7 Configuring example 11.03
7.3 Safety Integrated with SPL
© Siemens AG 2003 All Rights Reserved
7-384 SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
NCK
PLC
Q48.2
O1
PLC
I76.4
M
K1
+24V
-230V
13
13
14
14 22
22
21
21
K2
Fig. 7-8 Disconnecting the power
Emergency Stop is acknowledged through two channels using an
acknowledgment button. This is connected to the +24 V power supply. The
safety guidelines published by the German Institute for Occupational Safety
state that this switch must be configured using two channels.
If additional checkback signals (e.g. AS1/AS2) have to be included in the
acknowledgement function, then these contacts should be included in the 24 V
power supply of the two-channel acknowledgement button.
PLC
NCK
I4
I76.3
11
21
12 22
Acknowledge-
ment switch
+24V
Fig. 7-9 Emergency Stop acknowledgment
Circuit diagram
Description
Circuit diagram
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