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The information in this manual is subject to change without notice.
Safety Notice
This equipment contains voltages that may be as high as 1000 volts! Electrical shock can cause serious or
fatal injury. Only qualified personnel should attempt the start-up procedure or troubleshoot this equipment.
This equipment may be connected to other machines that have rotating parts or parts that are driven by this
equipment. Improper use can cause serious or fatal injury. Only qualified personnel should attempt the start-
up procedure or troubleshoot this equipment.
Precautions
!
WARNING: Do not touch any circuit board, power device or electrical connection before you
first ensure that power has been disconnected and there is no high voltage present from this
equipment or other equipment to which it is connected. Electrical shock can cause serious or fatal
injury. Only qualified personnel should attempt the start-up procedure or troubleshoot this
equipment.
!
WARNING: Do not touch any circuit board, power device or electrical connection before you
first ensure that power has been disconnected and there is no high voltage present from this
equipment or other equipment to which it is connected. Electrical shock can cause serious or fatal
injury. Only qualified personnel should attempt the start-up procedure or troubleshoot this
equipment.
!
WARNING: Be sure that you are completely familiar with the safe operation of this equipment.
This equipment may be connected to other machines that have rotating parts or parts that are
controlled by this equipment. Improper use can cause serious or fatal injury. Only qualified
personnel should attempt the start-up procedure or troubleshoot this equipment.
!
WARNING: Do not use motor overload relays with an automatic reset feature. These are
dangerous since the process may injure someone if a sudden or unexpected automatic restart
occurs. If manual reset relays are not available, disable the automatic restart feature using external
control wiring.
!
WARNING: Do not use motor overload relays with an automatic reset feature. These are
dangerous since the process may injure someone if a sudden or unexpected automatic restart
occurs. If manual reset relays are not available, disable the automatic restart feature using external
control wiring.
!
WARNING: This unit has an automatic restart feature that will start the motor whenever input
power is applied and a RUN (FWD or REV) command is issued. If an automatic restart of the
motor could cause injury to personnel, the automatic restart feature of the VS1MSD should be
disabled.
!
WARNING: Be sure the system is properly grounded before applying power. Do not apply AC
power before you ensure that all grounding instructions have been followed. Electrical shock can
cause serious or fatal injury.
Precautions: Classifications of cautionary statements
!
WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in injury
or death.
!
CAUTION: Indicates a potentially hazardous situation which, if not avoided, could result in
damage to property.