AUMA SA 35.1 - Signals; Feedback Signals from Actuator

8. Signals
8.1 Feedback signals from actuator
Information The switches can be provided as single switches (1NC and 1 NO), as tandem swit-
ches (2 NC and 2 NO) or as triple switches (3 NC and 3 NO).The precise version
is indicated in the terminal plan or on the order-related technical data sheet.
Type and designation in terminal planFeedback signal
Setting via limit switching
Switches: 1 NC and 1 NO (standard)
End position OPEN/CLOSED
reached
Limit switch, closing, clockwise rotationLSC
Limit switch, opening, counterclockwise rotationLSO
Setting via DUO limit switching
Switches: 1 NC and 1 NO (standard)
Intermediate position reached
Limit switch, DUO, clockwise rotationLSA
Limit switch, DUO, counterclockwise rotationLSB
Setting via torque switching
Switches: 1 NC and 1 NO (standard)
Torque OPEN/CLOSED rea-
ched
Torque switch, closing, clockwise rotationTSC
Torque switch, opening, counterclockwise rotationTSO
Thermoswitches or PTC thermistors, depending on versionMotor protection tripped
ThermoswitchesF1, Th
PTC thermistorsR3
Switches: 1 NC (standard)Running indication
Blinker transmitterS5, BL
Via potentiometer or electronic position transmitter RWG, depending on versionValve position
PotentiometerR2
Potentiometer in tandem arrangement (option)R2/2
3- or 4-wire system (0/4 – 20 mA)B1/B2, RWG
2-wire system (4 – 20 mA)B3/B4, RWG
24
SA 25.1 – SA 48.1/SAR 25.1 – SAR 30.1
Signals