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R
REC
=
478.801
P
MOTOR
ˑ
at
500
V
R
REC
=
630.137
P
MOTOR
ˑ
at
600
V
R
REC
=
855.868
P
MOTOR
ˑ
at
690
V
P motor in kW.
NOTE
The max. brake resistance selected
should have an ohmic value max. 10%
lower than that recommended by Dan-
foss. If a brake resistor with a higher ohm-
ic value is selected, the 160% braking
torque will not be achieved and there is a
risk that the adjustable frequency drive will
cut out for safety reasons. For further in-
formation, please consult Brake Resistor
Instruction MI.90.FX.YY.
NOTE
If a short circuit in the brake transistor oc-
curs, power dissipation in the brake resis-
tor can only be prevented by using a line
power switch or contactor to disconnect
the power for the adjustable frequency
drive. (The contactor can be controlled by
the adjustable frequency drive).
References - single references
Using a single reference, only one active reference
signal is connected, either in the form of an external or
in the form of a preset (internal) reference.
The external reference can be voltage, current, fre-
quency (pulse) or binary via the serial port. Two ex-
amples are given below of the way the single
references are handled by VLT 5000 Series.
Example 1:
External reference signal = 1 V (min) - 5 V (max)
Reference = 5 Hz - 50 Hz
Configuration (parameter 100) - Speed control, open
loop.
U/f on terminal 53, 54
or 60. f (pulse) on ter-
minal 17 or 29 binary
(serial port).
/
External
Single ref.
\
Preset references (par.215-218)
Setting:
Parameter:
Setting:
Data value:
100
Configuration
Speed control, open loop
[0]
308
Funct. of analog input
Reference
[1]
309
Min. reference signal
Min.
1 V
310
Max. reference signal
Max.
5 V
203
Reference range
Reference range
Min - Max [0]
204
Minimum reference
Min. reference
5 (Hz)
205
Maximum reference
Max. reference
50 (Hz)
The following can be used:
- Catch-up/slow-down via digital input terminals 16,17, 29, 32 or 33
- Freeze reference via digital input terminals 16,17, 29, 32 or 33.
VLT
®
5000 Series
190
MG.51.C5.22 - VLT
p
is a registered Danfoss trademark.
Содержание VLT 5000 Series
Страница 2: ...VLT 5000 Instruction Manual ...
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Страница 45: ...Mechanical dimensions cont VLT 5000 Series 42 MG 51 C5 22 VLT p is a registered Danfoss trademark ...
Страница 185: ...VLT 5000 Series 182 MG 51 C5 22 VLT p is a registered Danfoss trademark ...
Страница 186: ...VLT 5000 Series MG 51 C5 22 VLT p is a registered Danfoss trademark 183 EC EMC ...
Страница 196: ...RELATIVE VLT 5000 Series MG 51 C5 22 VLT p is a registered Danfoss trademark 193 List of functions ...
Страница 197: ...EXTERNAL PRESET VLT 5000 Series 194 MG 51 C5 22 VLT p is a registered Danfoss trademark ...
Страница 198: ...References VLT 5000 Series MG 51 C5 22 VLT p is a registered Danfoss trademark 195 List of functions ...
Страница 202: ...VLT 5000 Series MG 51 C5 22 VLT p is a registered Danfoss trademark 199 List of functions ...
Страница 217: ...VLT 5000 Series 214 MG 51 C5 22 VLT p is a registered Danfoss trademark ...
Страница 238: ...Rev 2006 12 12 www danfoss com drives 175R5271 MG51C522 MG51C522 MG51C522 VLT 5000 Instruction Manual ...
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