IC694BEM331 | Genius Bus Controller GE Fanuc Emerson

Core Functionality

Model: IC694BEM331

Module Type: Genius Bus Controller

Data Exchange: 128 bytes per device, 128 bytes of global data per scan

Max Devices: 32 at 76.8Kbaud+, 16 at 38.4Kbaud

Protocol: Genius Global Data and Datagrams

Baud Rates: 153.5K, 76.8K, or 38.4K (software-selectable)

Hardware and Integration

Slot Requirement: Single-slot module

Power Requirements: 5 VDC, 300 mA

Backplane Support: No restrictions; compatible with GE RX3i and Series 90-30 racks

Connection Medium: Daisy-chained twisted-pair or Twinax cables; optional fiber-optic or modem use

Bus Termination: 75, 100, 120, or 150 Ohm resistors at both ends of the cable

Isolation Rating: 2000V Hi-Pot; 1500V transient CMR

Diagnostic and Communication Features

Diagnostic LEDs: OK and COM

OK LED: On when module is operating correctly

COM LED: Shows real-time Genius Bus communication status (blinks on errors, off on failure)

Advanced Fault Reporting: Quickly identifies network and device communication issues

Software: Configured via Proficy Machine Edition

Performance & Capacity Highlights

Total Data Throughput: Up to 4096 bytes if 32 devices exchange 128 bytes each

Maximum Modules per System: 8 IC694BEM331 modules per RX3i rack

Bus Scan Cycle: Can transmit and receive global data during every bus scan