Installing
5
The PPU 1740 package contains the following elements:
● PPU1740
● Bag of clamps 
● Accessory bag (I/O and power supply connectors)
● Wiring diagram
● Safety instructions
Installation notes
The PPU modules and components may only be installed in housings, cabinets or in isolated 
electrical operating areas. Housings, cabinets, or isolated electrical operating areas may only 
be accessed by trained or authorized personnel.
DANGER
Risk of electric shock
The entire system must be voltage-free when mounting or wiring the SINUMERIK ONE  PPU 
1740.
Note
If the equipment is not used in a manner specified by the manufacturer, the protection provided 
by the equipment can be impaired.
Components in the control cabinet
The SINAMICS components and the axis expansion modules are installed in a control cabinet.
References
Notes for mounting components of the SINAMICS S120 product family are contained in the 
following manuals: 
● SINAMICS S120 Booksize Power Units Manual
● SINAMICS S120 Combi Manual
For further details on the control cabinet installation, refer to: 
● "Control Cabinet Integration, SINAMICS S120 Booksize / SIMODRIVE" System Manual
PPU 1740
Equipment Manual, 01/2019, A5E47615272B AA  51