Parameter assignment and configuration
4.4 Ident instructions
Communications module RF120C with application blocks for S7-1200 and S7-1500
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Operating Instructions, 07/2013, C79000-G8976-C328-01
4.4
Ident instructions
To be able to operate the RF120C with various Ident systems, the TIA Portal provides you
with a global library. This library contains various Ident instructions.
The following table lists all the Ident instructions and program elements of the library.
Table 4- 14 Overview of the Ident instructions
Position
Type
Symbolic name
Description
Ident
instructions
(global library)
Ident application
blocks
Function block
Reset_Reader
These Ident instructions are available
so that the communication with the
Ident systems can be programmed as
simply as possible.
Read
Write
Read_EPC-ID
Write_EPC-ID
Set_Ant
PLC data type
HW_CONNECT_VAR
Separate data type for all Ident
application blocks for physical
addressing of communications
modules and readers and for
synchronizing the function blocks used
for each reader.
Function block
AdvancedCmd
Advanced command set. With the
Ident application block
"AdvancedCmd" it is possible to
access other commands from the Ident
command set.
Ident profile
Function block
Ident profile
One instruction, full flexibility. This
block is available for experts to be able
to include complex command
structures in their own program
sequence.
PLC data type
PIB_COMMAND
Data type for the Ident profile for
setting the command parameters.
PLC tags
PIB constants
Constants of the Ident profile