BEKA BA334D Manual

Intrinsically safe externally powered pulse input field mounting rate totaliser

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BA334D
Intrinsically safe
Externally powered
pulse input
field mounting
rate totaliser
Issue 13
Issue:
13
rd
3
February 2011

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Summary of Contents for BEKA BA334D

  • Page 1 BA334D Intrinsically safe Externally powered pulse input field mounting rate totaliser Issue 13 Issue: February 2011...
  • Page 2: Table Of Contents

    Appendix 1 6.8 Rate scale factor ATEX dust certification 6.9 Timebase Appendix 2 FM Approval for use in the USA The BA334D is CE marked to show compliance with the European Explosive Atmospheres Directive 94/9/EC and the European EMC Directive 89/336/EEC...
  • Page 3: Description

    The BA334D has two sets of input terminals for option on the outside of the instrument cover. connection to high or low level voltage pulses, In the display mode i.e.
  • Page 4: Displays

    Down Resets the total display to zero 3. INTRINSIC SAFETY CERTIFICATION when these two push-buttons are operated simultaneously for two 3.1 ATEX certificate seconds. The BA334D has been issued with an EC-Type Selectable function from Examination Certificate Notified Body programme menu.
  • Page 5: Pulse Input Terminals

    Examination with the requirements for simple apparatus. Certificate specifies that under fault conditions Providing the switch and the BA334D are both the voltage, current and power at terminals 3 & located in the same hazardous area, the switch 4 will not exceed those specified for simple may be connected directly to terminals 5 &...
  • Page 6: Remote Reset Terminals

    3.4 Remote reset terminals 3.5 Zones, gas groups and T rating The BA334D total display may be reset to zero The BA334D has been issued with an EC Type by connecting the reset terminals 7 and 8 Examination certificate confirming that together for more than one second.
  • Page 7: System Design For Hazardous Area

    However they do not provide 4.2.1 Power supply isolation and require a high integrity earth A BA334D is powered from the safe area via a connection that may be expensive to install. positive polarity 28V 300Ω Zener barrier which...
  • Page 8: Switch Contact Input

    500V ac insulation test to earth. No Zener barrier is required. 4.2.5 Voltage pulse input The BA334D may be reset to zero from the Voltage pulse sources should be connected to safe area. Any switch may be used but a terminals 3 and 4.
  • Page 9: Use With Galvanic Isolators

    Fig 4 BA334D used with galvanic isolators 4.3.2 Pulse input Fig 4 illustrates the basic circuit that is used for As shown in Fig 4 the BA334D will count all BA334D installations protected by galvanic pulses from a wide variety of sources.
  • Page 10: Switch Contact Input

    No galvanic isolator is required. minute. This includes most magnetically activated reed relays used in The BA334D may be reset to zero from the turbine flowmeters. The BA334D contains safe area. Any switch may be used but a filtering to prevent contact bounce being...
  • Page 11: Installation

    5. INSTALLATION 5.1 Location The BA334D rate totaliser is housed in a robust IP66 glass reinforced polyester (GRP) enclosure incorporating an armoured glass window and stainless steel fittings. It is suitable for exterior mounting in most industrial environments, including off-shore and waste water treatment.
  • Page 12 Fig 7 Dimensions and terminal connections...
  • Page 13: Programming And Calibration

    6.3 is read before attempting programming recalibration. When the BA334D is fitted with alarms, pulse Fig 8 Calibration structure output or 4/20mA output, the basic menu is expanded to include the option(s). Section 9 of this manual explains how to programme 6.2 Accessing programming functions...
  • Page 15 All new BA334D rate totalisers are supplied Display Description of function calibrated as requested at the time of ordering. If calibration information is not supplied, the 'SCALE-r' Rate Scale Factor instrument will be conditioned for an open Defines the arithmetic relationship...
  • Page 16 Operating the P push-button will toggle control 6.5 Type of input: ‘InPut’ between the two displays. When both decimal The BA334D may be programmed to accept points have been correctly positioned press E pulse inputs from a wide variety of sensors.
  • Page 17 / hour Select the required multiplier and press E to 6.7 Lower display: ‘dISPLAY.2’ return to the main menu. This function turns the lower display on or off. When turned off, the BA334D will only have eight digit display which 6.10 Rate filter: ‘FILtEr’...
  • Page 18 If the flowmeter has a K factor of 45.6 timebase t-bASE, or the position of the rate pulses per litre and the BA334D total display is display decimal point are changed, clip-off will required in units of 1,000 gallons, then automatically be reset to zero.
  • Page 19 6.14 Resetting grand total: ‘CLr. Gtot’ instrument is fitted with external push-buttons The grand total is a separate sixteen digit connecting ribbon cable should counter which duplicates the total display but is unplugged from the outer row of the five pin not zeroed when the total display is reset to connector.
  • Page 20 5 to 60 litres per minute. connected to terminals 3 & 4. The BA334D is required to display rate of flow in litres per hour with a resolution of one litre Step 4 Position rate &...
  • Page 21 ‘On’ and ‘OFF’. Select There are 1000 litres in a cubic ‘On’ and press E to return to the metre so the BA334D is required to ‘LOCrSEt’ prompt in the main display 1 cubic metre for every menu. 1,050 x 1,000 pulses received.
  • Page 22 Step 13 Return to the display mode Following completion programming and calibration, return the BA334D to the operating mode pressing programming functions will now be stored in permanent memory and will be protected by the security...
  • Page 23 Terminals 2, 4, 28V on terminals 6 & 8 are 1 & 2 with terminal If a BA334D fails after it has been functioning interconnected 1 positive. correctly, the following table may help to within the BA334D identify the cause of the failure.
  • Page 24 A3 should be connected to the positive side of which is available from BEKA associates. the supply. The BA334D can also be supplied with a blank 5Ω + 0.6V or custom engraved stainless steel plate Roff...
  • Page 25 'dELA' Alarm delay time 9.2.3 Programming and adjustment Adjusts the delay between the When a BA334D is supplied with alarms the display equalling the setpoint and main programme menu is extended as shown the alarm output being activated. in Fig 13.
  • Page 26 Fig 13 Alarm menu structure 9.2.4 Alarm enable: ‘EnbL’ 9.2.5 Type of alarm: ‘tYPE’ This function allows the alarm to be enabled or Alarm 1 and Alarm 2 may both be rate or total disabled without altering any of the alarm alarms, or one may be conditioned for rate and parameters.
  • Page 27 00000000 99999999. e.g. A BA334D calibrated to display a flow of 0 to 5000, with a high alarm set at 4000 and To adjust the setpoint of alarm 1 select 'SPr1' hysteresis of 100 will perform as follows: or ‘SPt1’, depending upon how it has been...
  • Page 28 9.2.12 Access Setpoint: ‘AcSP’ has been programmed. If the setpoints are This function activates a separate menu that protected by a security code, 'COde' will be provides direct access to the alarm setpoints displayed first. Pressing P again will enable when the instrument is in the display mode.
  • Page 29 Any certified Zener 9.4 Pulse output barrier may be used, providing the output The BA334D may be supplied with an opto- parameters do not exceed: isolated solid state pulse output. The output is a polarised current sink that closes for a...
  • Page 30 BA334D. Fig 16 shows how the pulse output circuit may be powered from the BA334D supply to drive a counter in the safe area via a diode return barrier.
  • Page 31 ‘d.P’ Note 2: If the BA334D and the 4/20mA current function. The value of the flashing digit may sink output are powered from separate...
  • Page 32 40 and 80mm. 9.8 Stem mounting kit The BA395 stem mounting kit comprises a short length of stainless steel conduit with a male M20 x 1.5 thread at both ends. Allows the BA334D to be mounted directly onto a flow transmitter.
  • Page 33 INDEX Subject Section Subject Section ‘InPut’ ‘AcSP’ 9.2.3; 9.2.12 Installation Alarms optional Instrument identification access 9.2.3; 9.2.12 Intrinsic safety output 9.2.3; 9.2.8 delay time 9.2.3; 9.2.10 ‘LOC.rSEt’ 6.13 enable 9.2.3; 9.2.4 Local reset 6.13 function 9.2.3; 9.2.7 Location hysteresis 9.2.3; 9.2.9 programming 9.2.3 Maintenance...
  • Page 34 Non European A1.1 Zones and Maximum Surface information may also be shown. Temperature The BA334D has been ATEX certified as Group II, Category 1 GD apparatus Tamb = -20 to 60 C, with a Maximum Surface Temperature of 80 C.
  • Page 35 Group A & B either authority. Group C Group D A2.1 Intrinsic safey approval The BA334D is approved to the FM Class 3610 Class II Group E, F & G intrinsic safety standard. Installations must comply with BEKA associates Control Drawing...
  • Page 36 Class II, Division 1, Groups E, F & G Class I, Zone 0, Group IIC Class III Class I, Zone 0, Group IIC BA334D SEE NOTE 1 BA334D & BA338C Entity Parameters SEE NOTES 8 & 10 Terminals 1 & 2 BA338C Ui = 30V...
  • Page 37 Class II, Division 1, Groups E, F & G Class I, Zone 0, Group IIC Class III Class I, Zone 0, Group IIC BA334D SEE NOTE 1 BA334D & BA338C SEE NOTE 8 Entity Parameters Terminals 1 & 2 BA338C Ui = 30V...
  • Page 38 Notes: 1. The associated intrinsically safe barriers or galvanic isolators must be FM approved and the manufacturers' installation drawings must be followed when installing this equipment. 2. The unclassified location equipment connected to the associated intrinsically safe barriers must not use or generate more than 250V rms or 250V dc. 3.
  • Page 39 MCR050 MCX050 In addition to the supplied bonding plate, when 2 or 3 metallic glands or conduit hubs are fitted to a BA334D, all metallic glands or conduit hubs must be connected together and grounded. CAUTION: The BA334D enclosure is manufactured from conductive plastic per Article 250 of the National Electrical Code the enclosures shall be grounded using the ‘E’...
  • Page 40 Class II, Division 2, Groups E, F & G Class I, Zone 2, Group IIC Class III Class I, Zone 2, Group IIC BA334D BA334D & BA338C SEE NOTES 5 & 7 Terminals 1 & 2 BA338C Vmax = 30V SEE NOTE 4 Ci = 0.02µF...
  • Page 41 Class II, Division 2, Groups E, F & G Class I, Zone 2, Group IIC Class III Class I, Zone 2, Group IIC BA334D BA334D & BA338C SEE NOTE 5 & 7 Terminals 1 & 2 BA338C Vmax = 30V SEE NOTE 4 Ci = 0.02µF...
  • Page 42 Notes: Nonincendive field wiring installations shall be in accordance with the National Electrical Code ANSI/NFPA 70. The Nonincendive Field Wiring concept allows interconnection of Nonincendive Field Wiring Apparatus with Associated Nonincendive Field Wiring Apparatus using any of the wiring methods permitted for unclassified locations.
  • Page 43 MCR050 MCX050 In addition to the supplied bonding plate, when 2 or 3 metallic glands or conduit hubs are fitted to a BA334D, all metallic glands or conduit hubs must be connected together and grounded. CAUTION: The BA334D enclosure is manufactured from conductive plastic per Article 250 of the National Electrical Code the enclosures shall be grounded using the ‘E’...

Table of Contents