Span Calibration - SMC Networks IP8001 Series Operation Manual

4. Span Calibration

Automatically perform zero point / span adjustment and PID
＊
8
constant .
< Adjustment >
Devicd set up → Detailed set up → Set up → Calibration → Span
Calibration → Full Calibration
[Menu Tree No.：1-3-5-5-5-1]
No.
"Calibration Start?" is displayed. Press "OK" after confirming
1
no danger exists even if actuator starts operation
Zero/span adjustment starts and operates automatically
2
"Span Calibration is now in Progress" is displayed.
After actuator operation stopped, confirm "Cal Error States".
3
If "No Error" is displayed, adjustment is completed.
8: Actuators which take 1 sec. or more per 0.12 degree after beginning
to move can not normally be provided with span adjustment. Such
actuators cannot be combined with this positioner, and this fact
should be noted.
Warning
!
9: When "OK" is pressed, the actuator is fully opened or closed, so avoid
touching the actuator or positioner to prevent injuries. Also, the
actuator operates during adjustment and neither it nor the positioner
should be touched until adjustment is completely finished.
10: Adjustment might take up to 2min. Actual time will vary depending
on the actuator capacity.
Readjust according to the following procedure if the "No
Error" is not displayed after the adjustment, which means it
has not been performed correctly.
< "Balance current" is displayed in error status
No.
When "Balance current" is displayed, confirm balance current
1
according to "Balance current confirmation"
After turning the balance adjustment screw so that
displayed value becomes "0". Then, automatically adjust
2
PID according to "PID + BC adjustment".
When "No Error" is displayed in "Cal Error States" after
3
automatic adjustment, adjustment is completed.
11: When the balance current is confirmed, figure from -7 to +7 is
displayed. The closer to "0", the more correct the adjustment is.
When the actuator open degree is out of 50+/-2%, "+99" or "-99" is
displayed. If the value is positive, turn the adjustment screw
clockwise, if negative, counterclockwise so that the displayed value
becomes "0". If balance adjustment screw is turned, it takes a few
seconds for adjustment condition to be stabilized. Do not turn the
balance adjustment screw until the result is fixed.
2020
Procedure
＊
11
>
Procedure
＊
12
.
No.IP8S-OM00013
A
＊
9
.
＊
10
.