12
function.
5.7 Wireless communication function
ADW3 1 0 supports 470MHz LORA communication and 4G communication. The specific agreement on 4G
communication can be obtained by contacting the relevant personnel of our company.
6 Communication description
6.1 Communication Protocol
This instrument adopts MODBUS-RTU protocol or DL/T645 protocol. For the specific protocol format,
please refer to the relevant protocol standards, which will not be repeated here.
6.2 MODBUS communication
When using Modbus protocol for communication, the function code of the read data command is 03H, and the
function code of the write data command is 10H.
The specific register address table is as follows:
initial address
(hexadecimal)
data item name
length
(bytes)
read/
write
Remark
1 000H
contact address
2
R/W
1
～
247
1 001H
baud rate
2
R/W
1: 1200bps
2: 2 400bps
3: 4800bps
4: 9600bps
5 : 192 00bps
6 : 384 00bps
1002H
Check Digit 1
2
R/W
low byte
0: no verification
1: odd parity
2: Even parity
high byte
0:1 stop bit
1: 1.5 stop bit
2:2 stop bit
1003H-1005H
reserved
1006H
645 address
6
R/W
BCD code high order first
1009H
serial number
14
R/W
14 ASCII codes
1010H
wire system
2
R/W
0:3P4L 1:3P3L
1011H
Voltage secondary rating
2
R/W
One decimal place V
1012H
Current secondary rating
2
R/W
two decimal places A
1013H-101CH
reserved
101DH
password
2
R/W
1-9999
101EH
Pulse constant
2
R/W
Default 1600
Summary of Contents for ADW310
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