Rockwell Automation Publication 2198-UM002G-EN-P - February 2019 319
Kinetix 5700 Safe Torque-off Function Chapter 9
Figure 146 - Insert the 2198-xxxx-ERS3 (series A) Safety Connector Plug
Install 2198-xxxx-ERS4 and 2198-xxxx-ERS3 (series B) Safety Connector Plugs
The safety connector plugs have two locking leavers that you push in a
clockwise direction as you insert the plugs into the drive connector. This is the
locked position. Rotate the leavers counter-clockwise to the open position to
release the connector plugs. This applies to 2198-xxxx-ERS4 and
2198-xxxx-ERS3 (series B) single-axis and dual-axis inverters.
Figure 147 - Insert the 2198-xxxx-ERS4 and 2198-xxxx-ERS3 (series B) Safety Connector Plugs
MOD–
NET–
Safety Plug
Locking Features
Off-center Push
Push the Right-hand Side
Kinetix 5700 Inverter Drive
(2198-xxxx-ERS3, series A,
inverter is shown)
Safety (STO) Connector Plug
IMPORTANT Push the locking leavers clockwise into the locked position as you insert
the STO connector plugs. Failure to do this can result in the connector
plugs pulling out of the drive connector during normal operation.
Locking Leavers in
Locked Position
Locked Position
(rotated clockwise)
Kinetix 5700 Inverter Drive
(2198-xxxx-ERS4 inverter is shown)
Open Position
(rotated counter-clockwise)
Push to Lock
Push to Lock
Push to Unlock
Safety (STO) Connector Plug
IMPORTANT The National Electrical Code and local electrical codes take precedence over
the values and methods provided.
IMPORTANT To improve system performance, run wires and cables in the wireways as
established in Establishing Noise Zones
beginning on page 70.
IMPORTANT Pins ST0-1 and ST0-5 (SB+ and SB-) are used to disable the safe torque-off
function. When wiring to the STO connector, use an external 24V supply for
the external safety device that triggers the safe torque-off request. To avoid
jeopardizing system performance, do not use pin ST0-1 as a power supply
for the external safety device.
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