Technical Description and Installation Instructions

1.6Terminal Block

Connections

The CP 243-2 has the following connections:

STwo connections to the AS-i cable (bridged internally)

SOne connection for functional ground

The terminals are located under the cover of the front panel of the CP 243-2.

AS-i cables

Functional ground

Figure 1-3 Connecting the AS-i Cable

Connections to the AS-i Cable

The CP 243-2 has two connections for AS-i cables that are jumpered internally on the CP 243-2.

This allows the CP 243-2 to be ªloopedº into the AS-i cable.

Caution

!The load capacity of the AS-i contacts is a maximum of 3 A. If this value is exceed on the AS-i cable, the CP 243-2 must not be ªlooped intoº the AS-i cable but must be connected by a separate cable (in this case only one pair of terminals of the CP 243-2 is used). The CP 243-2 must be connected to the grounding conductor via the ground terminal.

1-8

SIMATIC NET CP 243-2 AS-i Master

C79000-G8976-C142/02

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Siemens CP 243-2 installation instructions Terminal Block, Connections to the AS-i Cable