Technical Specifications Supported PLC: GE Series‑90 PLC Bus Channels: Dual independent Genius bus interfaces Hardware Revision: J Operating Temperature Range: 0 ℃ to +60 ℃ Storage Temperature Range: ‑40 ℃ to +85 ℃ Mounting: PLC rack slot installation
Functional Features Dual Genius bus master function. Separate network management for each bus channel. Independent fault diagnosis for channel A and channel B. Reduce main CPU communication workload. Direct hardware substitute for IC660ELB921H.
Application Scenarios Existing dual Genius network system maintenance replacement, large distributed I/O automation projects, industrial spare‑part inventory for GE Series‑90 platform.
Performance Parameters Bus communication rate: Up to 1.5 Mbps per channel Network capacity: Same as IC660ELB921H specification.
Structural Characteristics Rack‑mount PCB assembly, two Genius bus field ports, dual‑channel LED status indicators, gold‑plated backplane rack connector. Form, fit and function fully compatible with IC660ELB921H.
Working Principle Identical working mechanism as IC660ELB921H. Two independent coprocessor circuits handle respective Genius bus segment data polling, protocol conversion and data exchange with PLC CPU memory through backplane bus.
Installation Requirements Install in Series‑90 PLC rack target slot. Respect bus termination requirement for each Genius network segment. ESD anti‑static operation is mandatory during handling.
Usage Notes No software modification required when replacing IC660ELB921H with IC660ELB921J. Keep original network configuration parameters. Power‑off rack before swap module.
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