Danfoss vlt aqua Manuel utilisateur
VLT® AQUA Drive
Training Session Hand Outs
www.danfossdrives.com
Danfoss FC Drive LCP Display Layout
Danfoss FC drives have a total of 5 possible variables that can be set up and displayed to
the user. There is also a 3 word status line at the bottom of the display. The status line
tells you what the drive is doing, or being commanded to do.
These displays are very powerful tools for setting up and troubleshooting a system. It is
good practice to set them up when commissioning a drive. They are labeled “Display
Line 1.1 Small (P 0-20), “Display Line 1.2 Small (P 0-21), “Display Line 1.3 Small (P
0-22), Display Line 2 Large (P 0-23) and Display Line 3 Large (P 0-24).
The illustration below shows the layout of the displays. You can display the variables in
several different ways. Refer to the next page for the available display choices.
NOTE: Any variable that is being displayed on the LCP can also be shown as a graph using
Quick Menu “Q6 Loggings”
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These variables can be viewed temporarily using the given “Data Readout” parameters, or
set up on the display permanently in the “Operation / Display” (0-20) menu group
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Status Messages
As stated previously, the bottom line tells you the current status of the drive.
The first (left) word will appear as either “Hand”, “Off” or “Auto”. This indicates what
type of control the drive is set for. Hand means the drive is started locally by the LCP
“Hand On” button, and the speed is controlled by the up and down arrows. Auto means
the drive is setup to be controlled remotely via digital inputs or serial communication.
Off means the drive is not able to run in either mode.
The second (middle) word states where the drives reference comes from. The two
choices are “Local” and “Remote”. “Local” means the reference will be entered with the
LCP arrow keys. “Remote” means that the reference will either come from an external
source feeding an analog input, serial communication or a preset.
The last (right) word describes the state of the frequency converter. The charts on the
following pages give a description of these status words.
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Below are a list of the actual status words (far right on display) and what they mean
Operation Status
AC Brake
AC-Brake was selected in par. 2-10 Brake Function. The motor is slowed down via the active down
ramp and feeds the FC with generative energy. The AC Brake over-magnetizes the motor to achieve
a controlled end of the active ramp.
AMA finish OK
Enable complete or reduced AMA was selected in par. 1-29 Automatic Motor Adaptation (AMA).
The Automatic Motor Adaptation was carried out successfully.
AMA ready
Enable complete or reduced AMA was selected in par. 1-29 Automatic Motor Adaptation (AMA).
The Automatic Motor Adaptation is ready to start. Press [Hand On] on the LCP to start.
AMA running
Enable complete or reduced AMA was selected in par. 1-29 Automatic Motor Adaptation (AMA).
The AMA process is in progress.
Braking
The brake chopper is in operation. Generative energy is absorbed by the Brake resistor.
Braking max.
The brake chopper is in operation. The power limit for the brake resistor defined in par.
2-12 Brake Power Limit (kW) is reached.
Bus Jog 1
PROFIDrive profile was selected in par. 8-10 Control Word Profile. Via serial communication the
Jog 1 function is activated. The Motor is running with par. 8-90 Bus Jog 1 Speed.
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Bus Jog 2
PROFIDrive profile was selected in par. 8-10 Control Word Profile. Via serial communication the Jog 2
function is activated. The Motor is running with par. 8-91 Bus Jog 2 Speed.
Catch up
The output frequency is corrected by the value set in par. 3-12 Catch up/slow Down Value.
1. Catch up is selected as a function for a digital input (parameter group 5-1*). The corresponding
terminal is active.
2. Catch up was activated via serial communication.
Coast
1. Coast inverse has been selected as a function for a digital input (parameter group 5-1*).
The corresponding terminal (e.g. Terminal 27) is not connected to 24 volts.
2. Coast is on 0 on serial communication
Control ready
PROFIDrive profile was selected in par. 8-10 Control Word Profile. The FC needs the second part of
the two-part serial start command (e.g. 0x047F) via serial communication to allow starting. Using an
input terminal is not possible.
Ctrl. Ramp-down
A function with Ctrl. Ramp-down was selected in par. 14-10 Mains Failure. The Mains Voltage is
below the value set in par. 14-11 Mains Voltage at Mains Fault. The FC ramps down the motor
using a controlled ramp-down.
Current High
In par. 4-51 Warning Current High a current limit is set. It is displayed when the output current of the
FC is above this limit.
Current Low
In par. 4-52 Warning Speed Low a current limit is set. The output current of the FC is below this
limit.
DC Hold
The Motor is driven with a permanent DC current, par. 2-00 DC Hold Current. DC hold is selected
in par. 1-80 Function at Stop. A Stop command (e.g. Stop (inverse)) is active.
DC Stop
The Motor is momentarily driven with a DC current, par. 2-01 DC Brake Current, for a specified
time, par. 2-02 DC Braking Time.
1. DC-Brake is activated (OFF) in par. 2-03 DC Brake Cut In Speed [RPM] and a Stop command
(e.g. Stop (inverse)) is active.
2. DC Brake (inverse) is selected as a function for a digital input (parameter group 5-1*).
The corresponding terminal is not active.
3. The DC Brake is activated via serial communication.
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DC Voltage U0
In par. 1-01 Motor Control Principle U/f and in par. 1-80 Function at Stop DC-Voltage U0 is selected.
A Stop command (e.g. Stop (inverse)) is activated. The Voltage selected according to the
par. 1-55 U/f Characteristic - U [0] (U/f-Characteristic – U[V]) is applied to the Motor.
Feedback high
In par. 4-57 Warning Feedback High, an upper Feedback limit is set. The warning is displayed when
the sum of all active feedbacks is below this feedback limit.
Feedback low
In par. 4-56 Warning Feedback Low, a low Feedback limit is set. The warning is displayed when the
sum of all active feedbacks is below this feedback limit.
Flying start
In par. 1-73 Flying Start the Flying start function is activated. The FC is searching for the unknown
shaft speed of the connected motor, within the adjusted speed range. The process was started by
A start command, re-connecting a digital input (parameter group 5-1*) programmed as Coast inverse
or by connecting the Mains.
Freeze output
The remote reference is active and the momentarily given speed is saved.
1. Freeze output was selected as a function for a digital input (Group 5-1*). The corresponding terminal
is active. Speed control is only possible via the terminal functions “Speed up and Speed down”.
Freeze output request
A freeze output command has been given, but the motor will remain stopped until a Run permissive
signal is received via a digital input.
Freeze Ref.
Freeze Ref. was chosen as a function for a digital input (parameter group 5-1*). The corresponding
terminal is controlled. The FC saves the actual reference. Changing the reference is now only
possible via terminal functions Speed up and Speed down.
Jog request
A JOG command has been given, but the motor will be stopped until a Run permissive signal is
received via a digital input.
Jogging
The Motor is running with par. 3-19 Jog Speed [RPM].
1. Jog was selected as function for a digital input (parameter group 5-1*). The corresponding
terminal (e.g. Terminal 29) is active.
2. The Jog function is activated via the serial communication.
3. The Jog function was selected as a reaction for a monitoring function (e.g. No signal).
The monitoring function is active.
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Kinetic back-up
In par. 14-10 Mains Failure a function was set as Kinetic back-up. The Mains Voltage is below the value
set in par. 14-11 Mains Voltage at Mains Fault. The FC is running the motor momentarily
with kinetic energy from the inertia of the load.
Motor check (FC 100/200 only)
In par. 1-80 Function at Stop the function Motor check was selected. A stop command (e.g. Stop
inverse) is active. To ensure, that a Motor is connected to the FC a permanent test current is
applied to the Motor.
Off1
PROFIDrive profile was selected in par. 8-10 Control Word Profile. Via serial communication the
OFF 1 function is activated. The Motor is stopped via the ramp.
Off2
PROFIDrive profile was selected in par. 8-10 Control Word Profile. Via serial communication the
OFF 2 function is activated. The output of the FC is disabled immediately and the motor coasted.
Off3
PROFIDrive profile was selected in par. 8-10 Control Word Profile. Via serial communication the
OFF 3 function is activated. The Motor is stopped via the ramp.
OVC control
Over Voltage Control is activated in par. 2-17 Over-voltage Control. The connected Motor is supplying
the FC with generative energy. The Over Voltage Control is adjusting the U/f ratio, to run
the motor in controlled mode and to prevent the FC from tripping.
PowerUnit Off
Only with drives with installed Option (ext. 24 V supply). The mains supply to the drive is cut off,
but the control card is still supplied with 24 V.
Premagnetise
Pre-magnetisation is selected in par. 1-80 Function at Stop. A stop command (e.g. Stop inverse)
is activated. A suitable constant magnetising current is applied to the Motor.
Protection md
The FC 100/200/300 has detected a critical status (e.g. an over current, over voltage). To avoid
the drive to trip (Alarm) the Protection Mode was activated, which among others reduces the
switching frequency to 4 kHz. If possible, the protection mode ends after approximately 10 s.
Activation of the Protection Mode can be restricted by adjusting the par. 14-26 Trip Delay at
Inverter Fault.
Q-Stop
1. Quick stop inverse was chosen as a function for a digital input (parameter group 5-1*).
The corresponding terminal (e.g. Terminal 27) is not active.
2. The Quick stop function was activated via serial communication.
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Ramping
The motor is accelerating/decelerating using the active Up/Down ramp. The reference, a limit
value or a standstill is not yet reached.
Ref. high
In par. 4-55 Warning Reference High a reference high limit is set. The sum of all active references
is above the reference limit.2
Ref. low
In par. 4-55 Warning Reference High a reference low limit is set. The sum of all active references
is below the reference limit.
Run on ref.
The FC is running in the reference range. The feedback value matches the set reference value.
Run request (FC 100/200 only)
A start command has been given, but the motor will be stopped until a Run permissive signal is
received via digital input.
Running
The Motor is driven by the FC, the ramping phase is done and the motor revolutions are outside
the "On Reference" range. Occurs when one of the motor speed limits (Par. 4-11 / 4-12 / 4-13 or
4-14) is set, but the maximum reference is outside this range.
Sleep Boost (FC 100/200 only)
The boost function in parameter 406Boost setpoint is enabled. This function is only possible in
Closed loop operation.
Sleep Mode (FC 100/200 only)
The energy saving function in parameter 403Sleep mode timer is enabled. This means that at
present the motor has stopped, but that it will restart automatically when required.
Slow down
The output frequency is corrected by the value set in par. 3-12 Catch up/slow Down Value.
1. Slow down was selected as a function for a digital input (parameter group 5-1*). The corresponding
terminal is active.
2. Slow down was activated via serial communication.
Speed high
In par. 4-53 Warning Speed High a value is set. The speed of the motor is above this value.
Speed low
In par. 4-52 Warning Speed Low a value is set. The speed of the motor is below this value.
Standby
[Auto On] The FC starts the motor at a start signal on a digital input (if the parameter is programmed
accordingly) or via serial communication.
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Start delay
In par. 1-71 Start Delay, the delay of the starting time was set. A Start command was activated
and the delay time is still running. The Motor will start after the delay time has expired.
Start fwd/rev
Enable start forward and Enable start reverse were selected as functions for two different digital
inputs (parameter group 5-1*). To start the motor a direction dependent start signal has to be
given and the corresponding terminal has to be active.
Start inhibit
PROFIDrive profile was selected in par. 8-10 Control Word Profile. The start inhibition is active.
The FC needs the first part (e.g. 0x047E) of the two-part start command via serial communication
to allow starting. See also operation status control ready.
Stop
[Off] was pressed on the LCP or Stop inverse was selected as a function for a digital input (Group
5-1*). The corresponding terminal is not active.
Trip
An alarm occurred. It is possible, provided the cause of the alarm is cleared, to reset the alarm
via a Reset signal ([Reset]-Key on the LCP, a control terminal or serial communication).
Trip lock
A serious alarm occurred. It is possible, provided the cause of the alarm was cleared, to reset the
alarm after the mains have been switched off and on again. This can be done via a reset signal
([Reset] on the LCP, a control terminal or serial communication).
Unit/Drive not ready
PROFIDrive profile was selected in par. 8-10 Control Word Profile. A Control word is sent to the
FC via serial communication with Off 1, Off 2 and Off 3 active. Start inhibit is active. To enable
Start, see operation status Start inhibit.
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