HONEYWELL CC-PSV201 51454123-175 Servo Valve Positioner Module

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HONEYWELL  CC-PSV201 51454123-175

The Honeywell CC-PSV201 51454123-175 is a Servo Valve Positioner Module (SVPM) belonging to the Series C Turbomachinery I/O family within the Experion PKS (Process Knowledge System) . It is specifically designed for precision positioning of servo valves in turbomachinery control applications . This module provides an onboard PID positioning loop, accepting position feedback signals from Linear Variable Differential Transformers (LVDT), Rotary Variable Differential Transformers (RVDT), or 4-20 mA transmitters . It receives remote setpoint commands from a C300 controller and executes the PID loop to generate current outputs that position the servo valve . The module is engineered for high-speed, closed-loop control in demanding industrial environments, supporting redundant configurations and extensive self-diagnostics to ensure operational reliability and fail-safe behavior .

Detailed Information

Output Type: Bipolar current (Ranges: 10, 20, 40, 80, 160, 320 mA)

                      Unipolar current (Ranges: 50, 300 mA)

Output Channels: 2

Dither: 0-10% of FS, 25-60 Hz

Output Temperature Drift: 300 ppm per deg C

Output Current Linearity: 0.325%

Resolution: 16-bit DAC

Maximum Open Circuit Voltage: ±14 V

Gap (0 mA) of Output to Field on Switchover: 15 mS maximum

Input/Feedback: 3/4/5/6 wires LVDT feedback signals, 8 V RMS max., 2.5-3.2 KHz

Excitation: 8 V RMS max, 2.5-3.2 KHz (max. internal excitation is 50 mA)

Frequency Stability: 2.5-3.2 KHz ±5 Hz from set value

Galvanic Isolation (any input terminal voltage referenced to common): ±500 VDC

Input Impedance (voltage inputs): Impedance > 25 Kohm (2.5 KHz to 3.2 KHz)

Input Scan Rate: 2.5 mS

Features

• Onboard PID Positioning Loop: The module executes an onboard PID positioning loop with an overall loop latency of within 10 ms, enabling fast and stable valve control response .

• High-Speed Processing: Point processing at 2.5 ms period for LVDT/RVDT signal acquisition and PID execution .

• Digital Dither: Provides digital dither (0-10% of FS, 25-60 Hz) to compensate for stiction in the controlled servo valve, improving movement smoothness and reducing hysteresis .

• Redundancy Support: Supports redundant solution for critical applications requiring high availability .

Application

The CC-PSV201 is specifically designed for turbomachinery control and precision valve positioning across multiple industries:

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