Danfoss VLT AutomationDrive FC 300 Design Manual page 173

FC 300 Design Guide
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
to define how Bit 00/01 gates with the corresponding
function on the digital inputs.
Bit 02, DC brake:
Bit 02 = '0' leads to DC braking and stop. Set braking current and duration in par. 2-01
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.
3-10 [0]
3-10 [1]
3-10 [2]
3-10 [3]
Preset Reference Select
MG.33.BA.02 - VLT ® is a registered Danfoss trademark
9. RS-485 Installation and Set-up
Preset reference
Bit 01 Bit 00
0 0
0 1
1 0
1 1
DC Brake Current DC Braking Time
and 2-02
according to the following
9
. Bit 02 = '1' leads
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