Yokogawa DA100 Manuel d'utilisateur Page 28

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IM DA100-11E
3-9
Overview and Specifications of RS-422-A/RS-485 Interface
3
3.5 RS-422-A/RS-485 Interface Parameter Setting
Procedure
Setting of the RS-422-A/RS-485 parameters must be carried out using the 4 dip switches located
next to the module connector.
1234
SW1
Data length
Baud rate
ON
OFF
1234
SW2
four-wire/two-wire
Stop bit
Parity
ON
OFF
1234
SW3
Address (upper)
Minimum response time
ON
OFF
1234
SW4
Address (lower)
ON
OFF
Baud rate (No.1 to 3 of SW1)
Baud rate No.1 No.2 No.3
300 OFF OFF ON
600 OFF ON OFF
1200 OFF ON ON
2400 ON OFF OFF
4800 ON OFF ON
9600 ON ON OFF Default Setting
19200 ON ON ON
38400 OFF OFF OFF
Data length (No.4 of SW1)
Data length No.4
7 OFF
8ON Default Setting
Parity (No.1 to 2 of SW2)
Parity No.1 No.2
None OFF OFF
ODD OFF ON
EVEN ON OFF Default Setting
Stop bit (No.3 of SW2)
Stop bit No.3
1 OFF Default Setting
2ON
Switch between four-wire/two-wire systems (No.4 of SW2)
four-wire/two-wire No.4
four-wire OFF Default Setting
two-wire ON
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