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Application Guide
M-2299 Adapter Panel
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CONTROLS Adapter Panel M-2299 Adapts M-2001 Series Digital Tapchanger Control to Replace Toshiba TB-R800 Regulators • Connects easily to the M-2001 Series Digital Tapchanger Control using mounting screws and 24-pin connector � Provides direct mechanical replacement of the existing regulator control � Provides built-in CT shorting protection when the M-2001 Series Digital Tapchanger Control is removed
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The M-2299 is an adapter panel which, when combined with the M-2001 Series Digital Tapchanger Control, provides convenient direct replacement of Toshiba TB-R800 regulators. The M-2299 mounts into the control cabinet using the same two hinge pins which must be saved from the original regulator. Interface External connections are made via a wiring harness that connects from a fifteen-position terminal block to the ”BT” terminal block on the existing control cabinet. An additional terminal block
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! ! "!# ! ! $ ! !% &' % ( $ !% ) # ! ) ' ! " &% ( *)+! ! + + ! ! ! + $ !' !% ( DANGER! HIGH VOLTAGE – This sign warns that the area is connected to a dangerous high voltage, and you must never touch it. PERSONNEL SAFETY PRECAUTIONS
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PRODUCT CAUTIONS Before attempting any test, calibration, or maintenance procedure, personnel must be completely familiar with the particular circuitry of this unit, and have an adequate understanding of field effect devices. If a component is found to be defective, always follow replacement procedures carefully to that assure safety features are maintained. Always replace components with those of equal or better quality as shown in the Parts List of the Instruction Book. Avoid static charge Th
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TABLE OF CONTENTS M-2299 Adapter Panel Application Guide 1.0 Description ................................................................................................................... 1 Standard Features ....................................................................................................... 1 2.0 Installation .................................................................................................................... 2 2.1 Removal of the Toshiba Regulator ............
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5.0 Test Procedures ........................................................................................................ 10 Equipment Required .................................................................................................. 10 Setup Procedure ........................................................................................................ 10 Table 2 Initial Settings ............................................................................................ 10 5.1 Be
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M-2299 Application Guide The Beckwith Electric M-2299 Adapter Panel, used 4. Separate motor power, test terminal and voltage sensing fuses are easily in conjunction with the M-2001 Series Digital changed from the front panel and spare Tapchanger Control, uses modern electronic digital fuses are provided in their respective design and digital processing circuitry to achieve fuseholders. an overall stability and resolution unattainable with electromechanical and analog design tapchanger 5. Easily
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M-2299 Application Guide 4. Remove and save the two hinge pins 2.0 Installation and lift the Toshiba control panel off of the hinges. The M-2299 has hinges on the right side that allow NOTE: The two hinge pins must be saved from easy mounting into the existing Toshiba regulator the original control. cabinet. Refer to Figure 1, below. 5. Remove all control side wiring harness connections from the BT1 terminal block. 2.1 Removal of the Toshiba 6. Remove all wiring connections from the Regulator c
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M-2299 Application Guide 2.2 Installation of the M-2001 2.3 Installation of the M-2299 Series Digital Tapchanger Control Refer to Figure 2, below. 1. Mount the supplied printed circuit board Mount the M-2001 Tapchanger Control to the back against the rear of the cabinet in the of the M-2299 Adapter Panel and secure with the screw holes from the "AUTO/MANUAL, four screws provided. The four screws are shipped RAISE/LOWER switch" bracket, utilizing in a drawstring bag which is attached to the adapt
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M-2299 Application Guide 9.17 [23.29] NEUTRAL LIGHT INT VOLTAGE OFF SOURCE EXT RAISE OFF RE AIS U LOWER LOWR E UP E AUTO REVPWR ENTER OK OFF D COM 2 DOWN MANUAL M -2001 B VOLTAGE IN 12.00 [30.48] METER OUT FUSE TEST TERMINAL 3 AMP FUSE VOLTAGE .25 AMP
FUSE BECKWITH CO. INC. ELECT RIC MOTOR POWER 6 AMP NOTE: Values in brackets are in centimeters. Figure 3 Mounting Dimensions –4–
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( $# $ . % / # & $ # . # . # / $ $ ( $# $ . % / # & $ # . # . # / $ $ M-2299 Application Guide # + + + + + / $& ( ( +# #
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M-2299 Application Guide 2.4 Lightning Protection 3.0 External Connections It has been determined that transient voltages in Power and voltage sensing are obtained either from excess of 1500 V ac rms can exist on the “ground” a common source or from independent sources lead normally tied to TB1-8 on the printed circuit having a nominal 120 V ac output. Normally, this is board. In the Tapchanger Controls, these voltages line-to-neutral voltage, although line-to-line voltage are suppressed by vari
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M-2299 Application Guide TB1 TB1 M-2001 M-2299 TAPCHANGER ADAPTER PANEL CONTROL FUNCTIONS 6 POLARITY CONTACT 1 FUNCTIONS VOLTAGE REDUCTION STEP #2 CONTACT 2 8 RESISTOR NETWORK WIPER 3 4 7 POSITION RESISTOR 2 5 MOTOR 6 3 VOLTAGE REDUCTION MANUAL RAISE LR STEP #1 CONTACT OFF (MOM) 7 MANUAL LOWER 1 NEUTRAL 8 MOTOR POWER 9 FUSE (6 A) MANUAL INT 9 11 MOTOR POWER VOLTAGE IN OFF OFF FUSE (1/4 A) 20, 21 or 22 VOLTAGE IN EXT 10 10 on T.C. (REGULATED NEUTRAL AUTO NEUTRAL LIGHT SWITCH 120 V) LIGHT 5 11 T
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M-2299 Application Guide Multi-Step Voltage Reduction 3.1 Features On the M-2299, TB1-2 and TB1-7 on the printed circuit board are used together to provide up to Neutral Light Circuit three levels of voltage reduction. The external The M-2299 is prepared for use with regulators connections to achieve these steps are shown in Table 1, below, and Figure 5, M-2001 and M-2299 which use a neutral light. Toshiba products require that the Neutral Light terminal TB1-11 (BT-5) be Typical Connections. (Vo
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M-2299 Application Guide 3.2 Typical Connections for 3.3 Use of the M-0329 LTC Toshiba Regulators Backup Control with the Tapchanger Control In general, the tapchanger motor must be operated from a different transformer than the VT used to The M-0329 is a single-phase, solid-state backup measure regulated voltage. If this is not done, control that prevents a defective tapchanger control hunting at the upper band edge may result. As soon from running the voltage outside the upper and as the motor
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M-2299 Application Guide 4.0 M-2001 Tapchanger Control 5.0 Test Procedures Software Settings Equipment Required Adjust the BANDCENTER setting to the nominal � 0–200 mA current supply with phase angle voltage desired. Adjust the BANDWIDTH setting to settings of 0° to +90° the desired voltage band, centered on the � 90–145 V ac voltage source at 60 Hz Bandcenter setpoint, that the voltage must exceed � High impedance true RMS voltmeter with before timer and subsequent tapchanger operation accuracy
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M-2299 Application Guide Voltage Source Switch 5.1 Bench Test 1. Set AUTO/OFF/MANUAL switch to OFF. 2. Set VOLTAGE SOURCE switch to EXT. NOTE: This test assumes that the M-2001 Tapchanger Control is connected to the M-2299 3. Verify no manual Raise or Lower output. Adapter Panel. 4. Attach voltmeter to Meter Out terminals. 1. Apply 120.0 V ac from power source. 5. Verify no voltage is present. 2. The display of the M-2001 will 6. Apply 120 V ac to the Voltage In jack automatically advance to Lo
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M-2299 Application Guide Figure 7 M-2299 Test Procedure External Connection –12– TB1 Polarity Contact 1 Voltage Reduction Step #2 Input 2 I Resistor Network Wiper H 3 Tap 120 V Fixed Position Resistor (approx. 1200 ý, 15 W or greater) Position 4 Supply R1 I R Tapchanger Raise Output N 5 OFF S1 Tapchanger Lower Output S2 LDC 6 I L Voltage Reduction Step #1 Input C1 7 (approx. 2.2 µF, 600 V ac Mylar Film) Neutral 8 Motor Power 9 Regulated Voltage Input 10 H H Adjustable Neutral Light 11 80 to 140
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M-2299 Application Guide 5.2 M-2001 Checkout Procedure 6.0 Checkout Procedure NOTE: This test of the M-2001 assumes that the NOTE: All Beckwith Electric units are fully cali- unit remains connected to the adapter panel. brated at the factory. There is no need to re-calibrate the units before initial installation. Basic Operational Test Set the AUTO/OFF/MANUAL switch to OFF. 1. Apply 120.0 V ac to TB1-9 (motor power) Inspect the MOTOR POWER and VOLTAGE fuses and TB1-10 regulated voltage) of ada
