Smart Positioner
YT-3100
Product Manual
Ver. 1.19
45
9.9.2
Split Range Mode (SPLIT)
This is used to set the range of the input signal to control the entire stroke of the valve. You can select
one of the four input signals that consists of 4 ~ 20 mA, 4 ~ 12 mA, 12 ~ 20 mA, and user settings
(Custom, CSt). 4 ~ 20 mA is the factory setting.
3 seconds
→
→
<UP>
→
Press <UP> or
<DOWN> button
if the above is not
displayed.
4 ~ 20 mA Control
Initial state
<UP>
→
<UP>
→
<UP>
→
4 ~ 12 mA Control
12 ~ 20 mA
Control
Custom Control
<UP>
→
<ESC>
3 times
→
4 ~ 20 mA Control
4 ~ 12 mA Control
9.9.3
Custom Split Range Zero (CST ZERO)
It is used to set the current corresponding to the zeropoint when the valve position of 0 to 100 % is
controlled by the user-set CUSTOM. For example, if the valve is controlled by 6 ~ 20 mA instead of 4
~ 20 mA, CST ZERO is 6 mA. However, the difference of the current between the origin point and the
endpoint must be greater than 4 mA.
3 seconds
→
→
→
Press <UP> or
<DOWN> button
if the above is not
displayed.
Press <UP> or
<DOWN> button
if the above is not
displayed.
<UP>/<DOWN>
→
<ESC>
3 times
→
This function is activated by saving the Split Range Mode (SPLIT) of above Section 9.9.2 as “CSt”.
