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Options Groups Basic Optional Functions Dynamic Braking (D) (Standard on RSC, Optional on
FSC Not available on BSC) A factory installed option. An electronic
lock out prevents re-start until the motor has stopped. The
braking registor is sized for one stop per minute from top
speed at rated horsepower with external load inertia not exceeding
the armature inertia. Consult the factory if a more severe
duty cycle is required. (Optional on BSC, FSC, RSC) jog is specified only when the Preset Speeds option is not specified. (The Preset Speeds option includes provision for jog operation) A factory or field installed option, consisting of a printed circuit board assembly with a JOG SPEED potentiometer, a relay and an LED indicator. The Potentiometer adjusts jog speed from 0 to 100% of rated speed. The LED lights when the potentiometer is active. The relay disconnects any other speed input and feeds the JOG position and the FORWARD (or REVERSE) switch is held activated. Auto Reversing (AR)(RSC only) A factory or field modification of the standard reversing circuit. (See the RSC description and the SC block diagram) The modification consists only of cutting a printed circuit board jumper. This causes reversing upon momentary switch activation, as opposed to the standard reversing which requires sustained activation until the motor stops. AR is especially useful in limit switch reversing applications. Tachometer Feedback Group Tachometer feedback improves speed regulation, extends the regulated speed range and reduces sensitivity to line voltage variations ambient temperature changes and motor heating. Tachometer feedback is a factory-installed
option/modification. It consists of disabling the armature
voltage feedback circuit and providing the tachometer scaling
net-work for a 50V/1000 RPM motor - mounted tachometer. When
used with reversing drives, (RSC) a printed circuit board
mounted tachometer-reversing relay is included.
Preset Speeds Group The Preset Speeds option group provides a means to select and program multiple built in preset speed pots and or external signals and to assign operational functions to the selections. A speed pot or speed input can be selected by three methods. Method 1 : By maintained normally open remote switches Method 2 : By operator controlled
switches in combination with program Method 3 : By a combination of Methods 1 and 2. The preset speeds option is a factory or field installed printed circuit board assembly that can be set up or programmed in the field or in the factory. The option board contains lights to indicate which speed pot is active; also legends to assign names and identify functions of the program. See the programming strip in the photograph above. Field setup in Method 1 consists of removing terminal block shorting straps as remote switches are connected. Field setup in Method 2 consists
of adding program jumpers to assign the name and function
of each pot or speed input. These names (and appropriate combinations)
can be assigned.
Field setup in Method 3 results in such pot names as
With the FWD portion set up by
Method 2 and SPD NO set up by remote switches.
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AC Drives
Volts/Hertz, SensorlessVector and Flux Vector drives ranging from 1/4 to 200 HP. 
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DC Drives
Non Regenerativeand Regenerative drives from 1/6 to 500 HP.
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AC Motors
AC motors from Baldor,AO Smith, Lincoln, Marathon and Reliance.
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DC Motors
DC motors from Baldorand AO Smith. |
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Maps & Directions Systems Quote Support Literature |
