Danfoss VLT FC 102 User Manual page 34

Maintenance, Diagnostics, a...
Remote
Local
Table 6.2 Reference Site
AC brake
AMA finish OK
6 6
AMA ready
AMA running
Braking
Braking
maximum
Coast
Ctrl. ramp-down [1] Control ramp-down was selected in
Current high
Current low
DC hold
32
VLT
The speed reference is given from:
•
External signals.
•
Serial communication.
•
Internal preset references.
The drive system uses reference values from
the LCP.
[2] AC brake was selected in
parameter 2-10 Brake Function. The AC brake
overmagnetizes the motor to achieve a
controlled slow down.
Automatic motor adaptation (AMA) was
carried out successfully.
AMA is ready to start. Press [Hand On] to start.
AMA process is in progress.
The brake chopper is in operation. The brake
resistor absorbs the generative energy.
The brake chopper is in operation. The power
limit for the brake resistor defined in
parameter 2-12 Brake Power Limit (kW) has
been reached.
•
Coast inverse was selected as a function
for a digital input (parameter group 5-1*
Digital Inputs). The corresponding terminal
is not connected.
•
Coast activated by serial communication.
parameter 14-10 Mains Failure.
•
The mains voltage is below the value set
in parameter 14-11 Mains Fault Voltage Level
at mains fault.
•
The drive system ramps down the motor
using a controlled ramp down.
The drive system's output current is above the
limit set in parameter 4-51 Warning Current
High.
The drive system's output current is below the
limit set in parameter 4-52 Warning Speed Low.
DC hold is selected in parameter 1-80 Function
at Stop and a stop command is active. The
motor is held by a DC current set in
parameter 2-00 DC Hold Current.
Danfoss A/S © 08/2017 All rights reserved.
®
Parallel Drive Modules
DC stop
Feedback high
Feedback low
Freeze output
Freeze output
request
Freeze ref.
Jog request
Jogging
The motor is held with a DC current
(parameter 2-01 DC Brake Current) for a
specified time (parameter 2-02 DC Braking
Time).
•
DC brake is activated in parameter 2-03 DC
Brake Cut In Speed [RPM] and a stop
command is active.
•
DC brake (inverse) is selected as a function
for a digital input (parameter group 5-1*
Digital Inputs). The corresponding terminal
is not active.
•
The DC brake is activated via serial
communication.
The sum of all active feedbacks is above the
feedback limit set in parameter 4-57 Warning
Feedback High.
The sum of all active feedbacks is below the
feedback limit set in parameter 4-56 Warning
Feedback Low.
The remote reference is active, which holds
the present speed.
•
Freeze output was selected as a function
for a digital input (parameter group 5-1*
Digital Inputs). The corresponding terminal
is active. Speed control is only possible via
the speed-up and speed-down terminal
functions.
•
Hold ramp is activated via serial communi-
cation.
A freeze output command has been given, but
the motor remains stopped until a run
permissive signal is received.
Freeze reference was selected as a function for
a digital input (parameter group 5-1* Digital
Inputs). The corresponding terminal is active.
The drive system saves the actual reference.
Changing the reference is now only possible
via the speed-up and speed-down terminal
functions.
A jog command has been given, but the
motor is stopped until a run permissive signal
is received via a digital input.
The motor runs as programmed in
parameter 3-19 Jog Speed [RPM].
•
Jog was selected as function for a digital
input (parameter group 5-1* Digital Inputs).
The corresponding terminal (for example,
terminal 29) is active.
•
The jog function is activated via the serial
communication.
•
The jog function was selected as a reaction
for a monitoring function (for example, No
signal). The monitoring function is active.
MG37L202