Product details
GE Fanuc IC693PCM311 Coprocessor Module – Dual-Port Serial Expansion for 90-30 PLCs
Boost your PLC’s capabilities with the IC693PCM311 coprocessor module. Adds 2 serial ports and 640K memory to Series 90-30 systems. Supports Modbus RTU and CCM protocols.
Technical Specifications
- Brand: GE Fanuc
- Model: IC693PCM311
- Type: Programmable Coprocessor Module (PCM)
- Memory: 640K battery-backed RAM + 190K MegaBasic
- Ports: 2 serial (configurable status LEDs)
- Protocols: Modbus RTU, GE Fanuc CCM
- Battery: Lithium (IC693ACC301 replacement, pack of 2)
- Compatibility: Series 90-30 PLCs (all slots except first)
- Warranty: 12 months
Installation Guide
- Power off the Series 90-30 PLC
- Insert module into any available slot (avoid first power supply slot)
- Secure module and reconnect power
- Configure ports via PLC programming software
FAQ
Q: Can I use both serial ports simultaneously?
A: Yes, both ports operate independently.
Q: How long does the backup battery last?
A: Typically 2-5 years (IC693ACC301 replacements available).
Q: Is this compatible with PACSystems?
A: No, only Series 90-30 PLCs.
Q: Can I program custom functions?
A: Yes, supports MegaBasic and C programming.
Q: What do the status LEDs indicate?
A: Module power (fixed) + two configurable port status indicators.















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