IC697BEM711 GE Fanuc Series 90-70 Bus Receiver Module - Fast Shipping

Global PLC Spare HUB's Insight

The IC697BEM711 is a sophisticated Bus Receiver Module (BEM) engineered for high-speed parallel bus expansion within the legacy Series 90-70 ecosystem. Unlike standard I/O links, the IC697BEM711 maintains a high-speed data rate of 500 Kbytes/sec, ensuring expanded racks operate with minimal latency relative to the CPU. Its non-isolated differential communication architecture is optimized for VME standard C.1 compliance. For senior automation engineers, this module is essential for implementing "Output Hold" states during rack maintenance, preventing total system shutdowns. 

Core Technical Specifications

• Brand: GE Fanuc / Emerson Automation
• Model: IC697BEM711
• Series: Series 90-70 PAC
• Module Type: Bus Receiver Module (Expansion Port)
• Backplane Current: 800 mA at 5VDC
• Data Throughput: 500 Kbytes/sec (Effective)
• Interface: Dual 25-pin D-shell connectors
• Expansion Capacity: Support for up to 7 additional racks
• Maximum Distance: 15 meters (50 feet) total cable length
• Logic Isolation: Non-isolated differential signaling
• Config Software: MS-DOS or Windows-based Programming Environment

Engineering Application & Compatibility

• Target Hardware: Exclusively for Series 90-70 CPU baseplates and expansion chassis.
• System Scale: Ideal for complex power plant controls, water treatment facilities, and automotive assembly lines.
• Isolation Utility: Allows for physical "Fault Isolation," where a specific rack can be powered down without disrupting the primary PLC logic.
• Cabling Options: Compatible with IC600WD series cables (5ft to 50ft).

Advanced Diagnostic Capabilities

• Module OK LED: Confirms internal hardware integrity and successful power-up.
• Bus Active LED: Indicates real-time data transmission across the expansion link.
• Last Rack LED: Critically identifies if the module is correctly jumpered/terminated as the end-of-line node.
• Status Monitoring: Software-based fault tables will report "Loss of I/O Rack" if the IC697BEM711 detects a cable break.

Logistics & Quality Assurance

• Warranty: Full 12-month professional warranty against operational defects.
• Processing Time: Guaranteed dispatch within 24-48 hours.
• Global Logistics: Express shipping via FedEx, UPS, and DHL.
• Condition: Rigorously tested and verified for industrial deployment.

Selection & Purchase Guidance

• Identify Role: This is a Receiver module; verify if you require the BEM713 transmitter for the CPU side.
• Slot Placement: Typically occupies Slot 1 of the expansion baseplate.
• Distance Limits: Ensure total system cable length does not exceed 15 meters to prevent CRC errors.

Professional FAQ

What is the critical difference between the BEM711 and BEM713 modules?

The IC697BEM711 functions as a receiver in the expansion rack, while the BEM713 acts as the transmitter from the CPU rack.

Why is my "Last Rack" LED not illuminating despite being the final node?

Check the hardware jumper settings on the IC697BEM711 board and ensure the IC697ACC702 terminator is firmly seated.

Does this module support "Hot Swapping" while the PLC is energized?

No. System power must be fully discharged before inserting or removing the IC697BEM711 to avoid backplane damage.

What happens to the I/O state if the expansion cable is severed?

If configured in the software, the IC697BEM711 can trigger an "Output Hold" to maintain the last known safe machine state.

Are MS-DOS configuration files compatible with modern Emerson software?

Yes, the logic for the IC697BEM711 can be migrated, but hardware jumpers must match the software rack addressing.

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