Name: Siemens SIMATIC S7-1200 CP 1243-8 IRC
Brand: Siemens
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Installation, connecting up, commissioning

3.2 Installing, connecting up and commissioning

CP 1243-8 IRC

50 Operating Instructions, 02/2018, C79000-G8976-C385-03

Pulling/plugging the module

NOTICE

Turning off the station when plugging/pulling the module

Before pulling or plugging the module, always turn off the power supply to the station.

Dimensions for installation

Figure 3-1 Dimensions for installation of the S7-1200

Table 3- 1 Dimensions for installation (mm)

S7-1200 devices

Width A

Width B *

CPU (examples)

CPU 1211C, CPU 1212C

90 mm

45 mm

CPU 1214C

110 mm

55 mm

Communications inter-

faces (examples)

CM 1241, CM 1243-5, CM 1242-5

30 mm

15 mm

CP 1242-7, CP 1243-1, CP 1243-7, CP 1243-8 IRC

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

You will find detailed dimensions of the module in the section Dimension drawings

(Page 191).

DIN rail clamps, control panel installation

All CPUs, SMs, CMs and CPs can be installed on the 35 mm 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.

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Siemens SIMATIC S7-1200 CP 1243-8 IRC Specifications

General