Omron E5EK, User Manual

Page: 149 / 203

6.4 Commands and Responses
E5EK
6--7
6.4 Commands and Responses
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 fol
lows:
A: -1, F: - (minus)
[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
0 0 0 0
1
Response
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
Parameters of a specified controller are read or written.
•
Writing is possible only during remote operation.
•
Reading is impossible during execution of auto-tuning.
•
The following are set aside as special commands. For details, see page
6-10.
•
AT execute/cancel”, “Hold/Hold cancel” and “Advance”
•
For details on parameters in each setting level, see the tables on page
6-8 and 6-9.