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Common features
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02/16 MN05013001Z EN
• MST (manual start, factory setting)
The rising edge of the Reset button at the RE reset coil
causes the enable contact to close.
• CST (Controlled start)
The falling edge of the Reset button at the RE reset coil
causes the enable contact to close.
If the Manual Start (MST) or Controlled Start (CST) operating
mode is set, but the RE Reset coil is not wired, the following
message will appear because rule 15 is being broken: “MST
or CST operating mode is selected for the function block, but
the Reset is not connected”.
Parameter SUT (Startup test)
(Factory setting: No startup test)
A startup test means that the enable contact is not closed as
soon as the operating voltage is applied and the protected
area is clear. The protected area must be interrupted
expressly once beforehand. The same applies to safety gate
monitoring. In this case you first have to open the safety gate
and then close it again before the enable signal appears at
h
The precondition for this is that the safety peripherals indi-
cate a clear protected area.
h
The precondition for this is that the safety peripherals indi-
cate a clear protected area.
h
In the MST and CST operating modes, and after an error
has been detected, operation can be enabled again with
the safety function block's RE Reset coil. The precondition
for this is that the safety peripherals indicate a clear
protected area.
When using it in such a way, make sure that the reset
pushbutton is placed in a position from which the operator
can see the entire protected area.
Содержание easySafety
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