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Chengdu Ebyte Electronic Technology Co., Ltd.
Register
Register function
address
DI status
0x0000
AI related
Register
Register function
address
AI integer value
0x0064
AI floating point
0x00C8
AI filter
0x04B0
parameters
AI sampling range
0x044C
Device property related
Register
Register function
address
Modbus address
0X07E8
Module restart
0x07EA
baud rate
0x0834
Check digit
0x0836
Stop bit
0x0837
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Register
Number
operate
type
Discrete
4
input
Register
Number
operate
type
input
2
register
input
2
register
holding
1
RW
register
holding
4
RW
register
Register
Number
operate
type
holding
1
RW
register
holding
1
W
register
holding
1
RW
register
holding
1
RW
register
holding
1
RW
register
Data Range/Remarks
0: No DI input;
1: DI input exists;
R
The storage device DI
captures the discrete input
state
Data Range/Remarks
R
0-20000, unit uA
0-20, unit mA;
4-byte IEEE754
R
single-precision
floating-point value,
big-endian storage ABCD
Analog input filter
parameter, the range is
1-16, the smaller the
number, the more sensitive,
the larger the more stable,
the default is 6
AI channel sampling range
0x0000: 0 to 20 mA
0x0001: 4-20mA
Data Range/Remarks
Modbus address,
1～247 configurable
addresses
Write 0xFE55 to restart
See the baud rate code
table,
Default is 9600 (0x0003)
0x0000 no checksum
(default)
0x0001 odd parity
0x0002 Even parity
0x0000 1bit(default)
0x0001 2bit
E870-E1_User Manual_EN
Related
function codes
R：0x02
Related
function codes
R：0x04
R：0x04
R：0x03
W：0x06、0x10
R：0x03
W：0x06、0x10
Related
function codes
R：0x03
W：0x06
W：0x06
R：0x03
W：0x06、0x10
R：0x03
W：0x06、0x10
R：0x03
W：0x06、0x10
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