10
CD1-a
Chapter 2 – Specifications
AMPLIFIER OUTPUT CURRENT RATINGS
Output voltage range for 400-480 VAC (rms) three-phase mains
Output current range: 1.8 A, 2.7 A, 5.1 A, 7.2 A, 14 A, 30 A, 45 A (rms)
AMPLIFIER
TYPE
Max
output
current
for 1 s.
(480 V
AC)
Rated
output
current
(480 V
AC)
Power
losses
(W)
Rated
input
current
(480 V
AC
60 Hz)
Housing
dimensions
Max. branch
circuit
protection
Listed RK5
(Bussman /
Littlefuse)
fuses
Short-
circuit
withstand
rating
UL
compliance
CD1-a-400/1.8 1.8 0.9 35 0.9 230x230x65 2 A 5 kA yes
CD1-a-400/2.7 2.7 1.35 43 1.35 230x230x65 2 A 5 kA yes
CD1-a-400/5.1 5.1 2.55 71 2.55 230x230x65 4 A 5 kA yes
CD1-a-400/7.2 7.2 3.6 93 3.6 230x230x65 4 A 5 kA yes
CD1-a-400/14 14.0 7 200 7 230x258x83 8 A 5 kA yes
CD1-a-400/30 30.0 15 400 15 230x288x110 20 A 5 kA yes
CD1-a-400/45 45.0 20 560 20 230x288x110 20 A 5 kA yes
Environment : Appendix type 1, compliant with a room temperature of 40°C.
1.3 COMMON SPECIFICATIONS TO BOTH AMPLIFIER VERSIONS CD1-a-230/I AND CD1-a-400/I
Regulation loops: current, speed Digital
Mains filter on power supply Integrated in the amplifier
Common mode filter on auxiliary supply Integrated in the amplifier
Position sensor Transmitter resolver
Power stage protections See section 3 "Main protections"
PWM switching frequency 10 kHz
Internal current limitation Imax: 20 % to 100 % and Irated: 20 % to 50 %
Imax duration = 1 second
External current limitation 0 to 10 V (resolution = 12 bits)
100 to 0 % of the internal Imax limitation
Analog speed input command CV ±10 V, standard resolution = 12 bits
Motor accel/decel ramp range Between 0 and 30 s from zero speed to max. speed
Speed regulator P, PI or PI
2
Sampling period = 0,5 ms
Anti-wind-up system of the integrator
Antiresonance filter
Adjustable digital gains
Speed loop bandwidth Selectable cut-off frequency for 45° phase shift : 30 Hz,
50 Hz or 75 Hz
Current loop bandwidth Cut-off frequency for 45° phase shift: 1000 Hz
Max. motor speed Adjustable from 100 rpm to 20 000 rpm
Speed range 1 : 2048 with 12 bits input command resolution
Encoder position output Two A and B channels in quadrature with 1 marker pulse per
revolution.
RS422 line driver.
Four programmable resolutions: 1024 / 512 / 256 / 128 ppr.
Accuracy: +/- (10.6 + 5400/encoder resolution) arc minutes
Note: The total position accuracy must take into account the
accuracy of the resolver used.
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