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9.4 PLC Side Setting
9.4.1 Connecting CPM2A, CQM1, CQM1H, C200H or RS-232C adapter
9.4.1 Connecting CPM2A, CQM1, CQM1H, C200H or RS-232C adapter
1 Device settings
Write the following set values to devices of each PLC CPU and initialize each port using a peripheral
tool or DM monitor.
*1 Only transmission speeds available on the GOT side are shown.
*2 Set the same transmission speed of the RS-232C port as that of the GOT side.
For the transmission speed setting on the GOT side, refer to the following.
Section 9.3.3 Setting communication interface (Communication settings)
*3 Set the RS-232C port host link station No. according to the Host Address on the GOT side.
For the Host Address setting on the GOT side, refer to the following.
Section 9.3.3 Setting communication interface (Communication settings)
Remark
Precautions for changing device values
Before changing the device values, make sure that the switch settings have been
changed as follows:
CPM2A: The communication condition switch to "individual"
Other PLC CPU: Front panel DIP switch SW5 to "OFF"
Device name Settings
DM6645 0001H (fixed)
DM6646
DM6647 0000 (fixed)
DM6648
*3
0000 to 0031
DM6649 0000 (fixed)
b15 to b8 b7 to b0
1) RS-232C port transmission
speed setting
*1*2
02H: 4800bps
03
H: 9600bps
04
H: 19200bps
2)
1)
2) RS-232C port communication frame format
03H (fixed): The settings are:
Start bit : 1 bit
Data length: 7 bits
Stop bit : 2 bits
Parity : Even bits
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