M-2293B-APPLICATION GUIDE - Beckwith Electric Co., Inc.
Contents
1. NOTES 1 Connect NN 10 to NN 26 for motor return 2 Keep the existing ground wire from NN 10 to the chassis installed 3 See Regulator nameplate for connection of NNJ to NN 20 21 or 22 9 GE CABINET TERMINALS Power Return Power Load Current Polarity Load Current Return Tapchanger Raise Tapchanger Lower Drag Hands Reset Operations Counter Neutral Light S to E 6D amp 2 63 8 n See NOTES 1 and 2 3 860668998 a Figure 4 M 2293B Wiring Harness with Standard Auto Off Manual Toggle Switch and Optional SCADA Cutout and Voltage Reduction Switches M 2293B Application Guide2. 1 2 F2 1 2 F3 O O O 1 2 S6 a taa fenis ad n nile 2 5 LT AL SA SCADA Volt Red Remote Local VR1 Off VR2 S7 if AES i ls n NA 5U 5i i Sg Ng POSER Up Neutral Down Hot P NOTES O m O 1 Connect NN 10 to NN 26 for motor return 2 Keep the existing ground wire from NN 10 to the chassis installed Cas le ee m um 3 See Regulator nameplate for connection of NNJ to NN 20 21 or 22 se PI 8765 4321 E DNE RERERCRFAE Si o16 1514 13412 1109 i F GE CABINET TERMINALS ee a a i 24 23 22 21 20 19 18 17 E a A p 1 2 ni 5 8 7 8 9 Js edis TB1 10 9 Ber oven 08h 438 TB1 14 23 Load Current Polarity D TB1 15 24 Load Current Return H Ei sijo TB1 5 27 Tapchanger Raise 1 2 3 4 55 657 8 9 10 11 12 13 14 15 16 TB1 6 28 Tapchanger Lower n zil TI aa b TB1 12 29 Drag Hands Reset D D D D TB1 13 30 Operations Counter FAN TB1 11 31 Neutral Light e 62 83 nr 4 hy See NOTES 1and2 8656856 6 6 amp Figure 5 M 2293B Wiring Harness with Optional SCAMP Auto Manual Pushbutton Switch SCADA Cutout and Voltage Reduction Switches M 2293B Application Guide The operation of the control can be interrupted during tapchanger operation by applying the wetting voltage of terminal TB2 28 to TB1 1 timer reset for non sequential operation input on the printed circuit board through an external contact This causes the output to de energ
3. 9 Pi Application Guide r Z 3 M 2293B Adapter Panel T co INC BECKWITH ELECTRIC ttn AE A F ra A WA WA VA WA WV TA 77777 q 9 gt Ya V BECKWITH ELECTRIC CONTROLS CO INC Adapter Panel M 2293B Adapts M 2001 Series Digital Tapchanger Control to Replace Solid State Controls for General Electric ML 32 and VR 1 Regulators and SM 1 SM 2 and SM 2A Regulator Controls e Provides direct mechanical replacement of the old regulator control using the same two hinge pins e Provides built in CT shorting protection when the M 2001 Series Digital Tapchanger Control is removed e Optional SCADA Cutout Local Remote switch for use with SCADA enabled M 2001C controls allows Local Blocking of SCADA commands e Optional SCAMP SCADA Controlable Auto Maual Pushbutton switch replaces M 2293B AUTO OFF MANUAL toggle TAPCHANGER CONTROL switch D e Optional 2 Level Local Voltage Reduction switch Industry Leader Since 1969 Made in the USA M 2293B Adapter Panel The M 2293B is an adapter panel which when combined with the M 2001 Series Digital Tapchanger Control provides convenient direct replacement of solid state controls for General Electric ML 32 and VR 1 regulators and SM 1 SM 2 and SM 2A regulator controls The M 2293B consists of a front panel with hinge
4. Control IO d e 2 Panel Knob GENERAL ELECTRIC o oco oo O Cabinet Door Figure 6 General Electric Control in Cabinet 9 M 2293B Application Guide Installing the M 2293B M 2001 1 Mountthe M 2001 to the M 2293B Adapter panel by using the hardware provided in the cloth bag Use the lock washers supplied between the screws and the top of the front panel BI NOTE The blue connector is keyed by a V notch in the middle to prevent incorrect mating Figure 7 Check location of the key before plugging connector into the M 2001 E V Notch Figure 7 M 2001 Harness Connector 2 Plug the blue connector of the M 2293B harness into the bottom of the M 2001 If desired bench testing may be performed as described in Section 4 0 Bench Test Figure 8 M 2001 V Notch Orientation e eeeee LLLI 2229298988 3 Place the M 2293B panel onto the enclosure hinges then insert hinge pins 4 Connect the M 2293B wiring harness to the NN terminal blocks refer to Figures 4 and 5 5 Secure the M 2293B control panel thumb Screw latch 6 Reconnect control cable plug to tap position indicator Item 1 on Figure 6 7 Set the toggle switch to the Manual position M 2293B Application Guide 8 Set up the desire
5. Drag Hands Reset R5 1K Ohm Alarm Self Test Alarm User Programmable Alarm Non Interruptable Power Supply Input Self Test Alarm 066666666660006060000666 SCAMP Auto Manual Manual i Raise OFF o Momentary 1 o 0 Hn L Optional 299990090096 Voltage Reduction OOGOOOOOOOOOR Non Sequential Auto Tapchange Inhibit Input Voltage Reduction Step 2 Input Circulating Current Return Circulating Current Polarity Tapchanger Raise Output Tapchanger Lower Output Voltage Reduction Step 1 Input Neutral Motor Power 120 240 V ac Supply Regulated Voltage 120 V ac Neutral Light Drag Hands Reset Operations Counter Input Line Current Polarity Line Current Return Motor Power Return Local Remote Auto Disable Manual Raise Manual Lower NC User Programmable Alarm Return User Programmable Alarm Polarity 12 V dc Wetting Supply B WARNING In no case should the line current circuit be interrupted with the regulator or transformer energized Do not remove auxiliary current transformers without shorting the current inputs Death or severe electrical shock can occur Figure 2 M 2001C and M 2293B Adapter Panel with Optional SCAMP Auto Manual SCADA Cutout and Voltage Reduction Switches 4 Non Seguential Auto TB1
6. Non Sequential Auto Tapchange M 2293B Application Guide Tapchange Inhibit Input Inhibit Contact Note 1 Voltage Reduction Voltage Reduction Step 2 Input Step 2 Contact Circulating Current Return To Paralleling Circulating Current Unit Note 2 Polarity Tapchanger Raise NN Output 27 Tapchanger Lower NN Motor Output 28 L R Voltage Reduction Voltage Reduction Step 1 Input Step 1 Contact Fa NN Neutral Neutral 10 O Grd Stud Motor Return Motor Power 120 240 V ac Supply Regulated Voltage NN 20 21 or Voltage In 120 V ac 9 22 on T C Reg 120 V NN Neutral Light Neutral Light 31 Switch NN Position Di Hands Reset PA alodio 29 JN Indicator Reset Operations NN Operations Counter Input 30 Counter Switch Line Current NN Polarity 23 EB Lina t CT Line Current NN Current 3 Return 24 CT Shorting NN NN Switch xx Terminals Motor Power Return Harness Terminals Local Remote Note 1 This feature is not available when a M 2001C BASE R type control is used in conjunction with this adapter panel Auto Disable Note 2 These features are not available when either a M 2001C BASE R or BASE RS type control is used in conjunction with this adapter panel Manual Raise Note 3 This feature is not available when Manual Lower either a M 2001C BASE R co
7. Polarity User Programmable Alarm Return User Programmable Alarm Polarity 12 V dc Wetting Supply G WARNING In no case should the line current circuit be interrupted with the regulator or transformer energized Do not remove auxiliary current transformers without shorting the current inputs Death or severe electrical shock can occur Figure 1 M 2001C and M 2293B Adapter Panel with Standard Auto Off Manual Toggle Switch and Optional Voltage Reduction and SCADA Cutout Switches za M 2293B Application Guide Voltage Input Polarity Load Current Return Neutral Load Current Polarity Circulating Current N e eo Front Panel Inputs Meter Voltage Out In Test Terminal Fuse 3A n o ov T Polarity Circulating Current Return Tapchanger Raise Output Motor Power Input Voltage Reduction Step 2 Input Contact Wetting Supply 12 V dc Operation Counter Input 1 SW Status Operation Counter Input 2 SW Status Motor Seal In OOOOO H Detector Input Neutral Position Detector 1 Neutral Position Detector 2 Tapchanger Lower Output Non Sequential Operation Auto T C Inhibit Input SCADA Cutout Voltage Reduction Step 1 Input Motor Seal In Disconnect Output User Programmable J5 J i Motor Power 9 1 LI Fuse 6 A Voltage In L ise TA Neutral Tight
8. 8 neutral Setthe neutral light switch S1 located on the adapter panel printed circuit board see Figures 4 and 5 to the toggle Up position The neutral light on the adapter panel should illuminate and the tap position should return to 0 Neutral Remove the jumper placed between TB1 11 and TB1 8 Block Raise Block Lower Dead Band 1 Set Block Raise to 126 0 V Set Block Lower to 114 0 V Set the M 2001 Series Digital Tapchanger Control to display the Bias Voltage screen Press ENT Increase voltage to 126 5 V BR should be displayed on the screen Increase voltage to 128 5 V FL should be displayed on the screen Decrease voltage to 113 5 V BL should be displayed on the screen Bench Test Complete M 2293B Application Guide yams 1S8 uojingysnd uado AJ BUJON O O 00223 lqod 4o siuawaj3 94013510 2BLEA N Aiddns 9 A OtI 0108 eiqeisn py H Ndu H Aiddns PIKI A OcL H 40j amp oipu JBuotjoun 10 109 Agjay 10 duue1 A 0Z1 wl 4 12A 9 A 009 ari z z xoidde 1 L9 O eS O O Dg s LH ayeelB 10 M SL A ooz xoidde odi LS O 330 lqesiq ani K 8L 9joueH e20 ZL 9p A ZL lddnS BumeM euog EJ zal punoly EN N JeMog 1030 unay 1u amp eun peo Ruejog uano peo indy 1ejuno suomnejedo 0 yesey spuey beig 106r jenneN eBejoA pansy 1 MOd Jojo JeaneN indu 14 deis uononpeg eBeyoA indino Je
9. Buyer The afore mentioned warranties are void if the value of the unit is invoiced to the Seller at the time of return Indemnification The Seller shall not be liable for any property damages whatsoever or for any loss or damage arising out of connected with or resulting from this contract or from the performance or breach thereof or from all services covered by or furnished under this contract In no event shall the Seller be liable for special incidental exemplary or consequential damages including but not limited to loss of profits or revenue loss of use of the equipment or any associated equipment cost of capital cost of purchased power cost of substitute equipment facilities or services downtime costs or claims or damages of customers or employees of the Buyer for such damages regardless of whether said claim or damages is based on contract warranty tort including negligence or otherwise Under no circumstances shall the Seller be liable for any personal injury whatsoever It is agreed that when the equipment furnished hereunder are to be used or performed in connec tion with any nuclear installation facility or activity Seller shall have no liability for any nuclear damage personal injury property damage or nuclear contamination to any property located at or near the site of the nuclear facility Buyer agrees to indemnify and hold harmless the Seller against any and all liability associated therewith
10. Features AA a nee ie 1 Control SWIIChes ni inier nette Roin dte sicat iu ie codd Fe ceder ddia e otal 1 Binding POSI8 OR 1 Status Indicators roce He Neste Perd eve oc ee gore 1 Optional Control Switches sisiane nian raa cede ere tia cbe Rd DR NEEN 2 AA Wa 2 Typical COMMECIONS ii 2 External Connection S seiniau aiai ia Ln ape siu uides 2 Eighinirig PEOtectlobr oiu eost etie reete ute tere ter l bea decet POR Te deines 2 Neutral Light Circuit iuit reete tre ru ie ea toxin epe Renee sate Pen EE ne ai 2 Non Sequential Operation N A for BASE R Version 2 Figure 1 M 2001C and M 2293B Adapter Panel with Standard Auto Off Manual Toggle Switch and Optional Voltage Reduction and SCADA Cutout Switches 3 Figure 2 M 2001C and M 2293B Adapter Panel with Optional SCAMP Auto Manual SCADA Cutout and Voltage Reduction Switches 4 Figure 3 External Connections sesenta nns en 5 Figure 4 M 2293B Wiring Harness with Standard Auto Off Manual Toggle Switch and Optional SCADA Cutout and Voltage Reduction Switches 6 Figure 5 M 2293B Wiring Harness with Optional SCAMP Auto Manual Pushbutton Switch SCADA Cutout and Voltage Reduction Switches 7 Automatic Disable Input ssssssssseenn eene nennen nnns 8 Operations Counter Input e
11. M 0169A 5 0 A or 8 66 A to 0 2 A Auxiliary Current Transformer can be used for this purpose 2 The M 0121 can be used with Beckwith Electric Tapchanger Controls when the only burden present is the Line Drop Compensator circuit of the voltage regulating relay The M 0169A is used in high burden circuits such as are found in paralleling schemes Outputs of the auxiliary CTs are protected against overvoltage For further information obtain Beckwith Electric Application Note 17 Basic Considerations for the Application of LTC Transformers and Associated Controls available for download from www beckwithelectric com The external connections for the M 2293B are made to terminal blocks TB1 and TB2 on the printed circuit board at the base of the adapter panel The wiring harness and external connections for the M 2293B are shown in Figures 3 4 and 5 Lightning Protection A CAUTION For proper protection against system surges chassis ground must be connected to earth ground It has been determined that transient voltages in excess of 1500 V ac RMS can exist on the ground lead normally tied to TB1 8 In the tapchanger controls these voltages are suppressed by varistors which still permit the unit to pass a 1500 V ac hi pot test for one minute with a leakage of approximately 15 mA all terminals to ground Multiple VT grounds far apart must be avoided since a varying difference in ground voltage could add or subtract
12. any alleged infringementof United States Letters Patent or rights accruing thereform or trademarks whether federal state or common law arising from the Seller s compliance with Buyer s designs specifications or instructions Warranty Seller hereby warrants that the goods which are the subject matter of this contract will be manufactured in a good workmanlike manner and all materials used herein will be new and reasonably suitable for the equipment Seller warrants that if during a period of five years from date of shipment of the equipment the equipment rendered shall be found by the Buyer to be faulty or shall fail to peform in accordance with Seller s specifications of the product Seller shall at his expense correct the same provided however that Buyers shall ship the equipment prepaid to Seller s facility The Seller s responsibility hereunder shall be limited to replace ment value of the equipment furnished under this contract Seller makes no warranties expressed or implied other than those set out above Seller specifically excludes the implied warranties of merchantibility and fitness for a particular purpose There are no warranties which extend beyond the description contained herein In no event shall Seller be liable for consequential exemplary or punitive damages of whatever nature Any equipment returned for repair must be sent with transportation charges prepaid The equipment must remain the property of the
13. applications information 1 1 Description Standard Features The M 2293B Adapter Panel with the M 2001 Series Tapchanger Control provides a solid state voltage control relay designed to directly replace the General Electric ML 32 and VR 1 Regulators and SM 1 SM 2 and SM 2A regulator controls The combination of tapchanger control and adapter panel includes the following features Voltage waveform sampling and digital processing circuitry to ensure accurate voltage sensing e Control accuracy is x 0 3 Yo when tested in accordance with the ANSI IEEE C57 15 9 1999 standard over a temperature range of 30 C to 465 C The control accuracy is x 0 5 Yo when tested over the full operational temperature range of 40 C to 485 C nput and output circuits are protected against system transients Units pass all requirements of ANSI IEEE C37 90 1 1989 which defines surge withstand capability All input and output terminals will withstand 1500 V ac RMS to chassis or instrument ground for one minute with a leakage current not to exceed 25 mA for all terminals to ground Input and output circuits are electrically isolated from each other from other circuits and from ground The M 2293B Adapter Panel factory configuration for AUTO OFF MANUAL switch status detection is Enabled The M 2293B Adapter Panel AUTO OFF MANUAL switch status detection feature is available to M 2001 series units that have Firmware Version D 0067V07 0
14. from the effective voltage and cause variation in the tapchanger control s bandcenter voltage setpoint Neutral Light Circuit The M 2293B is prepared for use with regulators which use a neutral light General Electric products typically require that the Neutral Light terminal TB1 11 be grounded inside the regulator when the light is to be illuminated A switch on the printed circuit board is used to select the desired configuration Up Neutral Down Hot To configure the Neutral Light to be illuminated when TB1 11 is grounded inside the regulator place the S1 toggle switch located on the upper right hand corner of the adapter panel printed circuit board see Figures 4 and 5 in the Up Neutral position Non Sequential Operation N A for BASE R Version A CAUTION Voltage applied through dry contacts to actuate non sequential input must be 12 V dc obtained from pin TB2 28 Voltage Input Polarity Load Current Return Neutral Load Current Polarity Circulating Current N e e Front Panel Inputs Test Meter Voltage Terminal Out In Fuse3A 4 4 NS Oo O e J M 2293B Application Guide gt d x Polarity Circulating Current Return Tapchanger Raise Output Motor Power Input Voltage Reduction Step 2 Input Contact Wetting Supply 12 V de Operation Counter Input 1 SW Status Operation Counter Input 2 SW Status Motor Seal In De
15. leaves and mounts into the control cabinet using the same two hinge pins which must be saved from the original control Interface External connections are made using a wiring harness that connects from a sixteen position terminal block to the NN terminal block on the existing control cabinet An additional terminal block provides auxiliary functions including self test alarm user programmable alarm auto disable and manual raise lower Features Separate fuses for test terminal voltage sensing and motor power are on the front panel and spare fuses for each are located in the fuse holder Binding posts on the front panel allow easy connections for test procedures RAISE OFF LOWER AUTO OFF MANUAL and VOLTAGE SOURCE switches DRAG HANDS RESET pushbutton and NEUTRAL LIGHT are standard AUTO OFF MANUAL switch may be configured for switch status detection NEUTRAL LIGHT will light to indicate that the regulator is in the neutral position for those regulators equipped with a circuit for this purpose The M 2293B includes the capability to change out the control and adapter panel as one component The M 2293B wiring harness includes two plug connectors One connector disconnects the control input wiring and the other includes built in CT shorting to isolate the line current CT Options SCADA CUTOUT switch allows Local blocking of SCADA commands for use with SCADA enabled M 2001C controls The SCADA Cutout switch must be used with a M
16. whatso ever whether based on contract tort or otherwise Nuclear installation or facility means any nuclear reactor and includes the site on which any of the foregoing is located all operations conducted on such site and all premises used for such opera tions Notice Any illustrations and descriptions by Beckwith Electric Co Inc are for the sole purpose of identification The drawings and or specifications enclosed herein are the proprietary property of Beckwith Electric Co Inc and are issued in strict confidence therefore shall not be used as a basis of reproduc tion of the apparatus described therein without written permission of Beckwith Electric Co Inc No illustration or description contained herein shall be construed as an express warranty of affirmation promise description or sample and any and all such express warranties are specifically excluded nor shall such illustration or description imply a warranty that the product is merchantable or fit for a particular purpose There shall be no warranties which extend beyond those contained in the Beckwith Electric Co Inc terms of sale All rights reserved by Beckwith Electric Co Inc No reproduction may be made without prior written approval of the Company This Page Left Intentionally Blank BECKWITH ELECTRIC CO INC 6190 118th Avenue North Largo Florida 33773 3724 U S A PHONE 727 544 2326 FAX 727 546 0121 marketing beckwithelectr
17. x 9 25 wide x 4 185 deep 38 1 cm x 23 5 cm x 10 5 cm Approximate Weight 2 bs 7 oz 1 11 kg Approximate Shipping Weight 5 Ibs 7 oz 2 47 kg Approximate Weight with M 2001 Series Digital Tapchanger Control 6 lbs 2 oz 2 78 kg Approximate Shipping Weight with M 2001 Series Digital Tapchanger Control 11 lbs 2 oz 5 05 kg Warranty The M 2293B Adapter Panel is covered by a five year warranty from date of shipment Specification is subject to change without notice 3 BECKWITH ELECTRIC CO INC 6190 118th Avenue North Largo Florida 33773 3724 U S A PHONE 727 544 2326 FAX 727 546 0121 marketing beckwithelectric com www beckwithelectric com ISO 9001 2008 2004 Beckwith Electric Co All Rights Reserved 800 2293B SP 03MC2 01 13 Printed in USA WARNING DANGEROUS VOLTAGES capable of causing death or serious injury are present on the erternal terminals and inside the eguip ment Use extreme caution and follow all safety rules when han dling testing or adjusting the equipment However these internal voltage levels are no greater than the voltages applied to the exter nal terminals DANGER HIGH VOLTAGE N _ This sign warns that the area is connected to a dangerous high voltage and you must never touch it PERSONNEL SAFETY PRECAUTIONS The following general rules and other specific warnings throughout the manual must be followed during application test or repair of this equipment Failure to do
18. 2001 Series Control with firmware version D 0146V08 01 22 or later installed SCAMP SCADA Controlable Auto Manual Pushbutton switch allows the Auto Manual state on the adapter panelto be changed by a SCADA command The SCAMP pushbutton switch must be used with a M 2001 Series Control with firmware version D 0146V08 05 XX or later installed Voltage Reduction switch allows 2 levels of Voltage Reduction to be selected Testing Specifications High Voltage All input and output terminals will withstand 1500 V ac rms to chassis or instrument ground for one minute with a leakage current not to exceed 25 mA for all terminals to ground Input and output circuits are electrically isolated from each other from other circuits and from ground Surge Withstand Capability All input and output circuits are protected against system transients Units pass all requirements of ANSI IEEE C 37 90 1 1989 defining surge withstand capability Radiated Electromagnetic Withstand Capability All units are protected against electromagnetic radiated interference from portable communications transceivers 2 M 2293B Adapter Panel Environmental Temperature Range Functionality is maintained from 40 to 485 C Humidity Functionality is maintained under 95 relative humidity non condensing Fungus Resistance A conformal printed circuit board coating inhibits fungal growth Physical Size with M 2001 Series Digital Tapchanger Control 15 00 high
19. 8 15 or later installed See Section 2 0 M 2293B Application Guide Application Disabling Auto Off Manual Switch Status Detection for the steps necessary to disable the AUTO OFF MANUAL switch detection function for M 2001 series units with an earlier firmware version Control Switches RAISE LOWER OFF switch allows local manual raise and lower commands to be initiated AUTO OFF MANUAL switch allows auto operation of the control or manual operation from the panel by using the Raise Lower toggle switch The AUTO OFF MANUAL switch status may be read by a M 2001 series control with firmware version D 0067V07 08 15 or later installed When the M 2001C Input Selection 1 screen in the Configuration menu is setto Switch Status Input the seal in input will operate as a switch status input All seal in input functions will be disabled In this mode the switch status on the adapter panel can be read to determine if it is in Auto or Manual The status can be read through the seal in switch status data point in the communications protocols VOLTAGE SOURCE switch in the EXT position disconnects the voltage transformer input and connects the EXTERNAL POWER binding posts to the voltage input and motor circuit The unit can be tested using an external 120 V RMS source of proper polarity applied to these terminals Testing can be accomplished by adjusting the amplitude of the external source DRAG HANDS RESET pushbutton resets the tapch
20. anger position indicator drag hands Binding Posts A CAUTION Do not reverse the ground and hot wires when connecting an external source A 3 AG fuse F2 is installed to protect the control from damage if these connections are accidentally reversed EXTERNAL POWER binding posts allow application of a 120 V RMS nominal voltage to the unit for test procedures METER OUT binding posts allow reading of the input voltage when used in conjunction with the BIAS TEST VOLTAGE screen of the M 2001 Tapchanger Control Status Indicators NEUTRAL light illuminates when the regulator is in the neutral tap position The Adapter Panel includes three replaceable fuses Test Terminal 3 A Voltage Sense 1 A and Motor Power 6 A M 2293B Application Guide Optional Control Switches VOLTAGE REDUCTION VR1 OFF VR2 switch allows local voltage reduction 1 or 2 to be initiated SCADA CUTOUT LOCAL REMOTE switch allows the local blocking of SCADA commands The SCADA Cutout switch must be used with a M 2001 Series Control with firmware version D 0146V08 01 22 or later installed SCAMP AUTO MANUAL pushbutton allows the Auto Manual state on the adapter panel to be changed by a SCADA command The SCAMP pushbutton Switch must be used with a M 2001 Series Control with firmware version D 0146V08 05 XX or later installed Adapter Panel Wiring Harness Disconnects are provided in the M 2293B to provide the capability to change out the cont
21. d configuration and settings on the M 2001 See M 2001 Instruction Book Chapter 4 Configuration Verify manual operation of the unit 10 Set the toggle switch to the Auto position and verify automatic operation A FUSES TEST TERMINAL 3 AMP D 2 VOLTAGE SENSE 1 AMP D M 2001 MOTOR POWER 6 AMP RAISE AUTO OFF OFF LOWER MANUAL VOLTAGE SCADA REDUCTION REMOTE USE NULL 1 0 3 4 MODEM CABLE Wa 27 3 eu Q 15 O EXT 38 O EXTERNAE POWER TA f RSS E WHITE TERMINAL IS GROUND CAUTION DO NOT APPLY VOLTAGE TO O O METER OUT TERMINALS Maximum METER GUT Projection Ta AN 1 254 M 2293B D TAPCHANGER CONTROL Y DRAG HANDS Q D I BECKWITH SG q RESET ase b DNA 1 5 8 NEUTRAL Made in U S A LIGHT 4 1 Y Y 2 Inches 3 1 8 7 9 IVA Tel Centimeters FRONT SIDE m NOTE Voltage Reduction and SCADA Cutout switches are optional Figure 9 Outline Dimensions 10 4 0 Bench Test M 2001 Connected to M 2293B B NOTE This test assumes that the M 2001 Tapchanger Control is connected to the M 2293B Adapter Panel Test Equipment 0 200 MA current supply with phase angle settings of 0 to 90 A CAUTION The current input to the M 2001 is rated at 0 2 A continuous 0 4 A for two hours and 4 0 A for 1 second 90 145 V ac voltage source at 60 Hz High impedance true RMS voltmeter with accuracy on ac of at least 0 2 of reading Accurate stop watch Setup 1 M Make electrical connections as foll
22. e M 2001C being tested is not a BASE R version then short the circulating current paralleling input for the load current check by placing a shorting device of adequate capacity across TB1 3 and TB1 4 Connect an ammeter set to the 200 mA range between the polarity input and TB1 14 Open the load current shorting device With a known load on the transformer or regulator measure the current in the load current circuit Verify that the current measured in Step 5 is correct for 0 2 A full load M 2293B TAPCHANGER CONTROL 200 mA Shorting device LDC TB1 on printed circuit board To Paralleling LOAD CURRENT Replace the shorting device across the load current input and remove the ammeter Reconnect polarity to the unit then remove the installed shorting devices The LINE DROP COMPENSATION will be activated Verify correct CT polarity by incorporating sufficient R compensation The regulator should time out and run to raise the output voltage Normally 1 CT on X4 Xo X3 bushing 9 D LDC CT o XXXX 5 A AUX CT Shorting device Figure 12 M 2293B Setup for Current Checkout Procedure Legal Information Patent The units described in this manual are covered by U S Patents with other patents pending Buyer shall hold harmless and indemnify the Seller its directors officers agents and employees from any and all costs and ezpense damage or loss resulting from
23. e RAISE and LOWER LEDs to extinguish Increase voltage to 122 0 V ac then start timing when the voltage passes 121 0 V ac Stop timing when the lamp connected to the Lower output illuminates should be approximately 5 seconds Resistance 1 Apply 100 0 mA in phase currentto TB1 14 load current polarity and TB1 15 load current return of the Adapter Panel Set S to LDC and S to I Figure 10 or Figure 11 for BASE R version Set LDC Resistance to 24 0 V The RAISE LED should illuminate Increase input voltage to 132 0 V ac The RAISE and LOWER LEDs should be extinguished M 2293B Application Guide Reactance 1 Set LDC Resistance to 24 0 V The LOWER LED should illuminate Decrease input voltage to 108 0 V ac The RAISE and LOWER LEDs should be extinguished Set LDC Resistance to 0 0 V Apply 100 0 mA 90 leading current to TB1 14 load current polarity and TB1 15 load current return of the adapter panel Set S to LDC and S to Figure 10 or Figure 11 for BASE R version Set LDC Reactance to 24 0 V The LOWER LED should illuminate Decrease input voltage to 108 0 V ac The RAISE and LOWER LEDs should be extinguished SetLDC Reactance to 24 0 V The RAISE LED should illuminate Increase input voltage to 132 0 V ac The RAISE and LOWER LEDs should be extinguished Set LDC Reactance to 0 0 V Paralleling N A For BASE R Version 1 Apply 100 0 mA 90 leading current
24. e ceu E Pee o eeu da 12 Drag Hands Resol ee 12 Counter Neutral Light Tap Position ia 12 Block Raise Block Lower Dead Band zia zikwa nen 12 Figure 10 M 2293B Test Procedure External Connections Comprehensive or BASE T Version seen rnnt 13 Figure 11 M 2293B Test Procedure External Connections BASE R Version 14 Basic Operational Test niinen asinsi ef Drac IL ER Fu RT sated hoes CERE Ra Du 15 In Service TeSt q m yu a m m a AREER en AA RAE 15 5 0 Checkout Procedure s cde tc riti tette tecto der en Eee od p eua reta ada eis 15 Pre Test Condition S simiri reete os leri ted te um Eas aE xa ER DE pese Rueda 15 OWS Mere se susu Enea er E IDEE 15 Ui Curent OT c EE 16 Figure 12 M 2293B Setup for Current Checkout Procedure 16 JA DI AA 16 2004 Beckwith Electric Co 800 2293B AG 03MC4 04 15 Printed in U S A 1 0 Introduction The Beckwith Electric M 2293B Adapter Panel used in conjunction with the M 2001 Series Tapchanger Control uses modern digital design and digital processing circuitry to achieve enhanced application flexibility plus an overall stability and resolution unattainable with electromechanical and analog design tapchanger controls CMOS semiconductors are used throughout the design This application guide should be used in conjunction with the M 2001C Instruction Book for M 2001 Series
25. ene nennen nnns enne nnns 8 l ocal Remote IDpUts ou careat tr tut ru tege et PAA Mapana saco AERE Rad EA 8 Multi Step Voltage Reduction wai nennen eaea 8 Table 1 M 2293B Multi Step Voltage Reduction External Connections 8 Paralleling N A for BASE RS and BASE R Controls sss 8 Disabling Auto Off Manual Toggle Switch Status Detection 8 lori zu e ESANS 9 Removal of the GE COM iaa enn nnne 9 Figure 6 General Electric Control in Cabinet 9 Installing the M 2293B M 2001 a 9 Figure 7 M 2001 Harness Connector esses esee nennen enhn nn 9 Figure 8 M 2001 V Notch Orientation esses sienne 9 TABLE OF CONTENTS M 2293B Adapter Panel Application Guide Figure 9 Outline Dimensions iia 10 4 0 Bench Test M 2001 Connected to M 2293B 11 Test Equiprmerit ia 11 I 11 Table2 Initial Settings eiiis esee nein aa aiaa 11 aie 11 Bi t e 11 BA e 12 Paralleling N A For BASE R Version ssssssssseeseeeeneeeeen nennen 12 Voltage Source SWITCH eiii een ideae eed Eoo reete AA Eye eges c even
26. eps 1 2 and 3 must be 412 V dc obtained from pin TB2 28 of the M 2293B adapter panel On the M 2293B TB1 2 and TB1 7 on the printed circuit board are used together to provide up to three levels of voltage reduction The external connections to achieve these steps are shown in Table 1 and Figure 3 External Connections Voltage reduction gis amounts are set within the M 2001 Series Tapchanger Control software Voltage Reduction Setpoint Apply Wetting Voltage from TB2 28 to Terminal Mulitplier Range Voltage Reduction Setpoint 1 0 to 10 ieee Voltage Reduction Setpoint 2 0 to 10 Voltage Reduction Setpoint 3 0 to 10 Table 1 M 2293B Multi Step Voltage Reduction External Connections TB1 2 TB1 7 and TB1 2 Paralleling N A for BASE RS and BASE R Controls See M 2001 Instruction Book Section 4 9 Parallel Operation Disabling Auto Off Manual Toggle Switch Status Detection The Auto Off Manual Toggle Switch status detection feature is available on M 2001 Series Digital Tapchanger Controls that have Firmware Version D 0067V07 08 15 or later installed To disable the Auto Off Manual Toggle Switch status detection feature for earlier firmware versions perform the following 1 Ensure that all power is removed from the M 2293B Adapter Panel and M 2001 control From the rear of the M 2293B Adapter Panel locate Figure 4 and remove the wire connected to Terminal S3 4 on the
27. h Only qualified personnel should install operate test and maintain this equipment Be sure that all per sonnel safety procedures are carefully followed Exercise due care when operating or servicing alone Do not modify equipment Do not perform any unauthorized modifications on this instrument Return of the unit to a Beckwith Electric repair facility is preferred If authorized modifications are to be attempted be sure to follow replacement procedures carefully to assure that safety features are maintained 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 This unit contains MOS circuitry which can be damaged by improper test or rework procedures Care should be taken to avoid static charge on work surfaces and service personnel Use caution when measuring resistances Any attempt to measure resistances between points on the printed circuit board unless otherwise noted in the Instruction Book is likely to cause damage to the unit 1 0 11 2 0 3 0 UKOCHA brasse eE 1 DES AI 1 Standard
28. ic com www beckwithelectric com ISO 9001 2008 2004 Beckwith Electric Co 800 2293B AG 03MC4 04 15 Printed in USA
29. ize and re initialize the time delay circuit when the reset signal is removed This function can be used to cause the LTC transformer if so equipped to wait for the unit to time out between tapchanges Automatic Disable Input To disable automatic operation of the M 2293B remove Jumper 15 See Figures 4 and 5 for location on the printed circuit board If SCADA is used to enable and disable this function a contact rated at 6 A minimum can be connected between the terminals Auto disable may also be accomplished by closing a contact between TB1 1 and TB2 28 Operations Counter Input A CAUTION Do not apply any voltage to this terminal An operations count is registered by momentarily grounding TB1 13 through an external dry contact from the load tapchanger The input is level sensitive Make sure that any wetting voltages are removed from the counter contacts before installing the M 2293B Adapter Panel M 2001 Tapchanger Control Local Remote Input Removing Jumper 14 See Figures 4 and 5 for location prohibits M 2001 operation by disabling the automatic raise and lower outputs and also by disabling the M 2293B Adapter Panel s manual RAISE OFF LOWER toggle switch Removing this jumper does not disable the SCADA supplied motor voltage input to the manual raise manual lower contacts on the adapter panel Multi Step Voltage Reduction A CAUTION Voltage applied through dry contacts to actuate Voltage Reduction St
30. mo7 1eBueuoder 0 1ndino esrey sebueyodey Muejod 1u amp uno Bunena uunjeg uano Bunena 1nduj z4 deis uononp y eBeyoA induj 1iqiuu eBueuode ony uoneJedo jenuenbegs uoN Burijo Ejed LaL M 2293B Test Procedure External Connections Comprehensive or BASE T Version Figure 10 213 M 2293B Application Guide yams 1S0 uojingysnd uedo jjeuuoN O O 00224 lqod 40 slu uue 3 ejeuosiq IBLIBA N Ajddns 9 A OVE 0108 eiqeisnipy H ndul H Ajddns p x 3 A OL H 4ojeaipu Ipuoljounj 40 10D 4 amp je 10 dure 1 A OZL uut4 4e W 28 A 009 rl z z xoidde 1 ze O eS O VEA lH 193e946 10 M SI A ooz xoidde ul aiqesiq ani E 8L eyoueg e 0 ZL 9p A Z lddnS Bumam 1961005 puno15 eln N JAMO 100 uinjay JUaIND peo1 Muejod uano peo1 Induj Jajuno9 suonejedo JesaH spueH eq 44617 jeneN eDeyoA perejnDeH JOMOd 1O ON Je1noN indu L4 deis uononpey eBeiyoA ndino 1807 1eBueuode indino esreu jeBueuodep indu z deis uononpeyu eBeioA eal 9L si ND st DO F oo o T LaL peo M 2293B Test Procedure External Connections BASE R Version Figure 11 14 Basic Operational Test 1 Apply 120 0 V acto TB1 9 motor power and TB1 10 regulated voltage of the adapter panel Connectneutralto TB1 8 neutral Verify local voltage equals input voltage 20 3 V Apply 100 0 mA in phase cu
31. ng a voltmeter verify that the voltage applied to TB1 10 is nominal 120 0 V ac with respect to TB1 8 WARNING Death or electrical shock can occur if a voltage source is connected at the METER OUT test terminal Applying a voltage source may energize the regulator or transformer to a high voltage through the voltage transformer A CAUTION Do not reverse the ground and hot wires when connecting an external source 5 Apply motor power to TB1 9 hot and TB1 8 neutral 6 Place the AUTO OFF MANUAL switch inthe MANUAL position 7 Using the RAISE OFF LOWER switch verify that the motor runs in the proper direction when the switch is placed in the RAISE and LOWER positions 8 Setthe AUTO OFF MANUAL switch to the AUTO position 9 Referto M 2001 Instruction Book Chapter 3 Setting the Control for setup information M 2293B Application Guide Load Current CT WARNING In no case should the load current circuit be interrupted with the regulator or trans former energized WARNING Do not remove auxiliary current transformers without shorting the currentinputs Death or severe electrical shock can occur 1 Short the line drop compensator circuit by placing a shorting device of adequate capacity across the LDC CT secondary See Figure 12 Determine if the M 2001C being tested is a BASE R version and proceed as follows a If the M 2001C being tested is a BASE R version then go to Step 3 b If th
32. ntrol or SCAMP pushbutton switch is used in conjunction with this adapter panel Motor Seal In Input Self Test Alarm Return Note 3 Self Test Alarm Polarity User Programmable Alarm Return Note 2 User Programmable Alarm Polarity 12 V dc Wetting Supply WARNING Open CT secondary will result in high voltage at CT terminals Death severe injury or damage to equipment can occur Do not operate with CT secondary open Short circuit or apply burden at CT secondary during operation Figure 3 External Connections 5 M 2293B Application Guide 6r S3 L Auto Off Manual Raise Off Lower L 6 5 4i JO 34 g5 SCADA Cutout Volt Red Remote Local VR1 OffIVR2 6r T 627 1 5 da F2 F3 F4 S2 4 N S7 4 S 18 gL Voltage Source Int Off Ext Up Neutral Down Hot TB1 9 TB1 8 TB1 10 TB1 14 TB1 15 TB1 5 TB1 6 TB1 12 232 OOo TB1 18 lla TB1 11
33. ows a If testing an M 2001 Series Tapchanger Control other than a M 2001C BASE R Version then make electrical setup connections as described in Figure 10 M 2293B Comprehensive or BASE T Version Test Procedure External Connections If testing a BASE R M 2001C then make electrical setup connections as described in Figure 11 M 2293B BASE R Version Test Procedure External Connections BI NOTE Refer to the M 2001 Instruction Book Appendix A Figures A 1 through A 13 for the locations of screens within the software B NOTE There is a one second delay between the out of band condition and panel LED indication 2 Enter initial M 2001 settings as indicated in Table 2 Initial Settings 11 M 2293B Application Guide FUNCTION INITIAL SETTING Bandcenter 120 0 V Bandwidth 2 0 V LDC Resistance 0 0 V LDC Reactance 0 0 V N A For BASE R Version Paralleling Circulating Current Method Block Raise 135 0 V Block Lower 105 0 V Deadband 2 0 V Time Delay 5 0 Seconds Table 2 Initial Settings Procedure CAUTION Do not reverse the ground and hot wires when connecting an external source 1 2 Apply 120 V ac from the power source The display of the M 2001 will automatically advance to the Local Voltage screen Increase voltage to 121 2 The LOWER LED should illuminate Decrease voltage to 118 8 The RAISE LED should illuminate Set the input voltage to 120 0 V ac then wait for th
34. rear of the AUTO OFF MANUAL toggle Switch Connect the wire removed in Step 2 to Terminal S2 4 on the rear of the RAISE OFF LOWER switch See M 2001 Instruction Book Section 6 1 External Connections for information regarding M 2001 settings to disable this function 3 0 Installation The M 2293B is equipped with hinge leaves located on the right side of the adapter panel The hinge leaves are oriented to match the existing hinge leaves of the General Electric control cabinet Refer to Figure 9 for dimensions Removal of the GE Control 1 Open the cabinet door of the General Electric control Loosen the two thumbscrews at the interface of the control cable plug Item 1 Figure 6 and the tap position indicator on the regulator then pull down on the plug to disconnect it Turn the knob on the control panel Item 2 Figure 6 then swing the panel outward Disconnect the three plugs that connect the wiring harness of the front panel to the component board Remove all connections from the component board to the NN terminal blocks Using a screwdriver or other appropriate tool remove the component board While supporting the panel remove and save the two hinges pins Item 3 Figure 6 then lift the panel off the hinges Control Cable Plug XL L 3 TA T Mas oL E T Control t Panel lt ji H Thumbscrews gh 1 PM yr es 9 Hinge Pins lt
35. rol and adapter panel as one unit The wiring harness disconnects include a seperate line current CT disconnect that includes built in CT shorting protection 2 0 Application Typical Connections In general the tapchanger motor must be operated from a different transformer than the VT used to measure regulated voltage If this is not done hunting at the upper band edge may result As soon as the motor starts and before it is sealed in the motor current can drop the voltage within the band and reset the control Some motor seal in schemes are fast enough to prevent this but others are not Pulsed output can be used on the M 2001 see Section 3 5 Pulsed Output Typical connections for the M 2293B are shown on Figure 3 Connections are simplified and may not show all functions required in a typical load tapchanging transformer control scheme for example limit switches etc External Connections Power and voltage sensing are obtained either from a common source or from independent sources having a nominal 120 V ac output Normally this is line to neutral voltage although line to line voltage can also be used if recognition is made of any phase shift between the voltage and current signals when using line drop compensation Load current must be reduced by an appropriate auxiliary current transformer to 0 2 A full scale before connecting to the M 2293B current inputs The Beckwith Electric M 0121 5 0 A to 0 2 A or
36. rrent to TB1 14 load current polarity and TB1 15 load current return of the adapter panel Verify Control Load equals 100 mA and Power Factor equals 1 0 0 02 Apply 100 0 mA 90 leading current to TB1 4 circulating current polarity and TB1 3 circulating current return of the adapter panel Verify Control Circ equals 100 0 mA 2 mA Verify the 4 or 4 and ENT pushbuttons function properly Checkout Procedure Complete In Service Test 1 Set the M 2001 Tapchanger Conrol to display Bias Voltage screen Press ENT Use the 4 or pushbuttons to cause RAISE and LOWER outputs In Service Test Complete Return unit to desired settings 15 M 2293B Application Guide 5 0 Checkout Procedure All M 2001 series units are fully calibrated at the factory There is no need to recalibrate the units before initial installation B NOTE This test assumes that the M 2001 Tapchanger Control is connected to the M 2293B Adapter Panel Pre Test Conditions 1 Place the AUTO OFF MANUAL switch in the OFF position Verify that the MOTOR POWER and VOLTAGE fuses are correctly sized and have not blown Power Remove any external connections between TB1 9 Motor Power and TB1 10 Regulated Voltage which are located on the adapter panel printed circuit board Remove any voltage applied to TB1 9 externally Apply a nominal 120 V ac test voltage source between TB1 10 hot and TB1 8 neutral Usi
37. so will violate standards for safety in the design manufacture and intended use of the product Qualified personnel should be the only ones who operate and maintain this eguipment Beckwith Electric Co Inc assumes no liability for the customers failure to comply with these requirements _ This sign means that you should refer to the corresponding section of the operation manual for important information before proceeding a Always Ground the Equipment To avoid possible shock hazard the chassis must be connected to an electrical ground When servicing equipment in a test area the Protective Earth Terminal must be attached to a separate ground securely by use of a tool since it is not grounded by external connectors Do NOT operate in an explosive environment Do not operate this equipment in the presence of flammable or explosive gases or fumes To do so would risk a possible fire or explosion Keep away from live circuits Operating personnel must not remove the cover or expose the printed circuit board while power is ap plied In no case may components be replaced with power applied In some instances dangerous volt ages may exist even when power is disconnected To avoid electrical shock always disconnect power and discharge circuits before working on the unit Exercise care during installation operation amp maintenance procedures The equipment described in this manual contains voltages high enough to cause serious injury or deat
38. tector Input Neutral Position Detector 1 Neutral Position Detector 2 Tapchanger Lower Output Non Sequential Operation Auto T C Inhibit Input SCADA Cutout Voltage Reduction Step 1 Input Motor Seal In Disconnect Output User Programmable Alarm Self Test Alarm User Programmable Alarm Non Interruptable Power Supply Input Self Test Alarm SEES kaa iore UM Motor Power Fuse 6 A Voltage In T Fuse 1 A Neutral Li ght 1 Drag Hands Ter 20090000 Ta Tay Reset OOOO Manual i Raise OFF n o Momentary 3 0o Manual 1 Lower 666666600666606060606666 OOR Voltage i H OFFO Reduction VR2 j L se m 150 A 000000050090 Non Seguential Auto Tapchange Inhibit Input Voltage Reduction Step 2 Input Circulating Current Return Circulating Current Polarity Tapchanger Raise Output Tapchanger Lower Output Voltage Reduction Step 1 Input Neutral Motor Power 120 240 V ac Supply Regulated Voltage 120 V ac Neutral Light Drag Hands Reset Operations Counter Input Line Current Polarity Line Current Return Motor Power Return Local Remote Auto Disable Manual Raise Manual Lower Motor Seal In Input Self Test Alarm Return Self Test Alarm
39. to TB1 4 circulating current polarity and TB1 3 circulating current return of the adapter panel The LOWER LED should illuminate Decrease voltage to 108 0 V ac The RAISE and LOWER LEDs should be extinguished Turn off the current input Voltage Source Switch 1 Set the AUTO OFF MANUAL switch to OFF Set the Voltage Source switch to EXT Verify no manual RAISE or LOWER output Attach the voltmeter to the Meter Out terminals Verify no voltage is present Apply 120 V ac to the External Power jacks Black Hot White Neutral Set the AUTO OFF MANUAL switch to AUTO 12 8 Verify normal raise and lower operation 9 Returnthe Voltage Source switch to INT Drag Hands Reset 1 Connect a lamp or ac relay from TB1 12 drag hands reset to TB1 8 neutral of the adapter panel 2 Press the DRAG HAND RESET switch the connected lamp or ac relay should illuminate activate Counter Neutral Light Tap Position 1 Set the M 2001 Series Digital Tapchanger Control to display the Operations Count Screen Verify counter operation by connecting a Switch between TB1 13 operations counter input and TB1 8 neutral of the adapter panel Lower the input voltage until the RAISE LED illuminates Allow the delay timer to time out then activate the switch between TB1 13 operations counter input and TB1 8 neutral The tap position should change Place a jumper between TB1 11 neutral light and TB1
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