Read Commands; Modbus Rtu Aidoo; Write Commands - Airzone Modbus Bedienungsanleitung

Read commands

•
Request
Byte
0 System address (1-247) (0: Broadcast)
1
2
EN
3
4
5
6
7

MODBUS RTU AIDOO

Write commands

•
Write to single register
Provided no error occurs, the response must be in exactly the same format as the write
command.
18
Field
Read registers (3/4)
Zone address
Start register address
Number of registers to read (N)
CRC
Byte
0
1
2
3
4
5
6
7
•
Response
Byte
0
1
2
3
4
3 + 2·N
4 + 2·N
5 + 2·N
6 + 2·N
Field
Secondary address (1-247) (0: Broadcast)
Write to single register (6)
Register address
Data to write
CRC
Field
System address (1-247) (0: Broadcast)
Read registers (3/4)
Number of response bytes (2·N)
Data to read from register 0
...
Data to read from register N
CRC