Specifications

SPECIFICATIONS
ADVANCED MICRO CONTROLS INC.
2
14
Motor Output (continued)
EARTH GND Connection
The EARTH GND connection on the Motor Connector is for the shields of the motor’s cable. This point is
internally attached to the chassis and grounding lug of the SD17063.
Motor Insulation and Inductance Specifications
Because of the high voltage bus generated by the SD17063 for the motor, be sure that the winding insulation
for you motor is rated for 500 Vdc minimum. This rating applies to the phase-to-phase and phase-to-case
insulation ratings. All AMCI motors meet this specification.
The ideal inductance value for a motor connected to an SD17063 is between 2.5 and 45 mH. However, the
SD17063 will work with motors that have an inductance value as low as 1 mH. All AMCI motors fall within
the 2.5 to 45 mH range except for the SM42 motors when they are wired in parallel.
Input Power
Figure 2.3 shows the SD17063’s power connector and grounding
lug. Input power must be between 95 and 132 Vac, 50/60 Hz for
proper operation. A wiring and grounding diagram is given in the
INSTALLING THE SD17063 REV B.
chapter, starting on page 41.
When power is applied, 120 Vac is on the
power connector pins. To reduce the risk of
electrical shock, always install the supplied
rubber boot on the power connector.
1)
Because the SD17063 derives motor power
directly from the AC line, it cannot be modified to
use 230 Vac power. If your installation only has
230 Vac, you must install a step down transformer
to power the SD17063. The transformer must be
rated for a minimum of 1.1KVa.
2) Both the Neutral (
N
), and Line (
L
) terminals are
internally fused with 10 amp slow blow fuses. If
you plan to use external circuit breakers or fuses,
they should also be rated for 10 amps.
Detectable Faults and Errors
The SD17063 can detect ten different faults. This section lists the state of the Indicator LED’s during a fault
as well as the fault’s causes. Remedy suggestions are given in Appendix C, TROUBLESHOOTING.
Minor Faults
There are two faults termed Minor Faults. When the conditions that cause either of these faults occur, the
SD17063 will miss pulses from the indexer and the motors’ position may not be accurately known. The only
indication that these faults have occurred is the Indicator LED’s on the front panel. The Fault Output is not
activated, meaning that it stays in its conductive state. Power is not removed from the motor and the drive will
accept pulses from the indexer. These two faults are:
h Velocity Step Violation:
The frequency of the directional pulses from the indexer exceeded 2 MHz.
The SD17063 can sense directional pulse frequency as high a 5 MHz, but cannot control the motor cur-
rent above the 2 MHz rate.
h Window Step Violation:
The indexer sent pulses to the SD17063 while the Disable Input was active or
before the 275 millisecond current ‘ramp-up’ period expired after The Disable Input was released. This
fault also occurs if pulses are sent to the drive before it has finished initialization after the Reset Input is
released. This initialization time has a maximum of 325 milliseconds.
Figure 2.3 Power Connector
SD17063
Stepper Drive
AC POWER
95 – 132 V
AC
50/60 Hz
GND
N
L
Grounding Lug