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Figure7-29 Connection of a failsafe digital input
To prevent unwanted interaction, the failsafe digital input must not perform its own self-test
with dark pulses.
7.2.11 Connecting the motor holding brake
Overview
The converter controls the motor holding brake via a digital output.
Requirement
The current or voltage rating of the digital output is suitable for connecting the motor holding
brake or a coupling relay.
Description
If the current or voltage rating of the digital output is not sucient, you must control the motor
holding brake via a coupling relay on the digital output.
The digital output that the converter is to use to control the motor holding brake must be
interconnected with the brake control signal:
• Digital outputDO0: c0730=r0899.12
• Digital outputDO1: c0731=r0899.12
• Digital outputDO2: c0732=r0899.12
Connecting
7.2Interfaces for the controller
SINAMICS G220 converter
190 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB
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