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Shenzhen King Pigeon Hi-Tech Co.,LED
Ver 1.2
PLC Data acquisition protocol conversion gateway
-D225
2.3.2
RS-485
、
TTL and power supply pin connector
2.3.3
RS232 Pin definition
3
Greenwhite
RX+
Receive positive
4
blue
Data+
Two-way data+
5
Blue white
Data-
Two-way data-
6
green
RX-
Receive negative
7
Brown White
Data+
Two-way data+
8
Brown
Data-
Two-way data -
RS-485
、
TTL and power supply pin connector
NO.
Function
Description
1
A
RS485 data+(A)
2
B
RS485 data-(B)
3
GND
Public land
4
TXD
Sender
5
RXD
Receiver
6
GND
Public land
7
-
Power input -
8
+
Power input +
RS232 Description
DB9 NO
Function Description
1
NC
2
Receive data
（
RXD
）
3
Send data
（
TXD
）
4
NC
5
Signal land
（
GND
）
6
NC
7
NC
8
NC
9
NC
RESET
Reset button
1
5
6
9
RESET
