Omron FH-3 Series Reference Manual page 447

Output of Character String in PLC Link
In PLC Link communication, check the [Character output] to output the character string and NULL(0x00) to the
data output area of PLC Link.
Reference: Output Parameters (Barcode) (p.442)
1
Output Format
Take the following case as an example.
Number of measurement is one. Reading character string is 32. Command: Read character strings
0123456789...UV, Response, and Data Output area are as follows.
Reference: Communicating with PLC Link, Command Details for PLC Link, EtherNet/IP, and EtherCAT
in Vision System FH/FZ5 Series User's Manual for Communications Settings (Z342).
Command (PLC to Sensor Controller)
Top channel
+3
0010
Response (Sensor Controller to PLC)
Response Area
Top channel
+2
+3
+4
+5
Data Area (Sensor Controller to PLC)
When output the 32 character strings (0123456789...UV), the result continues as follows.
ASCII code data + NULL (0x00)
Top channel
+0
+1
.
.
.
+15
+16
Note
If no character string, data is not output and no updating of data.
When check the [Error character output], output the error character string + NULL (0x00).
2
How to get the character string
Perform the Data Output Request (DSA) and Data Output Completion (GATE) as in the case of Data
Output.
All character string are included one data. Thereby, Data Output Request (DSA) is performed once if
there is only one Barcode unit.
FH/FZ5 Processing Item Function Reference Manual
+2
1010 Performs one measurement.
Data
1010
Command Code
Target response is responded.
0010
0000
Response code
Command execution result.
0000
Name
1st character,
3031 (ASCII code of the character 0 , ASCII code of the character 1)
2nd character
3rd character,
3233 (ASCII code of the character 2 ASCII code of the character 3)
4th character
31st character,
5556 (ASCII code of the character U ASCII code of the character V)
32th character
NULL 0x00 (NULL)
Description
Description
Description
2
445
Barcode