Fig. 16: Series connection of one HOLDX master and one HOLDX slave.
The HOLDX Termination Plug R120 (SP-X-71-002-06) must be connected to terminal X2 of the last slave.
The safety outputs Pin 2 (X1) and Pin 4 (X1) of the HOLDX master are connected to a safety evaluation unit. The serial outputs Serial OUT Pin 7 (X1) and Pin 8 (X1) of the HOLDX master
and the inputs serial IN Pin 5 (X1) and Pin 6 (X1) are connected to a PLC.