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Summary of Contents for BEKA BA337E
- Page 1 BA337E and BA338E One input intrinsically safe pulse input rate totalisers Issue 6 Issue: 9th July 2019...
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Page 2: Table Of Contents
5.2 EMC 9.3 Servicing 5.3 Installation procedure 9.4 Routine maintenance 5.4 Scale card 9.5 Guarantee 9.6 Customer comments The BA337E and BA338E are 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 Configuration and adjustment 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.
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Page 5: Description
For applications in the USA and Canada both models have ETL and cETL certification which is described in Appendix 2. 2. OPERATION Fig 1 shows a simplified block diagram of the BA337E and BA338E Rate Totalisers. The instruments can accept pulses... -
Page 6: Display Over-Range
2.2 Controls 2.3 Displays The BA337E and BA338E are controlled and The BA337E and BA338E have two digital displays configured via four front panel push buttons. In the and associated annunciators, plus a flow indicator totalisation mode i.e. when the instrument is as shown on page 1. -
Page 7: Intrinsic Safety Certification
Zones and to be used with most common industrial gases except carbon disulphide and ethyl 3.1 ATEX gas certification Notified Body Intertek Testing and Certification Ltd nitrite which have an ignition temperature of 95ºC. have issued the BA337E and the BA338E with an EC-Type Examination Certificate number ITS16ATEX28408X. -
Page 8: Pulse Input
3 & 4 of parameters these figures should be subtracted from the BA337E or BA338E connects an internal 7V, 6mA the maximum permitted output parameters Lo and supply to the input. Energising is not required when... -
Page 9: Remote Reset Terminals
Remote reset terminals The BA337E and BA338E total display may be reset to zero by connecting the external reset terminals RS1 and RS2 together for more than one second. -
Page 10: System Design For Hazardous Areas
BA337E or BA338E. Terminals 2, 6 and RS2 of the BA337E and BA338E Rate Totalisers are internally connected together. If any of these terminals are earthed, as shown in Figs 2 &... -
Page 11: Pulse Input
4.1.2 Pulse input 4.1.5 2-wire proximity detector input As shown in Figs 2 and 3 the BA337E and the Most certified intrinsically safe flowmeters BA338E can display the rate and total flow from incorporating a NAMUR 2-wire proximity detector flowmeters with a wide variety of pulse outputs may be directly connected to a BA337E or BA338E located in safe and hazardous areas. -
Page 12: Voltage Pulse Input
Fig 2 illustrates how a totaliser in the hazardous area, although it may be BA337E or BA338E may be reset from both the safe difficult to find isolators for transferring some and the hazardous area. -
Page 13: Power Supply
4.2.2 Pulse inputs As shown in Figs 4 and 5 the BA337E and BA338E inputs can be directly connected to hazardous area flowmeters, or to safe area flowmeters via isolators. -
Page 14: 2-Wire Proximity Detector Input
Fig 4 illustrates how a BA337E or BA338E may be reset from both the safe and the hazardous area. The flowmeter must be located within the same... -
Page 15: Installation
Totalisers have IP20 ingress protection. 138.0 +1.0/-0.0 x 68.0 +0.7/-0.0 Figs 6A and 6B show the overall dimensions of the 96 x 48mm BA337E and the 144 x 72mm BA338E and the recommended panel cut-out dimensions. To achieve an IP66 seal between the instrument... -
Page 16: Installation Procedure
Place a clamp in the recess on each side of the common units of flow measurement is available as Rate Totaliser, pulling gently to slide it onto the an accessory from BEKA associates. Custom dovetail as shown in Fig 7. -
Page 17: Configuration Structure
BA338E Rate Totalisers but is an option on the output from FACtor into the required total display the BA337E, and the optional alarms and 4/20mA engineering units. e.g. if the output from FACtor is output are described separately in section 10. When... -
Page 18: 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 &, *, ( and ) and legends displayed by the functions. When read in conjunction with Fig 10 it instrument are shown in a seven segment font exactly provides a quick aid for configuring the Rate as they appear on the instrument display e.g. - Page 19 Display Summary of function Display Summary of function di5P-1 5CALE. r Upper display Rate scale factor 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 20 Display Summary of function Display Summary of function LoC Clr CLr-Gtot Local reset Reset grand total from 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...
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Page 21: Input Type: Inp . Type
6.4 Rate Totaliser function: FunCtion Notes: 1. Maximum voltage input +30V. The Rate Totaliser contains an adjustable sixteen segment lineariser which may be used to compensate for flowmeter non-linearity. This function turns this 2. For flowmeter transducers that require lineariser on or off. energising i.e. -
Page 24: Debounce: Debounce
This function turns the lower display on or off. When pulse amplitude only slightly exceeds the input turned off, the BA337E or the BA338E will only have switching thresholds. one eight digit display which may be configured in the di5P-1 function to show total flow or rate of flow. -
Page 25: 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 5CALE. t is a dividing factor adjustable between respectively. This function enables the position of the 0 . -
Page 26: Timebase: T-Ba5E
To prevent totalisation of very low flow rates that over long periods result significant totalisation errors, the BA337E and the BA338E may be configured to stop totalising when the flow rate falls below an adjustable threshold. 11.3 15.7 To check or change the clip-off threshold select 20.9... -
Page 27: Local Reset: Loc Clr
) button twice to return to the Totaliser is returned to the totalisation mode. configuration menu, or the & or * button to change Please contact BEKA associates sales department if the setting followed by the ) button twice to enter the security code is lost. - Page 28 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 or BA338E to the factory defaults and return the...
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Page 29: Lineariser
7. LINEARISER 7.1 Flowmeter specification The BA337E and BA338E Rate Totalisers can Flowmeters are usually supplied with a calibration produce accurate results when used with a flowmeter certificate specifying the average K-factor and the having a K-factor that varies with the flow rate, such flow range over which it applies. -
Page 31: 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 32: Input Frequency: Pul5Efre
repeatedly press ( until the total number of If removing a segment from a configured lineariser, the segment to be deleted, which is shown on the segments is reduced to the required number. left hand side of the display, can be selected using the &... -
Page 33: Lineariser Error Messages
105 pulses per litre with a magnetic pick-off. flow displays. The BA337E is required to display rate of flow in imperial gallons per hour with a resolution of one To enter the flowmeter K-factor for one or more... - Page 34 button twice. Step 4 Select the interval between display See 6.6 and 6.7 updates Using the & or * button select uPdAtE in the configuration menu and press ( to reveal how frequently the Rate Totaliser display is updated. Using the &...
- Page 35 In this example the rate of flow display is Step 8 Enter the flowmeter K-factor 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 36 Rate Totaliser to the totalisation the grand total display when the BA337E mode. The BA337E will display dAtA Rate Totaliser is in the totalisation mode.
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Page 37: Maintenance
28V on terminals Note: Terminals 2, 1 & 2 with If a BA337E or a BA338E fails after it has been 6 & RS2 are terminal 1 functioning correctly, the following table may help to interconnected positive. -
Page 38: Accessories
10. ACCESSORIES 10.3 Backlight Accessories for the two models differ as shown below, The BA337E and the BA338E Rate Totalisers can all except the scale card, are factory fitted and should be supplied with a factory fitted backlight that be specified when the instrument is ordered:... -
Page 39: Solid State Output
Each alarm output is a separate galvanically isolated intrinsically safe circuit with output safety parameters 10.4.3 Configuration and adjustment When a BA337E or BA338E is supplied with alarms complying with the requirements for simple apparatus. the configuration menu is extended as shown in This allows the alarm output terminals A1 &... -
Page 40: Alarm Enable: Enbl
10.4.4 Alarm enable: EnbL Display Summary of function This function allows the alarm to be enabled or disabled without altering alarm EnbL Alarm enable 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 42: Alarm Output Status: No. N C
Each single pole alarm output may be open or closed in the non-alarm condition. When the BA337E or will continue for the delay time, after which the alarm BA338E power supply is turned off or disconnected,... -
Page 43: 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 44: Pulse Output
The pulse output is available as galvanic isolator or a Zener barrier. a factory fitted option on the smaller BA337E Rate Totaliser, but only one output option can be fitted to Fig 17 shows how a 2-channel Zener barrier may be this model. -
Page 45: Pulse Output: Pul5E Op
The pulse output is configured in a sub-menu which is pulse. accessed via the pul5e op function which is included in all BA338E configuration menus and in BA337E Output is synchronous duplicate dirECt configuration menus when the opional pulse output of the Rate Totaliser input pulse. -
Page 46: Pulse Storage
Rate Totaliser is disconnected or turned off, any stored pulses will not be retained. 10.6 4/20mA output Both the BA337E and BA338E Rate Totalisers can be supplied with a factory fitted galvanically isolated 4/20mA output which may be configured to represent the rate or total display. -
Page 47: 4/20Ma Output: 4-20Op
10.6.7 Display which corresponds to 4mA output: 4 . 000 The Rate Totaliser display which corresponds to a 4.000mA output current is defined by this function. Using the & or * push button select 4. 0 00 in the 4/20mA output sub-menu and press ( which will reveal the existing rate or total display with one digit flashing. - Page 48 BEKA associate certificates, please visit www.iecex.com A1.1 IECEx Certificate of Conformity The BA337E and the BA338E Rate Totalisers have been issued with an IECEx Certificate of Conformity number IECEx ITS 16.0004X which specifying the following certification code: Ex ia IIC T5 Ga -40ºC ≤...
- Page 49 ETL nonincendive approval allowing installation in Division 2 hazardous (classified) locations without A2.0 cETL Mark For installations in the USA and Canada, the BA337E the need for Zener barriers or galvanic isolators. and the BA338E Rate Totalisers have ETL and cETL...
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