Digital input function
Select
Terminal
Reset Counter B
[65]
All
Mech. brake feedb.
[70]
All
Mech. brake feedb. inv.
[71]
All
PID error inv.
[72]
All
PID reset I-part
[73]
All
PID enable
[74]
All
PTC card 1
[80]
All
PROFIdrive OFF2
[91]
All
PROFIdrive OFF3
[92]
All
Light-load detection
[94]
All
Evacuation
[95]
All
Mains loss
[96]
32, 33
Mains loss inverse
[97]
32, 33
Start edge triggered
[98]
All
Power limit mot.
[231]
All
Power limit gen.
[232]
All
Power limit both
[233]
All
Light load + evacuation
[234]
All
standard terminals are 18, 19, 27, 29, 32, and 33.
Functions dedicated to only 1 digital input are stated in the associated parameter.
All digital inputs can be programmed to these functions:
Table 283: Digital Inputs, Function Descriptions - 1
Option
Function
[0]
No operation
No reaction to signals transmitted to the terminal.
[1]
Reset
Resets the drive after a trip/alarm. Not all alarms can be reset.
[2]
Coast inverse
(Default digital input 27): Coast stop, inverted input (NC). The drive leaves the motor in free mode. Logic
0
⇒
coast stop.
[3]
Coast and re-
set inverse
Reset and coast stop inverted input (NC). Leaves the motor in free mode and resets the drive. Logic
0
⇒
coast stop and reset.
[4]
Quick stop in-
verse
Inverted input (NC). Generates a stop in accordance with quick stop ramp time set in
parameter 3-81
Quick Stop Ramp Time
. When the motor stops, the shaft is in free mode. Logic 0
⇒
quick stop.
[5]
DC brake in-
verse
Inverted input for DC brake (NC). Stops motor by energizing it with a DC current for a certain time peri-
od. See
parameter 2-01 DC Brake Current
to
parameter 2-03 DC Brake Cut In Speed [RPM]
. The function is
only active when the value in
parameter 2-02 DC Braking Time
is different from 0. Logic 0
⇒
DC brake.
[6]
Stop inverse
Stop inverted function. Generates a stop function when the selected terminal goes from logical level 1 to
logical level 0.
AU373327181955en-000101 / 130R1208
144 | Danfoss A/S © 2021.08
Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide
Содержание VLT AutomationDrive EZ FC 321
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