Products Description
GE IC660ELB921M Genius Bus Repeater / Bus Extender Module in stock
GE IC660ELB921M is a Genius bus active repeater and bus power inserter module from GE Fanuc, designed for GE Genius I/O distributed fieldbus network under Series 90-70 PLC system. It amplifies bus signals, extends network distance and supports branched or star topology for Genius I/O network.
This module provides electrical isolation between input and output bus segments, and supplies 24VDC power to downstream bus branch. It is discontinued legacy spare part, widely used for maintenance and network reconstruction of old Genius I/O automation systems in power, chemical and oil & gas industries.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | GE Fanuc |
| 2 | Model | IC660ELB921M |
| 3 | Module Type | Genius Bus Repeater / Bus Extender Module |
| 4 | Applicable System | GE Series 90-70 PLC, Genius I/O Fieldbus Network |
| 5 | Function | Signal repeater + 24VDC bus power inserter |
| 6 | Isolation | Electrical isolation between bus segments |
| 7 | Power Supply | External 24VDC |
| 8 | Connector | D-Sub 9pin, IN / OUT bus port |
| 9 | Operation Temperature | -25℃ ~ +70℃ |
| 10 | Status | Discontinued legacy spare part |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Amplify and regenerate Genius bus signal to extend the transmission distance of Genius I/O fieldbus. |
| 2 | Inject 24VDC power for downstream bus branch to reduce voltage drop on long cable. |
| 3 | Support star and branched network topology, not only linear daisy-chain Genius bus layout. |
| 4 | Electrical isolation between input and output bus segments to block interference and fault spreading. |
| 5 | Onboard LED indicators to monitor power status and communication health of both bus sides. |
Application Scenarios
| No. | Application |
|---|---|
| 1 | GE Series 90-70 Genius I/O distributed control system for power plants |
| 2 | Oil & gas and petrochemical plant long-distance Genius fieldbus network extension |
| 3 | Factory automation branched bus network construction and signal isolation project |
| 4 | Legacy Genius bus network spare replacement, network upgrade and maintenance |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q: What is GE IC660ELB921M? A: It is Genius bus active repeater and power inserter module for GE Genius I/O fieldbus network of Series 90-70 PLC. |
| 2 | Q: What topology does this module support? A: It supports linear daisy-chain, star and branched Genius bus network layout, flexible for field wiring. |
| 3 | Q: What is the main benefit of bus isolation? A: It can isolate faults between bus segments, prevent local failure from spreading to the whole Genius I/O network. |
