Danfoss VLT Flow Drive FC 111 - 8.10.7 Preset Multiple Registers (10 hex)

Table 78: Query
Field name
Example (hex)
Follower address
01
Function
06
Starting address HI
03 (register address 999)
Starting address LO
E7 (register address 999)
Preset data HI
00
Preset data LO
01
Error check (CRC)
–
Response
The normal response is an echo of the query, returned after the register contents have been passed.
Table 79: Response
Field name
Example (hex)
Follower address
01
Function
06
Register address HI
03
Register address LO
E7
Preset data HI
00
Preset data LO
01
Error check (CRC)
–
8.10.7 Preset Multiple Registers (10 hex)
Description
This function presets values into a sequence of holding registers.
Query
The query telegram specifies the register references to be 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)):
Table 80: Query
Field name
Example (hex)
Follower address
01
Function
10
Starting address HI
04
Starting address LO
07
Number of registers HI
00
Number of registers LO
02
Byte count
04
Write data HI (Register 4: 1049)
00
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RS485 Installation and Set-up
VLT® Flow Drive FC 111
Design Guide