Instruction manual

3-14 3. n : 1 Connection (Multi-link 2)
2. When the PLC is connected to ZM-300 series master station via RS-422/485:
ZM-71SE Setting
The following settings must be made on the ZM-71SE editor.
Only the points different from those described in “1. 1 : 1 Connection/ZM-71SE 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 ZM-300 series master station, set the following
items. For the ZM-300 series slave station, set the items marked with ♦.
[Local Port]♦ (1 to 4)
Set the port number of the ZM-300 series. For the ZM-300 series master station,
set “1.” For the ZM-300 series slave station, set “2” to “4.” Set the unique port
number for each ZM-300 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)
ZM-300 master station
(= Local Port 1)
ZM-300 slave station
(= Local Port 2)
ZM-300 slave station
(= Local Port 3)
ZM-300 slave station
(= Local Port 4)
Terminal block
When MJ1 is
used:
When MJ2 is
used: