Modbus; Register Address Table - Ebyte E821-RTU User Manual

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Modbus

3.

3.1 Register Address Table

Register Address Table (Function table: 0x03H, 0x04H, 0x06H, 0x10H)
Number
Register
of
Address
registers
30017 (0x0010)
30018 (0x0011)
30019 (0x0012)
30020 (0x0013)
40078
(0x004D)
40079
(0x004E)
40080 (0x004F)
40081(0x0050)
40084(0x0053)
40098 (0x0061)
40104 (0x0067)
40108
(0x006B)
40122 (0x0079)
40130 (0x0081)
40146 (0x0091)
40150 (0x0095) 21
40234
21
(0x00E9)
40318
(0x013D)
40322 (0x0141)
40330 (0x0149)
40336 (0x014F)
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Register properties
1 AI4 Input value/uA
1 AI3 Input value/uA
1 AI2 Input value/uA
1 AI1 Input value/uA
1 Device address
1 Baud rate
1 Parity bit
Master mode or
1
slave mode
Reserve
1 Set Analog range
3 Set MAC address
1 Ethernet restart
7 WAN port IP info
4 Set DNS info
Set Network protocol
4
parameters
Set registration
1
package mode
Set registration
package content
Set heartbeat
package content
Set heartbeat
1
package mode
1 Set heartbeat time
1 Set clear cache
Set keep-alive
3
parameters
Register Register
type value range
Read only
Read only
0-20000
Read only
Read only
Reserve
Read/Write 1 - 247
Read/Write 0 - 7
Read/Write 0 - 2
Read/Write 0 - 1
Read/Write 0 - 1
Reserve
Read -
Read/Write -
Read/Write -
Read/Write -
Read/Write -
Read/Write 0-4
Read/Write -
Read/Write -
Read/Write 0-1
Read/Write 0、2-65535
Read/Write 0-1
Read/Write -
E821-RTU (0400-ETH)User Manual
Function
Default value
Code
-
-
0x03
0x04
-
-
01
03
0x03
00
0x06
01
01
-
-
Static
192.168.4.101
255.255.255.0
192.168.4.1
61.139.2.69
192.168.4.1
TCPS,192.168.
4.10, 8886
"0" Close the
registration
package
0x03
regist msg
0x06
0x10
heartbeat msg
"0" Network
heartbeat
package
0
Do not clear
the cache data
of the
SOCKET A1
link
Detection time:
10s, Detection
interval: 5s,
Detection
times: 30
13