Flowserve Pulsair III Digital User Manual

Page 11

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20

Worcester Controls Pulsair III Digital Electronic Positioner FCD WCAIM2056-00 - 08/04

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21

Worcester Controls Pulsair III Digital Electronic Positioner FCD WCAIM2056-00 - 08/04

Speed of movement is too fast. Adjust with the damper screws. Press OK. Repeat the

adjustment and press OK until the speed is correct. If there is an abort, the calibration

sequence must be restarted.

The contents of the menu are shown on subsequent pages. The various menu texts are

described below.

Auto-Cal Auto-tuning and calibration of end positions

Start tune Starts the tuning. Questions/commands are displayed during calibra-

tion. Select the type of movement, function, etc. with the down arrow and confi rm

the OK as shown in the chart on the next page.

Lose prev value? OK? A warning that the value set previously will be lost (not

during the fi rst auto-tuning).

Actuator? Rotating Select for rotating actuator.

Actuator? Linear Select for linear actuator.

Actuator single act Select for single-acting.

Actuator double act Select for double-acting.

Direction? direct Select for direct function.

Direction? reverse Select for reverse function.

In service? Press OK Calibration fi nished. Press OK to start positioner function-

ing. (If ESC is pressed, the positioner assumes the “Out of service” position but the

calibration is retained).

TravelCal Calibration of end position

Start cal Start end position calibration

Lose prev value? OK? A warning that the previously set value will be lost. Confi rm

with OK. The calibration sequence starts.

In service? Press OK Calibration fi nished, Press OK to start positioner function-

ing. (If ESC is pressed, the positioner assumes the “Out of service” position but the

calibration is retained).

Perform Setting gain

Normal 100% gain

Perform 50%, 25%, 12%, L, M, S Possibility to select a lower gain in steps

L, M, S Preset values for L, M, S actuators

Factory set Resets all set values and enters Factory Mode. Should only be used by

authorized staff.

Note: Original P.I.D. will always be shown in display.

CALIBRATE
AutoCal

AutoCal
Start tune

TravelCal
Start cal

LOSE PREV
VALUE? OK?

Calibration

in progress

LOSE PREV
VALUE? OK?

Actuator
single act

OK

OK

OK

IN SERVICE?
Press OK

IN SERVICE?
Press OK

Perform
normal

OK

OK

OK

Actuator?
rotating

Actuator?
linear

Direction?
direct

Actuator
single act

Perform
50%

Perform
Factory set

25%

12%

L

Direction?
reverse

CALIBRATE
TravelCal

CALIBRATE
Perform

CALIBRATE
ExpertCal

Calibration

in progress

OK

OK

OK

OK

OK

OK

OK

OK

M

S

Set point LO: Use the calibrator set to 4 mA (or set another
value on the display). Press OK.
Set point HI: Use a calibrator of 20 mA (or set another value
on the display). Pess OK. Pressure read out only possible on
Pulsair III with built-in pressure sensor.
Pressure LO: Use a supply of 30 psi (2 bar) (or set another
value on the display). Press OK.
Pressure HI: Use a supply of 105 psi (7 bar) (or set another
value on the display). Press OK.
Temp: Calibrate using a known temperature.
Aux input LO: Use the calibrator and a power supply of 4 mA
(or set another value on the display). Press OK.
Aux input HI: Use a supply of 20 mA (or set another value on
the display). Press OK.
Pot: Potentiometer setting, if its position relative to the gear
segment has been changed. See Section 8.
Full reset: Resets all the set values.

All of these values are set at the factory before delivery and
should not normally be changed.

OK

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