Mounting, connecting up and commissioning
3.2 Installing and commissioning the RF120C
Communications module RF120C with application blocks for S7-1200 and S7-1500
Operating Instructions, 07/2013, C79000-G8976-C328-01
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Dimensions for installation
Figure 3-1
Dimensions for installation of the S7-1200
Table 3- 1
Dimensions for installation
S7-1200 devices
Width A
Width B *
CPU
②
Width depends on the CPU being used
90 mm
45 mm
110 mm
55 mm
Signal modules
③
Width depends on the signal module being used
45 mm
22.5 mm
70 mm
35 mm
Communications
interfaces
①
e.g. RF120C
30 mm
15 mm
* Width B: The distance between the edge of the housing and the center of the hole in the DIN rail mounting clip
DIN rail mounting clips
All CPUs, SMs, CMs and CPs can be installed on the DIN rail in the cabinet. Use the pull-out
DIN rail mounting clips to secure the device to the rail. These mounting clips also lock into
place when they are extended to allow the device to be installed in a switching panel. The
inner dimension of the hole for the DIN rail mounting clips is 4.3 mm.