ABB AV2123000 Positioner User Manual
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HANDJACK
O2
OUTPUT GAGE (O2 PORT)
G3
SIGNAL GAGE
G1
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.
MOTION WITH
INCREASING SIGNAL
T00893A
Figure B-8. Direct Acting, Bottom Loaded,
Single Acting Tubing Example
HANDJACK
O1
OUTPUT GAGE (O1 PORT)
SIGNAL GAGE
G2
G1
NOTES:
1. RED CAM ROTATES CLOCKWISE WHEN
VIEWED FROM THE FRONT.
2. O2 PORT PLUGGED.
3. STEM MOVES DOWN WITH SIGNAL OR
SUPPLY AIR FAILURE.
MOTION WITH
INCREASING SIGNAL
T00891A
Figure B-9. Reverse Acting, Bottom Loaded,
Single Acting Tubing Example
TUBING CONNECTIONS
B - 7
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