Functions And Commands - Siemens SIMATIC Ident Operating Instructions Manual

Configuring the RF1040R/RF1070R reader
No further settings need to be made for the RF1040R/RF1070R reader. In its delivery state,
the reader is set so that it can be operated both via USB as well as the R232 interface.
A.3.4

Functions and commands

You can communicate with the Ident devices using the Ident blocks / Ident profile. The "Write"
command handles the sending of data and the "Read" command the receipt of data.
The following table shows the block-specific commands that you can execute with serial field
devices.
Table A- 2
Command
Read
Write
Reader_Status
Reset_Univ
Reset_Reader
You can find detailed information on the commands and error messages of the
RF1040R/RF1070R in the "Programming" section of the "SIMATIC RF1000" manual. The
system job frames displayed must be stored in the data area for the "Write" command. The
answer message frames are output in the data block following a "Read" command.
SIMATIC RF120C
Operating Instructions, 02/2021, C79000-G8976-C328-03
Overview of the commands
Description
Read data
• Address "0x0000"
The length of the valid data is entered in the first 2 bytes of the result.
The user data is entered starting at the 3rd byte. Max. net data 231 bytes;
no error message if the length is exceeded.
When the "On receipt of the end delimiter(s)" parameter is used, the re-
sult is increased by 1 or 2 bytes accordingly.
• Address "0x0002"
No length information in the result; max. net data 233 bytes
Sending data
The address must be specified as "0xFFFF". Max. net data 194 bytes (without
length information); no error message if the length is exceeded
Reads status information from the reader.
Identifier of the status modes / possible entries:
• RF1000: 0x8E
• MV320: 0x8D
Reset the communication between CM and device and empty the buffer.
The 11th byte ("option_1") of parameter "PARAM" can be occupied by "0x00"
or "0x02". The value "0x04" must be entered in the 1st byte, and "0x0A" in
the 6th byte.
When using the technology object, the command "Reset_Reader" can be used
as an alternative.
As an alternative to the "Reset_Univ" command, this command can be used
with using the technology object "SIMATIC Ident > TO_Ident".
A.3 Connection of serial devices via Freeport protocol
Appendix
51