Omron 2D CODE READER User Manual page 64

Description of Format
Commands must be input in ASCII code. They can be input in either upper-case or
lower-case.
Header Command
Input
1
Number of
No. Item
characters
1 Header (Prefix)
2 Command
3 Space
4 Parameter Not fixed
5 FCS
(Frame check
sequence)
6 Footer(Suffix)
In the explanation of the format for each command, only the items "command (2)" to "parameter (4)"
are given.
Output Header Content of reply FCS
Number of read data digits
1
• In the explanation of the format for each command, only "content of reply" when a command is
executed correctly is given.
• The content of reply when a command is not executed will be
Number of
No. Item
characters
1 Number of read
data digits (Digit
Data)
2 Code quality
(Checker Data)
3 Read data Depends on
the read data.
Communicating with PC and Programmable Controller
Parameter
2 4
3
1 Enter the symbol that indicates the beginning of the command format.
This item is not available if [None] is selected for [Prefix] setting mode.
p.47
2 These characters indicate the operation content.
1 A space must be inserted between the command (2) and parameter (4).
This parameter needs to be specified depending on the command (3).
If needed, enter a numerical value.
2 Specify the FCS to be used.
This item is not available if [OFF] is selected for [FCS] setting mode.
p.47
1 to 2 Enter the symbol that indicates the end of the command format.
p.47
Footer
Code quality
2
2 or 4 Returns the number of reading data digits.
The number of characters must be set in [Digit Data] of the setting mode. This
item is not available if [OFF] is set.
p.47
12 Returns the code quality of the read data.
This item is not available if [OFF] is selected for [Checker Data] setting mode.
p.47
Returns the read data.
FCS Footer
5 6
Settings
Read data
3
E R
.
Settings
V400-F050/250/350
Section 5
63
User's Manual