User Manual
2.2 Connector Pinouts
2.2.1 Power Connector
The DC power source input of the 7" S-Series HMI is a DC-IN jack connector that
supports 12V DC power input.
2.2.2 COM1 Serial Port Connector
The 7" S-Series HMI has one serial port connector to connect your HMI to external
devices such as mouse, modem or printer. You can configure serial port settings via APP.
*Default setting: RS-232
2.2.3 USB 3.0 and USB 2.0 Connector
The 7" S-Series HMI has one USB connector is a combined USB3.0 and USB 2.0 connector.
Use USB connector to connect your HMI device to other USB compatible devices.
7" S-Series HMI
Chapter 2
Pin №
Signal Name
1
DC_IN
Pin №
RS-232
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Pin №
Signal Name
1
+5V
3
USB_D+
5
STDA_SSRX-
7
GND_DRAIN
9
STDA_SSTX+
11
USB_D-
13
GND
Getting Started
Pin №
Name
2
GND
RS-422
RS-485
TxD-
D-
TxD+
D+
RxD+
NC
RxD-
NC
GND
GND
NC
NC
NC
NC
NC
NC
NC
NC
Pin №
Signal Name
2
USB_D-
4
GND
6
STDA_SSRX+
8
STDA_SSTX-
10
+5V
12
USB_D+
10