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9.4 PLC Side Setting
9.4.6 Connecting serial communication unit
9.4.6 Connecting serial communication unit
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.
m = 30000 + (100 x unit No.)
*1 Only transmission speeds available on the GOT side are shown.
*2 Set the same transmission speed 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 host link station No. according to the Host Address setting 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)
Device name
Settings
Port 1 Port 2
DM (m) DM(m+10)
8000H (fixed): The settings are:
Port setting : Arbitrary setting
Serial communication mode : Host link
Start bit : 1 bit
Data length : 7 bits
Stop bit : 2 bits
Parity : Even
DM(m+1) DM(m+11)
DM(m+2) DM(m+12) 8000H (fixed)
DM(m+3)
*3
DM(m+13)
*3
8000H to 801FH
b15 to b8 b7 to b0
1) Transmission speed
*1*2
00H: 9600bps 08H: 38400bps
05
H: 4800bps 09H: 57600bps
06
H: 9600bps 0AH: 115200bps
07
H: 19200bps
0
H
1)
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