The GE Fanuc IC695CMM004, also cataloged as the IC695CMM004 Serial Communication Module, operates as a dedicated hardware component for serial protocol conversion and data interface processing within PACSystem RX3i platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC695CMM004 |
| Brand | GE Fanuc / Emerson |
| Origin | USA |
| Weight | 0.37 kg (0.81 lbs) |
| Dimensions | Standard RX3i single-slot module |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 0.7 A at 3.3 VDC, 0.15 A at 5 VDC |
| Serial Interface Ports | Four (4) serial channels using RJ45 connectors |
| Physical Interface Options | RS-232, RS-422, RS-485 |
| Configurable Baud Rates | 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, 115.2K baud |
| Data Formatting | Parity: Even, Odd, None; Data Bits: 7, 8; Stop Bits: 1, 2 |
| Supported Protocols | MODBUS Master/Slave, CCM Slave, DNP3 Master/Slave, Serial I/O |
| Backplane Rack Capacity | Up to six (6) modules per rack |
| Isolation Rating | Port-to-Backplane: 250 VAC continuous; Port-to-Port: 500 VDC continuous |
| Status Indicators | Module OK, Port Fault, Port Status LEDs |
Backplane Bus Communication Velocity & I/O Density Scaling
The IC695CMM004 utilizes high-speed RX3i backplane bus synchronization to process up to four active serial protocol streams simultaneously. High-density rack scaling allows up to six serial communication modules to operate within a single RX3i backplane rack without degrading CPU loop performance. Dedicated firmware flash compatibility enables dynamic configuration updates from the host CPU to set interface parameters, parity bits, and baud rates up to 115.2 kilobaud per channel. Galvanic port-to-port and port-to-backplane isolation barriers protect internal logic from ground loop noise.
Frequently Asked Questions
Q: What are the backplane current draw requirements for the IC695CMM004 module?
A: The module requires 0.7 A at 3.3 VDC and 0.15 A at 5 VDC supplied directly from the internal RX3i backplane rails.
Q: What level of electrical isolation is provided between the serial ports?
A: Channel ports feature a port-to-port galvanic isolation rating of 500 VDC continuous (710 VDC for 1 minute) and port-to-backplane/ground isolation of 250 VAC continuous.
Q: How many IC695CMM004 modules can be installed in a single PACSystem RX3i rack?
A: A maximum of six IC695CMM004 serial communication modules can be hosted simultaneously in a single PACSystem RX3i baseplate rack.
Field Installation Guidelines
- Turn off power to the PACSystem RX3i rack prior to installing or removing the IC695CMM004 module from the baseplate slot.
- Insert the module firmly into the rack slot until the upper and lower latching mechanisms click into position on the baseplate frame.
- Use high-quality shielded twisted-pair cables with RJ45 connectors for RS-422 and RS-485 connections, grounding cable shields at a single panel chassis point.
- Keep serial communications cabling isolated from high-voltage AC power wiring and variable frequency drive output cables to minimize electromagnetic interference.
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