Honeywell CC-PSV201 Servo Valve Positioner Module Low Price

Function

This Series C I/O module is designed for positioning a servo valve, typically used in turbomachinery control applications. It can accept LVDT/RVDT/4-20 mA position feedback signals from the control valve, receive a control valve demand remote set point from a C300-20msCEE controller, and execute an onboard PID positioning loop to issue current output to the servo valve coil for precise control of the valve’s position.

Notable Features

• Onboard PID positioning loop execution with an overall loop latency within 10 mS.
• Onboard excitation supply for LVDT and support for various configurations of LVDT connections.
• LVDT input channel can optionally be configured to accept 4-20 mA analog input signals.
• Supports a wide range of unidirectional/bidirectional current output to the servo valve coil.
• Servo valve output channel can optionally be configured for 4-20 mA analog output signals.
• Accepts two digital inputs, which can be configured to drive the servo valve output to a safe value.
• PID execution using the position measurement and remote set point received from the C300 20 ms controller.
• Extensive module-level diagnostics including PV qualification for AI & AO, LVDT excitation frequency drift check, internal reference check, power supply diagnostics, memory diagnostics, and more.
• Extensive field-level diagnostics including open wire detection for Servo, LVDT, AI (4-20 mA), and DI; LVDT core fallout; readback current diagnostics for Servo and AO (4-20 mA).
• Drive Servo output to a safe value when detecting abnormal conditions in control components.
• Point processing at a 2.5 mS period for “LVDT/RVDT signal” and PID execution.
• Provides digital dither (current modulation) to compensate for stiction in the controlled device (servo valve).
• Supports servo valve position calibration.
• Supports redundant solutions.
• Supplies non-incendive field power.

SVPM supports the following I/O interfaces

• LVDT/RVDT/analog input – 2 channels
• Digital input – 2 channels
• Servo/analog output – 2 channels
• 2 PID blocks

Detail Specifications – SVPM

 

Input/Output Model

• CC-PSV201 – Servo Valve Positioner Module
• CC-TSV211 Redundant 18″

Servo Output

• 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 Resistive Load (24 V supply = 22 VDC through 28 VDC): Maximum coil resistances allowed for different current ranges with this interface are available in Honeywell DFS document
• Maximum Open Circuit Voltage: ±14 V
• Gap (0 mA) of Output to Field on Switchover: 15 mS maximum

LVDT Interface

• 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
• Channels: 2
• Galvanic Isolation (any input terminal voltage referenced to common): ±500 VDC
• Isolation Technique: Isolation transformer
• A/D Converter Resolution: 16-bits
• Input/Output Range (1): 8 V RMS max., 2.5-3.2 KHz
• Input Impedance (voltage inputs): Impedance > 25 Kohm (2.5 KHz to 3.2 KHz)
• Input Scan Rate: 2.5 mS
• Hardware Accuracy (@ CMV = 0 V): < 1%

Analog Inputs

• Input Type: Voltage, current (2-wire or self-powered transmitters)
• Input Channels: 2
• Common Mode Voltage, DC to 60 Hz: -6 to +5 V peak
• A/D Converter Resolution: 16-bits
• Input Range (1): 0 to 5 V, 1 to 5 V, 0.4 to 2 V, 4-20 mA (through 250 Ω)
• Maximum Normal Mode Input (differential inputs, no damage): ±30 V
• Input Impedance (voltage inputs): > 10 M Ω powered
• Maximum Input Voltage (any input referenced to common, no damage): ±30 V
• Input Scan Rate: 5 ms
• Hardware Accuracy (@ CMV = 0 V): ± 0.075% of full scale (23.5°± 2°C), ± 0.15% of full scale (0 to 60°C)

Analog Outputs

• Output Type: 4-20 mA
• Output Channels: 2
• Output Ripple: < 100 mV across 250 Ω load
• Output Temperature Drift: 0.005% of full scale/°C
• Output Readback Accuracy: ±4% of full scale
• Output Current Linearity: ±0.05% of full scale nominal
• Resolution: ±0.05% of full scale
• Calibrated Accuracy: ±0.35% of full scale (25o C) including linearity
• Directly Settable Output Current Range: 0 mA, 2.9 mA to 21.1 mA
• Maximum Resistive Load (24 V supply = 22 VDC through 28 VDC): 760 ohms
• Maximum Output Compliant Voltage (24 V supply = 22 VDC through 28 VDC): 16 V
• Maximum Open Circuit Voltage: 18 V
• Response Time (DAC input code to output): 1 mS
• Gap (0 mA) of Output to Field on Switchover: 15 mS max.

Digital Inputs

• Input Channels: 2
• DI Power Voltage Range: 22 to 28 VDC
• ON Sense Voltage/Current: 13 VDC (min.) or 6.12 mA (min.)
• OFF Sense Voltage/Current: 5 VDC (max.) or 2.1 mA (max.)
• Input Impedance: 4.6K
• Absolute Delay Across Input Filter and Isolation: 1.78 mS
• Field Resistance for Guaranteed ON Condition: 300 Ω max. @ 15 VDC
• Field Resistance for Guaranteed OFF Condition: 30 KΩ min. @ 30 VDC

For more Honeywell CC-PSV201 details, please download or read the PDF online:  EP03-540-511-V1-IO-Specification_Turbo

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