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A
<.
550-UH User’s Manual
1-311
Technical data
Motor connections
WARNING!
Never connect line power to the drive output terminals: U2, V2 or W2.
Line voltage applied to the output can result in permanent damage to the unit. If
frequent bypassing is required, use mechanically interlocked switches or contactors.
WARNING!
Do not connect any motor with a nominal voltage less than one half of
the drive’s nominal input voltage.
WARNING!
Disconnect the drive before conducting any voltage tolerance (Hi-Pot)
test or insulation resistance (Megger) test on the motor or motor cables. Do not
conduct these tests on the drive.
Motor connection specifications
Motor Connection Specifications
Voltage (
U
2
)
0…
U
1
,
3-phase symmetrical, U
max
at the field weakening point
Frequency
0…500 Hz
Frequency Resolution
0.01 Hz
Current
on page
.
Field Weakening Point
10…500 Hz
Switching Frequency
Selectable: 1, 4, 8, or 12 kHz
(1, 4, or 8 kHz for 600 V, R6 frame size, that is for
A
<.
550-xx-077A-6 … A
<.
550-xx-144A-6)
Cable Temperature Rating
90 °C (194 °F) rating minimum.
Maximum Motor Cable
Length
Frame Size
Max. Motor Cable Length*
f
sw
= 1 or 4 kHz
f
sw
= 8 kHz or 12 kHz
R1
100 m
330 ft
100 m
330 ft
R2 (most)
R6 (600 V)
200 m
100 m
650 ft
330 ft
100 m
100 m
330 ft
330 ft
R3…R4
200 m
650 ft
100 m
330 ft
R5…R6
300 m
980 ft
150 m
490 ft
R7…R8
300 m
980 ft
Does not apply
* WARNING!
Using a motor cable longer than specified in the
chart above may cause permanent damage to the drive.
Содержание Johnson Controls AYK550-UH
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Страница 8: ...1 8 A 550 UH User s Manual Table of contents ...
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Страница 66: ...1 66 A 550 UH User s Manual Application macros ...
Страница 186: ...1 186 A 550 UH User s Manual Parameters ...
Страница 190: ...1 190 A 550 UH User s Manual Embedded fieldbus Preferred wiring diagram Alternate wiring diagram ...
Страница 333: ...A 550 UH User s Manual 1 333 Technical data ...