Emergency Stop Input And Output; Emergency Stop Status Leds - nVent SCHROFF Rack Safety Plus 3 U User Manual

3.2

Emergency Stop Input and Output

An additional emergency stop push button can be connected to the system at the
"Emergency Stop" input (14).
If no additional emergency stop push button is connected, the socket must be terminated
with a jumper plug. (Scope of delivery)
The "Emergency Status" connector can be used to transfer status signals to other devices.
The Emergency Status plug connector provides a relay output with the status of the safety
relay. If the AC and DC outputs are enabled, the relay output (pin 1+2) is closed. If the
emergency stop function is triggered, the safety relay interrupts the relay contact.
If the outputs are not enabled via the Output ON/OFF button, the relay output is permanently
open.
Emergency Stop (DSUB9)
Pin 1&6 Emergency stop input circuit 1
Pin 2&7 Emergency stop input circuit 2
Emergency Status (Lumberg KFV 40)
Pin 1&2 Relay output status safety relay
Max. voltage = 24 VDC or 24 VAC
Max. current = 4 A

3.2.1 Emergency Stop Status LEDs

The emergency stop system is powered by a
dedicated power supply. The presence of the
supply voltage for the emergency stop system
is signaled by the green "Power" LED.
The red "Error" LED signals if one of the power
contactors got stuck.
Date: 2023/06/16 Page
: 20 of 26