Description
- The GE Fanuc IC687BEM713B is a high-performance Ethernet Communications Module designed for the Series 90-70 PLC system. It provides a direct interface between the PLC backplane and an Ethernet network, supporting high-speed data exchange via SRTP (Service Request Transfer Protocol) and Modbus TCP/IP for seamless integration with HMI, SCADA, and other controllers.
Product Parameters
- Part Number: IC687BEM713B
- Communication Rate: 10 Mbps (Half/Full Duplex)
- Protocols: SRTP (TCP/IP), Modbus TCP/IP, Ethernet Global Data (EGD)
- Network Interface: AUI or 10Base-T (via external transceiver)
- Backplane Current: 1.5 A @ 5 VDC (typical)
Product Specifications
- Module Type: Single-slot communications coprocessor
- Processor: Dedicated onboard CPU for protocol handling
- Mounting: Series 90-70 Rack (Standard or VME)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Configuration: Software-programmable via Proficy Machine Edition or Logicmaster 90

GE IC687BEM713B

GE IC687BEM713B

GE IC687BEM713B
Application Fields
- Distributed Control: Linking multiple Series 90-70 racks across a plant-wide Ethernet backbone.
- Data Acquisition: High-speed reporting of process variables to SCADA or MES systems.
- Remote Programming: Allowing engineers to upload, download, and monitor logic over the network.
- Manufacturing Execution: Interfacing PLC logic with enterprise-level SQL databases and ERP systems.
Product Q&A
Q: What is the main difference between the ‘A’ and ‘B’ versions of this module? A: The ‘B’ suffix denotes a later hardware revision that typically includes firmware enhancements and improved component reliability over the original ‘A’ version.
Q: Does this module require an external transceiver? A: Yes, the IC687BEM713B typically uses an AUI port, requiring a 10Base-T or 10Base-FL transceiver to connect to modern twisted-pair or fiber optic cabling.
Q: Can it be used in a Redundant CPU system? A: Yes, it is compatible with Series 90-70 Hot Standby CPU configurations to provide redundant communication paths to the host system.
