Circutor QNA 412 Instruction Manual Download Page 12 | Manualshive

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Page no.

11

5.3.-

Connection diagram for the QNA-412.

5.3.1.-

4 wire three phase systems.

5.3.1.1.-

Direct v three clamps

(L1-L2-L3):

S1

S1

S1

S1

S2

S2

S2

S2

L1

L2

L3

N

R2

R1

1

2

4

3

11

6

5

7

8

9

21 22

24

34

23

33

30

26

31

25

35

27

32

28

29

Power supply AC.

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Summary of Contents for QNA 412

Page 1: ...ELECTRICAL SUPPLY QUALITY ANALYZER QNA 412 2V Code Q20510 Q20520 INSTRUCTION MANUAL M98155401 01 05A c CIRCUTOR S A...

Page 2: ...2 3 Two voltage transformers and three clamps 15 5 3 2 4 Two voltage transformers and two clamps ARON 16 6 THE QNA 412 ANALYZER BATTERY 17 7 OPERATION 17 7 1 Display and buttons 17 7 2 Start up 18 7 3...

Page 3: ...day Carefully read this manual before connecting the equipment to avoid incorrect use that may cause irrevocable damage 1 1 Checks on receipt On receipt of the equipment check the following a The equi...

Page 4: ...eces may access parts that are dangerous when touched The equipment must not be used until it is fully installed 2 GENERAL FEATURES The QNA 412 quality analyzer is specially designed equipment to cont...

Page 5: ...tage phases and checks whether any incident has occurred dip interruption overvoltage It also calculates harmonics and flicker according to the IEC 61000 4 7 and 61000 4 15 standards respectively Than...

Page 6: ...X X Overvoltage X X X Unbalance X Assymetry X All these parameters are measured and recorded when the installation is consuming or generating energy 2 2 Electrical characteristics Due to the fact tha...

Page 7: ...automatically record electrical parameters as well as any incident that may occur The storage memory for the QNA 412 has four independent blocks reserved for each type of file that it records The fol...

Page 8: ...used in a way not specified by the manufacturer the equipment s protection may be compromised Opening covers or removing parts with the equipment connected to the power supply may access parts which...

Page 9: ...IL1 S1 2 Measured current IL1 S2 3 Measured current IL2 S1 4 Measured current IL2 S2 5 Measured current IL3 S1 6 Measured current IL3 S2 7 Measured current Neutral S1 8 Measured current Neutral S2 9...

Page 10: ...he most usual connections for the QNA 412 communications cables RS 232 connection to a PC or to an external modem PC External Modem QNA 412 DB9 DB25 DB9 DB25 1 DSR 5 GND 7 GND 5 GND 7 GND 2 Rx 3 Tx 2...

Page 11: ...Operating conditions Operating temperature 0 to 50 C Operating humidity 25 to 75 RH 8 Safety Designed for category III installations according to EN 61010 Points to check during installation 8 Check t...

Page 12: ...diagram for the QNA 412 5 3 1 4 wire three phase systems 5 3 1 1 Direct voltage three clamps L1 L2 L3 S1 S1 S1 S1 S2 S2 S2 S2 L1 L2 L3 N R2 R1 1 2 4 3 11 6 5 7 8 9 21 22 24 34 23 33 30 26 31 25 35 27...

Page 13: ...Page no 12 5 3 1 2 Three voltage transformers and three clamps L1 L2 L3 L1 L2 L3 R2 R1 1 2 4 3 11 6 5 7 8 9 21 22 24 34 23 33 30 26 31 25 35 27 32 28 29 Power supply AC S1 S1 S1 S2 S2 S2...

Page 14: ...Page no 13 5 3 2 3 wire three phase systems 5 3 2 1 Direct voltage and three clamps L1 L2 L3 R2 R1 1 2 4 3 11 6 5 7 8 9 21 22 24 34 23 33 30 26 31 25 35 27 32 28 29 Power supply AC S1 S1 S1 S2 S2 S2...

Page 15: ...Page no 14 5 3 2 2 Direct voltage and two clamps ARON L1 L2 L3 R2 R1 1 2 4 3 11 6 5 7 8 9 21 22 24 34 23 33 30 26 31 25 35 27 32 28 29 Power supply AC S1 S1 S2 S2...

Page 16: ...Page no 15 5 3 2 3 Two voltage transformers and three clamps L1 L2 L3 R2 R1 1 2 4 3 11 6 5 7 8 9 21 22 24 34 23 33 30 26 31 25 35 27 32 28 29 Power supply AC S1 S1 S1 S2 S2 S2...

Page 17: ...Page no 16 5 3 2 4 Two voltage transformers and two clamps ARON L1 L2 L3 R2 R1 1 2 4 3 11 6 5 7 8 9 21 22 24 34 23 33 30 26 31 25 35 27 32 28 29 Power supply AC S1 S1 S2 S2...

Page 18: ...operation is extremely important because the equipment can continue recording and operating correctly in the event of multiple and lengthy interruptions The battery always recharges when the analyzer...

Page 19: ...three phases will be displayed Using the and different display screens can be browsed 7 3 Display screens The different display screens on the QNA 412 are Voltage measured in the system Current measu...

Page 20: ...cted to the QNA 8 SETTING THE QNA 412 The QNA 412 is always set via a PC The operation of the QNA 412 analyzer will depend on the setting of the equipment There are two types of Set up Programming Set...

Page 21: ...f circuit If measurement is being done via three current sockets the type of measurement circuit must be set as three phase The QNA has the option to measure current with the Aron system in installati...

Page 22: ...le EVQ will record each time this value is not exceeded showing the minimum voltage recorded average voltage voltage prior to the event and the time when this threshold was not exceeded Interruption H...

Page 23: ...l only be added to the average voltage Integrating blocks of 10 cycles with events voltage Affects the STD file only While the average voltage is being calculated it is possible that an event occurs o...

Page 24: ...ctive reactive energy X STD Capacitive reactive energy X STD Generation Active power X X X STD Inductive reactive power X X X STD Capacitive reactive power X X X STD Power factor X X X STD Active ener...

Page 25: ...mopolar and direct voltage Coefficient of unbalance ratio between inverse and direct voltage 8 2 2 EVENTS file EVQ The different events detected in the analysed electrical system are stored in this fi...

Page 26: ...was interrupted At this point power is supplied from the battery Setup Changed This records the time when any change was made to the equipment s Setup Memory Format The time when the user decided to s...

Page 27: ...le Automatic Accuracy Voltage 0 1 of nominal Class A according to IEC 61000 4 30 Current 0 1 of nominal Class A according to IEC 61000 4 30 Power 0 2 of nominal Unbalance 0 15 Class A as per IEC 1000...

Page 28: ...00 3 2 1995 Harmonics EN 61000 3 3 1995 Voltage fluctuations EN 50081 2 1993 Industrial emission EN 55011 1994 Conducted EN 55022 Class B EN 55011 1994 Radiated EN 55022 Class A ELECTROMAGNETIC IMMUNI...

Page 29: ...e open equipment is to be avoided If it cannot be avoided it must be undertaken by someone qualified and well informed of the necessary action Before any connection replacement maintenance or repair t...

Page 30: ...rterminal program on Windows or equivalent must be used The configuration for the modem is MODEM A PC AT F Default configuration AT D2 Activates the operations of the DTR Data Terminal Ready AT S0 Lea...

Page 31: ...yperterminal program or similar Verify the Modem connections Modem A is not calling Verify the telephone line and its connection Check that the modem is on Modem B is not responding Check that the com...

Page 32: ...de To connect in this way the cables that must be used are PC RS 232 RS 485 Converter RS 232 P C DB9 P C DB25 RS 232 485 DB9 Converter 3 Tx 2 Tx 2 Rx 2 Rx 3 Rx 3 TX 7 RTS 8 CTS 5 GND 5 GND 5 GND QNA 4...

Page 33: ...erter that allows any piece of equipment with RS 232 or RS 485 communication to be connected to a PC via an ETHERNET system To set the converter so that it converts the signal to RS 485 use the switch...

Page 34: ...first time and when changing the SIM card To do so it will be necessary to 1 Without introducing the SIM card 1 Start the QNA 2 Connect the QNA via the RS 232 series port using a communications cable...

Page 35: ...Disconnect the RS 232 cable from the equipment 16 Wait for indication from the PC software Approximately 60 secs 17 Reconnect the RS 232 communications cable to the QNA 18 Check that the PC software...

Page 36: ...RRUPTION UNBALANCE EVQ STORAGE CALCULATION UNBALANCE CALCULATION UNBALANCE 150 CYCLES UNBALANCE CALCULATION OVER 10 MINUTES AND STORAGE IN STD FILE HARMONICS AND THD d CALCULATION CnSH HARMONICS CALCU...

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