Instruction manual
5-26 2. MITSUBISHI PLC
Connection
• Use exclusive cable when connecting the ZM-300 series (CN1) to the PLC (RS-232C
port).
• Use Sharps’ ZM-80C cable when connecting the computer (PLC programming
software) and the ZM-300 series (MJ1/2).
• When using the ZM-71SE editor and the PLC programming software:
- When using two ZM-80C cables:
When the computer has two COM ports, use one port for the ZM-71SE editor and
the other port for the PLC programming software. Use the ZM-80C cables. (It is not
possible to transfer the ZM-71SE editor and the PLC programming software at the
same time.)
- When using one ZM-80C cable:
When using the ZM-71SE 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
(
ZM-71SE
)
ZM-80C
ZM-80C
MJ1
COM1
MJ2
COM2
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
ZM-300
ZM-300 series
Computer (PC) MITSUBISHI QnH series
QCPU2
MELSEC
CN1
RS-232C
RESET
disc
GPPW
(
ZM-71SE
)
ZM-80C
ZM-80C
MJ1
COM1
MJ2
COM2
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
ZM-300
ZM-300 series
Computer (PC) MITSUBISHI QnH series
Communications between the PLC programming software
and the PLC
Communications between the ZM-71SE editor and ZM-300
Communications between ZM-300 and the PLC
ZM-80C
QCPU2
MELSEC
CN1
MJ1 RS-232C
RESET
disc
GPPW
(
ZM-71SE
)
COM1
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
ZM-300
ZM-300 seriesComputer (PC) MITSUBISHI QnH series