GE Fanuc IC697BEM711N Bus Expansion Module

Overview

The IC697BEM711 is a Bus Expansion Module (BEM) for the Series 90-70 Programmable Logic Controller (PLC), now under Emerson Automation. It expands the PLC system by enabling the connection of up to seven additional expansion racks. With two communication interfaces, the module supports high-speed data transfer and fault isolation, ensuring efficient system expansion and easy maintenance.

Technical Specifications

• Product Type: Bus Receiver Module (BEM)
• Model: IC697BEM711
• Brand: GE Fanuc (now Emerson Automation)
• Series: Series 90-70
• Slot Width: Single slot
• Slot Location: Slot 1 of the CPU baseplate
• Rack Addressing: Configured via jumper settings
• Voltage Input: 5 Volts DC
• Current Input: 0.8 Amps
• Backplane Current Draw: 800 mA at 5V DC
• Maximum Data Rate: 500 Kbytes/sec
• Expansion Capacity: Supports up to 7 expansion racks
• Maximum Cable Length: 50 feet (15 meters)
• Data Connectors: 2 x 25-pin D-shell connectors
• Port 1 Function: Expansion port towards the CPU
• Port 2 Function: Expansion port towards additional racks
• Electrical Isolation: Non-isolated differential communication
• Terminator Plug: IC697ACC702 (required at the last expansion rack)
• Status LEDs:
  • OK: Indicates the module's operational status
  • Bus Active: Shows the status of the communication bus
  • Last Rack: Indicates the last rack in the expanded system