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Industry Automation and Drive Technologies - SCE

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Module E11

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

RF180C

5.7 FC11 Function for a Command or Request

Before starting a MOBY command with "command_start“, we have to define it. For a simple

definition of a command, UDT 21 (German comments) is provided. UDT21 is embedded in DB47

multiple times.

So that not all inputs have to be carried out in DB47, here a block for one command or request is

generated.

It is then possible to call this block in the control program multiple times; for example for a command

string.

Generating Function FC11

Set up a new FC11 function.

Set up IN variables

Set up OUT variables

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Siemens S7-300F-2 Manual de usuario Pagina 34