Technical Specifications Backplane power supply. Multi-channel 4-20mA analog output. HART communication support. Channel isolation. Operating temperature:0°C ~ +60°C.
Functional Features 4-20mA control signal output. HART pass-through for smart valve diagnostics. Output short-circuit protection. Channel fault monitoring. Hot swap capability.
Application Scenarios Continuous process control loops in oil refinery, chemical plant, water treatment for modulating control valve regulation.
Performance Parameters High linearity analog output, HART digital communication on control loop. Operating temperature:0~+60°C.
Structural Characteristics Rack plug-in I/O module, field wiring terminal block, DeltaV backplane connector, DAC conversion and HART coupling circuit.
Working Principle Receive digital setpoint commands from DeltaV controller, convert digital data into 4-20mA analog current signal, and carry HART digital commands to smart valve positioners.
Installation Requirements Insert module into DeltaV I/O rack. Connect shielded cable to valve positioners. Configure output range in DeltaV software.
Usage Notes Calibrate valve zero and span after installation. Prevent short-circuit of output terminals.
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