24 - 40
021774/07/14
6.2.2 Commands (Holding Register)
All commands of the weather station WSC11 consume 32Bit, i.e. 2 MODBUS register addresses, and
are representing unsigned integral numbers. The following example shows the changing of the baud
rate to 19200baud.
1. Set password for the user level (KY=234)
Slave
address
Function
code
Starting
address
Number
Registers
Number
byte(s)
Data
CRC
0x01
0x10
0x9C 49 0x00 02
0x04
0x00 00 00 EA 0x4F 7C
CRC
low-
Byte
CRC
high-Byte
2. Set command baud rate to 19200 baud (BR=6)
Slave
address
Function
code
Starting
address
Number
Registers
Number
byte(s)
Data
CRC
0x01
0x10
0x9C 45 0x00 02
0x04
0x00 00 00 06
0x4E A4
CRC
low-
Byte
CRC
high-Byte