Name: Siemens SIMATIC S7-1200 CP 1243-8 IRC
Brand: Siemens
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Configuration

4.18 Data points

CP 1243-8 IRC

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

129

The formats and S7 data types of the PLC tags that are compatible with the protocol-specific

data point types of the module can be found in the section Datapoint types (Page 135).

Access to the memory areas of the CPU

The values of the PLC tags or DBs referenced by the data points are read and transferred to

the communications partner by the module.

Data received from the communications partner is written by the module to the CPU via the

PLC tags or DBs.

Configuring the data points and messages in STEP 7

You configure the data points in STEP 7 in the data point and message editor. You can open

both editors alternatively as follows:

● Selecting the communication module

Shortcut menu "Open the data point and messages editor"

● Via the project navigation:

Project > directory of the relevant station > Local modules > required communication

module

By double-clicking on the entry, the data point or message editor opens.

Figure 4-8 Configuring data points and messages

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Siemens SIMATIC S7-1200 CP 1243-8 IRC Specifications

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