Preset Single Register (06 Hex) - Danfoss VLT HVAC Basic Drive FC 101 Design Manual

RS-485 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 7.29

7.10.5 Preset Single Register (06 HEX)

7 7
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 zero, that is, register 1 is
addressed as 0.
Example: Write to 1-00 Configuration Mode, register 1000.
Field Name
Slave Address
Function
Register Address HI
Register Address LO
Preset Data HI
Preset Data LO
Error Check (CRC)
Table 7.30
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 7.31
90
®
VLT HVAC Basic Drive Design Guide
Example (HEX)
01
03
04
00
16
E3
60
-
Example (HEX)
01
06
03 (Register address 999)
E7 (Register address 999)
00
01
-
Example (HEX)
01
06
03
E7
00
01
-
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MG18C402 - VLT is a registered Danfoss trademark
7.10.6 Preset Multiple Registers (10 HEX)
Description
This function presets values into a sequence of holding
registers.
Query
The query message specifies the register references to be
preset. Register addresses start at zero, that is, register 1 is
addressed as 0. Example of a request to preset two
registers (set 1-24 Motor Current to 738 (7.38 A)):
Field Name
Slave Address
Function
Starting Address HI
Starting Address LO
No. of Registers HI
No. 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 7.32
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
No. of Registers HI
No. of registers LO
Error Check (CRC)
Table 7.33
Example (HEX)
01
10
04
19
00
02
04
00
00
02
E2
-
Example (HEX)
01
10
04
19
00
02
-