•
Parameter 208 Ramp-down time
•
Parameter 002 Local/remote operation
•
Parameter 003 Local reference
Parameters 102-106 can be read out from the motor's
nameplate.
1.12.5 Hand Auto
During normal operation, the frequency converter is in
Auto mode, where the reference signal is given externally,
analog or digital via the control terminals. However, in
Hand mode, it is possible to give the reference signal
locally via the control panel.
On the control terminals, the following control signals
remain active when Hand mode is activated:
•
Hand start (LCP2)
•
Off stop (LCP2)
•
Auto start (LCP2)
•
Reset
•
Coasting stop inverse
•
Reset and coasting stop inverse
•
Quick stop inverse
•
Stop inverse
•
Reversing
•
DC braking inverse
•
Set-up select LSB
•
Set-up select MSB
•
Thermistor
•
Precise stop inverse
•
Precise stop/start
•
Jog
•
Stop command via serial comm.
Press [Change Data] in display mode to switch the mode
of the frequency converter.
Illustration 1.20 Mode Switch
Scroll up/down to switch to Hand mode.
Illustration 1.21 Switch to Hand Mode
When the frequency converter is in Hand mode the
readout is like
Illustration 1.22 Hand Mode Readout
and the reference can be changed with the following keys:
Illustration 1.23 Reference Change
NOTICE
Parameter 020 may block the choice of mode.
1.12.6 Automatic Motor Tuning
Automatic motor tuning (AMT) is performed as follows:
1.
In parameter 107 Automatic motor tuning select
data value [2] Optimisation on (AMT start). “107”
flashes, and “2” does not flash.
2. Press [Start] to activate AMT. “107” now flashes
and dashes move from left to right in the data
value field.
3. When “107” appears once more with the data
value [0] Optimisation off, AMT is complete. Press
[Stop/Reset] to save the motor data.
4.
“107” continues to flash with the data value [0]
Optimisation off.
NOTICE
VLT 2880-2882 do not have AMT function.
Introduction to VLT 2800 Design Guide
MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved. 25
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