
CHAPTER 6 USING THE COMMUNICATIONS FUNCTION
E5AK
6--6
6.4 Commands and Responses
This section describes commands and response in detail. The conventions
used in this section and data restrictions are as follows:
·
Data is expressed in 1-byte units and in ASCII code.
·
When the read or write data is a numerical value, the data to be set must
conform to the following conditions:
(1) The decimal point “.” is not indicated in fractions.
(2) The leftmost bit of minus numerical data must be expressed as
follows:
[example]
10.0=[0100], -150.0=[A500], -15=[F015]
J
Reading/writing parameters
F
Reading parameters
Command
Parameter
No.
Parameter
No.
Unit
No.
FCS
CR
Unit
No.
Read data
FCS
CR
End
code
@
@
*
*
2B
2B
4B
2B
2B
2B
2B
4B
2B
2B
2B
1
X
X
X
X
1
Response
X: Any value acceptable
F
Writing parameters
Command
Parameter
No.
Parameter
No.
Unit
No.
Write data
FCS
CR
Unit
No.
Write data
FCS
CR
End
code
@
@
*
*
2B
2B
4B
2B
2B
2B
2B
4B
2B
2B
2B
2
2
Response
Reading or writing of the parameters of a specified controller is executed.
·
Writing is possible only during remote operation.
·
Reading is impossible during executing auto-tuning.
·
The following are set aside as special commands. For details, see page
6-10.
“run/stop”, “remote/local”, “AT execute/cancel”
·
For details on parameters in each setting level, see the tables on pages
6-7 and 6-9.