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

RS-485 Installation and Set...
the high-order bits and the second contains the low-order
bits.
Example: Hex 0016E360 = 1.500.000 = 1,500 RPM.
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
7 7
(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
Slave Address
Function
Register Address HI
Register Address LO
Preset Data HI
Preset Data LO
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.
Field Name
Slave Address
Function
Register Address HI
Register Address LO
Preset Data HI
Preset Data LO
Error Check (CRC)
Table 7.28 Response
162
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
-
Danfoss A/S © Rev. 06/2014 All rights reserved.

7.11 Danfoss FC Control Profile

7.11.1 Control Word According to FC
Profile
Master-follower
CTW
Bit
no.:
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Illustration 7.16 CW Master to Follower
Bit Bit value=0
00 Reference value
01 Reference value
02 DC brake
03 Coasting
04 Quick stop
05 Hold output frequency
06 Ramp stop
07 No function
08 No function
09 Ramp 1
10 Data invalid
11 No function
12 No function
13 Parameter set-up
14 Parameter set-up
15 No function
Explanation of the control bits
Bits 00/01
Bits 00 and 01 are used to select between the 4 reference
values, which are pre-programmed in 3-10 Preset Reference
according to Table 7.29.
Programmed Parameter
reference value
1 [0] 3-10 Preset
Reference
2 [1] 3-10 Preset
Reference
3 [2] 3-10 Preset
Reference
4 [3] 3-10 Preset
Reference
Table 7.29 Control Bits
Speed ref.
Bit value=1
external selection lsb
external selection msb
Ramp
No coasting
Ramp
use ramp
Start
Reset
Jog
Ramp 2
Data valid
Relay 01 active
Relay 02 active
selection lsb
selection msb
Reverse
Bit 01 Bit 00
0 0
0 1
1 0
1 1
MG20Z202