Ebyte E870-E1 - Page 28

Chengdu Ebyte Electronic Technology Co., Ltd. E870-E1_User Manual_EN
Copyright ©2012
–
2022,
Chengdu Ebyte Electronic Technology Co., Ltd.
28
Register function
Register
address
Register
type
Number
operate
Data Range/Remarks
Related
function codes
DI status
0x0000
Discrete
input
4
R
0: No DI input;
1: DI input exists;
The storage device DI
captures the discrete input
state
R：0x02
AI related
Register function
Register
address
Register
type
Number
operate
Data Range/Remarks
Related
function codes
AI integer value
0x0064
input
register
2
R
0-20000, unit uA
R：0x04
AI floating point
0x00C8
input
register
2
R
0-20, unit mA;
4-byte IEEE754
single-precision
floating-point value,
big-endian storage ABCD
R：0x04
AI filter
parameters
0x04B0
holding
register
1
RW
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
R：0x03
W：0x06、0x10
AI sampling range
0x044C
holding
register
4
RW
AI channel sampling range
0x0000: 0 to 20 mA
0x0001: 4-20mA
R：0x03
W：0x06、0x10
Device property related
Register function
Register
address
Register
type
Number
operate
Data Range/Remarks
Related
function codes
Modbus address
0X07E8
holding
register
1
RW
Modbus address,
1～247 configurable
addresses
R：0x03
W：0x06
Module restart
0x07EA
holding
register
1
W
Write 0xFE55 to restart
W：0x06
baud rate
0x0834
holding
register
1
RW
See the baud rate code
table,
Default is 9600 (0x0003)
R：0x03
W：0x06、0x10
Check digit
0x0836
holding
register
1
RW
0x0000 no checksum
(default)
0x0001 odd parity
0x0002 Even parity
R：0x03
W：0x06、0x10
Stop bit
0x0837
holding
register
1
RW
0x0000 1bit(default)
0x0001 2bit
R：0x03
W：0x06、0x10