Fisher 3660 - Page 9

Instruction Manual
D101402X012
3660 and 3661 Positioners
September 2015
9
Figure 2. Mounting Configurations
Input Signal Positioner Output
Direct
0.2 to 1.0 bar (3 to 15 psig)
0.4 to 2.0 bar (6 to 30 psig)
4 to 20 mA
Up to 6.2 bar (90 psig)
Reverse
1.0 to 0.2 bar (15 to 3 psig)
2.0 to 0.4 bar (30 to 6 psig)
20 to 4 mA
For split range signal refer to tables 7 and 8
ACTUATOR: AIR‐TO‐RETRACT
POSITIONER ACTION: DIRECT
(INCREASING INPUT SIGNAL INCREASES
OUTPUT PRESSURE TO ACTUATOR)
INPUT SIGNAL
AIR SUPPLY
OUTPUT
PILOT SHAFT
1
ACTUATOR: AIR‐TO‐RETRACT
POSITIONER ACTION: REVERSE
(INCREASING INPUT SIGNAL DECREASES
OUTPUT PRESSURE TO ACTUATOR)
INPUT SIGNAL
AIR SUPPLY
OUTPUT
FEEDBACK
PLATE
2
ACTUATOR: AIR‐TO‐EXTEND
POSITIONER ACTION: REVERSE
(INCREASING INPUT SIGNAL DECREASES
OUTPUT PRESSURE TO ACTUATOR)
INPUT SIGNAL
AIR SUPPLY
OUTPUT
1
ACTUATOR: AIR‐TO‐EXTEND
POSITIONER ACTION: DIRECT
(INCREASING INPUT SIGNAL INCREASES
OUTPUT PRESSURE TO ACTUATOR)
INPUT SIGNAL
AIR SUPPLY
OUTPUT
2
NOTES:
1 WHEN MOUNTING ON Baumann ACTUATORS, INSTALL FEEDBACK PLATE SO LIP IS UP. INSTALL FEEDBACK LEVER ARM
ASSEMBLY, PRELOADED, SO PILOT SHAFT IS ON TOP OF THE FEEDBACK PLATE.
2 WHEN MOUNTING ON Baumann ACTUATORS, INSTALL FEEDBACK PLATE SO LIP IS DOWN. INSTALL FEEDBACK LEVER ARM
ASSEMBLY, PRELOADED, SO PILOT SHAFT IS UNDERNEATH THE FEEDBACK PLATE.
17B9106‐B
17B9105‐B
38B0195‐B
A4035‐2