Description
GE Fanuc IC697BEM733 Backplane Expansion Module
GE Fanuc IC697BEM733 is an advanced backplane expansion module designed for GE’s Series 90-70 PLC platform, offering enhanced scalability and reliability for industrial automation systems. This module supports high-speed data transfer via the Genius Bus protocol, enabling seamless integration of up to
4 additional I/O racks per controller. With redundant hot-swap capabilities and rugged construction, the
IC697BEM733 ensures continuous operation in harsh environments while simplifying system expansion.
Parameter |
Specification |
Input Voltage |
24 VDC ±10% |
Power Consumption |
4 W |
Interface Type |
GE Genius Bus (supports up to 16 modules per backplane) |
Compatibility |
GE Series 90-70 PLCs, Proficy Machine Edition software |
Rack Expansion |
Supports up to 4 additional I/O racks per controller |
Redundancy Support |
Dual-controller hot-swap capability |
Operating Temperature |
-40°C to 70°C |
Dimensions |
150 mm x 100 mm x 60 mm |
Weight |
0.45 kg |
Isolation |
2,500 VDC between modules and ground |

IC697BEM733
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Enhanced Scalability:
- Expands system capacity to 256 I/O channels per controller, ideal for large-scale applications requiring extensive monitoring and control.
- Supports mixed I/O configurations (analog, digital, and specialty modules) for versatile automation solutions.
-
Advanced Redundancy:
- Dual-controller redundancy with hot-swap functionality ensures zero downtime during module replacement, reducing maintenance costs by up to 30%.
-
Rapid Data Transfer:
- Genius Bus technology enables real-time communication with sub-millisecond latency, critical for fast-response processes.
-
Robust Design:
- Withstands extreme temperatures (-40°C to 70°C) and vibration, making it suitable for oil refineries, mining, and other harsh environments.
- Energy:
Expands PLC systems in wind farms to manage turbine sensors and grid integration across distributed racks.
- Automotive:
Connects robotic welding stations and conveyor systems in assembly plants for centralized control.
- Water Treatment:
Integrates multiple I/O racks to monitor pumps, valves, and chemical dosing systems in large-scale facilities.
Case Study:
A North American power plant deployed IC697BEM733 modules to expand its boiler control system. By adding 3 racks with 96 I/O channels, the plant reduced downtime by 25% during turbine startups and improved energy efficiency by 18% through centralized data analysis.

IC697BEM733
The IC697BEM733 distinguishes itself through:
- Higher Rack Density: Supports 4 racks compared to most alternatives’ 2-3 racks.
- Extended Temperature Range: Operates in -40°C to 70°C, exceeding standard modules’ 0°C to 50°C limits.
- Dual-Controller Redundancy: Offers seamless failover, a feature often limited to premium-tier solutions.
- System Complexity: Choose the IC697BEM733 for systems requiring over 64 I/O channels; consider simpler modules (e.g., IC697BEM701) for smaller setups.
- Redundancy Needs: Opt for this module if your application demands fault tolerance, as it eliminates single points of failure.
- Budget: While slightly more expensive than basic expansion modules, its redundancy features justify the investment for mission-critical operations.
-
Installation:
- Ensure proper grounding and cable routing to prevent EMI interference.
- Use only GE-approved Genius Bus cables for reliable communication.
-
Maintenance:
- Clean ventilation slots quarterly to maintain optimal cooling.
- Test redundancy failover every 6 months to confirm functionality.
-
Safety:
- Power off the system before module replacement to avoid ESD damage.
- Secure all connections to prevent dislodging during equipment vibration.
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