Flowserve DFC17 Manuel d'utilisateur télécharger pdf (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).

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Flowserve DFC17 Manuel d'utilisateur Page 13