8.
Signals (output signals)
8.1.
Feedback signals from actuator
Information
The switches can be provided as single switches (1 NC and 1 NO) or as tandem
switches (2 NC and 2 NO). The precise version is indicated in the terminal plan or
on the order-related technical data sheet.
Table 10:
Type and designation in wiring diagram
Feedback signal
Setting via limit switching
Switches: 1 NC and 1 NO (standard)
End position OPEN/CLOSED
reached
Limit switch, closing, clockwise rotation
LSC
Limit switch, opening, counterclockwise rotation
LSO
Setting via DUO limit switching
Switches: 1 NC and 1 NO (standard)
Intermediate position reached (op-
tion)
DUO limit switch, clockwise rotation
LSA
DUO limit switch, counterclockwise rotation
LSB
Setting via torque switching
Switches: 1 NC and 1 NO (standard)
Torque OPEN/CLOSED reached
Torque switch, closing, clockwise rotation
TSC
Torque switch, opening, counterclockwise rotation
TSO
Standard without motor protection
Motor protection tripped (option)
Thermoswitches
F1, Th
Travel sensor
Valve position (option)
Potentiometer
R2
27
SAI 07.2 – SAI 16.2 / SARI 07.2 – SARI 16.2
for use in nuclear power plants
Signals (output signals)
