Protection And Monitoring Functions Of Internal Components; Protection And Monitoring Functions For External Components; Power Unit; Product Features - Siemens SINAMICS GL150 Operating And Installation Instructions

3.2.3

Protection and monitoring functions of internal components

The internal components of the converter have the following protection and monitoring
functions:
● Converter protection based on monitoring systems:
● Shutdown in the event of semiconductor failure
● Shutdown in the event of control component failure
● Internal protection functions for the control hardware
● Protection against communication failure between the closed-loop control and the power
● Anti-condensation heating
3.2.4

Protection and monitoring functions for external components

Transformer and motor can be monitored in the drive. A fast protective shutdown that you can
activate for external problems, e.g. short-circuits, is present.
3.3

Power unit

3.3.1

Product features

In the standard version, the power unit has the following product features:
● Simple configuration
● Relatively low semiconductor requirements
● Fuseless design
● Line-side converter
● Motor-side converter
● Voltage actual value sensing on the motor side
● DC-link-side and machine-side actual current value acquisition
SINAMICS GL150 6SL38503UM114PA0Z
Operating Instructions 04/2017
– Current monitoring
– Output voltage monitoring
– Indirect thermal monitoring of the DC link reactor
– Supply voltage monitoring
– Circuit breaker monitoring
– Monitoring the fans
unit
Description
3.3 Power unit
29