HLP-C100 Series Operating Manual
HLP-C100 Series
-
82
-
12.4 Read Holding Registers
Example: Read the value of C03.03
Transmit: 01 03 0B D5 00 02 D7 D7 (Hexadecimal)
Receive: 01 03 04 00 00 EA 60 B5 7B (Hexadecimal)
12.4 Force Single Coil
Example: write parameter to RAM and EEPROM
Transmit: 01 05 00 40 FF 00 8D EE (Hexadecimal)
Receive: 01 05 00 40 FF 00 8D EE (Hexadecimal)
Field
Description
00 20
Ouput f requency. Swap high and low, the data is 0x2000, so the
output f requency is 50% of C03.03. Why does 0x2000 correspond
to 50%, please see 12.6.
B8 24
CRC check
Transmit data
Field
Description
01
FC address
03
Function
0B D5
Register address(ADDRH ADDRL). The register address of
C03.03 is 303*10-1=3029 (0x0BD5)
00 02
The number of read registers is 2
D7 D7
CRC check
Receive data
Field
Description
01
FC address
03
Function
04
The byte number of received data
00 00 EA 60
0x0000EA60 convert to decimal number is 60000. So the value
of C03.03 is 60000*0.001=60.000
B5 7B
CRC check
