Yokogawa DA100 - Manual (Page 28)

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.
1 2 3 4
SW1
Data length
Baud rate
ON
OFF
1 2 3 4
SW2
four-wire/two-wire
Stop bit
Parity
ON
OFF
1 2 3 4
SW3
Address (upper)
Minimum response time
ON
OFF
1 2 3 4
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
8 ON
←
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
2 ON
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