GE Fanuc IC687RCM711B Redundancy Communications Modules
Manufacturer: GE Fanuc
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Part Number: IC687RCM711
Condition：New with Original Package
Product Type: Redundancy Communications Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC687RCM711B Series 90-70 Redundancy Communications Module
The GE Fanuc IC687RCM711B, also cataloged as the IC687RCM711 Redundancy Communications Module, operates as a dedicated hardware component for CPU data synchronization within Series 90-70 networks. Configured within hot standby controller systems, the board transfers execution memory buffers continuously between primary and redundant processors via dual 10/100 Mbps Ethernet ports.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC687RCM711B |
| Brand | GE Fanuc (GE) |
| Origin | USA |
| Weight | 0.32 kg |
| Dimensions | 168 mm x 150 mm x 55 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 6.0 W (1.2 A at 5 VDC) |
| Base Model | IC687RCM711 |
| Series | Series 90-70 |
| Product Type | Redundancy Communications Modules |
| Processor | 32-bit microprocessor, 200 MHz |
| Memory | 128 MB RAM, 64 MB Flash |
| Communication Protocols | Ethernet/IP (ODVA compliant), Class 1 & Class 3 |
| Network Interfaces | 2 RJ45 ports, 10/100 Mbps, Auto-MDIX |
| Data Transfer Rate | Up to 500 KB/s |
| Input Power | Internal 5 VDC bus |
| Operating Humidity | 5% to 95% non-condensing |
| Protection Rating | IP20 |
Deterministic Ethernet Networks & Backplane Synchronization
The module integrates a 32-bit 200 MHz processor that dedicatedly executes redundant memory mirror sequences across ODVA-compliant Ethernet/IP links. Utilizing Ethernet/IP Class 1 and Class 3 message channels, the module maintains strict backplane bus communication velocity while transferring state tables at rates up to 500 KB/s. Onboard firmware flash compatibility permits direct system integration without introducing transfer latency or disrupting deterministic loop execution during automatic or manual master-to-backup CPU switchovers.
Frequently Asked Questions
Q: How does the IC687RCM711B module draw electrical power within the Series 90-70 rack?
A: The module draws operational power directly from the internal 5 VDC backplane bus, consuming a maximum current rating of 1.2 A (≤ 300 mA baseline logic supply).
Q: What network protocols govern real-time state mirror operations between active and backup CPUs?
A: The unit utilizes ODVA-compliant EtherNet/IP deterministic networks, leveraging Class 1 implicit messaging for real-time control data transfer and Class 3 explicit messaging for diagnostics.
Q: Can an engineer force a manual transition between primary and backup CPUs on the module panel?
A: Yes, the front module interface incorporates a manual control transfer pushbutton to force a manual switchover sequence between the active and secondary redundant processors safely.
Field Installation Guidelines
- Power down the Series 90-70 rack chassis and isolate all incoming power feeds prior to inserting or extracting the module.
- Maintain proper electrostatic discharge (ESD) safety protocols by wearing a grounded wrist strap attached directly to the cabinet ground point.
- Slide the IC687RCM711B module into the designated rack slot, ensuring the edge connector seats completely into the backplane bus socket.
- Tighten top and bottom retaining screws to secure mechanical grounding between the card frame and the panel enclosure chassis.
- Connect Category 5e or Category 6 Ethernet cables to the dual RJ45 ports, routing communication lines in dedicated conduits away from high-voltage AC power wiring to limit electromagnetic interference.