IM-P704-03
CTLS Issue 3
4
PP6 Positioner
2. Connection – Air
2.1 Single acting actuator (side mount positioner)
2.1.1
Piping and span direction setting for linear DA single actuator
Move upward at pneumatic failure
Direct action
Note: For central mount, reverse Span lever
Reverse action
Note: For central mount reverse the Span
lever
Supply
When increasing
input signal
DA
actuator
Move upward at pneumatic failure
RA
actuator
When increasing
input signal
Supply
Span
Signal
Signal
2.1.2
Piping and span direction setting for linear RA single actuator
2.1.3
Piping and cam direction setting for rotary single actuator
Move downward at pneumatic failure
Move downward at pneumatic failure
When increasing
input signal
When increasing
input signal
Direct action
Note: For central mount reverse the Span
lever
Reverse action
Note: For central mount reverse the Span
lever
Direct action
Reverse action
RA
actuator
RA
actuator
Signal
Supply
Span
Supply
Signal
Bearing
Supply
When increasing
input signal
When increasing
input signal
Span
Cam
Span
Cam
Bearing
Supply
Signal
Signal