Leeson NEMA 4X SCR Control: 174903.00 (Obsolete) Manual de usuario

SPEEDMASTERVariable SpeedD.C. ControlINSTRUCTION MANUALTMThis Book Covers Speedmaster ControlNumbers 174902 & 174903TMLEESON ELECTRIC CORPORATI

START-UP PROCEDURE9The trimpot adjustments, MIN, MAX, I.R. COMP, and CUR LIM are checked at the factory usinga typical motor at 240 VAC input. Use the

10TRIMPOT FUNCTION ADJUSTMENT1. TURN DRIVE POWER OFF!!2. Connect DC Voltmeter: + to +ARM, - to -ARM.3. Set meter voltage range: (90VDC or 180VDC).4. T

1/41/31/23/41.01/41/23/41.01.52.0MIN MAX ACCEL I.R. C.L. H.P.1/8INPUTVOLTAGEOUTPUTVOLTAGE120VAC120VAC120VAC120VAC120VAC240VAC240VAC240VAC240VAC240VAC2

The Common of the SPDT switch is connected tocontrol pot HI and is switched between SpeedpotHi and the Inhibit pin (P2). To inhibit (stop motor),speed

13SPEEDPOT(5K 2W)CUSTOMER'SMOUNTING BRACKETDIALPLATE2.00" dia.LOCK WASHERO-RINGHEX NUTSPEEDPOTKNOB.4373/8DIA.5/32 DIA.SPEEDPOT LOCATOR HOLE

14Motor doesn't operateMotor stalls, or runsvery slowly with speed-pot turned fully CWMotor huntsRepeated fuse blowingMotor runs but will notstop

15SPECIFICATIONSAC input voltage... ±10% of rated line voltageAcceleration...

16C7SPEEDMASTER PARTS PLACEMENT & LISTRESISTORSCAPACITORSMISCELLANEOUSDIODESR1R2R3R4R5R6R7R8R9R10R11R12R13R14R15R16R17R18R19R20R21R22R23R24R25R26R

SPEEDMASTER SCHEMATICALL RESISTORS 1/2W UNLESS NOTED OTHERWISEQ2 ... 3052 MOCQ3, Q4, D5, D6, D7 ... L512FY131 GENTR

18Bulletin #301 12/00

TABLE OF CONTENTSWARRANTY ...

LIMITED WARRANTYA. WARRANTY: LEESON Electric Corporation warrants that their products will be freefrom defects in material and workmanship for a peri

INTRODUCTION3Q. CAN I RUN TWO OR MORE MOTORS FROM THE SAME DRIVE?A. Not recommended. The IR Comp (regulation) and Current Limit would have problemssen

CONTROL FEATURES4MIN. SPEED (minimum speed) - Allows adjustment of the motor speed when the speedpotis set at minimum (CCW). This permits the user to

DIMENSIONS5Allow 3.50" for height clearance, 7.40" for overall length.WARNING1. Be sure the control housing is properly grounded.2. Arm conn

MODEL SELECTION6The Speedmaster will operate a 90 VDC motor in the H.P. range of 1/8 through 1 H.P., and a180 VDC motor in the range of 1/4 through 2

TERMINAL STRIP WIRINGThe Speedmaster has an 11 position block type terminal strip for ease of connection.P1-1(SPEEDPOT LO) Connects to low side (orang

SPEEDMASTER MODEL 174902 HOOK-UP DIAGRAM8SPEEDMASTER MODEL 174903 HOOK-UP DIAGRAMBEFORE SCREWING DOWN COVER ASSEMBLY, ROUTE WIRING THROUGH CONDUIT HOL