22
HX7+ ASD Installation and Operation Manual
Figure 2. ST activation using the MS1 AUX circuit configuration.
The ASD input voltage should remain within 10% of the specified input voltage range. Input voltages
approaching the upper or lower limit settings may require that the over-voltage and under-voltage stall
protection level parameters,
, be adjusted. Voltages outside of the permissible tolerance
should be avoided.
The frequency of the input power should be ±2 Hz of the specified input frequency.
Do not use an ASD with a motor that has a power rating that is greater than the rated output of the ASD.
The ASD is designed to operate NEMA B motors. Consult with your Toshiba Customer Support Center
before using the ASD for special applications such as with an explosion-proof motor or applications
with a piston load.
Interface problems may occur when an ASD is used in conjunction with some types of process
controllers. Signal isolation may be required to prevent controller and/or ASD malfunction (contact
your Toshiba Customer Support Center or the process controller manufacturer for additional
information about compatibility and signal isolation).
Use caution when setting the output frequency. Over speeding a motor decreases its ability to deliver
torque and may result in damage to the motor and/or the driven equipment.
All
HX7+ ASD
s are equipped with internal DC bus fuses. However, not all HX7+ ASDs are equipped
with internal primary power input fuses (HP dependent). When connecting two or more drives that have
no internal fuse to the same power line as shown in
, it will be necessary to select a circuit-
breaking configuration that will ensure that if a short circuit occurs in ASD 1, only MCCB2 trips, not
MCCB1. If it is not feasible to use this configuration, insert a fuse between MCCB2 and ASD 1.
Figure 3. Circuit breaker configuration.
Содержание HX7+ ASD
Страница 1: ...HX7 ASD Install Op Manual TOSHIBA HX7 ASD INSTALLATION OPERATION MANUAL DN 67017 001 February 2014 ...
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