Xinje OP325-A - Siemens S7-200 Series PLC Connection

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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
Recom
mend
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