Allen-Bradley PowerFlex 525 Original Instructions Manual page 41

Connection Examples
Example 1 – Safe-Torque-Off Connection with Coast-to-Stop Action, SIL 2/PL d
Stop Category 0 – Coast
Gate
E-Stop
latching
button
(1) Safety relay and PowerFlex 525 must be installed in the same enclosure.
(2) In some situations, a safety relay is not required if both the switch and PowerFlex 525 are installed in the same enclosure.
+24V DC
GuardMaster
Trojan
A1 S21 S11 S52 41 13 23 33
MSR
A2 S22 S14 S34 42 14 24 34
24V DC
common
(1)
GuardMaster
Gate
Trojan
E-Stop
latching
button
(2)
Rockwell Automation Publication 520-TD001B-EN-E - June 2013
PF 525
+24V DC
Stop
Stop
Start
Start
Gate control
power supply
Gate control
circuit
S1
S2
AC line
input power
PF 525
+24V DC
Stop
Stop
Start
Start
Gate control
power supply
Gate control
circuit
S1
S2
M
PowerFlex 525 AC Drive Specifications
AC line
input power
M
41