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Issue:  2

4

th

 May 2017

BA507E-SS & BA527E-SS 

Rugged general purpose

loop-powered 

panel mounting indicators

Issue 2

Содержание BA507E-SS

Страница 1: ...Issue 2 4th May 2017 BA507E SS BA527E SS Rugged general purpose loop powered panel mounting indicators Issue 2...

Страница 2: ...ints 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 Routi...

Страница 3: ...be impacted The zero and span of the display are independently adjustable so that the indicator can be calibrated to display any variable represented by the 4 20mA input current e g temperature flow...

Страница 4: ...s in display mode function has been enabled P E Access to configuration menu via optional security code Note BA527E SS only If the indicator has been calibrated using the CAL function calibration poin...

Страница 5: ...b Inspect the indicator s captive gasket and ensure that it is not damaged before inserting the indicator into the panel enclosure aperture c If the enclosure panel is less than 1 0mm thick or is non...

Страница 6: ...he panel enclosure in which it is mounted New indicators are supplied with a printed scale card showing the requested units of measurement if this information is not supplied when the indicator is ord...

Страница 7: ...the self adhesive printed scale card onto the flexible strip and insert the strip into the indicator as shown below Fig 7 Inserting flexible strip carrying scale card into slot at the rear of indicat...

Страница 8: ...Function FunC Std Std Display at 4mA Zero 0 0 0 00 Display at 20mA SPAn 100 0 100 00 Resolution rESn 1 digit 1 digit Bargraph start BarLo 0 00 Bargraph finish BarHi 100 00 P button in display mode C...

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Страница 10: ...lineariser To reveal the existing indicator function select FunC from the configuration menu and press P If the function is set as required press E to return to the menu or press the or button to cha...

Страница 11: ...A If these conditions are not complied with the indicator displays FaiL and aborts the calibration c If the zero current is greater than the span current the instrument will be reverse acting i e an i...

Страница 12: ...between on and oFF When set as required press E to return to the tARE prompt in the configuration menu 5 10 Security code CodE Access to the instrument configuration menu may be protected by a four di...

Страница 13: ...ct 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 direct c...

Страница 14: ...14...

Страница 15: ...wing 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...

Страница 16: ...e corresponding indicator display at each of the break points can now be defined using the diSP sub function Using the and buttons select the diSP sub function and press P which will reveal the starti...

Страница 17: ...tion 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 disconnected the 4 20m...

Страница 18: ...ut may be independently conditioned as a high or low alarm with a normally open or normally closed output in the non alarm condition When the 4 20mA current powering the indicator is removed both alar...

Страница 19: ...19...

Страница 20: ...SP1 Alarm setpoint 1 Adjusts the alarm setpoint 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...

Страница 21: ...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 P...

Страница 22: ...g 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 direct set...

Страница 23: ...ayed 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 16 Fig 16 Displayed value and setpoints on bargraph The bargraph ar...

Страница 24: ...17 Terminals for optional backlight 8 4 1 Loop powering the backlight The backlight is loop powered by connecting it in series with the indicator 4 20mA input as shown in Fig 18 which increases the ma...

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