Siemens DP, S7-300F-2 PN manual Generating DB49 Open DB49 and insert UDT261 and UDT271

Page 24

Industry Automation and Drive Technologies - SCE

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

TIA Training Document	Page 24 of 65
Module E11
Status: 01/2010	Radio Frequency Identification (RFID) with SIMATIC S7-300F-2PN/DP and
RF180C

Image 24

Contents Module E11 Industry Automation and Drive Technologies SCEIndustry Automation and Drive Technologies SCE Preface Page S7’ ObjectivePrerequisites Simatic RF180C ASM Industry Automation and Drive Technologies SCE CPU Rfid Fundamentals Data structure of the German language UDTs is as follows DB47Page Industry Automation and Drive Technologies SCE Page Industry Automation and Drive Technologies SCE Industry Automation and Drive Technologies SCE Industry Automation and Drive Technologies SCE MAC address Value range for the IP addressValue range for the subnet screen form Value range for the address of the gateway routerIndustry Automation and Drive Technologies SCE Industry Automation and Drive Technologies SCE Industry Automation and Drive Technologies SCE Page Page Page Generating DB48 Open DB48, set up 1024 bytes Save and close DB48Generating DB49 Open DB49 and insert UDT261 and UDT271 Page Generating DB50 Open DB50 and insert UDT111 and UDT281 Save and close DB50 Generate DB47 Open DB47 and add UDT21 for each request Save and close DB47 Generating DB45 Open DB45 and insert UDT11 for each reader DB45, UDT11 is called for each readerDB47 request data block is referred to in DB45 Data view of DB45 to byteSave and close DB45 Page Set up in variables Set up OUT variables Generating Function FC11Save and close FC11 Data View of the UDT21 Command Overview CommandWriting data to the transponder Reading data from the transponderCommand Next Command ENDInitialize Transponder Read out Reader statusSwitching the reader aerial on/off Transponder StatusExample of a command string in DB47 Data view of the UDT11 Variable Description Parameter commandDBaddress Value = 50 for Reader2 507 Industry Automation and Drive Technologies SCE ISO MDS Page Page Industry Automation and Drive Technologies SCE Control bits from Bit8 to Bit15 Variable DescriptionMoby U/D or RF300 Then, set up in variables Next, set up OUT variables Generating FB10Reader block Network 1 Command start Network 2 Reset Reader Industry Automation and Drive Technologies SCE Networks 4 to Page Supplementing the symbol table TaskGenerating FB1 Industry Automation and Drive Technologies SCE FB10 is inserted as a multi-instance block Industry Automation and Drive Technologies SCE Network Industry Automation and Drive Technologies SCE Network 4 to Page Open OB1 and call FB1 with DB1 Page Page Industry Automation and Drive Technologies SCE Symbol Table