Chengdu Ebyte Electronic Technology Co.,Ltd.
E150-400T30S user manual
Copyright ©2012–2022
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Chengdu Ebyte Electronic Technology Co.,Ltd.
23
Chapter 7 MODBUS Address Table
Register function
initial
address
Tpye
number
Data range
Use function
code
DO status
0x0000
Coil RW
1*4
0x05 function code:
0x0000/0xFF00
0x01/0x0F: function code
0x0000/0x0001
0x01、0x05、
0x0F
DO power-on state
0x0064
Coil RW
1*4
0x0000/0x0001
Default state of DO after
device restart
0x01、0x05、
0x0F
DI status
0x0000
discrete input R
1*4
0x0000/0x0001
Represents read current DI
status
0x02
AI Engineering value
0x0064
input register R
1*5
Analog signal shaping value (2
bytes)
For example: 2.125V -> 2125 ->
084D H
0x04
AI
floating point value
0x00C8
input register R
2*5
Analog signal floating point
value (4 bytes)
For example: 2.125V -> 0x4008
0x0000
0x04
AO
floating point value
0x0000
holding register
RW
2*2
Analog signal floating point
value (4 bytes)
For example: 2.125V -> 0x4008
0x0000
0x03、0x06、
0x10
AO
Power-up floating point
value
0x00C8
holding register
RW
2*2
AO output default value
after device restart
0x03、0x06、
0x10
DO
Power-on hold
0x06A4
holding register
RW
1*4
0x0000: Restart to restore
default state
0x0001: Restart to restore the
last state
0x03、0x06、
0x10
AO
output hold
0x0708
holding register
RW
1*2
0x0000: Restart to restore
default state
0x0001: Restart to restore
the last state
0x03、0x06、
0x10
PWM
output hold
0x076C
holding register
RW
1*2
0x0000: Restart to restore
default state
0x0001: Restart to restore the
last state
0x03、0x06、
0x10