Emerson 1C31194G03

Product Introduction The Emerson 1C31194G03 is analog output module for Ovation distributed control system. It receives digital control commands from Ovation controller and converts digital signals into standard 4-20mA analog current signals. The output signals drive field control valves, valve positioners and analog indicators to realize continuous closed-loop regulation of temperature, pressure, flow and liquid level in industrial processes.

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Description

Emerson 1C31194G03

Technical Specifications

  • Number of output channels: 8 analog output channels
  • Output signal type: 4-20mA DC
  • Digital-to-analog conversion resolution: 16 bit
  • Operating temperature: 0°C to 60°C
  • Storage temperature: -40°C to 85°C
  • Ambient humidity: 5% to 95% non-condensing
  • Each channel has independent short-circuit protection

Functional Features High precision digital-to-analog conversion ensures stable output current. Each channel supports independent range configuration. Built-in short-circuit and overload protection protects internal circuits when field wiring fails. Channel fault diagnosis function detects output loop abnormality. Front panel LED lamps show module running state and fault information. Hot swap allows online module replacement without stopping Ovation control system. Optimized EMC design suppresses industrial electromagnetic interference.

Application Scenarios Applied in thermal power plants, waste incineration stations, chemical plants and pulp and paper mills. Used to output regulation signals for control valves and electric positioners in Ovation main control cabinets and remote I/O cabinets.

Performance Parameters

  • Output accuracy reaches ±0.15% full scale
  • Fast signal adjustment response speed
  • Low output current ripple
  • Stable current output under long-term continuous load

Material Composition Flame-retardant industrial grade PCB serves as circuit carrier. High precision DAC chips and current output driving components are adopted. Outer structural shell uses high strength flame-retardant plastic. Backplane connector pins are gold plated. Terminal parts use copper alloy with corrosion resistant coating.

Structural Characteristics Plug-in card design for Ovation system racks. Front panel integrates wiring terminals and status indicators. Locking buckle structure prevents loose contact under vibration. Internal circuit separates analog output area and digital communication area to reduce interference. Independent heat dissipation channel for internal power components.

Working Principle Digital control commands from Ovation controller transmit to the module through the backplane bus. Internal digital to analog chips convert digital values into corresponding analog current signals. Signal driving circuits output 4-20mA current to field actuator loops. The module continuously samples output current values and judges loop faults. Fault information is uploaded to the Ovation operator station for alarm prompt.

Installation Requirements Install in standard Ovation dedicated cabinet. Lock the buckle after inserting the module into the backplane slot. Field signal cables use shielded twisted pair. Separate analog signal cables from power cables. Ensure reliable cabinet protective grounding. Keep ventilation channels unblocked.

Use Precautions Verify wiring definition before power supply. Do not overload the output channel beyond specified load impedance. Do not connect high voltage signals to analog output terminals. Clean dust accumulation on module surface periodically. Do not disassemble the sealed shell of the module.