BEKA BA504G Manual Download Page 1

Page: 1 / 27

Issue: 5

11th September 2018

BA504G, BA504G-SS

BA524G and BA524G-SS

general purpose

loop-powered

field mounting indicators

Issue 5

Summary of Contents for BA504G

Page 1: ...Issue 5 11th September 2018 BA504G BA504G SS BA524G and BA524G SS general purpose loop powered field mounting indicators Issue 5...

Page 2: ...oints to a new indicator 6 3 Under and over range 6 4 Lineariser default configuration 7 Maintenance 7 1 Fault finding during commissioning 7 2 Fault finding after commissioning 7 3 Servicing 7 4 Rout...

Page 3: ...the indicator can be calibrated to display any variable represented by the 4 20mA current e g temperature flow pressure or level The BA504G BA504G SS BA524G and the BA524G SS are not certified for use...

Page 4: ...nction has been enabled Provides access to the configuration menu via optional security code Note BA524G and BA524G SS only If the indicator has been calibrated using the CAL function calibration poin...

Page 5: ...ting cable screens If field wiring is to be terminated prior to the installation of the indicator assembly the GRP models BA504G and BA524G can be supplied with an optional back box terminal assembly...

Page 6: ...uropean EMC Directive 2014 30 EU For specified immunity all wiring should be in screened twisted pairs with the screens earthed at one point An insulated stud is included in the indicator back box for...

Page 7: ...r or a permanent marker Custom printed scale cards are available from BEKA associates as an accessory To remove the scale card from an indicator carefully pull the transparent tab at the rear of the i...

Page 8: ...G BA524G BA504G SS BA524G SS Access code CodE 0000 0000 Function FunC Linear Linear Display at 4mA 2ero 0 0 0 00 Display at 20mA 5PAn 100 0 100 00 Resolution rE5n 1 digit 1 digit Bargraph start BarLo...

Page 9: ...ay mode See section 5 9 CodE Security code Defines a four digit numeric code that must be entered to gain access to the configuration menu Default code 0000 disables this security function and allows...

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Page 11: ...not required it should be positioned beyond the most or least significant digit When positioned as required press the button to enter the selection and return to the configuration menu 5 5 Calibratio...

Page 12: ...e indicator s digital display at which the bargraph starts is defined by the bArLo sub function which is selected by pressing the button followed by the button which will reveal the current indicator...

Page 13: ...ctions 5 0 and 6 4 To reset the indicator or lineariser select r5Et from the configuration menu and press the indicator will display one of the reset options ConF or LtAb ConF Resets the indicator to...

Page 14: ...ows direct calibration of the lineariser with an external current source and is the preferred method when traceability is required If the exact system non linearity is unknown this method also allows...

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Page 16: ...g break point 6 1 1 Example Adding break points to a new indicator When adding break points to a new indicator or to a lineariser following resetting to the factory defaults using the LtAb function de...

Page 17: ...ssing the button The corresponding indicator display at each of the break points can now be defined using the di5P sub function Using the or button select the di5P sub function and press which will re...

Page 18: ...procedure shown in section 7 1 If this does not reveal the cause of the fault it is recommended that the instrument is replaced This can be done without disconnecting power but while the indicator is...

Page 19: ...e loop or separately powered When loop powered the backlight produces green background illumination enabling the display to be read at night or in poor lighting conditions No additional power supply o...

Page 20: ...l is activated and if required the numerical display can alternate between the measured value and the alarm channel identification ALr1 or ALr2 CAUTION The alarms are activated by the indicator s nume...

Page 21: ...21 Fig 15 Typical alarm application Shown without recommended screened cables...

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Page 23: ...tpoint The alarm is activated when the indicator display equals the setpoint See section 8 3 4 Hi Lo Alarm function Defines the alarm function as High or Low See section 8 3 5 no nC Normally open or n...

Page 24: ...or fail safe operation both alarm outputs should be conditioned to be open in the alarm condition nC To check or change the alarm output status select no nC from the alarm configuration menu and press...

Page 25: ...out having access to the indicator configuration menu Protection against accidental adjustment of the setpoints when the indicator is in the display mode is provided by a separate security code This d...

Page 26: ...oint 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 Fig 18 Displayed value and setpoints on bargr...

Page 27: ...SS stainless steel indicator to be mounted into a panel aperture The kit provides an IP66 seal between the indicator and the instrument panel it is therefore suitable for mounting a stainless steel i...