Siemens SIMATIC NET CP 343-1 Manual do Utilizador descarregar pdf (Página 32)

Installation, connecting up and commissioning

5.2 Installing the CP, connecting power and ground

CP 343-1 Lean

32 Manual, 10/2012, C79000−G8976−C198−07

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Legend:

1) Attachment to Industrial Ethernet (PROFINET interface): 2 x 8pin RJ45 jack

2) Connecting the power supply

3) Slider for setting the chassis ground connection

Figure 5-1 Connectors of the CP

Ground/chassis ground concept

Note

Note the instructions regarding the grounding and chassis ground concept in the

SIMATIC S7 installation guides; see “SIMATIC S7 Programmable Controller S7300 -

Installation and Hardware: Installation Manual": /12/ (Page 62)".

Behind the hinged panel on the left of the device, you will see a slider with which you can

connect or disconnect the chassis ground of the 24V power supply with reference ground.

● Slider pushed in: Chassis ground and reference ground are connected (caution: you can

feel the slider lock into position).

● Slider pulled out: There is no connection between chassis ground and reference ground.

When shipped: Slider pushed in

Use a screwdriver to set the slider.

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Siemens SIMATIC NET CP 343-1 Manual do Utilizador Página 32