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3-18 4. n : 1 Connection (Multi-link)
When connecting directly to the CPU of the MITSUBISHI QnA series:
Use the GD port of Hakko Electronics’ optional dual port interface V-MDD.
V-SFT Setting
The following settings must be made on the V-SFT editor. Only the points different from
those described in “1. 1 : 1 Connection/V-SFT Setting” (page 3-3) are explained here.
PLC Selection
Select the PLC that is connected. Check that the PLC to be connected is ready for
multi-link connection. Refer to the Appendix.
• Setting Position
[System Setting] → [PLC Type] → [Select PLC Type] dialog
Communication Parameter Setting
• Setting Position
[System Setting] → [Comm. Parameter] → [Comm. Parameter] dialog
• Setting Items
[Connection]
Select [Multi-Link]. Click [Setting]. The [Multi-Link] dialog is displayed. Make the
necessary settings.
[Local Port] (1 to 32)
Set the port number of the V7 series. 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. (Default
setting: 20 msec)
+RxD
+TxD
+DSR
+DTR
1
2
3
4
5
SG
7
RxD
15
TxD
16
DSR
17
DTR
18
20
21
FG
+SD
SD
+RD
RD
SG
V7+TC485
FG
+SD
SD
+RD
RD
SG
V7+TC485 V7+TC485
FG
+SD
SD
+RD
RD
SG
RD terminating
resistance
(OFF)
Signal
Name
V-MDD
GD port
RD terminating
resistance
(OFF)
RD terminating
resistance
(ON)
Pin No.
* Use shielded twist-pair cables.
Signal
Name
Signal
Name
Signal
Name
PLC
MONITOUCH
Send delay time “t”