Allen-Bradley PowerFlex 525 Original Instructions Manual page 46

PowerFlex 520-Series AC Drive Specifications
Example 3 – Safe-Torque-Off Connection with Coast-to-Stop Action Using External +24V supply, SIL 3/PL e
Stop Category 0 – Coast
Open
Closed
(1) Enclosure Recommended. Note: External wiring failure modes must be considered as described in EN ISO 13849-2. Enclosure or other measure to exclude these failure modes should be used.
46
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(1)
External +24V DC
Reset
A1 S11 S52 S12 13 23 33 41
MSR127TP
S21 S22 S34 A2 14 24 34 42
24V DC COM
Rockwell Automation Publication 520-TD001E-EN-E - July 2016
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Industry Automation
AC line
input power
PF 525
+24V DC
Stop
Start
COM
Gate control
power supply
Gate control
circuit
S1
S2
X1 AUX
13 23 33
X2
A1 Coil
14 24 34
A2
External 100-C
contactor 100S-C
M
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