Electro-Pneumatic Positioner SP 520 Series
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Ver 1.20
41
SHIN HWA Eng.Co.,Ltd.
③
LOCK MODE : If completing calibration, DIP Switch shall be changed into 0,0 or 1,1 , and it
must not be changed even though the button is pushed with mistakes.
‧
4mA/DN : 4mA setting and in calibration mode DOWN button
‧
8mA : 8mA setting button
‧
12mA : 12mA setting button
‧
16mA : 16mA setting button
‧
20mA/UP : 20mA setting and in calibration mode UP button
‧
4mA/DN + 20mA/UP : calibration mode
‧
4mA/DN + 12mA + 20mA/UP : Initial mode
5-9-2 Calibration Method
①
In Power On, POWER LED should be
“ON” status basically.
②
In case that LED extinguish fast, POTENTIOMETER status pass off range value than ZERO/
SPAN Setting value .
③
First set LOCK / 2POINT / 5POINT
’s MODE.
④
4mA/8mA/12mA/16mA/20mA setting : Position the valve at 0%, 25%, 50%, 75%, 100%,
respectively, and press each switch for 3 seconds to set. At this time, the LED flashes 3 times
and then the default State.
⑤
when setting 2POINT, ZERO/SPAN
’s value adjustment can be switched into adjustment mode if
pushing calibration mode button (DN+UP) for 3 second, in this case, the adjustment processing
is as followings.
Since the current fluctuates while the LED is blinking, the setting is proceeded with the blinking
stopped.
⑥
When setting 5POINT, the value adjustment can be switched into adjustment mode if pushing
calibration mode for three second. In this time, the adjustment process is as followings.
Fig 5-8 : MODE and setting switch
