Emerson Fisher 3610J Instruction Manual page 33

Instruction Manual
D200149X012
Figure 20. Schematic of Fisher 3610JP Positioner
MINOR LOOP
GAIN ADJ
FLAPPER
NOZZLE
FIXED
RESTRICTION
38A8900‐B
B1845‐1
CROSS‐OVER ADJ
RELAY
A
ZERO ADJ
COARSE
SPAN
ADJ
SUMMING BEAM
CAVITY A
CAVITY B
INPUT SIGNAL
PRESSURE
AIR SUPPLY
POSITIONER CAM
END VIEW OF
ROTARY SHAFT
RELAY BEAM
RELAY
B
RANGE SPRING
COUNTER SPRING
PIVOT A
INPUT MODULE
FEEDBACK
LEVER
PISTON
ACTUATOR
3610J and 3620J Positioners
September 2017
SUPPLY PRESSURE
NOZZLE PRESSURE
INPUT SIGNAL
OUTPUT SIGNAL
OUTPUT SIGNAL
AIR
SUPPLY
FINE
SPAN
ADJ
PIVOT
B
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