14
24V, 0V: power supply input
A, B: RS-485 com port
COM: common ground
X: Input
Y: Output
Program port is a RS-232 com port which has double functions of downloading PLC program and
HMI pictures. The pins function of the port is as below:
Pin
Function
Pin2
RXD
Pin3
TXD
Pin5
GND
Pin7
RTS
Xinje provides special program cable to download the PLC program or HMI program. You also
can make the cable by yourself. Please see the pin connection between PC and the port.
MODE
：
XP3-
18
R
SN
：
2
006
050
21
18
DATE
：
2
006
051
0
无锡市信捷科技电子有限公司
Points connect
with BD board
Program
port
Power
supply
RS-485 Com port
Output points
Input points
In-out points arrangement
Program port
