clearly. Users can develop applications using the Proficy Machine Edition C Toolkit.
System Compatibility
The GE IC693PCM300 works with all Series 90-30 CPU models version 1.2 or later . It exchanges data with the CPU through 2 KB of shared memory . This coprocessor module supports custom protocol development for specialized device interfaces . Up to two PCM modules can exist in a single Series 90-30 system .
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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