71
8.2
Connecting the SIMATIC FS600 Laser Scanner to a Safety Sequence
Circuit with Manual Restart, Relay Monitoring, without Zone Pair
Changeover
Fig. 8.2-1:
Wiring the SIMATIC FS600 Laser Scanner with external restart interlock
and relay monitoring, and without zone pair changeover
In this example, the relay monitoring is performed by an external safety module (e.g.
MSI-SR2/F). Relays K4 and K5 must be equipped with positively guided contacts. A
suitable mechanism must be provided for extinguishing sparks. Please note that doing
this will cause the switching time to be extended.
Please refer to the operating instructions for the components.
Channels “x” and “y” must be integrated for Category 3 in accordance with DIN EN 954-1.
Integrating one channel based on “z” is only permitted with a one-channel control system
and taking into consideration the results of a risk analysis.
Serial machine controls are admissible only insofar the valid regulations allow.
1 2 3 4 5 6 7
8
9 10 11 12 13 14 15
+24 V
GND
PE
a
b
K4
K5
z
z
S35 S34
S21S22
S31S1214
24
A2 A1
K5
K4
K4
K5
13 23
c
d
K4
x
x
K5
y
y
c
SIMATIC FS600 Laser Scanner
SIMATIC FS400
Auswertegerät 3RG7847
a
= Fuse 1.25 A, semi time-lag
b
= Restart button
c
= Fuse 4 A, delay-action
d
= Fuse 1 A, delay-action
Summary of Contents for SIMATIC FS600
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