Preset Single Register (06 Hex); Preset Multiple Registers (10 Hex) - Danfoss VLT DriveMotor FCP 106 Programming Manual

RS485 Installation and Set-...
Field name Example (hex)
Slave address 01
Function 03 (Read holding registers)
Starting address HI 0B (Register address 3029)
Starting address LO D5 (Register address 3029)
Number of points HI 00
Number of points LO 02 – (parameter 3-03 Maximum
Reference is 32 bits long, that is, 2
registers)
Error check (CRC) –
Table 3.18 Query
Response
The register data in the response message is packed as 2
bytes per register, with the binary contents right justified
within each byte. For each register, the 1st byte contains
the high-order bits, and the2nd contains the low-order
bits.
Example: hex 000088B8=35.000=35 Hz.
Field name
Slave address
Function
Byte count
Data HI (register 3030)
Data LO (register 3030)
Data HI (register 3031)
Data LO (register 3031)
Error check (CRC)
Table 3.19 Response

3.10.2 Preset Single Register (06 hex)

Description
This function presets a value into a single holding register.
Query
The query message specifies the register reference to be
preset. Register addresses start at 0, that is, register 1 is
addressed as 0.
Example: Write to parameter 1-00 Configuration Mode,
register 1000.
Field name Example (hex)
Slave address 01
Function 06
Register address HI 03 (Register address 999)
Register address LO E7 (Register address 999)
Preset data HI 00
Preset data LO 01
Error check (CRC) –
Table 3.20 Query
MG03N202
Programming Guide
Response
The normal response is an echo of the query, returned
after the register contents have been passed.
Field name
Slave address
Function
Register address HI
Register address LO
Preset data HI
Preset data LO
Error check (CRC)
Table 3.21 Response

3.10.3 Preset Multiple Registers (10 hex)

Description
This function presets values into a sequence of holding
registers.
Query
Example (hex)
The query message specifies the register references to be
01
preset. Register addresses start at 0, that is, register 1 is
03
addressed as 0. Example of a request to preset 2 registers
04
(set parameter 1-24 Motor Current to 738 (7.38 A)):
00
Field name
16
Slave address
E3
Function
60
Starting address HI
–
Starting address LO
Number of registers HI
Number of registers LO
Byte count
Write data HI
(Register 4: 1049)
Write data LO
(Register 4: 1049)
Write data HI
(Register 4: 1050)
Write data LO
(Register 4: 1050)
Error check (CRC)
Table 3.22 Query
Response
The normal response returns the slave address, function
code, starting address, and quantity of registers preset.
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Example (hex)
01
06
03
E7
00
01
–
Example (hex)
01
10
04
07
00
02
04
00
00
02
E2
–
29
3 3