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MIB

Installation Instructions and Reference Handbook

DEIF A/S

Page 18 of 50

3LL. 3-phase 3-line direct connection

In a 3-phase 3-line system, power lines L1, L2 and L3 are connected to V1,
V2 and V3 directly. Vn is floated. The voltage input mode should be set to
3LL.

2LL. 3-phase 3-line open delta

Open delta wiring mode is used in some applications.

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Содержание MIB 7000

Страница 1: ...4189320016B UK Installation Instructions and Reference Handbook Product information Installation instructions Basic operation DEIF A S Frisenborgvej 33 Tel 45 9614 9614 Fax 45 9614 9615 DK 7800 Skive...

Страница 2: ...ES 5 CE MARKING 5 DEFINITIONS 6 3 PRODUCT INFORMATION 7 DESCRIPTION OF FUNCTIONS 7 MEASURED AND CALCULATED VALUES 8 4 INSTALLATION INSTRUCTIONS 10 ELECTRICAL CONNECTION 12 AUXILIARY POWER SUPPLY 14 ME...

Страница 3: ...tion and setup of the instrument On the basis of this document the operator will be able to use the multi instrument for simple daily operation Contents overall structure This handbook is divided into...

Страница 4: ...d describe its functions Installation instructions Fourth chapter includes the information needed to perform correct installation of the instrument e g mounting instructions terminals wiring inputs pa...

Страница 5: ...ent must be contacted Electrostatic discharge awareness Sufficient care must be taken to protect the terminals against static discharges during the installation Once the unit is installed and connecte...

Страница 6: ...sure that these are noticed they will be highlighted in order to separate them from the general text Notes Warnings The warnings indicate a potentially dangerous situation which could result in death...

Страница 7: ...utral and with both balanced and unbalanced load The MIB can replace a large number of standard analogue instruments in all electrical measuring applications It contains all necessary measuring circui...

Страница 8: ...emand Demand of each phase current active power and reactive power Power factor PF Power factor of each phase and total power factor Frequency Actual frequency of L1 Digital outputs DO only MIB 7020 F...

Страница 9: ...ctions and Reference Handbook DEIF A S Page 9 of 50 Alarm Alarm can be related to any metering parameters see Digital output on page 39 Running hour Meters the duration of the operation Unbalance fact...

Страница 10: ...m correct installation of the unit e g mounting instructions terminals wiring setup etc Mounting Unit dimensions in mm Installation of the MIB will involve working with dangerous currents and voltages...

Страница 11: ...Use clips to fix the meter The unit is designed for flush mounting by means of 4 fixing clips which are included at delivery In order to facilitate mounting of the meter and wire arrangement we recomm...

Страница 12: ...ent phase 1 in 2 I12 Current phase 1 out 3 I21 Current phase 2 in 4 I22 Current phase 2 out 5 I31 Current phase 3 in 6 I32 Current phase 3 out 7 V1 Voltage phase 1 8 V2 Voltage phase 2 9 V3 Voltage ph...

Страница 13: ...3 of 50 Communication terminals MIB 7000C only MIB 7000C Terminal number Description 14 A Data 15 B Data 16 S Data GND Digital output terminals MIB 7020 only MIB 7020 Terminal number Description 14 DO...

Страница 14: ...power supply 100 415V AC 50 60Hz 100 300V DC The wire of the power supply could be AWG22 16 or 0 6 1 3mm 2 A fuse typically 1A 250V AC should be used in the auxiliary power supply loop For safety rea...

Страница 15: ...case be slightly reduced The voltage range of PT1 is 50 1 000 000V Voltage inputs 3LN 3 phase 4 line Y 2LN 3 phase 4 line Y with 2 voltage transformers 1LN 1 phase 2 line 3LL 3 phase 3 line direct con...

Страница 16: ...Page 16 of 50 Voltage input wiring 3LN 3 phase 4 line Y The 3 phase 4 line Wye mode is popularly used in low voltage electric distribution power systems The MIB can either be connected directly to th...

Страница 17: ...voltage transformers This mode is used in some high voltage 3 phase 4 line Wye systems It is supposed that the 3 phases of the power system are in balance The V2 voltage is calculated from the measure...

Страница 18: ...50 3LL 3 phase 3 line direct connection In a 3 phase 3 line system power lines L1 L2 and L3 are connected to V1 V2 and V3 directly Vn is floated The voltage input mode should be set to 3LL 2LL 3 phas...

Страница 19: ...ook DEIF A S Page 19 of 50 Current input wiring 3CT All the current inputs of the 3 phase system can be seen as 3CT one whether there are 2 CTs or 3CTs on the input side The current input mode of the...

Страница 20: ...alue is calculated from the formula I1 I2 I3 0 The current in an N wire cannot be calculated in this mode The current input mode of the MIB should be set to 2CT 1CT This connection with only one curre...

Страница 21: ...t used wiring method The voltage and current wiring methods are shown in one drawing The MIB meter will only give correct readings if the settings of the meter and the wiring are correct 3LN 3CT with...

Страница 22: ...MIB Installation Instructions and Reference Handbook DEIF A S Page 22 of 50 2LN 2CT Selected wire mode 2LN 2CT 2LN 1CT Selected wire mode 2LN 1CT...

Страница 23: ...MIB Installation Instructions and Reference Handbook DEIF A S Page 23 of 50 2LL 2CT Selected wire mode 2LL 3CT 2LL 2CT Selected wire mode 2LL 2CT...

Страница 24: ...MIB Installation Instructions and Reference Handbook DEIF A S Page 24 of 50 2LL 1CT Selected wire mode 2LL 1CT 1LN 1CT Selected wire mode 1LN 1CT...

Страница 25: ...as energy pulse output or limit alarming outputs Digital output NE normally energised NC normally closed circuit form is Photo MOS The simplified circuit is as shown below The contact is closed NC whe...

Страница 26: ...devices on the RS485 bus The maximum connection length is 1000m Conductors A and B should be terminated with a 120 terminating resistor at the end of the string The MIB 7000C operates as slave unit a...

Страница 27: ...igit to decrease the digit to accept changes and move to next screen simultaneously to exit the system mode Enter the correct access code default 0000 press V A to go to the first parameter setting sc...

Страница 28: ...be one of five modes 3LN normal 1LN 2LN 2LL and 3LL or to select from 3LN 2LN 1LN 2LL and 3LL to accept changes and move to next screen Example 3LN Screen no 2 Current input wiring Current input wiri...

Страница 29: ...mer CT1 value is an integer from 5 to 50000 Unit is Amp to move the cursor one digit at a time to increase the digit to decrease the digit to accept changes and move to next screen Example 5A Note The...

Страница 30: ...d Total sliding windows time of demand is from 1 30 minutes The window slides constantly once every minute to move the cursor one digit at a time to increase the digit to decrease the digit to accept...

Страница 31: ...energy data Screen no 13 Reset of running hours Yes reset running hours No do not reset running hours and to change between yes and no to accept changes and move to next screen Example Reset of runnin...

Страница 32: ...following screens show how to set up the DO Screen no 1 DO1 output mode 0 pulse output 1 alarm output to increase the digit to decrease the digit to accept changes and move to next screen Example DO1...

Страница 33: ...mple Pulse width 5 equal to 100ms 5 x 20ms Screen no 5 DO1 output energy parameter DO1 output can be one of the energy items shown below to increase the digit to decrease the digit to accept changes a...

Страница 34: ...accept changes and move to next screen Example DO 2 equal to 600ms 2x300ms Screen no 8 DO1 alarm output items DO1 alarm output can be one of the items shown below to move the cursor one digit at a tim...

Страница 35: ...2 alarm output items DO2 alarm output can be one of the items shown below to move the cursor one digit at a time to increase the digit to decrease the digit to accept changes and move to next screen E...

Страница 36: ...nd Reference Handbook DEIF A S Page 36 of 50 Screen no 13 DO2 alarm limit to move the cursor one digit at a time to increase the digit to decrease the digit to accept changes and move to screen no 1 E...

Страница 37: ...power The formula is as follows Apparent power S System total apparent power is measured and displayed Power factor PF Three phase power factor and system total power factor are measured and displaye...

Страница 38: ...er and reactive power of system demand of three phase current The demand statistics method in MIB is sliding windows The total sliding windows time can be chosen from 1 to 30 minutes Each window slide...

Страница 39: ...ple DO1 2 alarm output With the following settings a high limit alarm will be generated when I1 goes over 1A and the duration is over 15 seconds 1 Set the mode of DO1 as alarming output namely the val...

Страница 40: ...energy output Pulse width ranges from 1 to 50 integer with a unit of 20ms The narrowest interval between two pulses is 20ms In practice the pulse width and the pulse ratio are selected according to sy...

Страница 41: ...t is used for presentation of all measured values and for displaying of the selected function during the setup process There are four push buttons in the front panel used for navigation in the 3 modes...

Страница 42: ...MIB Installation Instructions and Reference Handbook DEIF A S Page 42 of 50 Statistic mode Press the and keys simultaneously...

Страница 43: ...e measured and calculated values of your power system Voltage and current data Press the V A key to read voltage and current data Screen no 1 Phase neutral voltage U1 Phase neutral voltage U2 Phase ne...

Страница 44: ...2LL no phase voltage and natural current screen is shown in the display Power related data Press the P key to read power related data Screen no 1 Phase power P1 Phase power P2 Phase power P3 Load natu...

Страница 45: ...or PF2 Phase power factor PF3 Load nature inductive P Screen no 5 System average power factor System frequency F P Screen no 6 Active power demand Dmd_P Reactive power Demand Dmd_Q Note When the volta...

Страница 46: ...6 of 50 Energy and running hour counters Press the E key to read energy run time data Screen no 1 Import energy counter Ep_imp E Screen no 2 Export energy counter Ep_exp E Screen no 5 Import reactive...

Страница 47: ...1 voltage wiring 2LN or 3LN THD of phase neutral voltage THD_U1 THD of phase neutral voltage THD_U2 THD of phase neutral voltage THD_U3 or Screen no 1 voltage wiring 2LL or 3LL THD of phase phase vol...

Страница 48: ...max Max value of phase neutral voltage U3_max V A Screen no 2 Min value of phase neutral voltage U1_min Min value of phase neutral voltage U2_min Min value of phase neutral voltage U3_min V A Screen n...

Страница 49: ...ax I2_Demand_Max I3_Demand_Max V A Displays the max demand of active reactive power demand P Screen no 1 Max demand Power and reactive power P_Demand_Max 1 435kW Q_Demand_Max 2 478kvar Displays the po...

Страница 50: ...2 nd Harmonic of U3 Load nature inductive Screen no 2 phase phase voltage selected 2 nd Harmonic of U12 2 nd Harmonic of U23 2 nd Harmonic of U31 Load nature inductive Press the H key in turn to displ...

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