Technical Specifications
Number of channels: 8. Output: 4-20mA DC with HART protocol. Resolution: 14-bit analog. HART data rate: 1200bps. Accuracy: ±0.2% full scale. Isolation: 500V AC. Power dissipation: 2.5W. Operating temperature range: 0°C to +60°C.
Functional Features
Combined analog control output and HART bidirectional communication. Supports HART smart valve positioners and actuators. Per-channel HART modem. Output short-circuit protection. Hot-swap capability.
Application Scenarios
It controls HART smart control valves and positioners in CENTUM DCS systems for advanced process control, valve diagnostics and predictive maintenance.
Performance Parameters
Analog accuracy: ±0.2% full scale. HART baud rate: 1200bps. Update rate: 200ms per channel. Operating temperature range: 0°C to +60°C.
Material Composition
Housing: flame-retardant plastic. PCB: FR-4. HART modems: Bell 202 compliant. Connectors: gold-plated copper.
Structural Characteristics
Standard CENTUM module form factor, front panel status LEDs, rear backplane connector, card guide mounting.
Working Principle
It converts digital setpoints to 4-20mA analog control signals and superimposes HART digital communication onto the loop, enabling both control and bi-directional digital communication with smart field devices.
Installation Requirements
Install in CENTUM chassis slot. Wire HART valve positioners in multi-drop topology. Terminate HART network properly. Configure device addresses.
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