Worcester actuation systems – Flowserve DFC17 User Manual

Page 19

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WCAIM2026

DataFlo Digital Electronic Controller DFC17 Installation, Operation and Maintenance Instructions

19

Program Mode Menu

Display

Description

Mininum Value

Maximum Value

CodE

Security code for access to Program, Calibration

0000

9999

and Manual Setpoint modes.

Addr

Communications unit address

1

255

PtEr

Proportional Control Term

0000

9999

itEr

Integral Control Term

000

999

dtEr

Derivative Control Term

0000

8000

onH

Motor Cycle Interval

1.0 sec

999.9 sec

FiLT

Process Signal Filter Time

0.8 sec

60.0 sec

bLt

Gearbox Backlash Time

0 ms

9999 ms

tort

Gear Torque Time

0 ms

9999 ms

dEbA

Controller Dead Band

0.1

20.0

ACt

Controller Action – RISE or FALL

CyCr

Cycle Interval Reset – ON or OFF

FPOS

Process or Setpoint invalid reading action –

0.0%

100.0%

HOLD, NONE, or a position value.

SAct

Invalid feedback pot reading action – GOC (go clockwise),
GOCC (go counter-clockwise), HOLD, or NONE.

yA

Lower shaft position limit

0.0%

100.0%

yE

Upper shaft position limit

0.0%

100.0%

br

Brake ON time.

0.10 sec

0.99 sec

CyCn

Run Time Cycle Count (reading represents thousands of cycles).

AHi

Over-travel Alarm

0.0%

100.0%

ALo

Under-travel Alarm

0.0%

100.0%

PrLo

Process Low Alarm Value

PENL

PENU

PrHi

Process High Alarm Value

PENL

PENU

bAUD

Communications Baud Rate

1200 bps

38.4 Kbps

PrS9

Process Signal Selection – PR1, PR2, or BOTH

PEnL

Process Engineering Units Range (Lower)

-999

999

PEnU

Process Engineering Units Range (Upper)

-999

999

SEnL

Setpoint Engineering Units Range (Lower)

-999

999

SEnU

Setpoint Engineering Units Range (Upper)

-999

999

PrSt

Restore Default Parameters (YES or NO)

Note: A decimal point may be entered when entering PEnL and PEnU values, if the controlled range falls between -99.9 and 99.9. This has the
effect of improving resolution for small process ranges (i.e., 0.0 to 10.0 GPM). See Controller Specification on floppy disk for more detail.

Flow Control Division

Worcester Actuation Systems

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