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Creating a Sequence
Use the following procedure to create a new sequence.
1. Click on New Protocol with the left button of the mouse. Then click on a blank space with the right button
of the mouse.
2. Select Create Communication Sequence.
The following table will appear. Set the parameters related to the sequence in the table.
＊
#
000
#
Sequence number. The sequence number is automatically set.
Communication Sequence
The label (name) of the sequence. Input an appropriate, easy-to-distinguish name.
Link Word
Set the area for sharing the data between the Programmable Controller and Communications Board.
In this example, the link word is specified by the operand of the PMCR instruction. Therefore no link word is
set here.
Control
Set the control method, such as flow control.
Select only "modem control" for communications with the 3G3RV.
Response
A method to write reception data to the I/O memory of the Programmable Controller.
Select "notify by scan" for communications with the 3G3RV.
Timer Tr, Timer Tfr, and Timer Tfs
Set the periods to monitor the transmission and reception steps with timers Tr, Tfr, and Tfs. The following tim-
ing chart shows the meaning of each monitor.
Be sure to set the periods according to the application.
The step will be retried if the step is not completed within the monitor periods. An error will occur if the step
is not completed within the monitor time again.
Set a period of approximately 0.5 s each for communications with the 3G3RV.
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6
Communication sequence
Link word
Inverter I/O Send &
Recv
Control
- - -
Set (Setting required)
Timer
Timer
Response
Tr
Tfr
Scan
0.5
0.5
Timer
Tfs
0.5
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Table of Contents
Troubleshooting
