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SKU: IC697BEM711

IC697BEM711 GE Fanuc Expansion Rack Bus Receiver Interface

The IC697BEM711 is a Series 90-70 bus receiver module that enables rack expansion for GE Fanuc PLC systems. It supports high-speed data transmission up to 500 Kbytes/sec across daisy-chained expansion chassis.

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Product Overview

The GE Fanuc IC697BEM711 functions as the critical interface for expanding a Series 90-70 PLC system beyond the main CPU chassis. This Bus Receiver module allows a secondary or remote rack to communicate directly with the central processor by receiving signals from an IC697BEM713 Bus Transmitter. By utilizing this hardware, engineers can distribute I/O modules and specialized option boards across multiple racks to accommodate large-scale industrial applications. The module facilitates a high-speed parallel data link, ensuring that remote I/O data refreshes with minimal latency. Consequently, this expansion capability proves essential for complex automation environments in power generation, water treatment, and heavy manufacturing where high point counts are required.

System Configuration and Network Topology

Integrating the IC697BEM711 into a Series 90-70 architecture requires a daisy-chain configuration. The system supports up to seven receiver modules connected to a single transmitter, provided the total cable length does not exceed 15 meters (50 feet). Each expansion rack must house one IC697BEM711 module to decode the bus signals for the local expansion backplane. Furthermore, the final receiver module in the chain must utilize an IC697ACC702 terminating resistor to prevent signal reflection and ensure bus stability. The module communicates via a 50-pin expansion cable and occupies a single slot in the expansion chassis. For diagnostic purposes, front-panel LED indicators provide real-time status of the expansion bus integrity and power supply health.

Technical Characteristics and Requirements

  • The module interfaces with the IC697BEM713 Bus Transmitter via specialized high-speed expansion cables (IC600WD series).
  • It draws approximately 1.4 A from the 5V backplane bus to power the receiver circuitry and expansion logic.
  • The hardware architecture supports an effective data transfer rate of up to 500 Kbytes per second, maintaining deterministic performance across all racks.
  • Installation is restricted to the expansion chassis; it cannot be placed in slot 1 of the main CPU rack.
  • The module is configured through standard GE Fanuc programming software suites (CIMPLICITY or Logicmaster 90).

Technical Specifications

  • Manufacturer: GE Fanuc (Emerson)
  • Model Number: IC697BEM711
  • Product Series: Series 90-70
  • Module Type: Bus Receiver Module
  • Current Draw: 1.4 A at 5 VDC
  • Data Rate: 500 Kbytes/sec
  • Maximum Rack Distance: 15 m (50 ft) total chain length
  • Weight: 0.42 kg
  • Dimensions: 4 cm x 22 cm x 29.1 cm
  • Origin: USA
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