Functionality; Program Details On Fb "Iolreadant" (Fb3) - Siemens SIMATIC S7-1500 Manual

3 Mode of Operation
"DataBuffer"
In data block "DataBuffer" (DB1), the RFID data to be read from or written to the
transponder is stored.
Table 3-4
Name
readData
writeData
3.2

Functionality

3.2.1

Program details on FB "IolReadAnt" (FB3)

The following figures and tables show the call interface of user block FB
"IolReadAnt" (FB3).
Figure 3-3
Input
The block has the following inputs:
Table 3-5
Name
read
addrTag
length
hwId
portAddr
Read/write data with IO-Link
Entry ID: 73565887, V3.4,
Data type
Array[0..1999] of byte
Array[0..1999] of byte
Data type
Bool
Word
DWord
HW_ANY
INT
06/2022
Description
Data read from the transponder after a read job.
Data, to be written to a transponder during a
write process.
Output
Description
Enables the read function after a positive edge
Start address of the data to be read from the
transponder.
Length of the data that is read from the transponder.
Hardware identifier of the IO-Link communication
module.
Start address of the connected reader (PCT Tool).
17