Flowserve DFC17 - Manual (Page 3)

WCAIM2026 DataFlo Digital Electronic Controller DFC17 Installation, Operation and Maintenance Instructions 3
4.7 Auto-Tuning Safety Considerations 21
4.7.1 Things to Know Before Tuning 21
4.7.2 Safety Concerns During Operation 21
4.8 Controller Setup 21
4.8.1 General Setup 21
4.8.2 Tuning the Controller Automatically (Open-Loop Tuning) 21
4.8.3 Tuning the Controller Manually 22
4.8.4 Some Guidelines for Control Parameters 22
5.0 TECHNICAL DATA 23
5.1 Allowable Supply Voltage Range 23
5.2 Analog Input Circuit Specifications 23
5.3 Output Circuit Specifications 23
5.4 Input Circuit Load Resistances 23
6.0 TROUBLESHOOTING 24
6.1 General 24
6.1.1 Cam Adjustment 24
6.1.2 Check Fuse F1 24
6.1.3 Check Basic Actuator for Proper Operation 24
6.1.4 Check for Noise Problems 24
6.1.5 Replace Circuit Board 24
6.2 Symptom Table 25
6.3 Troubleshooting Guidelines 26
Flow Control Division
Worcester Actuation Systems