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M-0329B Instruction Book

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Table 1

TCC Connections

Содержание M-0329B

Страница 1: ...Instruction Book M 0329B LTC Backup Control ...

Страница 2: ... lower limits Prevents the line drop compensator from raising the voltage too high under full or overload conditions Fully transient protected and operates within 1 voltage accuracy over a temperature range of 40 to 80 C Includes First Customer Protection LTC Backup Control M 0329B CONTROLS ...

Страница 3: ...lar to those found on LTC transformer controls BLOCK RAISE LOWER and LOWER LEDs indicate backup control status Block Raise Block Lower Lower and Alarm contacts provide outputs to drive external components Inputs Power 90 to 140 V ac 50 60 Hz 2 W at 120 V ac Voltage Less than 0 2 VA burden at 120 V ac input Front Panel Controls BANDWITH VOLTS An accurately calibrated dial adjusts the bandwidth betw...

Страница 4: ...surge withstand capability All inputs and outputs will withstand 1500 V ac to chassis or instrument ground for one minute Voltage inputs are electrically isolated from each other from other circuits and from ground All faces of the relay with the chassis solidly grounded have been exposed to Radio Frequency Immunity testing and have successfully passed with a field intensity of 20 V per meter at t...

Страница 5: ...TRIC CO INC 6190 118th Avenue North Largo Florida 33773 3724 U S A PHONE 727 544 2326 FAX 727 546 0121 E MAIL marketing beckwithelectric com WEBPAGE www beckwithelectric com 800 0329B SP 02MC2 09 03 1998 Beckwith Electric Co Printed in U S A 06 19 02 ...

Страница 6: ... 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...

Страница 7: ...atures 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 resist...

Страница 8: ...ting 4 Figure 4 External Connections 4 4 1 Application 5 Figure 5 Power and Voltage Input Connections 5 Figure 6 M 0329B Interconnections with Beckwith Tapchanger Controls and Regulator 5 Table 1 TCC Connections 6 Figure 7 Interconnections for use with Centrifugal type Capacitor Drive Motors 7 5 1 Adjustment 8 6 1 Theory of Operation 8 Power Supply 8 AC DC Converter 8 Level Detectors 8 Power Suppl...

Страница 9: ... to Block Lower Test 15 Lower Timer Delay Test 15 Fixed Alarm Time Delay Test 15 Removing the Printed Circuit Board 16 Component Replacement Procedure 16 9 1 Typical Voltages 16 Table 3 Typical Voltages 16 10 1 Typical Resistances 17 Table 4 Typical Resistances 17 Figure 11 Component Location 18 11 1 Calibration 19 Parts List 20 800 M0329B IB 01MC2 09 03 Beckwith Electric Co Inc Printed in U S A 0...

Страница 10: ...and BANDWIDTH similar to those found on LTC transformer controls The amount of Deadband between the Block Raise and the Lower levels can be selected by the customer using a switch on the side of the unit The BANDCENTER dial has settings from 100 V rms to 140 V rms that allow the relay to match any transformer control Above the Block Raise level the relay will detect voltage above the Lower setpoin...

Страница 11: ...r is provided to allow a normal control to correct the voltage After 3 minutes of abnormal voltage the M 0329B ALARM contact will indicate an abnormal condition The BLOCK RAISE LOWER LED will be on the ALARM relay contacts TB1 14 to TB1 15 will be closed and TB1 15 to TB1 16 will be open The ALARM contacts will also indicate an alarm condition if the AC power to the M 0329B fails The ALARM contact...

Страница 12: ...k 1 1 8 Max 2 86 cm 2 3 8 6 03 cm TB1 4 3 4 12 07 cm 8 3 4 22 23 cm 7 3 4 19 69 cm 1 2 1 27 cm 8 1 4 20 96 cm 5 3 4 14 61 cm 4 3 4 12 07 cm 1 4 64 cm NOTE Panel mount using four 10 bolts Figure 2 Mounting and Outline Dimensions ...

Страница 13: ...unds torque 16 AWG AMP 51864 1 or equivalent Recommended Wire Terminations Tighten to 16 inch pounds Figure 3 Wire Terminations for External Connections as Required for UL Listing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TB1 BLOCK 120 V ac Power Input Hot 120 V ac Power Input Neutral Voltage Sensing Input Hot Voltage Sensing Input Neutral BLOCK RAISE ALARM LOWER LOWER NOTE All contacts are shown in ...

Страница 14: ...aise Motor Auxiliary Relay 84L Lower Motor Auxiliary Relay 1 120 Vac POWER 2 3 4 Voltage 14 15 Alarm NOTE If first customer protection is not required delete these connections Figure 6 M 0329B Interconnections with Beckwith Tapchanger Controls and Regulator 4 1 Application The M 0329B can be used in many applications not related to LTC backup for a very accurate overvoltage and or undervoltage rel...

Страница 15: ...2 0 M 5 9 6 3 B T 0 8 2 2 M 2 B T 0 8 2 0 M 6 4 7 3 B T 8 7 2 2 M 2 B T 8 7 2 0 M 0 1 9 1 1 1 B T 3 9 2 2 M 3 9 2 0 M 5 9 6 N N 3 9 2 2 M 3 4 2 0 M 7 2 N N 9 N N 8 2 N N 3 2 3 0 M L J C 4 2 3 2 M 4 2 3 0 M 5 2 2 V 3 2 8 3 3 0 M 0 1 9 1 1 4 B T 9 3 3 2 M 9 3 3 0 M 0 1 9 1 1 5 4 3 0 M 2 1 V 3 5 5 3 2 M 5 5 3 0 M 3 R m V 3 L 7 5 3 0 M 5 1 E 2 E 8 1 E Table 1 TCC Connections ...

Страница 16: ...fore powering in reverse direction Existing Raise and Lower New Block Raise and Block Lower Relays Terminals on M 0329B Backup Relay M 0329B K1 K2 Contacts shown In Band state Timer Relay Contact shown before timing out M 0329B K3 Block Lower M 0329B K2 Block Raise L 3 B 2 Figure 7 Interconnections for use with Centrifugal Type Capacitor Drive Motors M 0329 K3 Block Lower ...

Страница 17: ...ctions described previously The input protection circuitry for the Sensing Input is the same used for the Power Input Transformer T2 steps down the input level to a lower level used by the Ac Dc Converter U2 1 U2 7 and associated circuitry form a precision active full wave rectifier filter that converts the ac Sensing Input to a dc voltage that is proportional to the average voltage level of the S...

Страница 18: ...d energizing K1 R40 and R41 provide the positive feedback to prevent oscillations The length of the time delay is determined by the setting of R5 Alarm The ALARM relay provides an indication that the M 0329B is in a blocking condition or that the power is off Relay K4 is normally energized when there is no Alarm condition When K4 is de energized an Alarm is generated by the closing of TB1 14 to TB...

Страница 19: ...1 4W 1 R20 24 3 1 8W 1 TP3 TP7 R102 124 1 4W 1 R61 48 7 1 8W 1 TP4 R62 73 2 1 8W 1 TP5 T2 U 0255 2 12 5 7 10 R63 97 6 1 8W 1 CR12 1N4148 TB1 4 4 R21 102 1 8W 1 F2 1 2A TP21 TB1 3 3 TP2 C8 01uf 125V RV6 275V JP2 C19 1uf 50V R13 24 9K 1 8W 1 R18 1 78K 1 8W 1 JP1 VR1 1N5365B 36V CR6 1N4004 C7 470uf 50V CR2 1N4004 CR3 1N4004 CR4 1N4004 C2 05uf 600V C3 470uf 50V CR13 1N4148 U5 LM317 VIN 3 ADJ 1 VOUT 2 ...

Страница 20: ...1 1K 1 4W 5 R5 500K J2 3 2 1 CR11 1N4148 R33 100K 1 4W 5 CR19 1N414 R34 2K 1 4W 5 CR17 1N4148 C15 4 7uf 25V TB1 6 6 R46 15K 1 4W 5 TB1 8 8 TB1 5 5 TB1 9 9 C14 1uf 50V J1 6 5 4 3 2 1 TB1 7 7 TB1 10 10 K3 T75 24VDC 5 4 3 1 2 CR21 MMBD1501 A U4D 4081 12 13 11 R48 15K 1 4W 5 U4B 4 0 8 1 5 6 4 14 7 TP9 U4C 4081 8 9 10 U4A 4081 1 2 3 CR24 LED P2 1 2 3 R32 510K 1 4W 5 VR4 CMPZ5227B 1N747A 3 6V R15 50K 1 ...

Страница 21: ... OK 1 I I 10 LEVEL I DETECTORS I I I I I I I I I Luncn I I I I I I I DEAD BANO LOWER 1 TO 4 Vac I BLKIRAISE B W ADJUST 8 TO 24Vac I I BLKILOWER I I I I I I I I I _________ 1 24 K1 c I TIME DELAY r K1 12 1 30 SEC 24 ADJUSTAB E 13 LOWER K2 r LOWER K BlK RAISE r 0 24 K3 t VBLK LOWER K3 ALARM TIME DELAY 3 MIN FIXED 24 4 K4 c B K4f Le ALARM ...

Страница 22: ...requested shipping charges will be billed at the current rate If the fault is due to abuse or misuse or if the unit is out of warranty a modest charge will be made Repair can normally be expected to take two weeks plus shipping time If faster service is required it should be requested at the time of return NOTE Units returned with only a blown fuse are not covered by warranty and a nominal repair ...

Страница 23: ...e on 2 A variac 0 to 140 V adjustable transformer 3 A high impedance true rms digital multimeter with an ac accuracy of at least 0 02 of reading Fluke 45 or equivalent 4 Solder sucking syringe or solder wick 5 Soldering iron Weller Controlled Output Soldering Station Model MTCPL 60 W 120 V 50 60 Hz or equivalent with grounded tip 6 An accurate stopwatch 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 M 032...

Страница 24: ...e difference between VBlock Lower and VBlock Raise 2 Repeat Step 1 at 12 V Bandwidth 18 V Bandwidth and 24 V Bandwidth 3 The Bandwidth should be within 10 of setting Deadband Block Raise to Block Lower Test 1 Return the BANDWIDTH dial to 6 V 2 Check the actual Bandwidth between the VBlock Raise and VLower by recording the voltage at which the LOWER LED turns on 3 Reduce the input voltage until the...

Страница 25: ...ponent and discard 3 Remove the excess solder using the solder syringe or wick leaving the hole or pad clear to facilitate insertion of the new component CAUTION Do not attempt to melt the solder and push the new component through the hole as the leads are likely to catch the edge of the foil and lift it off of the board CAUTION If the M 0329B fails to operate properly and you choose to repair the...

Страница 26: ... n o i t a c o L d a e L e l a c S e t a m i x o r p p A g n i d a e R 1 1 B T 2 1 B T 0 0 2 Ω 5 1 1 Ω 3 1 B T 4 1 B T K 0 2 K 7 1 2 5 1 B T 6 1 B T M 0 2 0 0 6 1 B T 7 1 B T 0 2 Ω 4 0 Ω 8 1 B T 9 1 B T M 0 2 0 0 9 1 B T 0 1 1 B T 0 2 Ω 3 0 Ω 1 1 1 B T 2 1 1 B T M 0 2 0 0 2 1 1 B T 3 1 1 B T 0 2 Ω 3 0 Ω 4 1 1 B T 5 1 1 B T 0 2 Ω 3 0 Ω 5 1 1 B T 6 1 1 B T M 0 2 0 0 Table 4 Typical Resistances ...

Страница 27: ... CR20 ACR21 0 C3 TP4 r Dl u CUD CJlLJ 51 7 8 TP9 ru 8 E l Q C 4 m f Q CRI rN1 fMl IN1 1 Br c L ImI u TP TI 1 0 r T2 BECKWITH ELECTRIC P 1547 REV C BE 450 00184 Q u rn r _____ 6 JI tJ CR2SO A 4 OR24 iii I D C 7 I I C 8 C p6 IIC 3 W UL 4 I lu I I u u I I LRV1 OOJ C 0 6 00 EJ 00 L K2 K3 J TI8 Dl Dl Dl Dl C118 Dl Dl Dl CIDI Dl Dl D1 GD ID I 2 3 4 S 6 7 8 9 10 II 12 13 14 IS 16 ...

Страница 28: ... 120 V rms setting The Bandcenter should be 120 V rms 0 5 V 7 If the 120 V rms setting is not within specifications repeat Steps 1 through 6 at the 102 V rms setting and the 138 V rms setting Bandwidth 1 Set the BANDWIDTH dial to 12 V 2 Slowly raise the voltage input until the BLOCK RAISE relay energizes Note the voltage VBR 3 Slowly lower the voltage until the BLOCK LOWER relay energizes Note the...

Страница 29: ...esponsible for supplying the current replacement in the shortest possible time Sufficient detailed description is also given to permit purchasing from an electronics parts house providing the part is of equal or better quality to insure reliable operation This may require some interpretation of specifications which may be avoided by direct purchase from Beckwith Electric using the BECO NUMBER Note...

Страница 30: ...on K1 K4 431 00099 Relay SPDT 24 V dc P1 030 00202 Header 6 Position P2 030 00203 Header 3 Position Q2 Q5 400 00774 Transistor NPN 2N2222A SMT R1 R2 188 01003 Resistor 100 K 1 1 8 W R3 360 00120 Potentiometer 2 K 5 R4 360 00121 Potentiometer 500 Ω 5 R5 360 00124 Potentiometer 500 K R6 240 00100 Resistor Carbon 10 Ω 10 2 W R9 240 00152 Resistor Carbon 1 5 K 10 2 W R10 188 04992 Resistor 49 9 K 1 1 ...

Страница 31: ...1 1 8 W SMT R26 188 07503 Resistor 750 K 1 1 8 W SMT R27 180 00912 Resistor Carbon 9 1K 5 1 4 W SMT R28 340 00106 Resistor 7 5 M 1 1 8 W SMT R29 R33 R40 R45 R47 340 00056 Resistor 100 K 5 1 4 W SMT R30 188 02673 Resistor 267 K 1 1 8 W SMT R31 185 00684 Resistor 680 K 5 1 4 W SMT R32 185 00514 Resistor 510 K 5 1 4 W SMT R34 185 00202 Resistor 2 K 5 1 4 W SMT R35 188 05362 Resistor 53 6 K 1 1 8 W SM...

Страница 32: ... 1 1 8 W SMT R60 340 00107 Resistor 0 ohm jumper 1 8 W SMT R61 188 048R7 Resistor 48 7 1 1 8 W SMT R62 188 073R2 Resistor 73 2 1 1 8 W SMT R63 188 097R6 Resistor 97 6 1 1 8 W SMT R102 187 01240 Resistor 124 1 1 4 W SMT R103 187 01371 Resistor 1 37 K 1 1 4 W SMT RV1 RV4 400 00724 Varistor 250 V 20 J RV2 RV5 400 00718 Varistor 1 kV 80 J RV3 RV6 400 00717 Varistor 275 V 40 J S1 431 00106 Switch DPST ...

Страница 33: ...0070 OH U2 560 00043 Quad Op Amp Integrated Circuit CA224 SMT U3 560 00042 Quad Op Amp Integrated Circuit TLC274 SMT U4 540 00097 Quad 2 AND Gate CD4081B D M SMT U5 560 00008 Voltage Regulator LM317 40V VR1 400 00061 Diode 36 V IN5365A VR3 400 00270 Diode Zener 15 V CMZ592B SMT VR4 400 00275 Diode Zener 3 6 V CMZ52278 SMT REV A ...

Страница 34: ... 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 th...

Страница 35: ...TH ELECTRIC CO INC 6190 118th Avenue North Largo Florida 33773 3724 U S A PHONE 727 544 2326 FAX 727 546 0121 E MAIL marketing beckwithelectric com WEB PAGE www beckwithelectric com Beckwith Electric Co Printed in USA 800 0329B IB 01MC2 09 03 ...

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