Technical Specifications 4-20mA analog signal; Intrinsic safety; Galvanic isolation; ATEX certification; Operating temperature -40°C to 70°C.
Functional Features Supply power to two-wire field transmitters. Isolate analog process signals. Suppress ground loop interference. Energy limiting for explosion protection.
Application Scenarios Petrochemical, chemical, pharmaceutical industry for process transmitters installed in explosive hazardous zones.
Performance Parameters High accuracy signal transmission; Stable loop power; Low temperature drift.
Structural Characteristics DIN rail mounted module, plug-in terminals for field and control wiring, LED power and fault indicator.
Working Principle The module generates isolated power for field loop. Analog 4-20mA signal from transmitter is isolated and transferred to control system, internal components limit energy to prevent ignition in hazardous atmosphere.
Installation Requirements Install on DIN rail in safe area cabinet. Field signal cable shield grounded at cabinet end. Keep intrinsically safe wiring separated.
Usage Notes Do not connect non-intrinsically safe equipment to field terminals. Verify ATEX certificate for site hazardous classification.
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