Rockwell Automation SB3000 Configuration and Programming - Manual (Page 2)

The information in this users manual is subject to change without notice.
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©1998 Rockwell International Corporation
Throughout this manual, the following notes are used to alert you to safety considerations:
Important: Identifies information that is critical for successful application and understanding of the product.
!
ATTENTION: Identifies information about practices or circumstances that can lead to personal
injury or death, property damage, or economic loss.
!
ATTENTION: Only qualified personnel familiar with the construction and operation of this
equipment and the hazards involved should install, adjust, operate, or service this equipment.
Read and understand this manual and other applicable manuals in their entirety before
proceeding. Failure to observe this precaution could result in severe bodily injury or loss of life.
ATTENTION: DC bus capacitors retain hazardous voltages after input power has been
disconnected. After disconnecting input power, wait ten (10) minutes for the DC bus capacitors
to discharge. Open the cabinet doors and check the voltage across the DC bus bars, 347/1247
A,B,C (+ bus) and 345/1145 A,B,C (- bus), with an external voltmeter to ensure the DC bus
capacitors are discharged before touching any internal components. Failure to observe this
precaution could result in severe bodily injury or loss of life.
ATTENTION: Do not use the run permissive input on the Resolver & Drive I/O module as a means
of shutting off the SB300 synchronous Rectifier. Turning this input off only stops power devices
from firing. Residual voltage on the bus capacitors will continue to feed the load inverters until the
voltage dissipates. Failure to observe this precaution could result in bodily injury.
ATTENTION: Only qualified Rockwell personnel or other trained personnel who understand the
potential hazards involved may make modifications to the rack configuration, variable
configuration, and application tasks. Any modifications may result in uncontrolled machine
operation. Failure to observe this precaution could result in damage to equipment and bodily injury.
ATTENTION: Registers and bits in the UDC module that are described as “read only” or for “system
use only” must not be written to by the user. Writing to these registers and bits may result in
improper system operation. Failure to observe this precaution could result in bodily injury.
ATTENTION: The pre-charge contactor for the SB3000 must be closed and the voltage loop must
be on (register 200/1200, bit 0) before any load inverters can be put into run. If the SB3000 pre-
charge contactor is not closed, running a load inverter will burn up the pre-charge resistors. Failure
to observe this precaution could result in damage to, or destruction of, the equipment.