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VACON® NXP Advanced Safety Options
Installation Guide
Button/Device used
to give the
acknowledgement *
Illustration 11: Emergency Stop Configuration with the STO Function and Safe Acknowledgment
* = For some devices used for acknowledgment, additional wiring is required.
Danfoss A/S © 2021.08
Emergency
STO
stop switch
STO
Advanced safety
option board
X4-11 (DIN1A)
X4-12 (DIN1B)
X3-9 (+24 V)
X4-13 (DIN2A)
Ack.
X4-14 (DIN2B)
X3-3 (GND)
X3-4 (GND)
X3-1 (STO 1)
X3-2 (STO 2)
SD2+
STO
option board
SD1+
OPTAF
SD2-
SD1-
Commissioning
AN384043247178en-000101 / DPD01919 | 21
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