Yokogawa DA100 User 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