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Summary of Contents for BEKA BA304G
- Page 1 BA304G, BA304G-SS, BA324G & BA324G-SS intrinsically safe loop-powered field mounting indicators Issue 5 Issue: 5 19th September 2018...
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Page 2: Table Of Contents
Appendix 2 IECEx gas and dust certification Lineariser default configuration Appendix 3 ETL and cETL certification The BA304G, BA304G-SS, BA324G and BA324G-SS 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: Description
Each time a 4/20mA current is applied to the Model Display instrument, initialisation is performed during which all segments of the display are activated, after five BA304G 4 digits 34mm high in seconds the instrument displays the input current GRP enclosure. using the calibration information stored in the instrument memory. -
Page 4: Controls
At ambient temperatures between -40 and +70°C. calibrated using function, calibration points CAUTION installation in Zone 0 not be 4 and 20mA. When a BA304G or BA324G GRP instrument is installed Zone potentially explosive atmosphere requiring EPL Ga apparatus,... -
Page 5: 4/20Ma Input
The certification information label is fitted on the top surface of the instrument assembly. It shows the ATEX and IECEx certification information and BEKA associates name and location. European certification information may also be shown. The instrument serial number and date of manufacture are recorded on a separate label inside the instrument enclosure. -
Page 6: Remote Indication
Fig 2b Loop powered by a galvanic isolator Remote indication All the models may be driven via an intrinsically safe interface from a 4/20mA safe area signal to provide a remote display within a hazardous area. The type of intrinsically safe interface is not critical, either a Zener barrier or a galvanic isolator may be used, providing that Ui, Ii and Pi of the indicator are not exceeded and the voltage capability of the... -
Page 7: Installation Location
INSTALLATION Installation Procedure illustrates instrument installation Location procedure for all models. BA304G and BA324G indicators have a GRP enclosure and BA304G-SS and BA324G-SS A. Remove indicator assembly indicators have a 316 stainless steel enclosure. unscrewing the four captive 'A' screws. -
Page 8: Emc
Units of measurement and tag marking on scale card. The indicator’s units of measurement and tag Fig 5a Dimensions for BA304G and BA324G. information are shown on a scale card which slides into the indicator. New indicators can be supplied with a printed... - Page 9 Fig 6b Inserting scale card into the instrument assembly. To replace the scale card carefully insert it into the slot on the right hand side of the input terminals as shown in Fig 6b. Force should be applied evenly to both sides of the scale card to prevent it twisting.
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Page 10: Configuration And Calibration
4/20mA loop. See Default Configuration section 6.6 BA304G BA324G BA304G-SS BA324G-SS Bargraph format and calibration Access code CodE 0000 0000 Only the BA324G & BA324G-SS have a Function FunC Linear Linear bargraph. -
Page 12: Indicator Function: Func
Display Summary of function 6.2 Indicator function: FunC This configuration function defines the relationship Function of ( push button between the indicator’s 4/20mA input current and C--P the indicator’s display. Three alternatives are The indicator may be configured to display the input current in milliamps, or available: the input current as a percentage of the Standard linear relationship... -
Page 13: Position Of The Decimal Point: Dp
Position of the decimal point: dP Calibration using internal reference: 5Et A dummy decimal point can be positioned between Using the 5Et function the indicator can be any of the digits or it may be absent. To position calibrated without the need to know the value of the decimal point select dP from the menu and the 4/20mA input current, or to disconnect the press (. -
Page 14: Function Of The
Please configuration menu. contact BEKA associates sales department if the Note: bArLo must be set lower than bArHi, security code is lost. -
Page 15: Lineariser Calibration Using An External Current Source
LINEARISER 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 preferred method when traceability is required. -
Page 17: Example, Adding Break-Points To A New Indicator
The delete break-point sub-function dEL operates required, using the * button select the new in exactly the same way as the Add sub-function highest break-point 2 : 2 and add the second described above. Once within the dEL sub- additional break-point by operating the ( push function each time the ( button is pressed a button which will result in a display of 2 : 3. -
Page 18: Example, Adding Break-Points
Indicator display sub-function. Using the & and * buttons select BA304G BA324G the di5P sub-function and press ( which will BA304G-SS BA324G-SS reveal the starting point for the first break-point 0 : n, First break-point 0 :1 0.00 where n is the total number of break-points Second break-point 1 :1 20mA 100.0... -
Page 19: Maintenance
Indicators which fail within the guarantee period 0V between wiring or no voltage and voltage should be returned to BEKA associates or our local terminals 1 & 3. power supply drop caused by all agent. It is helpful if a brief description of the fault the instruments in symptoms is provided. -
Page 20: Accessories
ACCESSORIES 9.2.1 Loop powering the backlight Units of measurement & instrument The backlight is loop powered by connecting it in identification. series with the indicator’s 4/20mA input as shown New indicators are supplied with a printed scale in Fig 11, which increases the maximum indicator card showing the units of measurement and tag voltage drop from 1.2 to 5V. -
Page 21: Separately Powering The Backlight
9.2.2 Separately powering the backlight Alarms The optional backlight may also be powered from a CAUTION separate safe area power supply These alarms outputs should not be used intrinsically safe interface as shown in Fig 12. for critical safety applications such as an emergency shut down system. -
Page 22: Solid State Output
9.3.1 Solid state output Each alarm has a galvanically isolated single pole solid state switch output as shown in Fig 14. The output is polarised and current will only flow in one direction. less than 5Ω + 0.7V Roff greater than 1MΩ Fig 14 Equivalent circuit of each alarm output 9.3.2 Intrinsic safety... -
Page 24: Configuration And Adjustment
Fig 16. The additional functions appear between the 5Et and the C--P functions for the Alarm enable EnbL BA304G and between bAr and C--P for the Enables or disables the alarm without BA324G indicator. For simplicity, Fig 16 only changing the alarm parameters. -
Page 25: Alarm Enable: Enbl
9.3.4 Alarm enable: EnbL This function allows each alarm to be enabled or To check or change the alarm output status, select disabled without altering any of the alarm no . nC from the alarm configuration menu and press parameters. To enable or disable the alarm select ( to reveal the setting. -
Page 26: Alarm Silence Time: 5Il
9.3.10 Alarm silence time: 5iL This function is primarily intended for use in small This direct setpoint access menu is enabled and installations where the alarm output directly the separate security code entered from the AC5P operates an alarm annunciator such as a sounder function in the alarm configuration menu as shown or beacon. -
Page 27: Ba324G-Ss Bargraph
9.3.14 Displaying setpoints on BA324G and BA324G-SS bargraph One of the selectable bargraph formats Alr5P allows a low or a high setpoint plus the displayed value to be represented, or a low and a high setpoint plus the displayed value to be represented by the bargraph as shown in Fig 18. -
Page 28: Pipe Mounting Kit
GRP enclosure. If the enclosure is and is therefore suitable for mounting a BA304G or not fixed to an earthed structure, one of these a BA324G in a sealed panel enclosure. -
Page 29: Atex Dust Certification
APPENDIX 1 A1.2 Installation and maintenance The installation requirement described in this ATEX Dust Certification manual for potentially gas explosive atmospheres also apply when the indicators are installed in a dust explosive atmosphere. A1.0 ATEX dust certification addition ATEX certification permitting The instrument assembly should only be removed installation in explosive gas atmospheres which is... - Page 30 IECEx is a global certification scheme for explosion protected products which aims to harmonise international certification standards. For additional information about the IECEx certification scheme and to view the BEKA associate certificates, please visit www.iecex.com A2.1 IECEx Certificate of Conformity...
- Page 31 Zener barriers or galvanic isolators. A3.0 cETL Mark For installations in the USA and Canada, all the Installations must comply with BEKA associates models have ETL and cETL intrinsic safety and Control Drawing CI300-84, which is attached to nonincendive approval, Control Number 4008610.
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