Ebyte K62-DL20 User Manual page 11

Chengdu Ebyte Electronic Technology Co.,Ltd.
Port and
serial
Other
number
Definitions
1 PE
2 +
3 -
4 B/RX
5 A/TX
6 G
second
7 communicat
ion interface
8 AI1
9 GND
10 AI2
11 GND
12 AI3
13 GND
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Figure 1-3 Display of the transmitter (collection) end product interface
Table 1.3.2 Pin Function Definition of Transmitter (Acquisition) End Products
Function
protective earth
terminal
Positive power
supply
power ground
Communication
interface B/RXD
Communication
interface A/TXD
communication port
Antenna
port/network port
Analog input 1
channel
input negative
Analog input 2
channels
input negative
Analog input 3
channels
input negative
Lightning protection grounding. If the ground lead is good, it is
recommended to connect the product casing to the ground;
otherwise, it is OK.
The power input is positive, and the DC input voltage range is 8-28V.
Power input negative (0V).
485 interface B/(RS232_RXD).
485 interface A/(RS232_TXD).
485 ground (can not be connected) / RS232 signal ground (0V).
433Mhz antenna port/network port socket
0/4～20mA analog signal input channel 1.
Input negative (0V).
0/4～20mA analog signal input channel 2.
Input negative (0V).
0/4～20mA analog signal input channel 3.
Input negative (0V).
K62-DL20 User Manual
illustrate
10