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7.11 Danfoss FC Control Profile
7.11.1 Control Word According to FC Profile(par. 8-10
Control Profile = FC profile)
Bit
Bit value = 0
Bit value = 1
00
Reference value
external selection lsb
01
Reference value
external selection msb
02
DC brake
Ramp
03
Coasting
No coasting
04
Quick stop
Ramp
05
Hold output frequency
use ramp
06
Ramp stop
Start
07
No function
Reset
08
No function
Jog
09
Ramp 1
Ramp 2
10
Data invalid
Data valid
11
No function
Relay 01 active
12
No function
Relay 02 active
13
Parameter set-up
selection lsb
14
Parameter set-up
selection msb
15
No function
Reverse
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
Preset Reference according to the following
table:
Programmed ref. value
Par.
Bit 01
Bit 00
1
par. 3-10
Preset Reference [0]
0
0
2
par. 3-10
Preset Reference [1]
0
1
3
par. 3-10
Preset Reference [2]
1
0
4
par. 3-10
Preset Reference [3]
1
1
NB!
Make a selection in par. 8-56
Preset Reference Select to define how Bit 00/01 gates with the corresponding function on the digital
inputs.
Bit 02, DC brake:
7 RS-485 Installation and Set-up
Automation VT Drive FC322 Design Guide
222
MG.20.X1.22 - VLT
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is a registered Danfoss trademark
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