Rockwell Automation Publication 2198-UM002G-EN-P - February 2019 323
Kinetix 5700 Safe Torque-off Function Chapter 9
Hardwired Safe Torque-off Electrical Specifications
Table 161 - Hardwired STO Electrical Specifications
For additional information regarding Allen-Bradley® safety products, including
safety relays, light curtain, and gate interlock applications, refer to the Safety
Products Catalog, website http://www.rockwellautomation.com/global/
catalogs/overview.page.
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.
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.
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
(2)
(2) 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 μs
External power supply
(1)
(1) 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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