Siemens S7-300F-2 Bedienungsanleitung PDF herunterladen (Seite 24)

Industry Automation and Drive Technologies - SCE

TIA Training Document

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Module E11

Status: 01/2010 Radio Frequency Identification (RFID) with SIMATIC S7-300F-2PN/DP and

RF180C

DB49 MDS Status Information

In DB49, the MDS status Information is entered.

The information is stored in a data block with a specified structure.

Read MDS status with Sub_Command 01according to UDT261 or Sub_Command 02 according to

UDT271.

Generating DB49

Open DB49 and insert UDT261 and UDT271

DB49 data view

The start address in DB49 is “0“ for Sub_Command 01 and “18“ for Sub_Command 02.

The data length is 18 bytes in both cases

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Siemens S7-300F-2 Bedienungsanleitung Seite 24