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3-14 3. n : 1 Connection (Multi-link 2)
2. When the PLC is connected to V7 series master station via RS-422/485:
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.
• Setting Position
[System Setting] → [PLC Type] → [Select PLC Type] dialog
→Check [ Display Multi-link2 PLC]. The PLC list compatible with multi-link 2
connection is displayed.
Communication Parameter Setting
• Setting Position
[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.
RS-422/485
ON
12345678
ON
12345678
ON
12345678
ON
12345678
ON
12345678
PLC
CN1CN1CN1CN1 MJ1/2
RS-485 (2-wire)
V7 master station
(= Local Port 1)
V7 slave station
(= Local Port 2)
V7 slave station
(= Local Port 3)
V7 slave station
(= Local Port 4)
Terminal block
When MJ1 is
used:
When MJ2 is
used: