Inovance IS810N-INT Series - Application Example of the STO Function

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IS810N-INT Series Servo System User Manual (Brief)Chapter 4 Wiring
4.6.1 Application Example of the STO Function
Figure 4-18 Example 1
Emergency
stop button
(double
contact)
Category 3 IEC 13849
24 V
STO1+
STO2+
Max. SIL 3 PL e
STO1-
STO2-
0 V
1
3
2
4
NOTE: THE FINAL SYSTEM PL
IS AFFECTED BY EXTERNAL
CABLE APPLICATION.
CONSIDERATION MUST BE
GIVEN TO FAULT EXEMPTION.
Figure 4-19 Example 2
Safe PLC connection Category 3 IEC 13849
Max. SIL 3 PL e
NOTE: THE FINAL SYSTEM
PL IS AFFECTED BY THE
SAFETY LEVEL OF THE
EXTERNAL SAFETY PLC.
1
3
STO1+
STO2+
2
4
Safety
output
1
Safety
output
2
Safety PLC
Pulse output
mode
STO1
-
STO2-
Figure 4-20 Example 3
Startup
emergency
stop
Class 1 stop
Safety timer
STO
signal
termination
SaS
af
ety
00000
0
00000
0
STO1+
STO2+
Drive stop
Safety
device