5
GND
Signal ground
6
Rx+(A)
RS-485 Rx
RS485A
7
CTS_PL
C
Clear to send input
8
RTS_PL
C
Ready
to
send
output
9
Tx+
RS-485 Tx
3.3 Ethernet
Connectio
n
This port is connected with the HUB or Switch through a standard
Ethernet cable (RJ-45 straight-through cable) and then connected to
a LAN. It can also be directly connected with the Ethernet port of a PC
through a dual system interconnection cable (RJ-45 crossover cable).
Port
Function
The port can be used for upload/download of HMI configuration,
setting of system parameters and online simulations of configurations.
It can connect multiple HMIs via the Ethernet to form an HMI network.
Furthermore, it can implement communications between HMI and
PLC via the Ethernet, as well as communications with a PC via the
Ethernet port.
3.4 USB HOST
Connection
Connect with USB interface devices or U disks
Port
Function
This interface can be connected with USB keyboard, mouse and printers,
and the U disk can be used for user’s configuration uploading/ downloading
as well as data storage.
3.5 USB SLAVE
3.6 SD CARD
Connection
Standard SD card interface
Port
Function
The SD Card can be inserted in through this interface for Data storage and
user configuration uploading/downloading.
Connection
USB Slave port can be connected with a PC
Port
Function
The port is only used to download user configuration program to the
HMI and to set HMI system parameters.