Siemens SIMATIC RF220R - Functionality of Write Function Block

3 Mode of Operation
Read/write data with IO-Link
Entry ID: 73565887, V3.4, 06/2022
18
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The block has the following in-/outputs:
Name
Data type
Description
identData
Variant
Data area where the read data is stored.
The block has the following outputs:
Table 3-6
Name
Data type
Description
done
Bool
TRUE, if processing the routine has been terminated.
FALSE, during and before executing a new
command.
Default value: FALSE
error
Bool
TRUE if an error occurs when processing the routine.
FALSE if a new command is started.
Default value: FALSE
status
DWord
DW#16#00, if a command was completed without
errors.
In the case of an error (ERROR=TRUE) Hex value
unequal zero (see Chapter 3.2.3.)
presence
Bool
Presence bit. This bit is only set if a transponder is in
the field of the reader.
NOTE
For a S7-300 CPU, the input "hwId" must be set to the IO start address of the IO-
Link master.
For a ET 200eco PN Master, the input "portAddr" must be set to "0".
3.2.2 Program details on FB "IolWriteAnt" (FB5)
The following figure and table show the call interface of user block FB "IolWriteAnt"
(FB5).
Figure 3-4
OutputInput
The block has the following inputs:
Table 3-7
Name
Data type
Description
read
Bool
Enables the write function after a positive edge