7.1 PLC Connection 7-11
Parameter setting register
(Underlined setting: default)
Communication parameter settings can also be made by using the system parameter setting of the programmer. For more
information, refer to the PLC manual issued by the manufacturer.
Universal Communication Port 2
Set parameters into the special register “R774, 775”, then set “A5AA” (HEX) into the setting complete register “R767”. When
the set value at R767 is changed to “AAAA” (HEX), it is regarded as normal; if it is changed to “AEAA” (HEX), it is regarded as
erroneous.
Parameter setting register
Communication parameter settings can also be made by using the system parameter setting of the programmer. For more
information, refer to the PLC manual issued by the manufacturer.
Universal Communication Port 3
Set parameters into the special register “R776, 777”, then set “5AAA” (HEX) into the setting complete register “R767”. When
the set value at R767 is changed to “AAAA” (HEX), it is regarded as normal; if it is changed to “EAAA” (HEX), it is regarded as
erroneous.
Parameter setting register
Communication parameter settings can also be made by using the system parameter setting of the programmer. For more
information, refer to the PLC manual issued by the manufacturer.
Register Setting Setting Example
R772
00E0H
K-Sequence
R773
8701H
38400 bps
Odd parity
Stop bit 1
Station number 01
Register Setting Setting Example
R774 Same as the setting register R772 for the universal port 1 00E0H
R775 Same as the setting register R773 for the universal port 1 8701H
Register Setting Setting Example
R776 Same as the setting register R772 for the universal port 1 00E0H
R777 Same as the setting register R773 for the universal port 1 8701H
8701
Station number
01 to 1F (HEX)
Baud rate
4: 4800 bps
5: 9600 bps
6: 19200 bps
7: 38400 bps
Parity stop bit
0: Without parity, stop bit 1
2: Without parity, stop bit 2
8: Odd parity, stop bit 1
A: Odd parity, stop bit 2
C: Even parity, stop bit 1
E: Even parity, stop bit 2
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