3-9
Overview and Specifications of RS-422-A/RS-485 Interface
3
3.5
RS-422-A/RS-485 Interface Parameter Setting Pro-
cedure
Setting of the RS-422-A/RS-485 parameters must be carried out using the 4 dip switches located
next to the module connector.
Baud rate (No.1 to 3 of SW1)
Baud rate
No.1
No.2
No.3
150
OFF
OFF
OFF
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
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
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
Summary of Contents for DR130 SERIES
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