Pneumatic Positioner
YT-1200 series
Product Manual
Ver. 1.18
33
5.4
Connection – Piping with actuator
5.4.1
Single acting actuator
Singe acting type positioner is set to use only Out1 port. Out1 port of positioner should be connected
with port of actuator when using spring return actuator of single acting type.
As input signal ampere increases, the supply air pressure will be supplied through Out1 port.
Fig. 5-1: Single acting linear actuator
Fig. 5-2: Single acting rotary actuator
Refer to below diagram and check whether if the valve is a “Reverse Acting” or “Direct Acting”. Then
connect positioner’s OUT1 port to the proper actuator’s port and in case of need, switch the assembly
position of the Span (Linear) and Cam (Rotary).
Fig. 5-3: Setting directions of piping and span for linear DA single actuator
