CHAPTER 6 USING THE COMMUNICATIONS FUNCTION
E5EK
6--12
6.5 How to Read Communications Error Information
TheresultofcommunicationsontheE5EKcanbecheckedbytheendcodeintheresponseframe.Use
this end code to remedy errors that may occur.
Communications are normal when the end code in the response is “00”.
If the end code is not “00”, this indicates that an error other that is not
an undefined error has occurred. The end code format is as follows and
does not contain a data area.
CR
Unit
No.
Command
code
FCS
Command type
End
code
@
*
2B
2B 1B 2B 2B2B
End code
0D
Code name
Command cannot be executed
• Writing was carried out during local operation.
• Wr iting was carried out during executing auto-tuning.
• An attempt was made to execute 40%AT during heating and cooling
control or position-proportional control.
• An attempt was made to switch run/stop in setting level 1.
• An attempt was made to execute AT in setting level 1.
• Issue the parameter read or write commands in conditions other than above.
End code
10
Code name
Parity error
P arity check error was detected in the received data.
Check the communications condition. If the communications condition
of the host computer and E5EK controller match, then a probable cause
is a problem in the communications circuit of one or both of the host
computer and E5EK controller.
End code
11
Code name
Framing error
Stopbitcannotbedetected.
Check the communications condition. If the communications condition
of the host computer and E5EK controller match, then a probable cause
is a problem in the communications circuit of one or both of the host
computer and E5EK controller.
End code
13
Code name
FCS error
The FCS (Frame Check Sequence) do not match.
Check the FCS program.
Responses are not returned unless the target unit for communications and the
unit No. in the command match.
About the unit No.
JEnd code
F Description
F Action
F Description
F Action
F Description
F Action
F Description
F Action
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