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JIANGSU Sfere720A, User Manual, Page: 3 / 48

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Content

1. Product description

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1

1.1 Compliance with standards

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1

1.2 General

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1.3 Model selection

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2

2. Technical parameters

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3

2.1 Technical specification

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3

2.2 Function parameters

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5

3. Installation and wiring

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3.1 Meter dimensions

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3.2 Installation method

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3.3 Functions of wiring terminals

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3.4 Signal input wiring diagram

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4. Display

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4.1 Panel description

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4.2 Electrical variables display

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4.2.1 Electrical variables display

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4.2.2 Energy display

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4.2.3 Spare energy display

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4.2.4 Harmonics display pages

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4.2.5 Demand value display pages

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4.2.6 Extreme value display

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4.2.7 Tariff energy display pages

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4.2.8 Time display

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4.3 Operation instruction for keys on panel

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4.3.1 Parameter setting menu structure

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4.3.2 System setting

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32

Summary of Contents for Sfere720A

Page 1: ...Multi function Power Meter User Manual Applied to Sfere720A Sfere720B JIANGSU SFERE ELECTRIC CO LTD...

Page 2: ...input signal and the power supply are switched off The electrical parameters supplied should be within the rated range The following situations may result in damages to the meter or cause mistakes in...

Page 3: ...erminals 7 3 4 Signal input wiring diagram 9 4 Display 10 4 1 Panel description 10 4 2 Electrical variables display 10 4 2 1 Electrical variables display 11 4 2 2 Energy display 15 4 2 3 Spare energy...

Page 4: ...6 6 2 Digital input 37 6 3 Relay output 37 6 4 Max Min value demand 39 6 5 Event recording 40 7 Common problems and troubleshooting 40 7 1 About communication 40 7 2 Measurements about U I and P are i...

Page 5: ...Environmental testing Part 2 30 Tests Test Db Damp heat cyclic 12h 12h cycle 1 2 General SFERE720A B multi function power meters can measure voltage current frequency power power factor energy harmoni...

Page 6: ...ing Bi directional energy Four quadrant reactive energy Spare energy Tariff energy Power quality Voltage current THD Sub harmonic content 2nd 51st Sequence component and phase position of voltage and...

Page 7: ...to case resistance 100M Working power supply Rated range AC DC 20 300 V Power consumption 5VA Withstand voltage 2kV Voltage input Rated range 230V 400V continuous 1 2Un Resolution 0 1 V Impedance 1 6...

Page 8: ...ace RS 485 Communication speed Up to 115 2 kbps Communication protocol Modbus RTU Isolation voltage 2000 VAC 1 min Real time clock Error 0 5s day Electromagnetic compatibility Electrostatic discharge...

Page 9: ...z 65 00 Hz Active energy EP 0 5s 0 99999999 MWh Reactive energy EQ 2 0 99999999 Mvarh Voltage THD THDu Class A 51 0 99 99 Current THD THDi Class A 51 0 99 9 9 Voltage sub harmonic content HRUh Class A...

Page 10: ...6 3 Installation and wiring 3 1 Meter dimensions 7 5 50 5 10 m ax 96 90 90 Picture 3 1 Meter dimensions 3 2 Installation method Picture 3 2 Front view Picture 3 3 Back view...

Page 11: ...anel 3 3 Functions of wiring terminals Function wiring terminals adopt the following numbers Power supply 1 2 For AC and DC Current signals 4 5 6 7 8 9 65 66 Current input Voltage signals 11 12 13 14...

Page 12: ...720A Sfere720B 1 2 L N 58 A B S 59 60 PC RS232 RS485 1DI 2DI 70 71 72 73 15 16 17 Current Inputs 47 48 AP RP N L 11 14 12 13 4 9 5 6 7 8 66 65 4 9 5 8 6 7 66 65 I1 I2 I3 IN S1 S2 S1 S2 S1 S2 S1 S2 V1...

Page 13: ...o PT 3P3W 3CT 2PT L1 L2 L3 3P3W 3CT 3PT 3P4W 3CT 3PT N 3P3W 2CT no PT 3P3W 2CT 2PT L N L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 3P4W 3CT no PT N L1 L2 L3 N L1 L2 L3 N L1 L2 L3 11 13 14 4 9 5 8 6 7...

Page 14: ...red by meter 4 Display 4 1 Panel description 1 2 3 4 1 Model 2 Phase indication 3 Measured information and relevant information display 4 Keys for switching display pages and setting parameters 4 2 El...

Page 15: ...wer factor frequency and switch status The detailed instruction is shown as follows Table 4 1 Electrical variables display pages Electrical variables display Instruction Three phase voltage U L1 220 1...

Page 16: ...quency F 50 00Hz Three phase active power P L1 1901W P L2 1902W P L3 1903W Three phase reactive power Q L1 1645var Q L2 1646var Q L3 1647var Three phase apparent power S L1 14 7kVA S L2 14 8kVA S L3 1...

Page 17: ...13 Total active power P 5700W Total reactive power Q 4936var Total apparent power S 45 7kVA Three phase power factor PF L1 0 950 PF L2 0 960 PF L3 0 970...

Page 18: ...14 Total power factor PF 1 000 Voltage unbalance Uunb 24 1 Current unbalance I unb 5 8 Neutral current In 5 06A Note if neutral current ratio is 0 this page will not be shown...

Page 19: ...to two relay outputs severally If one relay output acts the corresponding number will flash 4 2 2 Energy display Energy display pages show bi directional active and reactive energy active and reactive...

Page 20: ...energy EQ 650kvarh Export total reactive energy EQ 0kvarh 4 2 3 Spare energy display Spare energy display pages show active and reactive spare energy When spare energy metering starts total energy met...

Page 21: ...pages Spare energy display Instruction Total import active spare energy BEP 10006kWh Total export active spare energy BEP 3000 5kWh Total import reactive spare energy BEQ 7800kvarh Total export react...

Page 22: ...of voltage and current of each phase Sub harmonics are read through communication The detailed instruction for display pages is shown as follows Table 4 4 Harmonics display pages Harmonics display In...

Page 23: ...19 Current THD I1 THDi 3 01 Current THD I2 THDi 3 12 Current THD I3 THDi 3 04 Voltage THD in three phase three wire mode U12 THDv 4 15...

Page 24: ...alue display pages Demand display pages show the demand value of three phase current and power The detailed instruction for demand display pages is shown as follows Table 4 5 Demand value display page...

Page 25: ...2500var Max demand of S 5700VA 4 2 6 Extreme value display Demand display pages show the maximum and minimum values of phase voltage line voltage current active power reactive power apparent power an...

Page 26: ...phase voltage Max Un 380 8V Maximum value of total active power Max P 5707W Minimum value of power factor Min PF 0 10 4 2 7 Tariff energy display pages The meter can measure the energy of four types o...

Page 27: ...lay pages Tariff energy display Instruction Import total active energy EA T 19 862kWh Import total active energy of T1 EA T1 5 944kWh Import total active energy of T2 EA T2 1 425kWh Import total activ...

Page 28: ...active energy of T4 EA T4 2 016kWh Total energy of present month E0 T 3 486kWh Energy of T1 of present month E0 T1 2 431kWh Energy of T2 of present month E0 T2 0 000kWh Energy of T3 of present month...

Page 29: ...gy of T4 of present month E0 T4 0 000kWh Total energy of last month E1 T 0 000kWh Energy of T1 of last month E1 T1 0 000kWh Energy of T2 of last month E1 T2 0 000kWh Energy of T3 of last month E1 T3 0...

Page 30: ...0kWh Total energy of the month before last month E2 T 0 190kWh Energy of P1 of the month before last month E2 T1 0 000kWh Energy of T2 of the month before last month E2 T2 0 000kWh Energy of T3 of the...

Page 31: ...display Instruction The left picture shows 16 year 05 month 28 day 08 hour 45 minute 37 second 4 3 Operation instruction for keys on panel Press for 3s minimum and then release it the display will sh...

Page 32: ...rogramming menu and confirm modification To change values press key to select a bit and press key to change the number at the selected bit To change the position of decimal point keep pressing key unt...

Page 33: ...ly The menu structure diagram is as follow Table 4 7 Detailed instruction for parameter setting menu First level Second level Third level Instruction System setting Password User password Cyclic displ...

Page 34: ...dary voltage 0 690 V Secondary voltage Primary current 0 9999 kA Primary current Secondary current 0 6 A Secondary current Neutral current Neutral current ratio If it is o the neutral current will not...

Page 35: ...zone Digital input Switch channels Spare energy status Alarm setting Work mode off remote control alarm Pulse width 0 99 99s Pulse width Item Alarm item Alarm value 0 9999 Alarm value Hysteresis value...

Page 36: ...th Meter reading Day hour 00 31 Select meter reading time day and hour of every month Meter reading time Year month Day hour Minute second 00 99 Set time 4 3 2 System setting To change password to 112...

Page 37: ...33 4 3 3 Signal input setting To set signal as 10kV 100V and 2000A 5A set frequency to be 60Hz the operation process is as follows...

Page 38: ...34 4 3 4 Communication setting To change communication address to 12 to set baud rate as 9600bps to select data format as E81 the operation process is as follows...

Page 39: ...35 4 3 5 Relay output setting To set line voltage high alarm output when line voltage 110V first relay output acts that is first relay closes the operation instruction is as follows...

Page 40: ...gy pulse of open circuit optocoupler the energy accumulation metering can be realzied by collecting energy pulse from the meter from the remote computer terminal PLC and DI switch collection module Th...

Page 41: ...for digital inputs a Status monitoring meter receives the status of terminal contact point and shows it on front panel The changing of status will be shown immediately b Spare energy terminal status...

Page 42: ...high alarm Q L xxxx var Total reactive power low alarm S H xxxx VA Total apparent power high alarm S L xxxx VA Total apparent power low alarm PF H x xxx Total power factor high alarm PF L x xxx Total...

Page 43: ...Notes 1 High low alarm Low alarm means when the measured value of low alarm item is lower than alarm threshold value the relay activates high alarm means that when the measured value is higher than t...

Page 44: ...meter such as subordinate machine address baud rate and check mode corresponds to the requirements of host computer If several meters on spot do not send data back please check whether the communicat...

Page 45: ...lines or wrong phase sequence connection What s more electric quantity displayed on the meter is the value of primary grid it may lead to wrong electric quantity display if the ratio of voltage and c...

Page 46: ...ontact with our technical service department 7 5 The meter does not respond to any operation If the meter gives no response after pressing the keys on the panel electrify it again after cutting off th...

Page 47: ...43...

Page 48: ...ent is subject to change without further notice Energy Power Save CO LTD Add 442 2 Chan Road Thungwatdon Sathon Bangkok Thailand 10120 Tel 66 02 114 7145 9Auto 5Line Mobile 66 096 4501250 Email info 7...

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