Technical Specifications Power supplied by PLC back‑plane bus; High‑density multi‑channel RTD inputs; Multiple RTD type support Operating temperature:0℃~+60℃; Storage temperature:‑40℃~+85℃; Humidity:5‑95% non‑condensing Mounting:PLC rack plug‑in mounting
Functional Features High‑channel‑count RTD temperature acquisition. Sensor open‑circuit detection. Input signal filtering. Front‑panel LED status and fault indicators.
Application Scenarios Multi‑point temperature measurement for GE 90‑30 PLC systems. Process‑industry equipment temperature monitoring. Spare replacement high‑density temperature module.
Performance Parameters High‑density multi‑channel stable measurement. Reliable sensor fault detection. Strong anti‑interference performance.
Material Composition Flame‑retardant plastic housing. Multilayer conformal coated PCB. Multi‑channel RTD conditioning circuits, A/D chip, back‑plane connector and field sensor terminals.
Structural Characteristics Standard 90‑30 rack plug‑in module. Rear back‑plane bus connector. Front‑panel multi‑channel sensor terminals and LED indicator group. Mechanical locking latch.
Working Principle Field RTD sensors connect front terminals. Resistance signals convert to digital temperature readings. Temperature data transmits to PLC CPU via rack back‑plane bus.
Installation Requirements Power off PLC rack. Insert module into rack slot and lock latch. Connect RTD sensor wiring. Restore power, configure sensor parameters in PLC software and verify measured values.
Usage Notes Hot‑plug is forbidden. Sensor cable shielding grounding shall follow site specifications. Anti‑static operation required.
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