Commands And Responses; Reading/Writing Parameters - Omron E5AK User Manual

CHAPTER 6 USING THE COMMUNICATIONS FUNCTION

6.4 Commands and Responses

J Reading/writing parameters
F Reading parameters
Command
Response
F Writing parameters
Command
Response
6--6
This section describes commands and response in detail. The conven-
tions 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]
Decimal Point Enabled (####.#)
10.0=[0100], -150.0=[A500], -15.0=[F150]
Decimal Point Disabled (####)
10=[0010], -1500=[A500], -15=[F015]
2B 2B
Unit
Parameter
No.
No.
@ 1
2B 2B
Unit
Parameter
No.
No.
@ 1
2B 2B
Unit
Parameter
No.
No.
@ 2
2B 2B
Unit Parameter
No.
No.
@ 2
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.
4B 2B
FCS
X X X X
2B 4B
End Read data
code
4B 2B
FCS
Write data
2B 4B
End Write data
code
2B
* CR
X: Any value acceptable
2B 2B
FCS
* CR
2B
* CR
2B 2B
FCS
* CR