Worcester actuation systems – Flowserve DFP17 User Manual
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WCAIM2037
DataFlo Digital Electronic Positioner DFP17 Installation, Operation and Maintenance Instructions
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Flow Control
Worcester Actuation Systems
4.3.13 Power-On Position and Delay Time
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4.3.14 Electronic Positioner Rotation Limits (Electronic Travel Stops)
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4.3.15 Tight Valve Shutoff
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4.3.16 Full Open Operation of Valve with Open Travel Limit Set
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4.3.17 Brake On Time
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4.3.18 Restore Factory Default Values
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4.3.19 Run Time Cycles for Maintenance
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4.3.20 Alarm Functions
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4.4 Local Mode
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4.5 Feedback Calibration Routine and Cycle Time Measurement
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4.5.1 For Microchip U5 or U3 Rev. V2.12 and Newer
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4.5.2 For Microchip U5 or U3 Rev. V2.11 and Older
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4.6 Run Mode
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4.6.1 Valve Position Screen
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4.6.2 Input Setpoint
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4.6.3 Cycle Count
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4.6.4 Deadband Readout
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4.6.5 CW and CCW Travel Time Readout
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4.6.6 Alarm Status Readout
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4.6.7 Changing Operating Modes
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4.7 Default Values (Factory Installed)
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4.8 Calibrating and Programming the Digital Positioner
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4.8.1 Programming Switches
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4.8.2 Programming the Positioner Board
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4.8.3 Programming the FrE1, FrE2, FrE3, and FrE4 Curves
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4.9 RS-485 Communications
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4.9.1 Packet Communications Software
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4.9.2 RS-485 Connection
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4.9.3 Communications Software
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4.9.4 Serial Port Setup
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4.9.5 Monitor Display
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5.0 TECHNICAL DATA
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5.1 Allowable Supply Voltage Range
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5.2 Input Circuit Specifications
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5.3 Output Circuit Specifications
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5.4 Input Circuit Load Resistances
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6.0 APPLICATION NOTES
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6.1 Bypass Switch for Manual Control (For 120 VAC Only)
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7.0 TROUBLESHOOTING
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7.1 General
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7.1.1 Cam Adjustment
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7.1.2 Check Fuse F1
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7.1.3 Check Basic Actuator for Proper Operation
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7.1.4 Check for Noise Problems
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7.1.5 Replace Circuit Board
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7.2 Symptom Table
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7.3 Troubleshooting Guidelines
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