Worcester actuation systems – Flowserve DFC17 User Manual
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DataFlo Digital Electronic Controller DFC17 Installation, Operation and Maintenance Instructions
WCAIM2026
Flow Control Division
Worcester Actuation Systems
Default Values for Process Control
Parameter
Analog Module
Thermocouple Module
RTD Module
Communications Addr
1
Proportional Term
1,000
Integral Term
60
Derivative Term
0
Motor Cycle Interval
1.5 seconds
0Filter Time
0.8 seconds
Backlash Time
600 ms
Gear Torque Time
0 ms
Dead Band
0.5 units
Controller Action
RISE
Cycle Interval Reset
ON
Process Low Alarm
0
(see note 1)
-100°C
Process High Alarm
100
(see note 1)
+350°C
Invalid Process Reading Action
NONE (ignore)
Invalid Shaft Reading Action
NONE (ignore)
Lower (Ya) Limit
0%
Upper (Ye) Limit
100%
Brake Time
0.25 seconds
Lower Travel Alarm
0%
Upper Travel Alarm
100%
Communications Baud Rate
38,400 bps
Process Signal Selection
Pr1
Process Lower Engineering Units
0
(see note 1)
-100°C
Process Upper Engineering Units
100
(see note 1)
+350°C
Setpoint Lower Engineering Units
0
(see note 1)
-100°C
Setpoint Upper Engineering Units
100
(see note 1)
+350°C
Note 1: For the thermocouple module, default values depend on the type of thermocouple used. The maximum range will be used for the
thermocouple type selected. See Temperature Range Table for a list of maximum range values.