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SIGNAL ISOLATOR

BC145 Signal Isolator Board

Installation and Operating Manual
7/2000 MN1373

TABLE OF CONTENTS Section Page i. Safety Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 I. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 2 II. Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 III. Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 IV. Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 V. Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Tables 1. General Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2. Voltage Input Signal . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figures 1. Control Layout & Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2A. 115V Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2B. 230VConnection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3. Current Input Signal Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4. Voltage Input Signal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7 5A. Leader/Follower Voltage Following System with Multiple Motors . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5B. Leader/Follower Voltage Following System (Single Main Potentiometer) . . . . . . . . . . . . . . . . . . . . 9 6A Leader/Follower Voltage Following System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6B. Process Control withAuto/Manual Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6C. Process Control with Auto (Ratio Pot)/Manual Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6D. Auto/Manual Operation with Potentiometer on BC145 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

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SAFETY WARNING! Please readcarefully:

Be sure to follow all instructions carefully. Fire and/or electrocution can result due to improper use of this product. This product should be installed and serviced by a qualified technician, electrician, or electrical maintenance person familiar with its operation and the hazard involved. Proper installation, which includes wiring, mounting in proper enclosure, fusing or other overcurrent protection and grounding, can reduce the chance of electric shocks, fires, or explosion in this product or products used with this product, such as electric motors, switches, coils, solenoids, and relays. Eye protection must be worn and insulated adjustment tools must be used when working with control under power. This product is constructed of materials (plastics, metals, carbon, silicon,etc.) Which may be a potential hazard. Proper shielding, grounding, and filtering of this product can reduce the emission of radio frequency interference (RFI) which may adversely affect sensitive electronic equipment. If information is required on this product, contact our factory. It is the responsibility of the equipment manufacturer and individual installer to supply this safety warning to the...
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