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Soloist Hardware Manual
2.4.2 AUXPWR (Auxiliary Power) Option
The -AUXPWR option provides keep alive power for the Soloist to remain operational
when motor power is removed (for example, when an external emergency stop circuit is
required, as illustrated in Section 2.6.1 This option also allows the Soloist to operate at
bus voltages less than 120 VDC (85 VAC).
If the Soloist was purchased with the -AUXPWR option, a separate AC input has been
included on the amplifier for the control power and must be powered. The internal power
supply of the Soloist requires a minimum of 85 VAC input to properly operate. The
following figure displays the required connection to the -AUXPWR option.
The -AUXPWR connection is made to a three terminal connector (Aerotech Part
#ECK213, provided). See Section 2.5 for AC wiring options.
85 VAC
Keep Alive
TO
CONTROL
240 VAC
Ground
A.C.
AC2 may require external fuse or circuit breaker (3 Amps, time delay)
BUS
240 VAC
A.C
Max
Ground
AC1, AC2 require external fuses or circuit breaker (15 Amps Max, time delay)
Figure 2-1
2.4.3 40/80 VDC Power Transformers
The TV0.3-56 power transformer is an optional accessory for the Soloist. The transformer
allows the generation of 56 VAC from either a 115 VAC or 230 VAC source. When
rectified by the Soloist, 56 VAC yields an 80 VDC power bus.
The TV0.3-28 power transformer is an optional accessory available for the Soloist. The
transformer changes a 115 VAC or 230 VAC source to 28 VAC. When rectified by the
Soloist, 28 VAC yields a 40 VDC power bus.
www.aerotech.com
Twist
HI
AC1
LO
AC2 -AUX PWR
Twist
AC1
HI
AC2
LO
-AUXPWR Option
Installation and Configuration
TB102
2-5
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