Technical Specifications Power from rack back‑plane bus; Galvanically isolated current input channels Operating temperature:0℃~+60℃; Storage temperature:‑40℃~+85℃; Humidity:5‑95% non‑condensing Mounting:rack plug‑in mounting
Functional Features Galvanic isolation for field current signals. Signal filtering and level conversion. Channel and hardware self‑diagnosis. Front‑panel LED status indicators.
Application Scenarios Analog current signal acquisition for GE industrial control racks. Process industry field transmitter signal interface. Spare maintenance replacement module.
Performance Parameters Accurate current‑signal conversion. High common‑mode noise rejection. Reliable channel fault detection.
Material Composition Flame‑retardant plastic housing. Multilayer conformal coated PCB. Isolation circuits, signal conditioning chips, back‑plane connector and field wiring terminals.
Structural Characteristics Standard rack plug‑in module. Rear connector links rack back‑plane bus. Front‑panel signal terminals and LED indicators. Metal locking screw for rack‑slot fixation.
Working Principle Field current loop signals enter front terminals. After isolation and filtering, signals convert to digital values and transmit to controller CPU over back‑plane bus. Self‑diagnosis monitors channel health.
Installation Requirements Power off control rack before replacement. Insert module to target slot and tighten screw. Connect field current transmitter wiring. Restore rack power, configure channel parameters and verify input data.
Usage Notes Hot‑plug under power is prohibited. Signal wiring polarity must be correct. Follow anti‑static operation rules.
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