Technical Specifications
Number of output channels: 8. Output ranges: 4-20mA, ±10V DC selectable per channel. Resolution: 16-bit. Accuracy: ±0.15% full scale @ 25°C. Isolation: 500V AC channel-to-channel and channel-to-bus. Backplane current: 400mA @ 5V DC. Power dissipation: 2W maximum. Operating temperature range: 0°C to +60°C.
Functional Features
Full channel-to-channel isolation eliminates cross-talk and ground loops. Per-channel output range configuration. Built-in short-circuit protection. Output value feedback diagnostics. Hot-swap capability.
Application Scenarios
It drives control valves, positioners and actuators in turbine control systems, power generation facilities and process industries requiring high noise immunity.
Performance Parameters
Output update rate: 100ms per channel. Load regulation: ±0.05% full scale. Temperature drift: ±30ppm/°C. Operating temperature range: 0°C to +60°C.
Material Composition
Housing: flame-retardant plastic. PCB: FR-4. Output stages: isolated DAC and power amplifiers. Connectors: gold-plated copper.
Structural Characteristics
Standard Mark V module form factor, front panel status LEDs, rear backplane connector, card guide rails.
Working Principle
It receives digital control values from the controller, converts them to analog signals via isolated digital-to-analog converters, and conditions and outputs the signals to field actuators with full galvanic isolation.
Installation Requirements
Install in Mark V chassis slot. Use shielded output wiring. Configure output ranges via software. Verify load compatibility.
Usage Notes
Do not exceed load current ratings. Calibrate periodically. Follow ESD procedures.
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