Related Manuals for BEKA BA354E
Summary of Contents for BEKA BA354E
- Page 1 BA354E Intrinsically safe 4/20mA loop-powered field mounting Rate Totaliser Issue 5 Issue: October 2015...
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Page 2: Table Of Contents
6.19 Reset to factory defaults Appendix 1 6.20 Over-range ATEX dust certification Appendix 2 IECEx certification Appendix 3 FM and cFM certification The BA354E is CE marked to show compliance with the European Explosive Atmospheres Directive 94/9/EC and the European EMC Directive 2004/108/EC... -
Page 3: Description
(GRP) enclosure with an armoured glass window, instrument control cover, or as an option on the the BA354E is surface mounting, or may be pipe outside of the instrument control cover. In the mounted using one of the accessory kits. -
Page 4: Displays
2.2 Displays While this button is pushed the Rate The BA354E has two digital displays and Totaliser will display the time in hours, associated annunciators, plus a flow indicator as minutes... -
Page 5: Intrinsic Safety Certification
Group A propane the application and intrinsic safety documentation Group B ethylene for a loop into which the BA354E is connected. Group C hydrogen Apart from Ci, the affect of the Rate Totaliser may be ignored when assessing loop safety. -
Page 6: Reset Terminals
3.4 Reset terminals 3.5 Certification label information The BA354E total display may be reset to zero by The certification information label is fitted in a connecting the reset terminals RS1 and RS2 recess on the top outer surface of the instrument together. -
Page 7: System Design For Hazardous Areas
4. SYSTEM DESIGN FOR HAZARDOUS AREA 4.2 Resetting the total display to zero The BA354E total display may be reset to zero by 4.1 Flow transmitter loops momentarily connecting the reset terminals RS1 A BA354E Rate Totaliser may be connected in... - Page 8 Fig 3a Simplest circuit with one side of 20mA current loop connected to earth. Also illustrates resetting from safe area. Fig 3b Two Zener barrier channels are required if the 4/20mA current loop can't be earthed at the barrier busbar. Also shows optional resetting from hazardous area Fig 3c Galvanic isolator can be used with any...
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Page 9: Installation
5. INSTALLATION 5.1 Location The BA354E Rate Totaliser is housed in robust IP66 glass reinforced polyester (GRP) enclosures incorporating an armoured glass window and stainless steel fittings making it suitable for exterior mounting in most industrial installations, including off-shore and waste water treatment. -
Page 10: Configuration And Calibration
6. CONFIGURATION AND CALIBRATION The BA354E 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 duplicate membrane keypad mounted on the outside of the control cover. - Page 11 For example, if a BA354E is displaying rate in litres 6.2 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 12: Summary Of Configuration Functions
6.3 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 13: 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 15 6.4 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 7 of this instruction manual.
- Page 16 'ZEro' prompt . after it, or it may be omitted. Pressing the ▲ button will cause the BA354E to Notes: display 'SPAn' which is a request for a 20mA input a.
- Page 17 4/20mA input current, or to disconnect the briefly displaying ‘Gt CLrd’ to confirm that the BA354E Rate Totaliser from the 4/20mA loop. instruction has been performed and return the instrument 'CLr.Gtot'...
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Page 18: Clip Off
When enabled, ‘t-rE5Et’ allows an operator to reset flashing. The value of the flashing digit may be the BA354E total display to zero by operating the changed by pressing the ▼ or ▲ button. When ▼ and ▲ push buttons simultaneously for at least this digit is set as required pressing P will transfer two seconds. -
Page 19: Security Code
When enabled, ‘Gt-rE5Et’ allows an operator to To reset the Rate Totaliser or lineariser select reset the BA354E grand total to zero by operating ‘r5Et’ from the configuration menu and press P, the the E and ▲ push buttons simultaneously for at Rate Totaliser will display one of the reset options least ten seconds. -
Page 20: Lineariser
7. LINEARISER 7.1 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 22: Example, Adding Break-Points To A New Rate Totaliser
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 23: Example, Adding Break-Points To A New Rate Totaliser
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 24: Calibration Examples
'1' and return to the 'rE5n' 20mA at a flow of 1100 litres / minute. prompt in the configuration menu by BA354E 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 25 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 BA354E will request a 4mA 5CALE-t Units of rate display input by displaying 'ZEro'.
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Page 26: Using The Internal Reference
100% of maximum flow. A security code of 1209 is required. In the operating mode the BA354E 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 27: Maintenance
BEKA associates is always pleased to receive comments from customers about our products. All communications are acknowledged and whenever If a BA354E fails after it has been functioning possible, suggestions are implemented. correctly, the following table may help to identify... -
Page 28: Accessories
10,1 Units measurement & instrument CAUTION identification. These alarms outputs should not be used The BA354E 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 29: Solid State Output
10.2.1 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 10.2.2 Intrinsic safety Each alarm output is a separate galvanically... -
Page 31: Configuration And Adjustment
10.2.3 Configuration and adjustment Summary of alarm configuration functions When optional alarms are fitted to a BA354E Rate Totaliser the configuration menu is extended as Display Description of function shown in Fig 12. The additional functions appear between the ‘C- - P’ and ‘5CALE-t’ functions. For 'EnbL’... - Page 32 The flashing digit of the setpoint can be adjusted using the ▲ e.g. A BA354E 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 33: Access Setpoint
e.g. An Rate Totaliser with a high alarm set at between the numerical value and the alarm 9000 and an alarm delay of 30 seconds will reference, ‘ALr1’ or ‘ALr2’ when the alarm output is perform as follows: activated. If both alarm outputs are activated by one variable, the display alternates between the The alarm annunciator will start to flash when an numerical value and ‘Alr1-2’. -
Page 34: Adjusting Alarm Setpoints From Display Mode
‘5Pr1’, if operating on the total display it will be identified 5Pt1. Similarly for alarm 2.10.3 Display backlight The BA354E loop powered Rate Totaliser can be supplied with a factory fitted backlight that may be loop or separately powered. -
Page 35: Separately Powered
supply is equal to or greater the minimum specified voltage. Below this supply voltage the backlight continues to function but with reduced brilliance. Current Minimum voltage 35mA Any certified Zener barrier or galvanic isolator may be used, providing the output parameters do not exceed: 30V dc 200mA... -
Page 36: External Keypad
10.4 External keypad For applications requiring frequent access to the configuration menus, the BA354E Rate Totaliser can be supplied with an external membrane keypad. This maintains the IP66 integrity of the enclosure while enabling all functions to be configured and controlled without removing the enclosure control cover. -
Page 37: Appendix 1
Zones, and Maximum Surface Temperature BA354E label including dust certification The BA354E has been ATEX certified as Group II, Category 1D Ex ia IIIC T80ºC Da IP66 Ta = -40 to 70°C. When installed as specified by EN 60079-14 The instrument serial number and date of... -
Page 38: Appendix 2
Appendix 2 A2.3 Versions of the BA354E IECEx certification All versions of the BA354E loop powered Rate Totaliser have IECEx certification. A2.0 The IECEx Certification Scheme This includes: IECEx is a global certification scheme for explosion protected products which aims to harmonise ATEX version for use in gas atmospheres. -
Page 39: Appendix 3
FM and cFM installations. A3.0 Factory Mutual Approval For installations in the USA and Canada, versions of the BA354E are available with FM and cFM A3.2 Nonincendive approval intrinsic safety and nonincendive approval, project The BA354E Rate Totaliser is also approved to identifications 3041487 and 3041487C.
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