EC2 sCR Adjustable Speed Drives for DC Brush
Contents
1. 67 4 75 44 Double maximum armature current and horsepower when drive is mounted on heatsink part number 223 0159 ees ha xy OO 6 14300 De La Tour Drive South Beloit IL 61080 Phone 800 MINARIK 646 2745 Fax 815 624 6960 Document Number 250 0354 Revision 3 Printed in the U S A September 2003 HEIGHT 1 41 35 8 3 80 97 Copyright 2003 by Minarik Corporation All rights reserved No part of this manual may be reproduced or transmitted in any form without written permission from Minarik Corporation The information and technical data in this manual are subject to change without notice Minarik Corporation and its Divisions make no warranty of any kind with respect to this material 4 30 109 including but not limited to the implied warranties of its merchantability and fitness for a given purpose Minarik Corporation and its Divisions assume no responsibility for any errors that may appear in this manual and make no commitment to update or to keep current the information in this manual mvd0908032. E C 2 SCR Adjustable Speed Drives for DC Brush Motors E LINE INPUT a POWER INPUT Connect the AC line power to terminals L1 and L2 LINE FUSE EC2 drives require an external fuse for protection Use fast acting fuses rated for 250 VAC or higher and approximately 150 of the maximum armature current Fuse only the HOT line connected to L1 and leave L2 unfused INHIBIT HEADER Short the INHIBIT pins to coast the motor to stop Open the INHIBIT terminals to accelerate the motor to set speed Twist the inhibit wires and separate them from power carrying wires or sources of electrical noise Use shielded cable if the inhibit wires are longer than 18 inches 46 cm If shielded cable is used ground only one end of the shield to earth ground Do not ground both sides of the shield INHIBIT TERMINALS SHORT THE INHIBIT TERMINALS 10K OHM TO COAST TO A STOP SPEED ADJUST POTENTIOMETER OPEN THE INHIBIT TERMINALS TO ACCELERATE TO SET SPEED DIMENSIONS All dimensions in inches millimeters RANGES SPECIFICATI MIN SPEED 0 35 VDC AC Line Voltage 115 VAC single phase MASSREED ao AZONDE Horsepower Range with 115 VAC applied 1 8 1 2 HP IR COMPENSATION 0 15 V Maximum Armature Current CURRENT LIMIT 0 18A OMFG seangersedssn deoopedoni scans enoanouneene 1 37 at base speed ACC DEC 0 5 8 SEC Analog Input Voltage Range signal must be isolated S1 to S2 Input Impedance S1 to S2 Load Regulation
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