Technical Specifications Backplane Power Consumption:260mA @5VDC Expansion Interface:Dedicated high‑speed expansion bus port Maximum Expansion Distance:Up to 2000 meters with qualified cable Isolation Voltage:1500V RMS Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%‑95%, non‑condensing Certifications:CE, UL, cUL
Functional Features Main‑rack bus signal transmission, long‑distance expansion bus driving, communication fault diagnosis, front‑panel link‑fault LED indication, support multi‑stage remote expansion chassis connection.
Application Scenarios Series 90‑70 distributed control system, decentralized cabinet layout, long‑distance I/O rack expansion, legacy industrial automation spare replacement.
Performance Parameters Deterministic expansion bus signal transmission Expansion link fault detection function Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard Series 90‑70 plug‑in rack module Front‑panel LED indicators for link, activity and fault Dedicated expansion bus signal connector Backplane gold‑finger bus contact Internal bus signal driving circuit Mechanical locking latch
Working Principle IC697BEM711 is installed on Series 90‑70 main rack. It reads backplane bus data signal, completes signal driving and sends to remote expansion chassis via dedicated expansion cable. Corresponding bus receiver module on remote rack restores bus signal for remote I/O modules data exchange. Module monitors expansion link health status and reports fault to CPU.
Installation Requirements Mount module into designated slot of Series 90‑70 main chassis. Complete cabinet protective grounding. Apply GE official dedicated expansion cable. Do not exceed maximum transmission distance specification. Power‑off rack before module replacement. Separate expansion cable from high‑voltage power wiring.
Usage Notes Must match corresponding bus receiver module on remote rack. Check expansion cable connection condition regularly. Judge link abnormality by front‑panel LED. On‑site disassembly is prohibited. Avoid corrosive gas and liquid splash.
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