Specifications, Introduction, General specifications – Rockwell Automation 21G PowerFlex 750 Series Safe Torque Off User Manual
Page 33: Appendix a, Introduction general specifications, Appendix

Rockwell Automation Publication 750-UM002F-EN-P - July 2013
33
Appendix
A
Specifications
Introduction
This appendix provides general specifications for the Safe Torque Off Option
module.
General Specifications
Attribute
Value
Standards
IEC 60204-1, IEC 61508, IEC 61800-3, IEC 61800-5-1, IEC 61800-5-2, IEC 62061,
ISO 13489
Safety category
Cat. 3 and PL e per ISO 13849-1;
SIL CL3 per IEC 61508 and EN 62061
Power supply (user I/O)
24V DC ±10%, 0.8…1.1 x rated voltage
(1)
PELV or SELV
(1) Safety outputs need additional fuse for reverse voltage protection of the control circuit. Install a 6 A slow-blow or 10 A fast-acting
fuse.
Power consumption
4.4 watts
Safety enable SE+, SE–
24V DC, 25 mA
Safety power SP+, SP–
24V DC, 45 mA
Input ON Voltage, min
24V DC ±10%, 21.6…26.4V DC
Input OFF Voltage, max
5V
Input OFF Current, max
2.5 mA @ 5V DC
Conductor type
Multi-conductor shielded cable
Conductor size
(2)
(2) Refer to Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1.
0.3…0.8 mm
2
(28…18 AWG)
Strip length
10 mm (0.39 in.)