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ACS550 User’s Manual
231
Technical Data
The many variables in the last requirement above are most easily dealt with using
the following tables.
•
First, determine your maximum braking time ON (ON
MAX
), minimum braking time
OFF (OFF
MIN
) and load type (deceleration or overhauling load).
•
Calculate duty cycle:
•
In the appropriate table, find the column that best matches your data:
– ON
MAX
< column specification and
– Duty Cycle < column specification
•
Find the row that matches your drive.
•
The minimum power rating for deceleration to zero is the value in the selected
row/column.
•
For overhauling loads, double the rating in the selected row/column, or use the
Continuous ON column.
208…240 Volt Drives
1. Resistor time constant specification must be > 85 seconds.
Type
Code
ACS550-
01/U1-
see below
Resistance
Resistor
1
Minimum Continuous Power Rating
Deceleration-to-Zero Rating
P
rcont
Continuous ON
> 60 s ON
> 25% Duty
R
MAX
R
MIN
P
r3
< 3 s ON
> 27 s OFF
< 10% Duty
P
r10
< 10 s ON
> 50 s OFF
< 17% Duty
P
r30
< 30 s ON
> 180 s OFF
< 14% Duty
P
r60
< 60 s ON
> 180 s OFF
< 25% Duty
Ohm
Ohm
W
W
W
W
W
Three-phase supply voltage,
208…240 V
-04A6-2
234
80
45
80
120
200
1100
-06A6-2
160
80
65
120
175
280
1500
-07A5-2
117
44
85
160
235
390
2200
-012A-2
80
44
125
235
345
570
3000
-017A-2
48
44
210
390
575
950
4000
-024A-2
32
30
315
590
860
1425
5500
-031A-2
23
22
430
800
1175
1940
7500
Time
Power
Deceleration Curve
Overhauling Load
Curve
Time
Temperature
Avg. Braking Power
During Deceleration
Avg. Braking Power –
Overhauling Load
x
2x
to Zero
Duty Cycle
=
(ON
MAX
+ OFF
MIN
)
100%
ON
MAX