Fisher 3660 Instruction Manual page 9

Instruction Manual
D101402X012
Figure 2. Mounting Configurations
1
PILOT SHAFT
ACTUATOR: AIR‐TO‐RETRACT
POSITIONER ACTION: DIRECT
(INCREASING INPUT SIGNAL INCREASES
OUTPUT PRESSURE TO ACTUATOR)
1
ACTUATOR: AIR‐TO‐EXTEND
POSITIONER ACTION: REVERSE
(INCREASING INPUT SIGNAL DECREASES
OUTPUT PRESSURE TO ACTUATOR)
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
Input Signal
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
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
OUTPUT
AIR SUPPLY
INPUT SIGNAL
OUTPUT
AIR SUPPLY
INPUT SIGNAL
Positioner Output
Up to 6.2 bar (90 psig)
2
FEEDBACK
PLATE
ACTUATOR: AIR‐TO‐RETRACT
POSITIONER ACTION: REVERSE
(INCREASING INPUT SIGNAL DECREASES
OUTPUT PRESSURE TO ACTUATOR)
2
ACTUATOR: AIR‐TO‐EXTEND
POSITIONER ACTION: DIRECT
(INCREASING INPUT SIGNAL INCREASES
OUTPUT PRESSURE TO ACTUATOR)
3660 and 3661 Positioners
September 2015
OUTPUT
INPUT SIGNAL
AIR SUPPLY
OUTPUT
INPUT SIGNAL
AIR SUPPLY
9