Danfoss VLT AutomationDrive FC 300 Design Manual page 180

9. RS-485 Installation and Set-up
Bit 11, No function/Slow down
Is used to reduce the speed reference value by the amount given in par. 3-12
reference value occurs. When bit 11 = "1", the reference value is reduced.
Bit 12, No function/Catch up
Is used to increase the speed reference value by the amount given in par. 3-12
When bit 12 = "0", no modification of the reference value occurs.
When bit 12 = "1", the reference value is increased.
If both - slowing down and accelerating - are activated (bit 11 and 12 = "1"), slowing down has priority, i.e. the speed reference value will be reduced.
Bits 13/14, Set-up selection
Bits 13 and 14 are used to choose between the four parameter set-ups
according to the following table:
The function is only possible if
Active set-up. The selection in par. 8-55
bits 13 and 14 are linked with the corresponding function of the digital
inputs. Changing set-up while running is only possible if the set-ups have
been linked in par. 0-12
Bit 15, No function/Reverse
Bit 15 = "0" causes no reversing.
Bit 15 = "1" causes reversing.
Note: In the factory setting reversing is set to
9
NB!
Bit 15 causes reversing only when
180
Multi Set-up has been chosen in par. 0-10
Set-up select
determines how
This set-up linked to
.
digital in par. 8-54
Ser. communication, Logic or
MG.33.BA.02 - VLT
Catch up/slow down
value. When bit 11 = "0", no modification of the
Catch up/slow down value
Set-up
1
2
3
4
Reversing select .
Logic and
or is selected.
® is a registered Danfoss trademark
FC 300 Design Guide
.
Bit 13 Bit 14
0 0
1 0
0 1
1 1