Appendix 2 n : 1 Connection (Multi-link 2)
App2-7
Communication Parameter Setting
•
Setting Procedure
[System Setting]
→
[Comm. Parameter]
→
[Comm. Parameter] dialog
•
Setting Items
[Connection]
Select [Multi-Link 2].
Click [Setting]. The [Multi-Link 2] dialog is displayed. Make the necessary settings.
For the V7 series master station, set the following items. For the V7 series slave station, set
the items marked with
♦
.
[Local Port]
♦
(1 to 4)
Set the port number of the V7 series. For the V7 series master station, set “1.” For the V7
series slave station, set “2” to “4.”
Set the unique port number for each V7 series. If the number duplicates, communications will
not be performed correctly.
[Send Delay Time] (0 to 255) (Unit:
×
1 msec)
Set a time delay in sending the response to the PLC
after receipt of data from the PLC.
Normally use the default setting (0).
[Total]
♦
(2 to 4)
Set the total number of the V7 series included in the multi-link 2 connection.
[Retry Cycle] (
×
10)
Set the number of cycles before the master station sends an inquiry for restoration to the slave
station that has a communication problem (= system down). When a slave station has a
problem, it is temporarily removed from the communication targets, and the master station
sends an inquiry for restoration every number of cycles specified for [Retry Cycle]. This
setting does not affect the communication speed if no problem is occurring; however, if there is
any problem, it does affect the communication speed.
•
When the setting value is small: It will not take a long time before restoration.
•
When the setting value is large: It will take a longer time before restoration.
[Baud Rate of Multi-Link]
♦
(4800, 9600, 19200, 38400, 57600, 76800, 115k bps)
Set the baud rate used for communications between the V7 series.
The setting must be the same as other V7 series on the same communication line.
* For [Total] and [Baud Rate of Multi-Link], the same values must be set on all the V7 series that
are connected in the same communication line.
* Make the following setting when “1” is set for [Local Port] on the [Comm. Parameter] dialog on
the V7 series master station.
Select [System Setting]
→
[Modular Jack]. Select [Multi-Link] for [Modular Jack 1] or [Modular
Jack 2].
Connect the multi-link 2 master cable (V6-MLT) to the modular jack selected for [Multi-Link].
Communication Error
•
When the master station has a communication error, the slave stations do not work and the
communication error “Time-out” is displayed.
When the V7 series slave station has a failure, a communication error occurs only on this station.
Supplemental Information:
[Retrials] in the [Detail] tab window of the [Comm. Parameter] dialog is the number
of retrials that the V7 series master station sends an inquiry to the PLC.
PLC
MONITOUCH
Send delay
time “t”
Содержание V Series
Страница 1: ...V Series...
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