Qna-412 table of contents page no – CIRCUTOR QNA-P Series User Manual
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QNA-412 TABLE OF CONTENTS
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1.- BASIC INSTRUCTIONS. ................................................................................................ 2
1.1.- Checks on receipt................................................................................................... 2
1.2.- QNA-412 models.................................................................................................... 2
1.3.- Safety advice.......................................................................................................... 3
1.4.- Operating instructions............................................................................................. 3
2.- GENERAL FEATURES. ................................................................................................. 3
2.1.- Basic features......................................................................................................... 4
2.2.- Electrical characteristics. ........................................................................................ 5
3.- ANALYSIS MODES........................................................................................................ 6
4.- RECORDING IN THE MEMORY (automatically) ............................................................ 6
5.- INSTALLATION AND START-UP................................................................................... 7
5.1.- Terminal ratio. ........................................................................................................ 8
5.1.1.- Communications cables for RJ connectors..................................................... 9
5.2.- QNA-412 analyzer start up. ...................................................................................10
5.3.- Connection diagram for the QNA-412....................................................................11
5.3.1.- 4 wire three phase systems...........................................................................11
5.3.1.1.- Direct voltage + three clamps...............................................................11
5.3.1.2.- Three voltage transformers and three clamps ......................................12
5.3.2.- 3 wire three phase systems...........................................................................13
5.3.2.1.- Direct voltage and three clamps ...........................................................13
5.3.2.2.- Direct voltage and two clamps (ARON) ................................................14
5.3.2.3.- 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.- Display screens. ....................................................................................................18
8.- SETTING THE QNA-412. ..............................................................................................19
8.1.- Programming Set-up for the QNA-412...................................................................19
8.1.1.- Voltage transformation ratio. .........................................................................19
8.1.2.- Features of the system..................................................................................20
8.1.3.- Quality Parameters........................................................................................20
8.1.4.- Information to be taken into account in the recording of the periodic values. .22
8.2.- Variables to Record. ..............................................................................................22
8.2.1.- Standard File (STD). .....................................................................................23
8.2.2.- EVENTS file (EVQ). ......................................................................................24
8.2.3.- Incidents File (EVE).......................................................................................25
9.- TECHNICAL FEATURES. .............................................................................................26
10.- SAFETY ADVICE. .........................................................................................................28
11.- MAINTENANCE. ...........................................................................................................28
12.- TECHNICAL SERVICE..................................................................................................28
A. Appendix: Communications with QNA-412 connected to an External modem. ..............29
B. Appendix: Communications with QNA-412 (RS485). .....................................................31
C. Appendix: Communications via TCP-IP converter. ........................................................32
D. Appendix : Installing and starting up the QNA-GSM. .....................................................33
E. Appendix: The QNA's measurement method. ................................................................35