1.3 Connection Methods
1-25
n: 1 Connection (Multi-link2 (Ethernet)) (Under Development)
Overview
One PLC is connected to a maximum of 32 V9 units. The V8 series can be used together.
Multi-link2 (Ethernet) enables you to establish an original network consisting of a master V9 of local port No. 1 and slave
V9 units of local port Nos. 2 to 32. The master V9 communicates with the PLC directly, and the slave V9 units
communicate with the PLC through the master.
- Connection example
You can make settings for multi-link2 (Ethernet) in [Communication Setting] for PLC1. Therefore, multi-link2 connection is
not possible concurrently with a network connection that uses a “CUR-xx” communication interface unit.
Multi-link2 (Ethernet) enables sharing of data stored in PLC1 device memory among the V9 units. However, sharing data
in PLC2 - PLC8 is not possible.
The V7 and V6 series cannot be used together.
The communication speed between the master station and the PLC depends on the setting made on the PLC; however,
communication among V9 units is performed via Ethernet, thus, high-speed communication is possible among them.
For PLCs that support multi-link2 (Ethernet) connection, see Connection Compatibility List provided at the end of this
manual.
The connection between the master and the PLC is the same as the one for 1 : 1 connection.
Ethernet connection is adopted to connect a master with slaves.
If the master station becomes faulty (communication error), the master and slave stations do not work, and as a result,
“Communication Error Time-Out” is displayed. If a slave station becomes faulty, “Data Loading...” is displayed due to a
communication error only on the faulty station.
The ladder transfer function is not available for a multi-link2 (Ethernet) connection.
LAN
LAN
LAN
LAN
CN1
MJ1/MJ2
PLC
RS-232C
RS-422
RS-485
Ethernet
Master
Local port 1
Slave
Local port 2
Slave
Local port 3
Slave
Local port 32
Содержание Monitouch V9 Series
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