Danfoss Fc Control Profile - Danfoss VLT AQUA Drive Series Design Manual

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VLT AQUA Drive Design Guide

7.11 Danfoss FC Control Profile

7.11.1 Control Word According to FC Profile(par. 8-10
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 choose between the four reference values, which are pre-programmed in par. 3-10
table:
Programmed ref. value
1
2
3
4
NB!
Make a selection in par. 8-56
inputs.
Bit 02, DC brake:
Bit 02 = '0' leads to DC braking and stop. Set braking current and duration in par. 2-01
leads to ramping.
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
Par.
par. 3-10 Preset Reference [0]
Preset Reference
par. 3-10 [1]
par. 3-10 Preset Reference [2]
Preset Reference
par. 3-10 [3]
Preset Reference Select to define how Bit 00/01 gates with the corresponding function on the digital
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MG.20.N5.02 - VLT is a registered Danfoss trademark
7 RS-485 Installation and Set-up
Control Profile
= FC profile)
Preset Reference
Bit 01 Bit 00
0 0
0 1
1 0
1 1
DC Brake Current
and par. 2-02
7
according to the following
DC Braking Time
. Bit 02 = '1'
189