Preset Single Register (06 Hex); Danfoss Fc Control Profile; Control Word According To Fc Profile (8-10 Control Profile=Fc Profile) - Danfoss VLT AQUA Drive FC 202 Design Manual

RS-485 Installation and Set...
Response
The register data in the response message are packed as 2
bytes per register, with the binary contents right justified
within each byte. For each register, the first byte contains
the high-order bits and the second contains the low-order
bits.
Example: Hex 0016E360 = 1.500.000 = 1,500 RPM.
Field Name Example (HEX)
Slave Address 01
Function 03
Byte Count 04
Data HI 00
(Register 3030)
Data LO 16
(Register 3030)
Data HI E3
(Register 3031)
Data LO 60
(Register 3031)
Error Check -
(CRC)
Table 7.26 Response

7.10.5 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 zero, that is, register 1 is
addressed as 0.
Example: Write to 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 7.27 Query
Response
The normal response is an echo of the query, returned
after the register contents have been passed.
®
VLT AQUA Drive FC 202 Design Guide
Field Name
Slave Address
Function
Register Address HI
Register Address LO
Preset Data HI
Preset Data LO
Error Check (CRC)
Table 7.28 Response

7.11 Danfoss FC Control Profile

7.11.1 Control Word According to FC
Bit
no.:
Illustration 7.16 CW Master to Slave
Bit
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
Explanation of the Control Bits
Bits 00/01
Bits 00 and 01 are used to choose between the four
reference values, which are pre-programmed in 3-10 Preset
Reference according to Table 7.31.
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MG20Z102 - VLT is a registered Danfoss trademark
Example (HEX)
01
06
03
E7
00
01
-
Profile (8-10 Control Profile=FC
profile)
Master-slave
CTW
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit value=0 Bit value=1
Reference value external selection lsb
Reference value external selection msb
DC brake Ramp
Coasting No coasting
Quick stop Ramp
Hold output frequency use ramp
Ramp stop Start
No function Reset
No function Jog
Ramp 1 Ramp 2
Data invalid Data valid
No function Relay 01 active
No function Relay 02 active
Parameter set-up selection lsb
Parameter set-up selection msb
No function Reverse
7
Speed ref.
179
7