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3. Electrical Connection

3.1 General information

Note both the polarity and operating voltage.

Warning!
Do not install, wire up or dismantle the instrument when the power supply is switched
on.

3.2 Connecting the Magphant

Wiring and cable specifications

Wire cross-section

: max. 1.5 mm

2

Cable diameter

: 7...12 mm

Cable gland

: PG 16

Shielded cable should always be used.

Fuse 160 mA slow-blow

Current output 4...20 mA
Load R

L

= 750

Ω

max.

Relay output

75 V DC / 0.5 A
60 V AC / 0.4 A

Power supply 20...30 V DC

Terminal block

b

a025

y

0

2

Signal cable

Power supply cable

Ground terminals
for cable shields

Fig. 12:
Electrical connection

Magphant

3. Electrical Connection

Hauser

13

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Содержание magphant

Страница 1: ...97 No 50078353 valid for software version V1 00 XX magphant Electromagnetic Flow Monitor Operating Manual AUTHORIZED DISTRIBUTOR InstrumentsAndControl com Houston Texas USA sales InstrumentsAndControl com 832 615 3588 ...

Страница 2: ...luding those used for cleaning E H will be pleased to supply infor mation concerning the chemical resistance properties of wetted parts Ensure that the measuring system is correctly wired up according to the wiring diagrams The flowmeter is to be grounded Repairs Dangerous Chemicals The following procedures must be carried out before a Magphant is sent to Endress Hauser for repair A note must alwa...

Страница 3: ...ing in steel piping 9 2 5 Mounting in plastic piping 10 3 Electrical Connection 13 3 1 General information 13 3 2 Connecting the Magphant 13 3 3 Commissioning 14 4 Operation 15 4 1 Operating and display surfaces 15 5 Troubleshooting and Remedies 17 5 1 Response of the measuring system to faults 17 5 2 Checking the electronics 17 5 3 Replacing the electronics module 18 6 Technical Data 19 6 1 Dimen...

Страница 4: ...Magphant 4 Endress Hauser ...

Страница 5: ...ys law of magnetic induction a voltage is induced in a con ductor that is moved through a magnetic field In the electromagnetic principle of measurement the flowing fluid represents the moving conductor The induced voltage is proportional to the flow velocity and is fed to the measuring amplifier by a pair of electrodes Microprocessor controlled electronics with a stable zero point convert the vol...

Страница 6: ...etic interference EMI immunity re quirements EN 50081 Part 1 and 2 EN 50082 Part 1 and 2 Protection type IP 66 is standard DIN 40050 Housing cover can be unscrewed After opening the cover operating and dis play elements as well as the terminal block are easily accessible Electronics housing Ground terminal PVC cable gland PG 16 Sensor sleeve Union nut M30x2 with clamp ring Weld stub DN 25 Weld stu...

Страница 7: ...ecting must have an outer diameter of 7 12 mm The cable glands must be firmly tightened The cable must loop down before entering the cable gland to ensure that no mois ture can enter it An unused cable gland is to be replaced with a blind plug The protective bush should not be removed from the cable gland 2 2 Temperature ranges Caution The maximum approved ambient and fluid temperatures must be ob...

Страница 8: ...axis The sensor is to be mounted so that the electrode axis is always 90 to the direction of flow The two PG 16 cable glands can be used as a visual check as these also lie on the same axis 45 Preferred mounting orientation Non recommended mounting orientation Possible air bubbles Possible build up of solids ba025y05 Recommended inlet and outlet pipe sections 5 10 x DN Fig 4 Mounting orientation i...

Страница 9: ...Weld stub for DN 40 For DN 40 piping the weld stub has a graduated scale to ensure that the stub can be correctly positioned for mounting Opening in the piping 30 mm Insert the weld stub into the opening with the marking according to the nominal diameter flush against the outer wall of the piping and weld it at right angles to the axis of the piping For diameters DN 300 the DN 300 marking is to be...

Страница 10: ...ut Mounting of the adapter piece for plastic piping 1 Place the plastic union nut over the adapter piece 2 Carefully insert the Magphant into the adapter piece and hand tighten the metal union nut 3 Hold the weld stub with a open ended wrench size 25 mm Tighten the union nut a further approx 1 2 turn with a open ended wrench size 36 mm Caution When inserting the Magphant into a adapter piece care ...

Страница 11: ...e 10 insert it into the plastic T section and screw on the plastic union nut tightly by hand Caution Observe the electrode axis orientation see page 8 Use only the Magphant version for mounting in plastic piping different insertion depths ba025y19 Metal union nut Plastic union nut Adapter piece T fitting Abb 10 Mounting procedure for diameters DN 15 50 in plastic DN H 15 236 20 25 30 40 50 Magphan...

Страница 12: ...nsertion depth of the plastic weld nipple E can be obtained from the table below Caution Observe the electrode axis orientation see page 8 Use only the Magphant version for mounting in plastic piping different insertion depths Detail A Detail A two O rings ba025y23 Hole in pipe 40 mm Weld the weld stub perpendicular to the pipe Abb 11 Mounting in plastic piping for diameters DN 65 ba025y21 Pipe ou...

Страница 13: ... cable specifications Wire cross section max 1 5 mm2 Cable diameter 7 12 mm Cable gland PG 16 Shielded cable should always be used Fuse 160 mA slow blow Current output 4 20 mA Load RL 750 Ω max Relay output 75 V DC 0 5 A 60 V AC 0 4 A Power supply 20 30 V DC Terminal block ba025y02 Signal cable Power supply cable Ground terminals for cable shields Fig 12 Electrical connection Magphant 3 Electrical...

Страница 14: ...e Page 17 2 Set the miniature switches 2 to 4 for time constant relay latch time relay function min max fail safe as appropriate 3 After switching on the power supply the outputs are deactivated for 5s relay de energised and current output remains at 0 mA Both LEDs flash during this proce dure 4 Set the full scale value This can be done in two ways Full scale value with actual flow local calibrati...

Страница 15: ...o the current output time constant and also to the relay latch time t 3 s The relay switches immediately and then remains in this state for 3 seconds t 10 s The relay first switches when the measured value is below or above the limit value for a continuous 10 seconds Relay functions The relay is energised if all functions are operating correctly The relay is de energised immediately when an error ...

Страница 16: ...s infinitely variable using this potentiometer between 1 5 m s Turning the potentiometer The transition from a green LED which is off to a lighted LED shows agreement between the momentary flow velocity and the set full scale value at which the current output will be set to 20 mA Green LED Lit When the actual flow rate is smaller than the set full scale value i e I 20 mA Setting the limit value A ...

Страница 17: ...t can be set to a test mode using miniature switch No 1 1 Set test mode switch to test 2 Turn the full scale potentiometer anticlockwise until it comes to the mechanical stop the current output must now be exactly 20 mA 3 If this is not the case then the electronics module must be replaced Type of error Relay when set in limit error position Red LED Current output System errors Amplifier error EEP...

Страница 18: ... cable socket 6 Carefully remove the board support plate from the housing 7 Remove the excitation current cable plug from the power supply board 8 Remove the electrode signal cable plug from the amplifier board 9 Remove the old electronics module 10 Replace with a new electronics module and reassemble in reverse order Remove excitation current cable plug Unplug the electrode signal cable plug Care...

Страница 19: ...ions of the weld stub see Page 9 ba025y01 Nominal diameter H for mounting in steel piping H for mounting in plastic piping 25 40 50 80 100 150 200 250 300 237 0 234 0 234 0 230 0 227 0 220 5 214 5 207 5 201 5 see page 11 und 12 Fig 16 Dimensions and weight Magphant 6 Technical Data Endress Hauser 19 ...

Страница 20: ... 20 120 C weld stub 1 4435 with clamp ring 20 100 C weld stub St 37 with clamp ring and NBR gasket Pressure 16 bar at 25 C 10 bar at 120 C Full scale value 1 5 m s infinitely variable Accuracy 2 o r at measuring electrode with local calibration at flow velocities 1 m s Reproducibility 2 o r Conductivity 20 µS cm Interference immunity acc to CE EN 50081 1 2 and EN 50082 1 2 Protection type IP 66 NE...

Страница 21: ...2 Viton O rings for plastic piping Plastic union nut PVC for plastic piping Approvals CENELEC VDE 0165 manufacturers certificate for Zone 2 SEV Ex nV W IIC T4 T6 Zone 2 FM NI Cl I Div 2 Gp ABCD DIP II III 1 EFG NEMA 4X CSA Class I Div 2 Groups A B C and D Class II E F and G Class III Type 4X Thermal data and temperature classes for Ex Zone 2 IEC 758 Tfluid Tambient see Page 20 T1 T2 T3 T4 T5 T6 10...

Страница 22: ...sign 6 Mounting 7 8 9 10 11 12 Mounting instructions 8 O Operating and display elements 15 Operation 15 16 Operational safety 6 Orientation 8 Outlet sections 8 P Position of the electrode axis 8 Potential equalization 14 Power consumption 20 Power supply 6 20 Pressure 20 Process errors 17 Process temperature 20 Protection measures 2 Protection type 6 7 20 R Regulations 2 Relay functions 15 Relay l...

Страница 23: ......

Страница 24: ...6993 Fax 042 50981 Brazil Samson Endress Hauser Ltda Sao Paulo Tel 011 50313455 Fax 011 50313067 Canada Endress Hauser Ltd Burlington Ontario Tel 905 6819292 Fax 905 6819444 Chile Endress Hauser Chile Ltd Santiago Tel 02 3213009 Fax 02 3213025 Colombia Colsein Ltda Bogota D C Tel 01 2367659 Fax 01 6104186 Costa Rica EURO TEC S A San Jose Tel 02 961542 Fax 02 961542 Ecuador Insetec Cia Ltda Quito T...

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