65 / 93Issued: 20.04.2018 Version: Spez KR C4 compact V10
6 Planning
Output byte 1
6.6.1 Schematic circuit diagram for enabling switches
Description An external enabling switch can be connected to the higher-level safety con-
troller. The signals (ZSE make contact and External panic break contact) must
be correctly linked to the Ethernet safety interface signals in the safety control-
ler. The resulting Ethernet safety interface signals must then be routed to the
PROFIsafe of the KR C4. The response to the external enabling switch is then
identical to that for a discretely connected X11.
Signals
Bit Signal Description
0 NHE External E-STOP has been triggered.
0 = external E-STOP is active
1 = external E-STOP is not active
1 BSQ Operator safety acknowledged
0 = operator safety is not assured
1 = operator safety is assured (input BS = 1 and, if
configured, input QBS acknowledged)
2 SHS1 Safety stop 1 (all axes)
0 = safety stop 1 is not active
1 = safety stop 1 is active (safe state reached)
3 SHS2 Safety stop 2 (all axes)
0 = safety stop 2 is not active
1 = safety stop 2 is active (safe state reached)
4RES Reserved 13
5RES Reserved 14
6 PSA Safety interface active
Precondition: An Ethernet interface must be installed
on the controller, e.g. PROFINET or Ethernet/IP
0 = safety interface is not active
1 = safety interface is active
7 SP System Powerdown (controller will be shut down)
One second after the SP signal has been set, the
PSA output is reset by the robot controller, without
confirmation from the PLC, and the controller is shut
down.
0 = controller on safety interface is active.
1 = controller will be shut down
Fig. 6-8: Schematic circuit diagram of external enabling switch
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