Siemens Sinumerik 801 Technical Manual page 24

Start-Up
Step drives
2-8
Fig. 2-7 Mounting hole dimensions
To install the drive modules, proceed as follows (see vertical installation
diagram shown in Fig. 2–8):
1. Screw in the upper fastening screws M5 with spring washer and spacer.
2. Hang the module into the clips of the upper fastening bracket.
3. Screw in the lower fastening screws and tighten all screws.
Vertical installation (recommended)
90 (100*)
>100
12 34
Install with M5 screws, spacers and spring washers
Fig. 2-8 Mounting dimensions for stepper drives
Horizontal installation
176 (180*)
71 (73*)
PE rails
Changed installation angle
Without forced cooling
>50
SINUMERIK 801
Start-Up