ABB BALDOR BC155, Инструкция по установке и эксплуатации, Страница: 5 / 16

1-1 MN702
Chapter 1
Introduction
Introduction
Thank you for purchasing the Baldor BC154/BCWD140 Series NEMA-4X (IP-65) SCR DC Motor Speed
and Torque Control. It is designed for applications requiring washdown watertight integrity.
Its housing is ruggedly constructed of die cast aluminum which is protected with an acrylic coating
for the ultimate in corrosion resistance. All switches are sealed with rubber boots and the main speed
potentiometer has a shaft seal.
Short circuit and transient protection are provided for ultimate in reliability. Electronic overload
protection prevents motor burnout and demagnetization of PM motors. The control can be operated
in either the Speed or Torque mode via jumper selection. The current range, which is also jumper
selectable, eliminates the necessity for calibration of IR Compensation and Current Limit for most
applications. AC line voltage 230/115VAC (jumper selectable), DC armature voltage (180/90VDC) and
feedback type may be Armature/Tachometer.
Standard features include armature fusing (fuse sold separately), electronic start/stop switch, and
an LED indicator array for Power On, Stop and Overload. Although factory set for most applications, a
variety of trim pots allow adjustments of parameters.
SAFETY NOTICE
A Warning statement indicates a potentially hazardous situation which, if not avoided, could result in
injury or death.
A Caution statement indicates a potentially hazardous situation which, if not avoided, could result in
damage to property.
A Note indicates additional information that is not critical to the installation or operation.
WARNING: This equipment may contain voltages 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.
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.
WARNING: Electrical shock can cause serious or fatal injury. Be sure that all power is disconnected and there is
no voltage present from this equipment or equipment to which it is or will be connected. Electrical
shock can cause serious or fatal injury. Only qualified personnel should attempt the installation and
start-up procedures.
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 should be disabled.
WARNING: If possible, do not adjust trim pots with the main power applied. Electrical shock can cause serious or
fatal injury. If adjustments are made with the main power applied, an insulated adjustment tool must
be used to prevent shock hazard and safety glasses must be worn.
WARNING: Do not use this drive in an explosive environment. An explosion can cause serious or fatal injury.
This drive is not explosion proof.
WARNING: When the Enable jumper is installed, the drive and motor will start and run when AC power is applied,
when power is restored after a momentary power loss, or after an overload or TCL fault is reset. The
user must ensure that automatic start up of the driven equipment will not cause injury to operating
personnel or damage to the driven equipment. The user is responsible for providing suitable audible or
visual alarms or other devices to indicate that the drive may start at any moment. Failure to observe
this warning could result in severe bodily injury or loss of life.
WARNING: Do not use start/stop, inhibit or enable functions as a safety disconnect. Use only an AC line
disconnect for that purpose. Failure to observe this warning could result in severe bodily injury or loss
of life.
Caution: Disconnect motor leads (A1 and A2) from control before you perform a Dielectric Withstand test on the
motor. Failure to disconnect motor from the control will result in extensive damage to the control. The
control is tested at the factory for high voltage / leakage resistance as part of Underwriter Laboratory
requirements.