Siemens SINUMERIK 840D sl Manual page 176

Signal Interconnection
6.3 Application 3
Smart Line Module operation
The Smart Line Module without DRIVE-CLiQ interface is not switched on/off using a Drive
Object of the NCU. The control is performed exclusively using terminals on the Smart Line
Module, for example, from a PLC or hardware controller.
Interconnection of the PLC input signals
● "Infeed Ready" (SLM terminal X21.1)
● "Infeed PreWarning" (SLM terminal X21.2)
Interconnection of the PLC output signals
● "Infeed Reset" (SLM terminal X22.3)
6-8
Notice
The described control is made with standard signals with regard to the safety
engineering. If the appropriate safety categories must be satisfied, the control must be
made in accordance with the required safety categories using a safety controller.
Infeed operational
Overtemperature prewarning
Reset of a pending fault
Guide for the SINUMERIK 840D sl machine configuring
Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0