Parameter
Option
Default
Function
Parameter 3-41 Ramp 1 Ramp
Up Time
0.05–3600.0 s
90.00 s
Ramp-up time from 0 to
parameter 1-25
Motor Nominal Speed
.
Parameter 3-42 Ramp 1 Ramp
Down Time
0.05–3600.0 s
30.00 s
Ramp-down time from nominal motor
speed to 0.
Parameter 5-12 Terminal 27 Dig-
ital Input
[0] No operation
[1] Reset
[2] Coast inverse
[3] Coast and reset inverse
[4] Quick stop inverse
[5] DC-brake inverse
[6] Stop inverse
[7] External Interlock
[8] Start
[9] Latched start
[10] Reversing
[11] Start reversing
[14] Jog
[16] Preset ref bit 0
[17] Preset ref bit 1
[18] Preset ref bit 2
[19] Freeze reference
[20] Speed up
[22] Speed down
[23] Set-up select bit 0
[34] Ramp bit 0
[52] Run permissive
[53] Hand start
[54] Auto start
[60] Counter A (up)
[6] Stop in-
verse
Select the input function for terminal 27.
Programming
Operating Guide | VLT® Compressor Drive CDS 803
AQ321748767627en-000101 / 130R0570
28 | Danfoss A/S © 2019.12