DS PC Series - Transducer Installation; Mod. PCS (S = Standard) Installation; Electrical Specifications; Power Supply

Series PC Manual V 1.0 - Rev. 3 – 03/01/01 DS Europe
3
SUMMARY
1. INTRODUCTION ...................................................................................................................................................5
1.1. RESPONSABILITY REGARDING USE .......................................................................................................5
1.2. INSTALLATION IN DANGEROUS ENVIRONMENTS..............................................................................5
1.3. QUALITY........................................................................................................................................................5
2. WORKING PRINCIPLE........................................................................................................................................6
2.1. NOT MEASURING DEAD LENGTH............................................................................................................6
3. MANUFACTURING MATERIALS......................................................................................................................6
3.1. TRANSDUCER MANUFACTURING MATERIALS ...................................................................................6
3.2. MANUFACTURING MATERIALS FOR PARTS NEAR TO THE TRANSDUCER...................................6
3.3. INSTALLATION IN CYLINDERS ................................................................................................................7
3.4. EXTERNAL INSTALLATION.......................................................................................................................8
4. MAGNETIC CURSORS.........................................................................................................................................8
4.1. DIFFERENT MODELS...................................................................................................................................8
4.2. POLARITY OF MAGNETIC FIELD..............................................................................................................8
4.3. HOW TO RECOGNISE POLARITY OF A MAGNET..................................................................................8
5. MAGNETIC CURSORS SUPPLIED BY DS EUROPE ......................................................................................9
5.1. WITH RADIAL MAGNETIC FIELD.............................................................................................................9
5.2. WITH AXIAL MAGNETIC FIELD................................................................................................................9
5.3. FREE FLOATING CURSOR..........................................................................................................................9
5.4. MAGNETS CHOSEN BY THE USER .........................................................................................................10
6. FLOATS .................................................................................................................................................................11
6.1. INSTALLATION ADVICES ........................................................................................................................11
6.2. BALLAST......................................................................................................................................................11
7. TRANSDUCER INSTALLATION......................................................................................................................11
7.1. MOD. PCS (S = STANDARD) .........................................................................................................................11
7.2. MOD. PCP (P = FLANGED WELL )..................................................................................................................12
7.3. MOD. PCR (WITH SLIDE) ...............................................................................................................................12
8. PRESSURE ACTION ON THE MEASURING PROBE...................................................................................12
9. ELECTRICAL SPECIFICATIONS....................................................................................................................12
9.1. POWER SUPPLY..........................................................................................................................................12
9.2. ABSORBED CURRENT...............................................................................................................................13
9.3. SAMPLING FREQUENCY ..........................................................................................................................13
9.4. RESOLUTION ..............................................................................................................................................14
9.5. NUMBER OF CURSORS .............................................................................................................................14
9.6. ANALOG OUTPUTS....................................................................................................................................15
9.7. RS-485 DIGITAL OUTPUT..........................................................................................................................16
9.8. CURSOR VELOCITY (FOR DISPLCEMENT MEASUREMENTS) .......................................................................16
10. ELECTRICAL CONNECTIONS ........................................................................................................................17
10.1. CABLE OUTPUT..........................................................................................................................................18
10.2. CONNECTOR OUTPUT ..............................................................................................................................18
10.3. POWER SUPPLY CONNECTION...............................................................................................................18
10.4. CONNECTION OF 0÷10 V ANALOG VOLTAGE OUTPUT ....................................................................19
10.5. CONNECTION OF TWO VOLTAGE ANALOG OUTPUTS: 0÷10V ........................................................20
10.6. CONNECTION OF 4-20MA CURRENT OUTPUT .....................................................................................21
10.6.1. CURRENT CONNECTION: 4÷20 mA WITH VOLTAGE READING: 1÷5 V.......................................21
10.6.2. CURRENT CONNECTION ..................................................................................................................21
10.7. SERIAL PORT CONNECTION....................................................................................................................22
10.7.1. TERMINATION RESISTANCE.............................................................................................................23
10.8. GROUNDING ...............................................................................................................................................23