Danfoss VLT Series Design Manual page 162

7. RS-485 Installation and Set-up
Bit 09, Selection of ramp 1/2:
Bit 09 = "0": Ramp 1 is active (par. 3-40 to 3-47). Bit 09 = "1": Ramp 2 (par. 3-50 to 3-57) is
active.
Bit 10, Data not valid/Data valid:
Tell the adjustable frequency drive whether to use or ignore the control word. Bit 10 = '0': The
control word is ignored. Bit 10 = '1': The control word is used. This function is relevant because
the telegram always contains the control word, regardless of the telegram type. Thus, you can
turn off the control word if you do not want to use it when updating or reading parameters.
Bit 11, Relay 01:
Bit 11 = "0": Relay not activated. Bit 11 = "1": Relay 01 activated provided that
11
is chosen in par. 5-40
Bit 12, Relay 04:
Bit 12 = "0": Relay 04 is not activated. Bit 12 = "1": Relay 04 is activated provided that
word bit 12
Bit 13/14, Selection of set-up:
7
Use bits 13 and 14 to choose from the four
menu set-ups according to the shown table: .
The function is only possible when
ups is selected in par. 0-10
Bit 15 Reverse:
Bit 15 = '0': No reversing. Bit 15 = '1': Reversing. In the default setting, reversing is set to digital
in par. 8-54
Logic and is selected.
162
Function relay
.
Function relay
is chosen in par. 5-40
Multi Set-
Active Set-up.
Reversing Select . Bit 15 causes reversing only when Ser. communication, Logic or or
MG.11.B4.22 - VLT
.
Set-up Bit 14
1 0
2 0
3 1
4 1
NOTE
Make a selection in par. 8-55
Set-up select
13/14 gates with the corre-
sponding function on the digital
inputs.
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VLT ® HVAC Drive Design Guide
Control word bit
Control
Bit 13
0
1
0
1
to define how Bit