33
Smart valve positioner
TS800/TS805 Series
tissin
6.3 How to quickly perform Auto calibration
Open the cover of the product and follow below steps to perform Auto calibration.
①
Please input current signal
18mA
, then press
<UP>
button for 3 seconds.
②
The positioner automatically performs Auto calibration.
③
Auto Calibration is performed sequentially from STEP 1 to 7 on LCD, and may take
2-5 minutes depending on the valve size.
NOTICE
If an error occurs during Auto calibration, please refer to Error codes on page 49 to 50.
6.3.1 Auto calibration Steps
When you progress auto calibration, it automatically proceed in the following steps below.
Steps
Description
STEP0
Check ZERO point of the valve speed.
Checked at the reference point of valve stops.
STEP1
Find ZERO point of the valve stroke.
STEP2
Find END point of the valve stroke.
STEP3
Measure the valve fully open time.
Measure the time of the valve takes from full close to full open.
STEP4
Measure the valve fully close time.
Measure the time of the valve takes from full open to full close.
STEP5
Measure Low BIAS
Measure the motor signal reference value, when the position of valve at
25%.
STEP6
Measure High BIAS
Measure the motor signal reference value, when the position of valve at
75%.
STEP7
Measure maximum error value.
