BEKA BR323AL Instruction Manual Download | Manualshive

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Issue: 3

1

st

July 2008

BR323AL and BR323SS

Flameproof

Loop powered

field mounting

indicators

Issue 3

1
2
3
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Summary of Contents for BR323AL

Page 1: ...Issue 3 1 st July 2008 BR323AL and BR323SS Flameproof Loop powered field mounting indicators Issue 3 ...

Page 2: ...bration screen 6 4 Linear calibration 6 5 Non linear calibration 6 6 Square root extraction 7 Maintenance 7 1 Fault finding during commissioning 7 2 Fault finding after commissioning 7 3 Servicing 7 4 Routine maintenance 7 5 Guarantee 7 6 Customer comments 8 Accessories 8 1 Pipe mounting kit 8 2 Tag strip 8 3 Tag plate Appendix 1 FM Approval for use in the USA Appendix 2 CSA Approval for use in Ca...

Page 3: ...lectronic assembly which is common to both the BR323AL and the BR323SS Both instruments have been certified flameproof and comply with the European ATEX Directive 94 9 EC They also have Factory Mutual explosion proof and dust ignition proof approval For use in Canada the BR323SS which is housed in a stainless steel enclosure has CSA explosion proof component approval Note The BR323AL which has an ...

Page 4: ...ification of T1 450 o C T2 300 o C T3 200 o C T4 135 o C T5 100 o C T6 85 o C At ambient temperatures between 20 and 60 o C This allows both models to be installed in most hazardous areas and to be used with most common industrial gases This manual describes installations in flammable gas atmospheres which conform with EN60079 Part14 Electrical Installation in Hazardous Areas When designing system...

Page 5: ...um enclosure BR323SS which has a stainless steel enclosure Fig 3 Certification Information Labels 4 SYSTEM DESIGN FOR USE IN HAZARDOUS AREAS BR323AL and BR323SS indicators may be connected in series with any 4 20mA current loop having a maximum supply voltage of 30V dc and a maximum current of less than 110mA It is only necessary to ensure that the loop can support the additional 2 3V drop introdu...

Page 6: ...ots The flameproof enclosure should be earthed as specified by the local code of practice d Fit the required flameproof certified glands or blanking plugs with the correct thread into the two entries in the enclosure Instruments can have M20 x 1 5 threads M suffix on producr number or inch NPT entries N suffix on product number The instrument enclosure thread is shown on the instrument certificati...

Page 7: ... indicator to a PC Connect the supplied interconnecting cable between the programming plug on the front of the BR323 indicator and the COM port on the personal computer as shown in Fig 6 The BR323AL or BR323SS indicator must be connected to an adjustable 4 20mA signal during conditioning and calibration this may be a 4 20mA calibrator or the indicator may remain in the measurement loop The supplie...

Page 8: ...e indicator after the decimal point None One Two or Three digits may be selected alternatively selecting Auto instructs the indicator to display the maximum number of digits possible after the decimal point which will vary as the indicator display changes Note Display Resolution does not affect the Configuration Programme Screen that always shows a fixed number of digits after the decimal point 6 ...

Page 9: ...323 should have the required display The calibration information may be stored or printed from the PC in the normal way 6 5 Non linear calibration The BEKA configuration software enables non linear functions to be downloaded to a BR323 indicator Any curve that continuously increases or decreases with between 2 and 128 breakpoints may be used 6 6 Square root extraction Probably the most common non ...

Page 10: ...ws that the BR323 indicator is connected to the personal computer then click the download arrow on the toolbar After downloading is complete the left hand side of the Configuration Programme Screen should show the new calibration information and the BR323 should have the required display The calibration information may be stored or printed from the PC in the normal way 6 7 Other non linear curves ...

Page 11: ...intenance should only be performed in a potentially hazardous area when an explosive atmosphere is not present If a BR323AL or BR323SS fails after it has been functioning correctly the following procedure should be followed Symptom Cause Solution No display No power Check that a and no volts supply current is flowing in between ve the loop ve terminals Unstable 4 20mA input Check loop supply displ...

Page 12: ...3SS indicators to be mounted onto any pipe with an outside diameter up to 50mm 8 2 Tag strip The BR323AL and BR323SS can be supplied with tag or applicational information thermally printed onto a polyester strip secured to the instrument mounting bracket The following can be accommodated 1 row of 36 alphanumeric characters 1 8mm high and 1 row of 18 alphanumeric characters 2 6mm high 8 3 Tag plate...

Page 13: ...66 Dust Ignitionproof T6 40 o C to 60 o C Divisions 1 or 2 Class II or III Gas groups E F G NEMA Type 4X IP66 APPENDIX 2 CSA approval for use in Canada CAUTION The CSA Approval only applies to the BR323SS stainless steel enclosure the BR323AL aluminium enclosure is not CSA Approved A2 1 CSA Approval For installations in the Canada the BR323SS enclosure has explosion proof CSA component Approval Co...

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