Moeller DF51 - Page 163

10/05 AWB8230-1541GB
The network protocol
159
Writing to holding register [10
hex
]
This function writes data in consecutive holding registers.
Example:
• Acceleration time 1 (PNU F002). Write 3000 Hz as value to the
frequency inverter with slave address 1.
•A value of
3000 seconds is transferred to holding registers
0024
hex
and 0025
hex
in the form of the value 300000
(493E0
hex
). The first value is 0.01 s.
If the data written to the selected holding registers contains errors,
an exception message is issued (a page 160).
Request: Answer:
No. Name Exampl
e
No. Name Exampl
e
hex hex
1 Slave address (broadcast disabled) 01 1 Slave address 01
2 Function code 10 2 Function code 10
3 Start address (High byte) 00 3 Start address (High byte) 00
4 Start address (Low byte) 24 4 Start address (Low byte) 24
5 Number of holding registers (High byte) 00 5 Number of holding registers (High byte) 00
6 Number of holding registers (Low byte) 02 6 Number of holding registers (Low byte) 02
7
Byte number
1)
04 7 CRC-16 (High byte) 01
8 Change data 1 (High byte) 00 8 CRC-16 (Low byte) C3
9 Change data 1 (Low byte) 04
10 Change data 2 (High byte) 93
11 Change data 2 (Low byte) E0
12 CRC-16 (High byte) DC
13 CRC-16 (Low byte) FD
1) The number of changing data bytes is entered here, not the number
of the holding register.