19
2.
FX2 series PLC
MITSUBISHI PLC
OP FX2 series CPU RS422
9-pin D-type female port 25-pin D-type male port
(Diagram 2— fit for OP320, OP320-A, OP325, OP330)
3-3
．
Siemens S7-200 series PLC
3-3-1
．
Connection unit
OP series can communicate with S7-200 series PLC (PPI protocol) via programming port or
expansion port.
Series
CPU
Connected
module
Port
Cable
Choose PLC type in OP20
S7-200
CPU212
CPU221
CPU222
CPU224
CPU226
CPU
RS485
Diagram 1
Siemens S7-200 series PLC
3-3-2
．
Communication parameters
OP software settings
Parameters Recommend
settings
Choices of settings
Note
PLC type
S7-200
Choose correct PLC type when
communicating with OP
Port
RS485
RS485
Data bit
8
7/8
Accord
with
PLC
port
parameters
Stop bit
1
1/2
Accord
with
PLC
port
parameters
Parity
Even parity
Even /odd /no parity
Accord
with
PLC
port
parameters
Baud rate
9600
4800/38400/9600/115200
Accord
with
PLC
port
