Siemens SIMATIC S7-1200 System Manual page 988

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Table of Contents

Communication

11.5 S7 communication

Table 11- 63 Data types for the parameters

Parameter and type

A low to high (positive edge) signal starts the operation.

S7 connection ID (Hex)

New Data Ready:

0: request has not yet started or is still running

1: task was completed successfully

0: request has not yet started or is still running

1: task was completed successfully

STATUS value:

There is an error. STATUS supplies detailed information about

the nature of the error.

Pointer to the memory areas in the remote CPU that stores the

data to be read (GET) or that is sent (PUT).

Pointer to the memory areas in the local CPU that stores the data

to be read (GET) or sent (PUT).

Data types allowed: Bool (only a single bit allowed), Byte, Char,

Word, Int, DWord, DInt, or Real.

Note: If the pointer accesses a DB, you must specify the absolute

address, such as:

P# DB10.DBX5.0 Byte 10

In this case, 10 represents the number of bytes to GET or PUT.

0000H: neither warning nor error

<> 0000H: Warning, STATUS supplies detailed information

System Manual, V4.2, 09/2016, A5E02486680-AK

S7-1200 Programmable controller