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Vega VEGACAP 35, Руководство по эксплуатации

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7 Diagnostics and servicing

VEGACAP 35 • Relay (DPDT)

33759-EN-230510

7.  Open the tensile ring on the old electronics module and pull out 

the old electronics module.

8.  Compare the new electronics module with the old one. The type 

label of the electronics module must correspond to that of the old 

electronics module.

9.  Insert the new electronics module.
10.  Screw in and tighten the two screws with a Torx screwdriver.
11.  Lead the connection cable through the cable gland.
12.  Insert the wire ends into the open terminals according to the wir-

ing plan and tighten them.

13.  Check the hold of the wires in the terminals by lightly pulling on 

them.

14.  Tighten cable gland and check on tightness. The seal ring must 

completely encircle the cable.

15.  Carry out a fresh adjustment. See chapter " 

Set up, new adjust-

ment

". 

16.  Screw the housing lid back on

The electronics exchange is now finished.

7.4  Shortening of the probe

The cable of the probe can be shortened individually.

Содержание VEGACAP 35

Страница 1: ...Operating Instructions Capacitive cable electrode for level detection VEGACAP 35 Relay DPDT Document ID 33759...

Страница 2: ...Adjustment 7 3 4 Packaging transport and storage 8 4 Mounting 9 4 1 General instructions 9 4 2 Mounting instructions 10 5 Connecting to power supply 14 5 1 Preparing the connection 14 5 2 Wiring plan...

Страница 3: ...s to the Docu ment ID By entering the Document ID on www vega com you will reach the document download Information note tip This symbol indicates helpful additional infor mation and tips for successfu...

Страница 4: ...ect mounting or adjustment Damage to property and persons or environmental contamination can result Also the protective characteristics of the instrument can be impaired 2 4 General safety instruction...

Страница 5: ...ly with the relevant requirements of the Canadian Electrical Code CEC Par I Canada 2 7 Safety instructions for Ex areas For applications in explosion proof areas Ex only devices with cor responding Ex...

Страница 6: ...eatures are also described in this operating instructions manual The respective scope of delivery results from the order specification The VEGACAP 35 consists of the components Process fitting with pr...

Страница 7: ...trode surfaces 2 Size of the electrode surfaces 3 Type of dielectric between the electrodes The probe and the vessel wall are the capacitor plates The measured product is the dielectric Due to the hig...

Страница 8: ...eration of the notes on the transport packaging Nonobservance of these instructions can cause damage to the device The delivery must be checked for completeness and possible transit damage immediately...

Страница 9: ...tically The instrument must be mounted in such a way that the probe is at the height of the requested switching point Before beginning the welding work remove the electronics module from the sensor By...

Страница 10: ...y The free openings for the cable glands are therefore covered with red dust protection caps as transport protection Prior to setup you have to replace these protective caps with ap proved cable gland...

Страница 11: ...can form which change the switching point Please keep this in mind when installing the sensor in the vessel We recommend selecting an installation location where the probe detects the average value o...

Страница 12: ...Mounting VEGACAP 35 Relay DPDT 33759 EN 230510 d d d 6 d 6 Fig 5 Filling and emptying centred d d 6 1 2 3 Fig 6 Filling in the centre emptying laterally 1 VEGACAP 35 2 Discharge opening 3 Filling ope...

Страница 13: ...e sure that the max permissible tensile load of the suspension cable is not exceeded The danger of this happening exists particu larly with very heavy solids and large meas lengths The max permis sibl...

Страница 14: ...three wire cable without shielding If electromagnetic interference is expected which is above the test values of EN 61326 for industrial areas shielded cable should be used Make sure that the cable us...

Страница 15: ...old plating on the relay contact surface will be permanently damaged The contact is then no longer suitable for switching low voltage circuits Inductive loads also result from the connection to a PLC...

Страница 16: ...output will change if you set the mode switch 5 afterwards This could possibly trigger other con nected instruments or devices 6 2 Adjustment elements 3 4 5 6 1 2 Fig 8 Electronics module with relay...

Страница 17: ...setting the electronics module is adjusted to the basic capacitance of the probe The relay output switches when the cover ing is in the range of the active probe tip gravity weight Changing dielectric...

Страница 18: ...llowing table 6 The probe is now ready for operation Sensitivity Standard very sensitive additional turns Dielectric constant 1 5 2 5 turns Tab 1 Number of additional turns for the potentiometer 6 Not...

Страница 19: ...759 EN 230510 Level Switching status Control lamp Mode B Dry run protection 5 3 4 8 6 7 Relay energized Mode B Dry run protection 5 3 4 8 6 7 Relay deener gized Failure of the sup ply voltage mode A B...

Страница 20: ...or Process Voltage supply Signal processing The first measure to take is to check the output signal In many cases the causes can be determined this way and the faults quickly rectified Depending on th...

Страница 21: ...odule Check the resistance between the marked plug connections See the follow ing instructions Electronics defective Press the mode switch A B If the instrument then changes the mode the instrument ma...

Страница 22: ...insulation A possible reason could be also a non insu lated electrode which is used in a conductive humid medium If the resistor is higher or if the connection is interrupted the reason is mostly a c...

Страница 23: ...exchange the electronics module by a similar replacement electronics if available If the fault is eliminated after inserting the new electronics module then you have to carry out a fresh adjustment w...

Страница 24: ...two screws with a Torx screwdriver 11 Lead the connection cable through the cable gland 12 Insert the wire ends into the open terminals according to the wir ing plan and tighten them 13 Check the hol...

Страница 25: ...Locking sleeve 5 Threaded pins 6 Insulating sleeve 7 Lower part of the weight 8 Threaded pin 1 Unscrew pin 8 2 Unscrew the lower part of the weight 7 3 Shift the upper part of the weight 1 the four O...

Страница 26: ...the isolating sleeve 6 onto the locking sleeve 4 13 Shift the lower part of the weight 7 to the upper part of the weight 1 and screw them together 14 Lock the upper part of the weight 1 with pin 8 15...

Страница 27: ...o voltage sup ply and carry out the listed steps in reverse order 8 2 Disposal Pass the instrument on to a specialised recycling company and do not use the municipal collecting points Remove any batte...

Страница 28: ...able gland NBR Blind plug cable gland PA Process fittings Pipe thread cylindrical DIN 3852 A G1 Pipe thread conical ASME B1 20 1 1 NPT Weight Instrument weight depending on process fitting 0 8 4 kg 0...

Страница 29: ...The contact is then no longer suitable for switching low level signal circuits Potential separation 500 V DC Contact material relay contacts AgNi Au plated or AgSnO Au plated Modes switchable A overf...

Страница 30: ...ure 2 Process temperature 16 bar 232psi 10 C 4 F 80 C 176 F 60 C 140 F 0 C 32 F 2 1 Fig 12 Process pressure Process temperature VEGACAP 35 with process fitting of 316L 1 Process pressure 2 Process tem...

Страница 31: ...ambient temperature can be max 50 C 122 F Power consumption 1 9 VA AC approximately 1 5 W DC Electrical protective measures Protection rating IP66 IP67 NEMA Type 4X Altitude above sea level up to 500...

Страница 32: ...00 mm 7 7 8 90 mm 3 35 64 20 mm 25 32 21 mm 53 64 28 mm 1 7 64 40 mm 1 37 64 13 5 mm 17 32 6 mm 15 64 SW 60 2 23 64 G1 1 NPT L 85 mm 3 11 32 76 mm 2 63 64 Fig 14 VEGACAP 35 cable version with 6 mm thr...

Страница 33: ...nter www vega com Les lignes de produits VEGA sont globalement prot g es par des droits de propri t intellec tuelle Pour plus d informations on pourra se r f rer au site www vega com VEGA lineas de pr...

Страница 34: ...34 Notes VEGACAP 35 Relay DPDT 33759 EN 230510...

Страница 35: ...35 Notes VEGACAP 35 Relay DPDT 33759 EN 230510...

Страница 36: ...ing scope of delivery application practical use and operat ing conditions of the sensors and processing systems correspond to the information available at the time of printing Subject to change withou...

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