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1. MITSUBISHI PLC 5-19
Connection to PLCs
Connection
• Use Hakko Electronics’ QCPU2 cable when connecting the V7 series (CN1) to the PLC
(RS-232C port).
• Use Hakko Electronics’ V6-CP cable when connecting the computer (PLC
programming software) and the V7 series (MJ1/2).
• When using the V-SFT editor and the PLC programming software:
- When using two V6-CP cables:
When the computer has two COM ports, use one port for the V-SFT editor and the
other port for the PLC programming software. Use the V6-CP cables. (It is not
possible to transfer the V-SFT editor and the PLC programming software at the
same time.)
- When using one V6-CP cable:
When using the V-SFT editor and the PLC programming software, it is not possible
to use one COM port for both purposes at the same time. Stop using both software
for communications.
QCPU2
MELSEC
CN1
RS-232C
RESET
disc
GPPW
(V-SFT)
V6-CP
V6-CP
MJ1
COM1
MJ2
COM2
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
V7
V7 seriesComputer (PC) MITSUBISHI QnH series
QCPU2
MELSEC
CN1
RS-232C
RESET
disc
GPPW
(V-SFT)
V6-CP
V6-CP
MJ1
COM1
MJ2
COM2
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
V7
V7 seriesComputer (PC) MITSUBISHI QnH series
Communications between the PLC programming
software and the PLC
Communications between the V-SFT editor and V7
Communications between V7 and the PLC
V6-CP
QCPU2
MELSEC
CN1
MJ1 RS-232C
RESET
disc
GPPW
(V-SFT)
COM1
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
V7
V7 seriesComputer (PC) MITSUBISHI QnH series