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A – Power board
B – Positioner board
C – Switch board
D – Torque board (except on
AQ5/10/15)
H – Heater
RD – Fault relay
PT – Position transmitter
AI – Analog input setpoint
M3 – Motor
S1 – Counterclockwise direction
(normally for opening) – For
signalization
S2 – Clockwise direction (normally
for closing) – For signalization
S3 – Counterclockwise direction
(normally for opening) – For
detection
S4 – Clockwise direction (normally
for closing) – For detection
Power board - J2 terminal