5-6 6. V-Link
6. V-Link
• “V-Link” is the network where the computer reads from and writes to the internal memory of the V7
series, memory card, PLC memory or temperature control/PLC2 memory using a dedicated
protocol.
• Use the MJ port of the V7 series for connection with a general-purpose computer. For connection
to the PLC using a temperature controller or the PLC2Way function, use the other MJ port and use
CN1 for communications with the PLC. Data of the PLC or temperature controller can be collected
through communications with the V7 series. Data collection is available even between the
products of different manufacturers.
• Either signal level RS-232C or RS-485 can be selected.
With RS-232C, one V7 series can be connected; with RS-485, a maximum of 31 V7 series can be
connected.
<RS-485 connection>
• For more information, refer to the PLC Connection Manual.
PLCPC
RESET
disc
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
V7 series
Dedicated commands
Read
Write
PLC
RS-232C
RS-422
RS-485
PLC
PLC
RS-485
RS-232C
RS-422
RS-485
CN1
CN1
CN1 MJ2
MJ2/1
MJ2/1 MJ1
RESET
disc
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
Temperature controller,
inverter or PLC
Local Port
1
Local Port
2
Local Port
31
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