GE IC687RCM711B | Redundancy Communications Module for PLC
Manufacturer: GE Fanuc
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Part Number: IC687RCM711
Condition：New with Original Package
Product Type: Redundancy Communications Module for PLC
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Description / Overview
The GE Fanuc IC687RCM711B is a Redundancy Communications Module (RCM) specifically designed for Series 90-70 PLCs. It ensures real-time data synchronization between primary and backup CPUs, enabling seamless operation even if the active CPU fails.
Moreover, the module integrates into hot standby CPU configurations, providing continuous control system reliability without downtime. Its dual Ethernet ports and Ethernet/IP support ensure fast, deterministic communication with other system devices.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | IC687RCM711B |
| Manufacturer | GE Fanuc |
| Series | Series 90-70 |
| Product Type | Redundancy Communications Module |
| Function | Synchronizes data between active and backup CPUs |
| 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 Ethernet ports, 10/100 Mbps, Auto-MDIX |
| Data Transfer Rate | Up to 500 KB/s |
| Power Supply | Internal 5V DC bus, max current ≤ 300 mA |
| Current Rating | 1.2 A from 5V bus |
| Operating Temperature | 0°C to +60°C |
| Humidity Range | 5% to 95% non-condensing |
| Protection Class | IP20 (cabinet installation only) |
| Dimensions | 168 mm × 150 mm × 55 mm |
| Weight | 0.32 kg (0.7 lbs) |
FAQ
Q1: What is the main function of the IC687RCM711B?
A1: It synchronizes real-time data between primary and backup CPUs for continuous operation.
Q2: Which network protocols does it support?
A2: It supports Ethernet/IP protocols, including Class 1 for real-time control and Class 3 for non-real-time data.
Q3: How is the module powered?
A3: The module is powered via the internal 5V DC bus of the Series 90-70 PLC.
Q4: Can it be manually switched between CPUs?
A4: Yes, a manual control transfer pushbutton allows safe switching between active and backup CPUs.
Q5: What is the maximum data transfer rate?
A5: The module supports data transfer rates up to 500 KB/s.