2.3.
Command reset description
Within 3 seconds after power-on, send a command to 485 serial port: AT + RESTORE \ r \ n can reset
the local MODBU address, serial port baud rate, and parity parameters are the default parameters
(1,9600, no parity).
3. Modbus
3.1. Modbus Address table
Register address table
(
function code
:
0x01H
、
0x05H
、
0x0FH
、
0x03H
、
0x06H
、
0x10H
)
Address
Number
Attribute
Type
Value range
Support
function
code
00017
(0x0010)
1
DO1 Digital output
Read/write
0x0000 or
0xFF00
(
0x05
function code
)
0-1
(
0x01
、
0x0Ffunction
code
)
0x01
0x05
0x0F
00018
(0x0011)
1
DO2 Digital output
Read/write
00019
(0x0012)
1
DO3 Digital output
Read/write
00020
(0x0013)
1
DO4 Digital output
Read/write
00021(0x0014)
1
DO5 Digital output
Read/write
00022(0x0015)
1
DO6 Digital output
Read/write
00023
(
0x0016
)
1
DO7 Digital output
Read/write
00024
(
0x0017
)
1
DO8 Digital output
Read/write
Reserve
10017
(0x0010)
1
DI1 Digital input
Read only
0-1
0x02
10018
(0x0011)
1
DI2 Digital input
Read only
10019
(0x0012)
1
DI3 Digital input
Read only
10020
(0x0013)
1
DI4 Digital input
Read only
10021
(0x0014)
1
DI5 Digital input
Read only
10022
(0x0015)
1
DI6 Digital input
Read only
10023
(0x0016)
1
DI7 Digital input
Read only
10024
(0x0017)
1
DI8 Digital input
Read only
Reserve
40049
(0x0030)
1
DI1 Pulse count value
Read only
0-65535
0x03
40050
(0x0031)
1
DI2 Pulse count value
Read only
0-65535
Содержание E831-RTU(8080T-485)
Страница 10: ...2 2 Size Interface description ...