BEKA BA337E-SS Manual
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BEKA BA337E-SS Manual

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BA337E-SS
Rugged one input
Intrinsically safe
pulse input
Rate Totaliser
Issue 6
Issue:
6
9
th
July 2019

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Summary of Contents for BEKA BA337E-SS

  • Page 1 BA337E-SS Rugged one input Intrinsically safe pulse input Rate Totaliser Issue 6 Issue: July 2019...

  • Page 2: Table Of Contents

    5. Installation 9.6 Customer comments 5.1 Location 5.2 Installation procedure 5.3 EMC 5.4 Rate Totaliser earthing 5.5 Scale Card The BA337E-SS is CE marked to show compliance with the European Explosive Atmospheres Directive 2014/34/EU and the European EMC Directive 2014/30/EU...
  • Page 3 CONTENTS CONTINUED 10. Accessories 10.1 Scale card 10.2 Tag information 10.3 Backlight 10.4 Alarms 10.4.1 Solid state output 10.4.2 Intrinsic safety 10.4.3 Summary of alarm configuration functions. 10.4.4 Alarm enable: enbl 10.4.5 Type of alarm: type 10.4.6 Setpoint adjustment: 5p1x and 5p2x 10.4.7 Alarm function: hi.

  • Page 5: Description

    For international applications the BA337E-SS has IECEx certification which is described in Appendix 2. For applications in the USA & Canada the BA337E-SS has ETL and cETL certification which is described in Appendix 3. Fig 1 BA337E-SS 2.

  • Page 6: Controls

    2.2 Controls 2.3 Displays The BA337E-SS is controlled and configured via four The BA337E-SS has two digital displays and front panel push buttons. In the totalisation mode i.e. associated annunciators, plus a flow indicator as when the instrument is displaying rate and total flow shown on front cover of this manual.

  • Page 7: Intrinsic Safety Certification

    EN60079-14 Electrical Installation Design, Ex p or Ex t panel enclosure the BA337E-SS Selection and Erection. When designing systems for remains an intrinsically safe instrument and must installation outside the UK the local Code of Practice comply with the installation requirements shown in should be consulted.

  • Page 8: Power Supply

    3.4 Power supply 3.5 Pulse input terminals When installed in a hazardous area the BA337E-SS The BA337E-SS Rate Totaliser has a single pair of should be powered from a certified Zener barrier, pulse input terminals 5 and 6 that may be configured galvanic isolator or associated apparatus with an for use with different types of flowmeter sensor.

  • Page 9: Remote Reset Terminals

    The totalisers pulse input equivalent capacitance and Remote reset terminals inductance are small and unlikely to make a The BA337E-SS total display may be reset to zero significant difference allowable cable by connecting the external reset terminals RS1 and parameters.

  • Page 10: Certification Label Information

    BA337E-SS. Terminals 2, 6 and RS2 of the BA337E-SS Rate Totalisers are internally connected together. If any of these terminals are earthed, as shown in Figs 2 & 3, the other common terminals should only be connected to the same earth, i.e.

  • Page 11: Power Supply

    When designing a system it is important to remember 4.1.2 Pulse input that terminals 2, 6 and RS2 are interconnected within As shown in Figs 2 and 3 the BA337E-SS can the BA337E-SS See Fig 1. display the rate and total flow from flowmeters with a wide variety of pulse outputs located in safe and hazardous areas.

  • Page 12: 2-Wire Proximity Detector Input

    (proximity detector) is less than 7.5V. The flowmeter ≤ 0.84W must be located in the same hazardous area as the BA337E-SS and with the associated wiring be able to The Rate Totaliser input may therefore be directly withstand a 500V rms insulation test to earth. connected...

  • Page 13: Use With Galvanic Isolators

    10 of this manual. 4.2.2 Pulse input The totaliser pulse source may be located in the safe As shown in Figs 4 and 5 the BA337E-SS input can area as shown in Fig 5. An additional galvanic isolator directly...

  • Page 14: Switch Contact Input

    6.7. sense flow will have a low level voltage output unless the flowmeter incorporates an amplifier. CoiL in the BA337E-SS input configuration menu is a low level voltage pulse input intended for use with an 4.2.4 Open collector input intrinsically safe magnetic pick-off.

  • Page 15: Voltage Pulse Input

    Any switch may be used but a galvanic isolator is required to transfer the contact closure into the hazardous area. Fig 4 illustrates how a BA337E-SS may be reset from both the safe and the hazardous area. Note: The BA337E-SS may be configured to reset the total display to zero by operating the &...
  • Page 16 4.3.2 Installation in Ex p panel enclosure within Installation of a BA337E-SS Rate Totaliser in an Ex p IIC Gb or Ex p IIC Gc pressurised panel enclosure does not invalidate the Ex p panel's impact and ingress protection as the front of the Rate Totaliser complies with Ex p impact and ingress requirements.

  • Page 17: Installation

    Although the front of the BA337E-SS has IP66 protection, it should be shielded from continuous direct sunlight and severe weather conditions. The BA337E-SS may be located in Zone 0, 1 or 2 providing that the operating temperature is between –40°C and +60°C and the installation complies with the certification requirements.

  • Page 18: Emc

    Fig 10 Terminals for field wiring 5.4 Rate Totaliser earthing The BA337E-SS has an M4 earth stud on the rear panel which should be electrically connected to the Fig 11 Inserting flexible strip carrying scale card into panel enclosure in which the indicator is mounted, or slot at the rear of the Rate Totaliser.
  • Page 19 6.0 CONFIGURATION & CALIBRATION 5CALE-r is a dividing factor that converts the output The BA337E-SS Rate Totaliser is configured and from FACtor into the required rate display in calibrated via four front panel push buttons. All the engineering units. e.g. if the output from FACtor is...

  • Page 20: Accessing Configuration Functions

    6.2 Accessing configuration functions 6.3 Summary of configuration functions Throughout this manual push buttons are shown as This section summarises all the configuration functions. When read in conjunction with Fig 13 it &, *, ( and ) and legends displayed by the instrument are shown in a seven segment font exactly provides a quick aid for configuring the Rate Totaliser.
  • Page 21 Display Summary of function Display Summary of function Upper display Rate scale factor di5P-1 5CALE. r Defines whether rAtE or totAL is 5CALE . r is a dividing factor that shown on the upper display. converts the pulse output from other variable will be shown on the FACtor into the required rate display lower display, providing the lower...
  • Page 22 Display Summary of function Display Summary of function Local reset Reset grand total from LoC Clr CLr-Gtot Contains sub-menu with configuration menu. functions enabling total and grand This function resets the grand total total to be reset to zero via the front to zero from within the configuration panel push buttons when the Rate menu when CLr YE5 is selected, and...

  • Page 23: Rate Totaliser Function: Function

    6.4 Rate Totaliser function: FunCtion Notes: The Rate Totaliser contains an adjustable sixteen 1. Maximum voltage input +28V. segment lineariser which may be used to compensate for flowmeter non-linearity. This function turns this 2. For flowmeter sensor that require energising i.e.

  • Page 26: Debounce: Debounce

    This function turns the lower display on or off. When pulse amplitude only slightly exceeds the input turned off, the BA337E-SS will only have one eight switching thresholds. digit display which may be configured in the di5P-1 function to show total flow or rate of flow.

  • Page 27: Position Of Decimal Points: Dp

    6.11 Position of the decimal points: dP 6.13 Total scale factor: 5CALE . t The upper and lower displays have eight and six digits dividing factor adjustable 5CALE. t respectively. This function enables the position of the between 0 . 0001 and 99999 that enables total flow to decimal point on both displays to be independently be displayed in the required engineering units.

  • Page 28: Timebase: T-Ba5E

    6.17 Clip-off: CLP oFF To prevent totalisation of very low flow rates that over long periods may result in significant totalisation errors, the BA337E-SS may be configured to stop totalising when the flow rate falls below an adjustable threshold. 11.3 15.7...

  • Page 29: Local Reset: Loc Clr

    &or* button to change the setting followed by the ) button twice to enter Please contact BEKA associates sales department if the change and return to the LoC . c lr prompt in the the security code is lost.
  • Page 30 5 and press ( to transfer control to the second digit which should be set to u. When 5urE has been entered, pressing the ) button will reset the BA337E-SS to the factory defaults and return the instrument to the totalising mode.

  • Page 31: Lineariser

    7. LINEARISER 7.1 Flowmeter specification The BA337E-SS Rate Totaliser includes a sixteen Flowmeters are usually supplied with a calibration segment straight-line lineariser which can compensate certificate specifying the average K-factor and the for non-linearity resulting from a flowmeter having a flow range over which it applies.

  • Page 33: Add A Segment: Add

    For each segment an input pulse frequency in Hz 7.3 Add a segment: Add PuL5E fr and a corresponding flowmeter K-factor Add is a sub-menu in the FACtor function that L-FACtor are required. See section 7.1 enables a straight-line segment to be added to the lineariser at any point.

  • Page 34: Input Frequency: Pul5Efre

    If removing a segment from a configured lineariser, pulses per litre, L-FACtor therefore converts the the segment to be deleted, which is shown on the left flowmeter output into engineering units ready for hand side of the display, can be selected using the further scaling to produce the required rate and total &...

  • Page 35: Configuration Example

    105 pulses per litre with a magnetic pick-off. in the configuration menu and press ( to reveal how frequently the Rate The BA337E-SS is required to display rate of flow in Totaliser display is updated. Using the imperial gallons per hour with a resolution of one &or *...
  • Page 36 Step 8 Enter the flowmeter K-factor In this example the rate of flow display is K-factor is the number of pulses that a required in imperial gallons. FACtor, flowmeter produces per unit volume of which was adjusted in Step 8 of this flow.
  • Page 37 Step 17 Return to the totalisation mode menu. Configuration of the BA337E-SS is now complete. Pressing the ) button will In this example the operator is required to save the new configuration and return the be able to reset the total display but not the Rate Totaliser to the totalisation mode.

  • Page 38: Maintenance

    Note: Terminals 2, 1 & 2 with 6 & RS2 are terminal 1 If a BA337E-SS fails after it has been functioning interconnected positive. within the correctly, the following table may help to identify the instrument.

  • Page 39: Accessories

    Only one output option can be 10.1 Scale card fitted to a BA337E-SS. The BA337E-SS has a window on the right hand side of the display through which to view a scale card Configurable functions for each alarm include...

  • Page 40: Solid State Output

    This allows the alarm output terminals A1 & A2 and A3 When a BA337E-SS is supplied with alarms the & A4 to be connected to almost any intrinsically safe configuration menu is extended as shown in Fig 18.

  • Page 41: Alarm Enable: Enbl

    Display Summary of function 10.4.4 Alarm enable: EnbL This function allows the alarm to be enabled or Alarm enable disabled without altering alarm EnbL Enables or disables the alarm without parameters. Using the & or * push button select changing the alarm parameters. AL1 or AL2 from the configuration menu and See section 10.4.4 press ( to access the alarm sub-menu.

  • Page 43: Alarm Output Status: No. N C

    When the BA337E-SS power supply is turned off or disconnected, the alarm output will be activated and the alarm annunciator output(s) will open irrespective of whether normally will be permanently activated.

  • Page 44: Adjusting Alarm Setpoints

    ( and * buttons simultaneously. Please contact BEKA associates sales department if the security code is lost. 10.4.14 Adjusting alarm setpoints from the totalisation mode...

  • Page 45: Pulse Output

    A pulse output is available as a factory fitted option. could be used to drive a safe area counter. Only one output option can be fitted to a BA337E-SS. positive terminal of the pulse output circuit P1 is connected to the Rate totaliser’s positive supply The pulse output is an isolated open collector having terminal 1.

  • Page 46: Enable Pulse Output: Enbl

    Using the & or * push button scroll though the 10.5.6 Source of output pulse: 5ourCE configuration menu until PuL5E oP is displayed, The output pulse may be derived from: pressing ( will then access the pulse output sub- menu which is shown in Fig 21. Incrementation of least significant 5CALEd digit of the total display.

  • Page 47: Pulse Storage

    Using the & or * push button select durAtion in 10.6 4/20mA output the pulse output sub-menu and press ( which will The BA337E-SS Rate Totaliser can be supplied with a factory fitted galvanically isolated 4/20mA output reveal the existing pulse duration. The value can be which may be configured to represent the rate or changed by pressing the &...

  • Page 48: System Design

    10.6.2 System design The Rate Totalisers 4/20mA output is a galvanically isolated passive current sink i.e. not powered, but it is totally isolated from all other Rate Totaliser circuits. It is effectively a 2-wire 4/20mA transmitter requiring a minimum supply of 10V with its current being controlled by the Rate Totaliser.
  • Page 49 10.6.7 Display which corresponds to 4mA output: 4 . 000 The rate or total display which corresponds to a 4.000mA output current is defined by this function. Using the & or * push button select 4 . 000 in the 4/20mA output sub-menu and press ( to reveal the selected rate or total display with one digit flashing.
  • Page 50 Zones, and Maximum Surface Temperature The BA337E-SS has IP66 front of panel protection The BA337E-SS has been ATEX certified as Group II, and a gasket is provided to seal the joint between Category 1D Ex ia IIIC T80ºC Da apparatus, Ta -40 to the instrument and the mounting panel thus 60°C.
  • Page 51 Zone 21 or Zone 22. apparatus is usually installed in the safe area, but if Installation of a BA337E-SS Rate Totaliser in an suitably certified may be mounted in the same Ex t Ex t IIIC panel enclosure does not invalidate the Ex t...
  • Page 52 IP6X protection. This means that when installed in an Ex e, Ex n, Ex p or Ex t panel enclosure the BA337E-SS remains an intrinsically safe instrument and must comply with the installation requirements shown in this manual.
  • Page 53 ETL and cETL nonincendive codes US & Canada The US and Canadian standards used for assessment and certification of the BA337E-SS are listed on the CL I Div 2 Groups A, B, C, D T5 CL II Div 2 Groups F, G CL III Div 2 cETL Authorisation to Mark.

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