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8.5.3.7
Controlled stop, EMERGENCY STOP category 1
EMERGENCY STOP category 1 for controlled stop according to EN 60 204. This function stops
the drive by means of a rapid stop using a deceleration ramp that must be parameterized.
Note
The active infeed allows the drive to always be controlled as long as the power system can
absorb energy.
8.6
Fault and system messages
8.6.1
External alarms and faults
With the optional terminal blocks TM15/TM31, there are 24 terminals. You can select the
following with SCOUT:
1. Any messages that should be displayed.
2. Protection devices that should be triggered.
The list of parameterized faults and alarms can be found in the List Manual in the "Faults and
alarms" section.
8.6.2
Message from the grounding switch
Switching statuses "MPGS safe ON" and "MPGS safe OFF".
The switching status of the make-proof grounding switch is indicated to the sequencer (D455
or CU320) by the messages "MPGS safe ON" and "MPGS safe OFF" via a TM15 module.
These messages are required for displaying the status and for interlocking the circuit-breaker.
Enabling the drive
The doors of the power unit are unlocked under the following conditions:
● The serial link of "Safe On messages".
● The potential-free contacts of the make-proof grounding switch.
● The enable signal of the open-loop/closed-loop control
SINAMICS SM150 6SL3845-7NN46-7AA2
Operating Instructions Rev.201910281345 EXAMPLE
8.6 Fault and system messages
Operation
127
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