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BA SineDrive User's Manual
BAS
AMPLIFIER
This configuration is especially important if the BAS Amplifier is operating at DC bus voltages of 160 VDC or 320 VDC (e.g., 115 VAC or 230 VAC input power).
Figure 5-2.
5.2.1.3.
Minimizing 50/60 HZ Line Interference
Operating the BAS series amplifiers from an off-line source of 115 VAC or 230 VAC
creates some additional problems.
First, there is a potential problem of EMI generated from the switching power stage of the
BAS amplifier propagating through the bridge rectifier and out through the HI and LO
input AC line connections. Back-propagation of noise into the AC lines can be minimized
using a line filter. An example of such a filter and proper connection to the BAS amplifier
is shown in Figure 5-3.
BAS
AMPLIFIER
This configuration is especially important if the BAS Amplifier is operating at DC bus voltages of 160 VDC or 320 VDC (e.g., 11 5VAC or 230 VAC input power).
Figure 5-3.
Version 1.4
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LO
HI
A
B
C
Grounding
Screw
Earth Ground
Wiring to Minimize EMI and Capacitive Coupling
Torque
to 5 - 7 in-lb
LO
HI
FRAME GND.
A
B
C
Grounding Screw
Back-Propagation Line Filter Connection
Aerotech, Inc.
Technical Details
One toroid (ferrite) around the three motor leads
(two for brush motors). There should be 10 turns
for 16 AWG wire and 7 turns for 14 AWG wire. Use
a Ferroxcube 500T600-3C81 core or equal.
SHIELD
Twisted Together
MOTOR
Case GND.
10A slow blow - BAS10
20A slow blow - BAS20
30A slow blow - BAS30
Use 60 degree C copper conductors only
Schaffner FN2070-10-06
includes common mode
choke and ferrite.
PN: UFM
Earth Ground
115/230 VAC
50/60 Hz
5-3
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