Pneumatic Positioner
YT-1200 series
Product Manual
Ver. 1.18
38
2)
If the actuator axis moves up when input signal is increased, assemble the “Span” to lower M6 Tap
hole like the below figure.(RA)
Fig. 6-3: Span Installation (RA)
6.1.2
Rotary positioner
1)
If the actuator axis rotates clockwise when input signal is increased, in case of need, re-assemble
the CAM so that “DA(Direct Acting)” lettered surface is facing upward.
2)
If the actuator axis rotates counter-clockwise when input signal in increased, in case of need, re-
assemble the CAM so that “RA(Reverse Acting)” lettered surface is facing upward.
3)
Position the actuator to initial point.
4)
Adjust the CAM so that the engraved CAM reference line marked with “0” is placed in the center
of the span bearing and fix it by tightening the nut.
Fig. 6-4: Cam Installment (Da) Fig. 6-5: Cam Installment (Ra)
