Xinje ZG3 Series - Communication Ports

ZG3 series
7
1-3-3. Download port (COM0)
The download port COM0 accords to RS232. It can download PLC program.
Pin
Function
Pin2
PRG
Pin4
RxD
Pin5
TxD
Pin6
VCC
Pin8
GND
Please use XINJE company programming cable, if no cables, make it by yourself according to the
below diagram:
3
45
1
2
6
8
7
15
9 6
Mini Din 8 Core plug (needle) DB9 plug (hole)
Notes: do not change the communication parameter of COM0 (PLC port1), otherwise PLC cannot
connect to the PC.
1-3-4. Communication port AB
ZG3 integrated communication port is PLC communication port, RS485 (Serial port2).
Under factory setting, you can use this port to download and upload PLC program. It can also
communicate with external sensors, instrumentation and other equipments.
Here are the port diagram:
Communication parameters:
Station number
Modbus station 1~254, 255(FF) is free format
3
4
5
1
2
6
8
7