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Summary of Contents for BEKA BA537E
- Page 1 BA537E and BA538E One input General Purpose pulse input Rate Totalisers Issue 5 Issue: 9th July 2019...
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Page 2: Table Of Contents
6.2 Summary of lineariser configuration functions. 6.3 Add a segment: add 6.4 Remove a segment: del 6.5 Input frequency: pul5efre 6.6 K-factors: l-factor 6.7 Lineariser error messages The BA537E and BA538E are CE marked to show compliance with the European EMC Directive 2014/30/EU... -
Page 3: Description
*Only one output option Isolated pulse output may be fitted to BA537E always fitted to BA538E 2. OPERATION Fig 1 shows a simplified block diagram of the BA537E and BA538E Rate Totalisers. The instruments can accept pulses from most... -
Page 4: Controls
2.2 Controls 2.3 Displays The BA537E and BA538E are controlled and The BA537E and BA538E 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 the front cover of this manual. -
Page 5: System Design
3. SYSTEM DESIGN 3.2 Pulse input As shown in Figs 2 the BA537E and the BA538E Fig 2 illustrates the basic circuit that is used for all can display the rate and total flow from flowmeters BA537E and BA538E installations. -
Page 6: Magnetic Pick-Off Input
Flowmeters incorporating a magnetic pick-off to sense flow will have a low level voltage output unless the flowmeter incorporates an amplifier. CoiL in the BA537E and BA538E input configuration menu is a low level voltage pulse input intended for use with a magnetic pick-off. -
Page 7: Installation
Totalisers have IP20 ingress protection. 138.0 +1.0/-0.0 x 68.0 +0.7/-0.0 Figs 3A and 3B show the overall dimensions of the 96 x 48mm BA537E and the 144 x 72mm BA538E and the recommended panel cut-out dimensions. To achieve an IP66 seal between the instrument... -
Page 8: 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 4. -
Page 9: Configuration Structure
BA538E Rate Totalisers but is an option on the output from FACtor into the required total display the BA537E, and the optional alarms and 4/20mA engineering units. e.g. if the output from FACtor is output are described separately in section 9. When... - Page 10 5.2 Accessing configuration functions 5.3 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 7 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 11 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 12 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 13 5.4 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 16 This function turns the lower display on or off. When pulse amplitude only slightly exceeds the input turned off, the BA537E or the BA538E 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.
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Page 17: Position Of Decimal Points: Dp
5.11 Position of the decimal points: dP 5.13 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 18: Timebase: T-Ba5E
To prevent totalisation of very low flow rates that over long periods result significant totalisation errors, the BA537E and the BA538E 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 19: 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 20 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 BA537E or BA538E to the factory defaults and return the...
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Page 21: Lineariser
6. LINEARISER 6.1 Flowmeter specification The BA537E and BA538E 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 23: Add A Segment: Add
For each segment an input pulse frequency in Hz 6.3 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 6.1 enables a straight-line segment to be added to the lineariser at any point. -
Page 24: Input Frequency: Pul5Efre
If removing a segment from a configured lineariser, flowmeter produces per unit volume of flow e.g. 20 the segment to be deleted, which is shown on the left pulses per litre, L-FACtor therefore converts the hand side of the display, can be selected using the flowmeter output into engineering units ready for &... -
Page 25: Configuration Procedure
( to reveal how frequently the Rate The BA537E is required to display rate of flow in Totaliser display is updated. Using the imperial gallons per hour with a resolution of one &... - Page 26 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 27 Rate Totaliser to the totalisation the grand total display when the BA537E mode. The BA537E will display dAtA Rate Totaliser is in the totalisation mode.
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Page 28: Maintenance
If a BA537E or a BA538E fails to function during STARTING MAINTENANCE commissioning the following procedure should be followed: If a BA537E or a BA538E fails after it has been functioning correctly, the following table may help to Symptom Cause Check: identify the cause of the failure. -
Page 29: Accessories
9. ACCESSORIES 9.3 Backlight Accessories for the two models differ as shown below, The BA537E and the BA538E 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 30: Solid State Output
9.4.1 Solid state output 9.4.2 Configuration and adjustment Each alarm has a galvanically isolated single pole When a BA537E or BA538E is supplied with alarms solid state switch output as shown in Fig 10. The the configuration menu is extended as shown in outputs are polarised and current will only flow in one Fig 12. -
Page 31: Alarm Enable: Enbl
Display Summary of function 9.4.3 Alarm enable: EnbL This function allows the alarm to be enabled or disabled without altering alarm Alarm silence time S5IL Defines the time that the alarm output parameters. Using the & or * push button select remains non-alarm condition... -
Page 33: Alarm Output Status: No. N C
Each single pole alarm output may be open or closed in the non-alarm condition. When the BA537E or will continue for the delay time, after which the alarm BA538E power supply is turned off or disconnected,... -
Page 34: Adjusting Alarm Setpoints
( and * buttons simultaneously. Please contact BEKA associates sales department if the security code is lost. 9.4.13 Adjusting alarm setpoints from the totalisation mode... -
Page 35: Pulse Output
9.5 Pulse output All BA538E Rate Totalisers are supplied with an opto- isolated pulse output. The pulse output is available as a factory fitted option on the smaller BA537E Rate Totaliser, but only one output option can be fitted to this model. -
Page 36: Output Pulse Width: Duration
9.5.6 Divide output pulse frequency: diVidE When 5CALEd is selected in the 5ource sub-function (9.5.9) output pulse derived from incrementation of the least significant digit of the total display divided by one of the following five factors to produce the output pulse: 1000 10000 Using the &... -
Page 37: 4/20Ma Output
9.6 4/20mA output Both the BA537E and BA538E 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. Only one output option can be fitted to a BA537E. - Page 38 9.6.6 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.
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