Super Systems 20PQ - Manual (Page 99)

95
Gr. 8
Run time group 8 [r.Hxx]
FEEDBACK POTENTIOMETER ADJUSTMENT
NOTE: The run time group 8 will be displayed only if the
instrument is in MANUAL mode.
- Feedback potentiometer adjustment
enabling - [r.H01]
This parameter is available only when close loop servomotor
output or open loop servomotor output with valve position
indication is configured.
Range: OFF = this selection disables the feedback
potentiometer calibration and the instrument will
come back to the first display of the run time
group 8.
On = this selection starts the feedback potentiometer
adjustment.
NOTE: No time out will be applied during
feedback potentiometer calibration procedure.
- Servomotor low limit positioning - [r.H02]
This parameter is available only when feedback potentiometer
calibration enabling [r.H01] is equal to On.
Range: 0.0% to 100.0%
The middle display will show the valve position as a percentage
of the full input span.
By
s and t push-button it is possible to modify the valve
position.
When the desired initial position has been reached, push the
FUNC push-button.
- Feedback low limit calibration - [r.H03]
This parameter is available only when feedback potentiometer
calibration enabling [r.H01] is equal to On.
Range: OFF = To skip adjustment and hold the previous value
select OFF and then push FUNC
On = To memorize the current position as feedback
low limit calibration select “On” and then push
FUNC
XKP-1-C2.p65 10/30/01, 9:37 AM 95