20
DS2-20P2-AS
、
DS2-20P4-AS
、
DS2-20P7-AS
1
5
(5-pin port)
Terminal
Name
Explanation
1
TXD
RS232 send
2
RXD
RS232 receive
3
GND
RS232 ground
Note: please use the cable offered by Xinje company.
COM2
The COM2 position of each type:
Type
Port
COM mode
Mark
DS2-20P2-AS
DS2-20P4-AS
DS2-20P7-AS
A (CN1-14)
B (CN1-15)
RS485
This port cannot be used with
COM1 at the same time.
The parameters of COM2 can be set through P0-04:
Parameter
Function
Default
setting
Range
P0-04.0
Baud
rate
6
0
~
9
0
:
300
1
:
600
2
:
1200
3
:
2400
4
:
4800
5
:
9600
6
:
19200
7
:
38400