9
．
Program
69
9.6.4. Step Settings
The following describes the contents of step settings for the communications sequence No.
900. The settings include retry count, send/receive messages (message names), next
process, and error process. The sequence of this protocol macro data is composed of the step
No. 00 only.
Additional Information
For details on step settings, refer to
3-3 Step Attributes
of the
CX-Protocol OPERATION
MANUAL
(Cat. No. W344).
●Retry count setting
The following describes the contents of retry count setting for the step.
The step is repeated the number of designated times (0 to 9 times) when an error occurs.
If the error still remains after the designated number of retry repetitions, the system goes to
the error process.
The retry count can be set only for the step in which Send&Receive command is set.
< Screenshot of step settings>
<Setting>
Step No.
Retry count
00
3
●Send/Receive message (massage name) setting
The following describes the setting contents of send/receive messages for the step.
The settings are made by using both the send message and receive matrix names
mentioned in
9.6.1. Composition of Protocol Macro Data
.
< Screenshot of step settings >
<Setting>
Step No.
Send message
Receive message
00
SD_VR
＜
Mat_VR
＞
* The receive matrix is indicated with a pair of marks < > at the beginning and end of the
receive message.
The receive matrix is set when more than one receive message format exists.
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