Siemens YASKAWA 840DI Maintenance Manual page 22

Notes on above figure
INFO
(1) Equipments
The figure shows an example of connections for Yaskawa Siemens 840DI.
Please refer to the documents published by machine tool builder for actually connected or
available equipments on your machine.
(2) CNC power supply
DC UPS module and battery module for UPS may not be installed on your machine tool builder.
Please refer to the connection diagram published by machine tool builder.
(3) Only one of the floppy disk drive and the PC card drive can be used for a CNC unit.
1.1 General connections between equipments
1-3