Preset Single Register (06 Hex); Preset Multiple Registers (10 Hex) - Danfoss VLT Micro Drive FC 51 Design Manual

RS485 Installation and Set-...
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 8.29 Response

8.10.5 Preset Single Register (06 hex)

Description
This function presets a value into a single holding register.
Query
The query telegram 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 8.30 Query
Response
The normal response is an echo of the query, returned
after the register contents have been passed.
Field name Example (hex)
Slave address 01
Function 06
Register address HI 03
Register address LO E7
Preset data HI 00
Preset data LO 01
Error check (CRC) –
Table 8.31 Response
MG02K402
Design Guide

8.10.6 Preset Multiple Registers (10 hex)

Example (hex)
01
03 Description
This function presets values into a sequence of holding
04
registers.
00
16
Query
E3
The query telegram specifies the register references to be
60
preset. Register addresses start at 0, that is, register 1 is
– addressed as 0. Example of a request to preset 2 registers
(set parameter 1-24 Motor Current to 738 (7.38 A)):
Field name
Slave address
Function
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 8.32 Query
Response
The normal response returns the slave address, function
code, starting address, and quantity of registers preset.
Field name
Slave address
Function
Starting address HI
Starting address LO
Number of registers HI
Number of registers LO
Error check (CRC)
Table 8.33 Response
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Example (hex)
01
10
04
07
00
02
04
00
00
02
E2
–
Example (hex)
01
10
04
19
00
02
–
79
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