Description
Product Model: GE IC697PCM711LX
Product Brand: GE Fanuc (Emerson Automation)
Product Series: Series 90-70 PLC Coprocessor Modules
Product Features:
- Single-slot programmable coprocessor that offloads tasks from the main CPU processor
- Dual serial communications ports (RS-232/RS-422/RS-485) for flexible connectivity
- Battery-backed memory with optional expansion for program and data storage
- Real-time clock and dual-tasking support ideal for complex automation workloads
Technical Specifications Table
| Specification | Details |
|---|---|
| Model | GE IC697PCM711LX |
| Series | GE Fanuc Series 90-70 PLC Coprocessor |
| Microprocessor | Intel 80C186, 12 MHz |
| Tasking | Dual-task support |
| Memory | Base battery-backed CMOS, optional expansion up to ~512 KB |
| Serial Ports | 2 × RS-232/RS-422/RS-485 |
| Communication Speed | Up to 9.6 kbps simultaneous, up to 19.2 kbps per port |
| Real-Time Clock | Battery-supported |
| Indicators | Three status LEDs |
| Controls | Pushbutton reset |
| Installation | Single-slot Series 90-70 rack |
| Power | ~1.0 A @ 5 V backplane |
| Programming | Logicmaster 90-70, VersaPro, Proficy Machine Edition |
| Compatibility | GE Series 90-70 CPU and I/O modules |
| Operating Environment | Industrial grade |
- IC697PCM711LX
Product Role & System Fit
For industrial automation engineers, expanding the capability of a PLC beyond its base CPU is often necessary in demanding applications. The GE IC697PCM711LX serves as a programmable coprocessor module for the GE Fanuc Series 90-70 PLC platform. Installed in a single slot of a Series 90-70 rack, this module augments the main controller by handling communication protocols, offloading computational tasks, and enabling extended memory operations that would otherwise tax a CPU alone.
Coprocessor modules like GE IC697PCM711LX are especially useful in automation systems that require simultaneous communication with supervisory systems (SCADA), human-machine interfaces (HMIs), or remote I/O networks. Instead of burdening the central CPU with every data task, the coprocessor module runs auxiliary programs written in languages such as MegaBasic and communicates with the PLC CPU over the backplane. This architectural split enhances throughput and keeps real-time control loops responsive.
The Series 90-70 ecosystem is modular, enabling engineers to mix and match CPUs, I/O modules, specialty cards, and coprocessors like the GE IC697PCM711LX. Compatibility with GE’s programming tools — such as Logicmaster 90-70, VersaPro, or Proficy Machine Edition — means that configuration, logic development, and diagnostics integrate into standard factory workflows. Consequently, facilities running legacy GE PLC systems can enhance performance without redesigning entire control racks.





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