Siemens SINUMERIK 840D sl Commissioning Manual page 25

● Hardware prerequisites
Figure 3-1
IBN CNC: NCK, PLC, drive
Commissioning Manual, 07/2007, 6FC5397-2AP10-3BA0
– CompactFlash Card with software for internal HMI, NCK, PLC and drive attached in
NCU
– Dual ventilator fan/battery module (MLFB 6FC5348-0AA02-0AA0) to NCU (see
following figure)
Dual fan/battery module
Requirements for commissioning
3.2 Software and hardware requirements
25