Reverse Acting, Top Loaded, Single Acting Tubing Example; Direct Acting, Bottom Loaded, Single Acting Tubing Example - ABB AV1 Operating Instructions Manual

INSTALLATION
WIRING TYPE AV2 POSITIONER
3 - 12
HANDJACK
ALTERNATE PIPING FOR
DIAPHRAGM ACTUATOR
WITH HANDJACK
O2
OUTPUT GAGE (O2 PORT)
SIGNAL GAGE
NOTES:
1. RED CAM ROTATES CLOCKWISE WHEN
VIEWED FROM THE FRONT.
2. O2 PORT PLUGGED.
3. STEM MOVES DOWN WITH SIGNAL FAILURE.
4. STEM MOVES UP WITH SUPPLY AIR
FAILURE.
Figure 3-11. Reverse Acting, Top Loaded,
Single Acting Tubing Example
HANDJACK
O2
OUTPUT GAGE (O2 PORT)
SIGNAL GAGE
NOTES:
1. BLACK CAM ROTATES COUNTERCLOCKWISE
WHEN VIEWED FROM THE FRONT.
2. O2 PORT PLUGGED.
3. STEM MOVES UP WITH SIGNAL FAILURE.
4. STEM MOVES DOWN WITH SUPPLY AIR
FAILURE.
Figure 3-12. Direct Acting, Bottom Loaded,
Single Acting Tubing Example
G3
G1
MOTION WITH
INCREASING SIGNAL
T00892A
G3
G1
MOTION WITH
INCREASING SIGNAL
T00893A