IC697BEM742 GE Fanuc Series 90-70 Bus Controller Module
Manufacturer: GE Fanuc
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Part Number: IC697BEM742-AA
Condition：New with Original Package
Product Type: Communication Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC697BEM742 Series 90-70 FIP Bus Controller Module
Configured for high-speed deterministic fieldbus interfacing in Series 90-70 PLC architectures, the GE Fanuc IC697BEM742-AA (IC697BEM742 Bus Controller Module) provides direct physical and electrical execution of dual-channel data transmission across expansion networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC697BEM742-AA (Base Model: IC697BEM742) |
| Brand | GE Fanuc |
| Origin | USA |
| Weight | 0.57 kg (1.25 lbs) |
| Dimensions | Single-Slot VME Module Form Factor |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | Approx 1.0 A at 5 VDC (5 W max) |
| RAM Memory | 2 Megabytes |
| Flash Memory | 2 Megabytes |
| Transmission Speed | Up to 1 Mbit/second (1 Mbps) / 500 KB/sec deterministic transfer |
| Communication Channels | Dual channels for redundant bus communication |
| Interfacing Medium | FIP Bus / Multimode Fiber Optic Link |
| Maximum Distance | Up to 2 km (depending on fiber optic cable specification) |
| Expansion Capacity | Supports up to 7 remote expansion racks (paired with IC697BEM741) |
| System Platform | GE Fanuc Series 90-70 PLC VME Backplane |
| Diagnostic Indicators | Front-panel LEDs for Module OK, Fiber Link Active, and Expansion Enabled |
Deterministic Backplane & Bus Communication Velocity
Engineers install the GE Fanuc IC697BEM742 into Series 90-70 VME backplane slots to maintain predictable system-wide data throughput across multi-rack control topologies. The module utilizes onboard 2 MB RAM and 2 MB Flash memory to buffer I/O signals locally, optimizing backplane bus communication velocity without burdening the host CPU scan cycle. Internal protocol microcontrollers execute dual-channel redundant transmission protocols independently, maintaining firmware flash compatibility and ensuring real-time control responses under severe electromagnetic interference.
Frequently Asked Questions
Q: How does the dual-channel configuration support physical link redundancy?
A: The module incorporates two distinct physical communication channels that process data streams simultaneously; if the primary channel encounters a signal loss or cable disconnection, data traffic routes through the secondary channel without disrupting logic execution.
Q: What are the backplane power supply requirements for this module?
A: The module draws approximately 1.0 A at +5 VDC directly from the Series 90-70 backplane power supply, consuming around 5 W of logic power during continuous operation.
Field Installation Guidelines
Technicians must seat the module into an open Series 90-70 backplane slot with system power turned off. When routing fiber optic or communication cabling, maintain specified bend radius limits to prevent optical attenuation or physical core damage. All cable shielding or connector shells must be grounded securely to the rack chassis to eliminate electrical common-mode noise across long-distance expansion networks.