318 Rockwell Automation Publication 2198-UM002G-EN-P - February 2019
Chapter 9 Kinetix 5700 Safe Torque-off Function
Table 159 - Safe Torque-off Connector Pinouts
Wire the Safe Torque-off Circuit
This section provides guidelines for wiring safe torque-off connections to your
Kinetix 5700 drive.
Install 2198-xxxx-ERS3 (series A) Safety (STO) Connector Plugs
The right side of the safety connector plug requires an off-center push when
inserting it into the STO connector. This applies to 2198-xxxx-ERS3 (series A)
single-axis and dual-axis inverters.
STO Pin
Description
2198-Dxxx-ERSx
Description
2198-Sxxx-ERSx
Signal
1
Safety bypass plus signal. Connect to both safety inputs to disable safe torque-off
function.
SB+
2 10 Safe stop input channel 1, axis A. S1A
3 11 Safe stop input common, axis A. SCA
4 12 Safe stop input channel 2, axis A. S2A
513
Safety bypass minus signal. Connect to safety common to disable safe torque-off
function.
SB-
6 14 Safe stop input channel 1, axis B. N/C S1B
7 15 Safe stop input common, axis B. N/C SCB
8 16 Safe stop input channel 2, axis B. N/C S2B
9N/C N/C –
IMPORTANT STO-3 and STO-7 is common for the digital inputs, the safety inputs, and
the encoder power supply (optional).
IMPORTANT When replacing 2198-xxxx-ERS3 (series A) single-axis and dual-axis
inverters with 2198-xxxx-ERSx (series B) inverters, you must use the
series B (safety) connector plugs that are included with your series B
inverter.
IMPORTANT An off-center push is required to engage the locking features on the
bottom of the safety connector plugs and seat properly with the drive
STO connector. Failure to do this can result in the connector plug pulling
out of the drive connector during normal operation.
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