Wiring - Allen-Bradley PowerFlex 755 User Manual

Wiring

Integrated Safety - Safe Torque Off Option Module
(catalog number 20-750-S3)
These tabs are only for
Rockwell Automation
use.
Hardwired STO Wiring and Operation
This chapter provides information for hardwired installation and operation of
the Integrated Safety - Safe Torque Off option module.
Topic
Wiring
Description of Hardwired Operation
Selection of Hardwired Operation
Configure the Drive with Hardwired Safety Connections
Timing Diagrams
Observe these wiring guidelines when installing the safety option module:
• Use copper wire with an insulation rating of 600V or greater.
• Separate control wires from power wires by at least 0.3 m (1 ft).
Table 11 - Safety Option Module Terminal Block Specifications
Wire Size Range
Max
2
0.8 mm
(18 AWG)
Table 12 - TB2 Terminal Designation
Terminal Name
Si0
SiO
SC
SC
Si1
Si1
SC
SC
SP
SP
Safety Input Connection Example
Power supply
TB2
Rockwell Automation Publication 750-UM004B-EN-P - October 2018
Wire Type
Min
2
0.3 mm Multi-conductor shielded
cable
(28 AWG)
Description
Safety input 0 Safety input 0
Safety common Safety power common
Safety input 1 Safety input 1
Safety common Safety power common
Safety power +24V DC from customer-supplied SELV/PELV safety power
SiO
Safety Input 0
SC
Safety Common
Si1
Safety Input 1
SC
Safety Common
Safety Power SP
6
Chapter
Page
75
77
77
77
78
Strip Length
10 mm
(0.39 in.)
24V DC
SELV/PELV
Supply
75