
3 Download cable diagram
3 Download Cable Diagram
3.1 Download by Serial Port
The COM2 port on the back of the case can be used to connect PLC RS-232 devices and can also be used
to connect with the programming interface and setting interface of a PC.
HMI COM
0
terminal
9pin D
-
SUB female
7
RXD
8 TXD
5
GND
3 TXD
2 R
XD
5
GND
PC port
9
pin D
-SUB female
3.2 Download by USB
3.3 Download by Network Ethernet
Connecting PC and HMI use cross-ruling; communicating with hub or switch use Cross-over cable or
cross-ruling.
A. cross-ruling cable diagram:
HMI Ethernet terminal
RJ45
Controller terminal
RJ45
3 RX+ (green,white)
4 BD4+(blue)
5 BD4- (blue,white)
1 TX+ (orange,white)
2 TX- (orange)
3 RX+ (green,white)
6 RX- (green)
1 TX+(orange,white)
4 BD4+ (blue)
5 BD4- (blue,white)
7 BD3+ (brown,white)
8 BD3- (brown)
6 RX- (green)
2 TX- (orange)
7 BD3+ (brown,white)
8 BD3- (brown)
B. cross-over cable diagram:
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