Control and controller functions 23
3.3 To ensure safe operation of the controller
Basically, electronic equipment is not failure-proof. The user is responsible for ensuring that the drive is in
a safe condition in the case of controller failure. It is essential to observe the following three instructions:
The
spring-loaded safety brake
must be operated without delay through the relay "MB". This
is the only way to ensure smooth control actions from the controller.
The
main contactor "K0"
has to be switched on and off without delay together with the
relay
"RB"
. This is the only guarantee that the main contactor is switched in the currentless state
and enables start-up and stopping without jerk.
In case of trouble, i.e. when the relay "ST" is released, the control has to make sure that the
mechanical brake and the main contactor are immediately switched off.
Содержание ZETADYN 1DV Series
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