As shown in the figure, PIN 1 supports 5VDC power
input.
5VDC power supply input
External power supply supports 5DC power input and
adopts DC round head, whose inside is positive and
outside is negative.
【
USB Interface
】
The front panel of the device provides 1 USB
storage port, the plug is Type-B female. PIN 1
supports 5VD power input. The pin definitions of
USB interface are shown as follows:
PIN
1
2
3
4
Definition VBUS
D-
D+
GND
Note
Power supply
+5VDC
D-
D+
Signal
ground
【
Serial Port
】
The device provides 4 RS-485/422 serial ports,
and the interface adopts DB9 male.
The pin definitions are shown as follows:
PIN
1
2
3
4
5
RS-485 D-
D+
—
—
GND
RS-422 T-
T+
R+
R-
GND
【
Checking LED Indicator
】
The monitoring working status of the LED indicator of the
device can comprehensively simplify the solution of faults.
The detailed status of each indicator is shown in the following
table:
LED
Indicate
Description
PWR
ON
Power supply is connected and
running normally
OFF
PWR is disconnected or running
abnormally
TX
（
1-4
）
OFF
No data or abnormal data is being
transmitted through serial port.
ON
Serial port is transmitting data
abnormally or transmitting a large
amount of data.
Blinking
Serial port is transmitting data
RX
（
1-4
）
OFF
No data or abnormal data is being
received through serial port.
ON
Serial port is receiving data
abnormally or receiving a large
amount of data.
Blinking
Serial port is receiving data
【
Specification
】
Panel
RS-485/422
4 RS-485/422 serial ports, the
interface adopts DB9 male
terminal blocks
USB interface
USB Type-B, Female
Indicator
Serial port receiving data
indicator,
serial port
transmission data indicator,
power indicator
Power Supply
Input power supply
USB interface or external 5VDC
power supply,
and the two power supplies can
work together
Access terminal blocks
5DC power supply adopts DC
round head, whose inside is
positive and outside is negative.
Power Consumption
Power
300mA
Working Environment
Working temperature
-20~60
℃
Storage temperature
-40~85
℃
Working humidity
5%
～
95%(no condensation)
Protection grade
IP30(metal shell)
