Description
The part number IC697BEM731Z refers to a bus controller module manufactured by GE Fanuc (General Electric).
Product Overview
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Manufacturer: GE Fanuc / Emerson Automation
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Part Number / Model: IC697BEM731Z
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Component Type: Genius I/O Bus Controller Module (BCM)
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Platform: Series 90-70 Programmable Logic Controller (PLC) System
Key Specifications & Features
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System Role: Acts as an intelligent communications interface between the Series 90-70 VME rack backplane and external Genius I/O blocks, sub-networks, and compatible field devices.
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Device Capacity: Designed to coordinate data communication and control for multiple connected Genius network drops/devices (supporting robust multi-drop configurations).
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Communication Features:
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Supports high-speed serial token-passing communications over the Genius bus protocol.
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Features integrated diagnostics, fault reporting, and support for configuration tracking via programming software.
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Backplane Integration: Mounts directly into the IC697 VME-style PLC rack, drawing power and exchanging high-speed parallel data directly with the central CPU.
Industrial Deployment
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Applications: Widely utilized in legacy heavy industrial processing facilities, power generation plants, water treatment installations, and manufacturing lines running large-scale GE Series 90-70 architecture coupled with distributed Genius I/O networks.
IC697BEM731Z
Product Overview
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | IC697BEM731Z |
| Module Type | Genius Bus Controller Module |
| Manufacturer | GE Fanuc (GE Intelligent Platforms) |
| Applicable Platform | GE Series 90-70 PLC System |
| Core Function | Genius fieldbus communication management, data exchange between CPU and distributed Genius I/O |
| Field Bus Interface | Genius Bus, shielded twisted pair wiring |
| Maximum Nodes | Supports up to 31 Genius I/O modules on single bus |
| Communication Distance | Max 2000 meters (depends on baud rate) |
| Power Supply | Powered by PLC rack backplane |
| Mounting Form | Standard plug-in module for Series 90-70 rack |
| Operating Temperature | 0℃ ~ +60℃ |
| Ambient Humidity | 5%–95% non-condensing |
| Protection Class | IP20 (cabinet internal installation) |
| LED Indicators | Power, Run, Bus activity, Fault indicators |
| Hot Swap Support | Not supported |
| Spare Part Status | Original production discontinued; new surplus and refurbished units available |
Key Features
- Dedicated bus controller for Genius distributed I/O, offloads communication tasks from main CPU
- Supports up to 31 field I/O modules on one Genius bus to realize decentralized field signal collection
- Built-in bus self-diagnosis function, capable of detecting bus short circuit, open circuit and node failure
- Galvanic isolation design improves anti-interference performance in complex industrial electromagnetic environments
- Optimized bus polling mechanism balances data refresh speed and communication load
- Front panel LED indicators enable quick visual inspection of bus operating status and fault diagnosis
- Standard mechanical size matching Series 90-70 rack layout for direct replacement
- The suffix Z represents specific firmware variant; different revisions cannot be directly interchanged without configuration verification
- Ideal for maintenance and upgrade transformation of legacy GE Series 90-70 and Genius I/O systems

