
X FORMAT
E5AK
A--17
X FORMAT
The E5AK controller supports communications in the X format.
Some of the data, such as unit, may differ with the E5AX/EX series.
For details on commands and setting range, see Chapter 5 Parameters and
Chapter 6 Using the Communications Function.
Commands are structured as follows and are paired with a response.
Header
code
Unit
No.
FCS
CR
@
*
2B
2B
4 to 8B
2B
2B
Data
code
2B
Data
Header
code
Unit
No.
FCS
CR
@
*
2B
2B
4 to 8B
2B
2B
End
code
2B
Data
·
“@”
The start character. This character must be inserted before the lead-
ing byte.
·
Unit No.
Specifies the “unit No.” of the E5AK. 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-18.
·
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 6-12).
·
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
6-14).
·
“*” “CR (Carriage Return) code”
Indicates the end (terminator) of the command or response block.
J
Format
F
Command
F
Response