Siemens SIMATIC S7-1500 Manual page 11

2 Solution
Sequence of the core functionality
Figure 2-3
1
Switching on
2
IOL Reader
Finished
Watchdog timer
3
Transponder
detected
4
Finished
Switching off
5
IOL Reader
Table 2-4
No.
1. Job triggered by the user.
2. Switch on IOL reader by selecting the
"LIOLink_RF299_SwitchAntenna"
block.
3. Start the watchdog timer.
4. Read the transponder with the
"LIOLink_RF200_ReadTag" block.
5. Switch off IOL reader by selecting the
"LIOLink_RF200_SwitchAntenna"
block.
Read/write data with IO-Link
Entry ID: 73565887, V3.4,
Wait for
trigger
Start
Error
No transponder
detected
5 s
Read/write
function
Error
Action
06/2022
Error and
status output
Note
With watch table, user program or HMI.
The watchdog timer monitors whether a
transponder is located within the detection
area within a monitoring time of 5 seconds.
Executed if the read job has been
executed successfully or an error has
occurred during the read job.
Switching off the antenna field terminates
the read function.
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