302 Rockwell Automation Publication 2198-UM002L-EN-P - October 2021
Chapter 9 Kinetix 5700 Safe Torque-off Function
Hardwired Safe Torque-off Electrical Specifications
For additional information regarding Allen-Bradley® safety products,
including safety relays, light curtain, and gate interlock applications, refer to
https://ab.rockwellautomation.com/Safety
.
Integrated Safe Torque-off This section introduces you to the Kinetix 5700 safe torque-off (STO) feature
over the EtherNet/IP network that meets the requirements of Performance
Level e (PL e) per ISO 13849-1 and SIL 3 per IEC 61508, IEC 61800-5-2, and IEC
62061. Integrated STO applies to 2198-xxxx-ERS3 and 2198-xxxx-ERS4 dual-
axis and single-axis inverters.
In Integrated STO mode, the GuardLogix® safety controller issues the STO
command over the EtherNet/IP network and the 2198-xxxx-ERS3 and
2198-xxxx-ERS4 dual-axis and single-axis inverters execute the STO command.
Compatible Safety Controllers
A GuardLogix 5570 or Compact GuardLogix 5370 safety controller is required
for integrated safety control of the Kinetix 5700 safe torque-off function.
The Studio 5000 Logix Designer application, version 26.00 or later, provides
support for programming, commissioning, and maintaining Logix 5000™
safety controllers with Kinetix 5700 drive systems.
The safety connection can originate from either of these controller
configurations:
• Single safety controller that provides both safety and motion control
• Safety controller that controls only the safety, while a separate
ControlLogix 5570, ControlLogix 5580, CompactLogix 5370, or
CompactLogix 5380 controller that controls motion
IMPORTANT
To maintain their safety rating, Kinetix 5700 inverters must be installed
inside protected control panels or cabinets appropriate for the
environmental conditions of the industrial location. The protection class
of the panel or cabinet must be IP54 or higher.
Table 167 - Hardwired STO Electrical Specifications
Attribute Value
Safety inputs
(per channel)
Input current < 10 mA
Input ON voltage range 18…26.4V DC
Input OFF voltage, max 5V DC
Input ON current, per input, max
10 mA, each drive
(1)
(1) The maximum number of drives cascaded with safe torque-off wiring is 50.
Input OFF current, max
(@ V in < 5V DC)
2 mA
Pulse rejection width 700 s
External power supply
(2)
(2) SELV or PELV rated power supplies must be used to energize external safety devices connected to the Kinetix 5700 safety
inputs.
SELV/PELV
Input type Optically isolated and reverse voltage protected
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