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Hoyt Electrical Instrument Works, Inc. Alpha 40A Plus, Operating Manual

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Hoyt Electrical Instrument Works, Inc. Alpha 40A Plus Operating Manual Download Page 32

# DIN Installation steps

1.  Remove  the  ANSI  studs  if  it  is 
there.
2. Insert 4 threaded rods by hands 
into the back of meter.
3. Mount the panel securely with 
lock washer and nut on each 
threaded rod.

32

Summary of Contents for Alpha 40A Plus

Page 1: ...Alpha 40A 41A 42A Operating Manual Rev 01_09 2015 2 60 006 00 00614...

Page 2: ......

Page 3: ...2 1 5 Current Transformer Secondary value 3 2 1 6 Demand Integration Time 3 2 1 7 Auto Scrolling 3 2 1 8 Low Current Noise Cutoff 3 2 1 9 No of Poles Selection 3 2 1 10 Energy Output 3 2 1 11 Energy D...

Page 4: ...14 Optional Pluggable Module 15 16 Connection for Optional Pulse output RS 485 3 2 4 1 1 1 3 Pulse Rate 3 2 4 1 1 2 Limit output 3 2 4 1 1 2 1 Assignment of Limit Output to Parameter 3 2 4 1 1 2 3 Tr...

Page 5: ...analog panel meters It measures electrical parameters like AC voltage Current Frequency Power Energy Active Reactive Apparent phase angle power factor many more The instrument integrates accurate meas...

Page 6: ...tem Phase Phase Angle System Phase kW kVAr kVA Degree kVArh Capacitive Reactive Energy 9 Digit resolution kVArh Inductive Reactive Energy 9 Digit resolution kVAh Apparent Energy 9 Digit resolution Neu...

Page 7: ...tive Energy 11 Inductive Reactive Energy 12 Apparent Energy 14 Min Sys Voltage Current 15 Max Sys Voltage Current 16 R Phase W VA Phase Angle only W 17 Y Phase W VA Phase Angle only W 18 B Phase W VA...

Page 8: ...Display On Modbus 29 Run Hour 30 On Hour 35 No of Interruptions 37 I neutral 38 Old Active Import Energy 39 Old Active Export Energy 41 Old Reactive Capacitive Energy 42 Old Reactive Inductive Energy...

Page 9: ...E PassWord SYS PArA System Parameter Sec 3 2 1 Sec 3 2 2 Sec 3 2 3 Sec 3 2 4 Sec 3 2 4 1 1 Sec 3 2 4 1 1 1 Sec 3 2 4 1 1 1 1 Sec 3 2 4 1 1 1 2 Sec 3 2 4 1 1 1 3 Sec 3 2 4 1 1 2 Sec 3 2 4 1 1 2 1 Sec 3...

Page 10: ...o scroll the value of first digit from 0 through to 9 the value will wrap from 9 round to 0 Press the key to advance to next digit Enter Password second digit entered prompt for third digit Denotes th...

Page 11: ...eturn to the Enter Password stage Pressing the key exits the Password menu returns operation to the measurement reading mode Pressing the key will scroll the value of the fourth digit from 0 through t...

Page 12: ...em parameters see section 3 2 3 1 Pressing the key will advance to Output Option selection screen see section 3 2 4 3 2 4 Output Option selection screen This screen will allow the user to select Outpu...

Page 13: ...enu See section 3 2 1 2 Pressing the key will return to the system type edit stage NOTE Default value is set to 4 i e 3P 4W Pressing the key will enter the system type edit mode scroll through the val...

Page 14: ...r different ranges 3 2 1 3 Potential Transformer Secondary Value The value must be set to the nominal full scale secondary voltage which will be obtained from the Transformer when the potential transf...

Page 15: ...00 MVA 1000 MVA per phase in which case the digit range will be restricted the value will wrap Example If primary value of PT is set as 1200 kVL L max value then primary value of Current is restricted...

Page 16: ...2 1 8 This screen allows the user to set Low noise current cutoff in mA 3 2 1 8 Low Current Noise Cutoff Pressing key accepts the present value and advance to No of Poles selection Pressing the key wi...

Page 17: ...W then Energy Output can be set only as kWh and MWh 3 Old Energy is stored as per Energy Output only Pressing key set the number on screen as number of poles of generator advance to Energy Resolution...

Page 18: ...nter the Energy Rate edit mode This will scroll the count in minutes from 1 to 60 Ex If Energy Rate is set to 2 then energy will get stored after 2 minutes Pressing key will advance to Energy Digit Re...

Page 19: ...given below ALL reset all resettable parameters d reset all demand parameters E reset all energies Hi reset maximum values of voltage current Lo reset minimum values of voltage current hr reset run ho...

Page 20: ...g key accepts the present value and advance to Pulse Rate selection menu see section 3 2 4 1 1 1 3 Pressing the key will enter the Pulse Duration Edit mode and scroll the value through 60 100 200 and...

Page 21: ...De Energized Relay Pressing the key sets the displayed value will advance to Trip point selection Screen See section 3 2 4 1 1 2 3 NOTE Default value is set to Hi E For details refer to section 10 2 P...

Page 22: ...key set displayed value will advance to Assignment of De energizing delay time See section 3 2 4 1 1 2 6 NOTE Default value is set to 1 3 2 4 1 1 2 6 De Energizing Delay time This screen allows the us...

Page 23: ...enter the User Screen Edit mode and scroll through the screen numbers as per TABLE 2 Measurement Screens Pressing key will set the displayed value advance to User Screen 2 selection Similarly enter t...

Page 24: ...d count is 105000 10 it indicates 105000 hours and 10 minutes After 999999 59 On hours display will restart from zero To reset On hour manually see section Resetting Parameter 3 2 3 1 6 Phase Absent s...

Page 25: ...N 2 3 Volts 3 4 IL1 10 120 10 120 Vnom L N Inom 5 IL2 6 IL3 7 W1 8 W2 9 W3 10 120 10 120 10 120 10 120 10 120 Inom Inom Nom 3 Nom 3 Nom 3 10 VA1 11 VA2 12 VA3 13 VAr1 14 VAr2 10 120 10 120 10 120 10 1...

Page 26: ...102 VL2 L3 103 VL3 L1 Vnom L L Vnom L L Vnom L L 10 120 10 120 10 120 52 VA Max Demand 53 Current Demand 54 Current Max Demand 10 120 10 120 10 120 Nom 3 Inom Inom Note Parameters 1 2 3 are L N Volta...

Page 27: ...in Whr Divisor 1 Pulse rate Pulse System Power 1 per kWhr 1 per MWhr Up to 3600 kW Above 3600 kW 2 For Energy Output in KWhr Divisor 1 Pulse rate Pulse 1 per MWhr 3 For Energy Output in MWhr Above op...

Page 28: ...han Hysteresis Similarly if Lo alarm Energized or Lo alarm De Energized Energizing Delay The energizing delay can be set in the range from 1 to 10 sec Note In case of lo alarm if trip point is set gre...

Page 29: ...p point Hysterisis point Time 50 25 2s 2s 1 Hi alarm Energised relay Input Relay De energise Relay Energise Trip point Hysterisis point Time 50 25 2s 2s 2 Hi alarm De energised relay Input Relay De en...

Page 30: ...el may be obtained by the use of an Optional panel gasket The terminals at the rear of the product should be protected from liquids The Meter should be mounted in a reasonably stable ambient temperatu...

Page 31: ...ANSI Installation steps 1 Insert 4 threaded rods by hands into the back of meter 2 Mount the panel securely with lock washer and nut on each threaded rod 31...

Page 32: ...DIN Installation steps 1 Remove the ANSI studs if it is there 2 Insert 4 threaded rods by hands into the back of meter 3 Mount the panel securely with lock washer and nut on each threaded rod 32...

Page 33: ...e product against permanent damage surge transients must be limited to 2kV pk It is good EMC practice to suppress differential surges to 2kV at the source The unit has been designed to automatically r...

Page 34: ...DIN ANSI PANEL CUTOUT DIN 92 mm 92 mm ANSI METER FRONT FACE 34...

Page 35: ...t may be the limits of the Chosen auxiliary voltage range CT1 CT2 V1 V2 V3 VN I1 I3 L1 L1 L2 L3 AUX INPUT INPUT FOR 3 PHASE 3 WIRE UNBALANCED LOAD CT3 I2 L N E G A B RS 485 RELAY1 RELAY2 CT1 V1 VN I1...

Page 36: ...120 of Nominal value Std Values 1 to 1A 5A 9999A 1 or 5 Amp secondary System CT Secondary Values programmable at site L L LN L L LN Overload Indication OL 121 of Nominal value for voltage and current...

Page 37: ...ture as per IEC 62053 21 37 2 x Rated Value 1s application at 10s intervals 20 x Rated value for 0 5sec Overload withstand Current input Voltage input repeated 10 times Auxiliary Supply Higher 60V to...

Page 38: ...2 push buttons User Interface Standards IEC 61326 1 2005 IEC 61010 1 2010 EMC Emmision Safety Front IP 54 Back IP 20 IP for water dust IEC 61000 4 3 10V m Level 3 Industrial Low Level EMC Immunity per...

Page 39: ...utput 110 VLL 16000 impulse kWh 230 VLL 8000 impulse kWh 415 VLL 4000 impulse kWh Impulse Constant 1 per 100Wh up to 3600W 1 per 100kWh up to 3600 kW 1 per 100MWh above 3600 kW up to 30000 kW 100 1 pe...

Page 40: ...40 NOTE...

Page 41: ...memo Invoice This warranty entitles you to bring themeter accessories at your cost to NO TRANSPORTATION CHARGES WILL BE REIMBURSED the nearest stockist dealer and collect it after repairs The warranty...

Page 42: ...notice transit damage then you must obtain the insurance surveyors report and forward it Thank you will be final Scope of supply 1 Side Clamp 2 Connecters 3 User Manual To be filled by authorised dea...

Page 43: ......

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