X Format - Omron E5CK User Manual

APPENDIX

X FORMAT

J Format
F Command
F Response
A--14
The E5CK controller supports communications in the X format which is
used in other Omron controllers such as ES100, E5AJ/EJ and E5AX/EX.
Commands are structured as follows and are paired with a response.
2B 2B
Unit Header
No. code
@
2B 2B
Unit Header
No. code
@
• "@"
The start character. This character must be inserted before the lead-
ing byte.
• Unit No.
Specifies the "unit No." of the E5CK. If there are two or more trans-
mission destinations, specify the desired destination using "unit
No."
• Header code/Data code
Specifies the command type. For details on the command type, see
page A-12.
• Data
Specifies the set value or setting content. The data length varies
according to the command.
• End code
Sets the communication results. For details on the types and mean-
ings of end codes, see 6.5 How to Read Communications Error
Information (page 6-10).
• FCS (Frame Check Sequence)
Set the frame check results from the start character to the data sec-
tion. For details on the frame check, see 6.6 Program Example (page
6-12).
• "*" "CR (Carriage Return) code"
Indicates the end (terminator) of the command or response block.
2B
Data
Data
code
2B
Data
End
code
2B 2B
FCS
* CR
2B 2B
FCS
* CR