Flowserve DFC17 - Manual (Page 13)

WCAIM2026 DataFlo Digital Electronic Controller DFC17 Installation, Operation and Maintenance Instructions 13
Flow Control Division
Worcester Actuation Systems
Table 4.1.1 Run Mode Menu
Display Description Units
Pr1 Process #1 signal value. Engineering
Pr2 Process #2 signal value. Engineering
Pr12 Average of process #1 and process #2 signal values. Engineering
SEt - Setpoint value. Only one of the following will be displayed: Engineering
SEtA – analog setpoint; SEtP – digital setpoint;
SEtL – local manual setpoint.
PtEr Proportional term value.
itEr Integral term value.
dtEr Derivative term value.
ALr Alarm. Alarm shown is highest priority. See Mode Change
Key Sequence table.
POS Valve position. Percent
CYCn Number of cycles. Times 1000
cycles
PHi Highest recorded process value. Engineering
PLo Lowest recorded process value. Engineering
Table 4.1.2 Mode Change Key Sequence
Press Key(s) for Three Seconds Mode Entered
SEL Program Mode.
SEL + DN Calibration Mode.
SEL + UP Manual Setpoint Mode.
SEL + DN + UP Manual Position Mode (gives access to Auto Tuning).
Table 4.1.3 Alarm Displays
Display Description
PrHi Process high limit alarm.
PrLo Process low limit alarm.
Hi Shaft upper position alarm.
Lo Shaft lower position alarm.
SHFt Invalid shaft position alarm.
Pro Invalid process value alarm.
SEt Invalid setpoint value alarm.
thEr Motor driver circuit thermal warning alarm (DC motors only).