Related Manuals for BEKA BA554E
Summary of Contents for BEKA BA554E
- Page 1 BA554E General Purpose 4/20mA loop-powered field mounting Rate Totaliser Issue 3 Issue: July 2014...
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Page 2: Table Of Contents
5.19 Reset to factory defaults 9.2.13 Adjusting alarm setpoints 5.20 Over-range from display mode. 9.3 Display backlight 9.3.1 Loop powered 9.3.2 Separately powered 9.4 External keypad 9.5 Pipe mounting kits The BA554E is CE marked to show compliance with the European EMC Directive 2004/108/EC... -
Page 3: Description
No additional power supply or battery is required. Housed in a robust IP66 glass reinforced polyester (GRP) enclosure with an armoured glass window, the BA554E is surface mounting, or may be pipe mounted using one of the accessory kits. 2. OPERATION... -
Page 4: Displays
2.2 Displays The BA554E has two digital displays and While this button is pushed the Rate associated annunciators, plus a flow indicator as Totaliser will display the time in hours, shown on page 1. -
Page 5: Applications
& total flow. option backlight which is loop powered. 3.2 Resetting the total display to zero The BA554E total display may be reset to zero by momentarily connecting the reset terminals RS1 and RS2 together with a resistance of less than 1kΩ... -
Page 6: Installation
4.1 Location procedure. The BA554E Rate Totaliser is housed in a robust IP66 glass reinforced polyester (GRP) enclosures 1. Remove the instrument terminal cover by incorporating an armoured glass window and unscrewing the two captive 'A' screws. -
Page 7: Emc
Fig 5 Dimensions and terminal connections 4.3 EMC The BA554E complies with the requirements of the European EMC Directive 2004/108/EC. specified immunity all wiring should be in screened twisted pairs, with the screens connected at one point to the plants potential equalising conductor. -
Page 8: Configuration And Calibration
5. CONFIGURATION AND CALIBRATION The BA554E is configured and calibrated via four push buttons that located behind instrument control cover. If frequent access to the push buttons is required, the Rate Totaliser can be supplied with a duplicate membrane keypad mounted on the outside of the control cover. - Page 9 For example, if a BA554E is displaying rate in litres 5.2 Accessing the configuration and per minute, setting '5CALE-t' to 4.5461 produces a calibrations functions. total display in UK gallons. Alternatively, setting '5CALE-t' to 4546.1 will produce a total display in Throughout this manual push buttons are shown thousands of UK gallons.
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Page 10: Summary Of Configuration Functions
5.3 Summary of configuration functions Display Summary of function This section summarises each of the main configuration functions and includes a cross 'CAL' Calibration of the rate display reference to a more detailed description. Fig 7 using an external current source. illustrates the location of each function within the Enables the zero and span of the configuration menu. -
Page 11: Total Scale Factor
Display Summary of function Display Summary of function ‘5CALE-t’ Total scale factor 'r5Et' Reset Rate Totaliser to factory Defines the arithmetic relationship defaults. between the rate and total displays. Contains two sub-functions, May be adjusted between 0.0001 Select: and 99999 ‘ConF’... - Page 13 5.4 Rate Totaliser function: ‘FunC’ ‘bi-Lin’ 16 segment adjustable lineariser This configuration function defines the relationship May be adjusted to compensate for between the Rate Totaliser’s 4/20mA input current flowmeter non-linearity with bi-directional and the instruments’s rate display. Three flow. Use of the lineariser is described in alternatives are available for uni-direction flow and section 6 of this instruction manual.
- Page 14 'ZEro' prompt . after it, or it may be omitted. Pressing the ▲ button will cause the BA554E to Notes: display 'SPAn' which is a request for a 20mA input a.
- Page 15 4/20mA input current, or to disconnect the briefly displaying ‘Gt CLrd’ to confirm that the BA554E Rate Totaliser from the 4/20mA loop. instruction has been performed and return the instrument 'CLr.Gtot'...
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Page 16: Clip Off
To prevent totalisation of very low flow rates, which over long periods may result in significant 5CALE-t = Units of rate display totalisation errors, the BA554E rate display can be Units of total display conditioned to stop totalisation when the flow rate falls below a specified clip-off threshold. -
Page 17: Local Reset Of Total And Grand Total
‘r5Et’ from the configuration menu and press P, the When enabled, ‘t-rE5Et’ allows an operator to reset Rate Totaliser will display one of the reset options the BA554E total display to zero by operating the ‘ConF’ or ‘LtAb’. ▼ and ▲ push buttons simultaneously for at least two seconds. -
Page 18: Lineariser
6. LINEARISER 6.1 Lineariser calibration using an external A sixteen segment, seventeen break-point (0 to 16) current source. lineariser may be selected in the ‘FunC’ section of This method allows direct calibration of the the configuration menu. The position of each lineariser with an external current source and is the break-point is fully adjustable so that the slope of preferred method when traceability is required. -
Page 20: Error Messages
The delete break-point sub-function 'dEL' operates before the default break-point '1:1' which will result in exactly the same way as the 'Add' sub-function in a display of '1:2'. If more new break-points are described above. Once within the ‘dEL’ sub- required, using the ▲... -
Page 21: Under And Over-Range
To add a break-point using the ▲ or ▼ button the required rate display at the first break-point. select 'SEt' from the configuration menu and press When set as required, press E to return to the ‘0:n’ P which will result in the 'Add' sub-function prompt prompt from which the next break-point can be being displayed. -
Page 22: Calibration Examples
'1' and return to the 'rE5n' 20mA at a flow of 1100 litres / minute. prompt in the configuration menu by BA554E is required to display flow in litres per pressing E. minute with a resolution of 1 litre and total flow in cubic metres with a resolution of 0.1 cubic metres. - Page 23 In this example the rate display is in using an external current source 'CAL' litres per minute but the total display is from the configuration menu and press required in cubic metres: The BA554E will request a 4mA 5CALE-t Units of rate display input by displaying 'ZEro'.
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Page 24: Using The Internal Reference
100% of maximum flow. A security code of 1209 is required. In the operating mode the BA554E is required to display the input current as a percentage of span when the P push-button is operated and operating the ▼ and ▲ buttons... -
Page 25: Maintenance
ENSURE PLANT SAFETY BEFORE annually. STARTING MAINTENANCE 8.5 Guarantee If a BA554E fails after it has been functioning Instruments which fail within the guarantee period correctly, the following table may help to identify should be returned to BEKA associates or our local the cause of the failure. -
Page 26: Accessories
9.1 Units of measurement & instrument CAUTION identification. These alarms outputs should not be used The BA554E Rate Totaliser is fitted with a blank for critical safety applications such as an escutcheon around the liquid crystal display. This emergency shut down system. -
Page 27: Solid State Output
9.2.1 Solid state output Each alarm has a galvanically isolated single pole solid state switch output as shown in Fig 11. The output is polarised and current will only flow in one direction. less than 5Ω + 0.7V Roff greater than 1MΩ Fig 11 Equivalent circuit of each alarm output The solid state output of each alarm may be used to switch any dc circuit with parameters equal to or... -
Page 29: Hysteresis
9.2.2 Configuration and adjustment Summary of alarm configuration functions When optional alarms are fitted to a BA554E Rate Totaliser the configuration menu is extended as Display Description of function shown in Fig 13. The additional functions appear between the ‘C- - P’ and ‘5CALE-t’ functions. For 'EnbL’... - Page 30 The flashing digit of the setpoint can be adjusted using the ▲ e.g. A BA554E calibrated to display a rate of 0 to and ▼ push buttons, and the P button to move 10000, with a high alarm set at 9000 and control to the next digit.
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Page 31: Access Setpoint
e.g. An Rate Totaliser with a high alarm set at reference, ‘ALr1’ or ‘ALr2’ when the alarm output is 9000 and an alarm delay of 30 seconds will activated. If both alarm outputs are activated by perform as follows: one variable, the display alternates between the numerical value and ‘Alr1-2’. -
Page 32: Adjusting Alarm Setpoints From Display Mode
9.2.13 Adjusting alarm setpoints from the which the other setpoint may be selected, or the display mode. Rate Totaliser may be returned to the display Access to the alarm setpoints from the Rate mode by pressing E again. Totaliser display mode is obtained by operating the P and ▲... -
Page 33: Display Backlight
9.3 Display backlight 9.3.2 Separately powering the backlight The BA554E loop powered Rate Totaliser can be The optional backlight may also be powered from a supplied with a factory fitted backlight that may be separate safe area power supply via an intrinsically loop or separately powered.
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