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2

1.

Description

2.

Operation

2.1

Controls

3.

Application

3.1

Transmitter loops

3.2

Remote indication

4.

Installation

4.1

Location

4.2

Installation procedure

4.3

EMC

5.

Programming and Calibration

5.1

Summary of programmable functions

5.2

Root extractor

5.3

Resolution

5.4

Position of decimal point

5.5

Calibration using an external current
source.

5.6

Calibration using internal references

5.7

Conditioning sub-menu
5.7.1

AC rejection

5.7.2

Calibration of internal
references.

5.8

Function of the 

P

 push-button

5.9

Security code

5.10 Over and under-range

6.

Calibration Example

6.1

Using an external current source

6.2

Using the internal calibrator

7.

Maintenance

7.1

Fault finding during commissioning

7.2

Fault finding after commissioning

7.3

Servicing

7.4

Routine maintenance

7.5

Guarantee

7.6

Customer comments

8.

Accessories

8.1

Scale card

8.2

Tag strip

8.3

Alarms
8.3.1

Solid state output

8.3.2

Programming and adjustment

8.3.3

Alarm enable

8.3.4

Setpoint adjustment

8.3.5

Alarm function

8.3.6

Alarm output status

8.3.7

Hysteresis

8.3.8

Alarm delay

8.3.9

Alarm silence time

8.3.10 Access setpoint
8.3.11 Adjusting alarm setpoints from

display mode.

8.4

Lineariser
8.4.1

Calibration using an external
source.

8.4.2

Calibration using internal
references.

8.5

Tare function

8.6

Display backlight

CONTENTS

The BA527C and BA528C indicators are CE marked to

show compliance with the European EMC Directive 2004/108/EC

Summary of Contents for BA527C

Page 1: ...Issue 3 5th March 2009 BA527C BA528C loop powered 4 digit panel mounting indicators Issue 3...

Page 2: ...urce 6 2 Using the internal calibrator 7 Maintenance 7 1 Fault finding during commissioning 7 2 Fault finding after commissioning 7 3 Servicing 7 4 Routine maintenance 7 5 Guarantee 7 6 Customer comme...

Page 3: ...o the 4 20mA input current provides the input signal for the analogue to digital converter Fig 1 Simplified block diagram Each time a 4 20mA current is applied to the instrument initialisation is perf...

Page 4: ...any 4 20mA signal to provide a remote indication Fig 3 shows a typical application in which the output from a gas analyser drives a BA527C or BA528C indicator Again it is necessary to ensure that the...

Page 5: ...trument and tighten until the indicator is secure as shown in Fig 5 Four clips are required to achieve an IP65 between a BA528C and the instrument panel Fig 4B BA528C dimensions c Connect the panel wi...

Page 6: ...this manual push buttons are shown in italics e g P or Up push button and legends displayed by the indicator are shown within inverted commas e g CAL and ALr2 Access to the programme menu is obtained...

Page 7: ...0mA loop See section 5 6 Display Description of function Cond Indicator conditioning This function provides access to a sub menu enabling the internal references to be calibrated and the mains line fr...

Page 8: ...8...

Page 9: ...adjusted press E to enter the new zero The indicator will display Ent for a few seconds while the information is being stored in memory and will then return to the ZErO prompt To adjust the display at...

Page 10: ...alibrator to 20 000mA and again press P The indicator will display Ent when the 20mA reference has been updated and will then return to the 020A prompt Two operations of the E button will return the i...

Page 11: ...requency of the mains supply is 50Hz and the existing security code is 1209 In the operating mode the indicator is required to display the input current as a percentage of span when the P push button...

Page 12: ...ain menu Step 8 Return to the display mode Return to the display mode by pressing E 6 2 Using the internal calibrator As in 6 1 the BA527C is required to display 50 0 with a 4mA input 1050 0 with a 20...

Page 13: ...ing If a BA527C or BA528C fails to function during commissioning the following procedure should be followed Symptom Cause Solution No display Incorrect There should be 1V wiring between terminals 1 3...

Page 14: ...d 7 6 Customer comments BEKA associates is always pleased to receive comments from customers about our products and services All communications are acknowledged and whenever possible suggestions are i...

Page 15: ...application of alarms Summary of programmable alarm functions Display Description of function EnbL Alarm enable Enables or disables the alarm function without changing the alarm parameters See section...

Page 16: ...y pressing the Up or Down button followed by the E button to return to the alarm menu 8 3 7 Hysteresis HStr During programming hysteresis is shown in the units the indicator has been calibrated to dis...

Page 17: ...security code allowing direct access to the setpoints by pressing the P and Up buttons simultaneously New instruments with alarms are supplied with this function disabled and the security code set to...

Page 18: ...18 Fig 12 Alarm programme menu...

Page 19: ...these functions the indicator initially displays the current break point and the total number of break points being used e g 5 13 current total number of break point break points Add Add a break point...

Page 20: ...ak points Each subsequent operation of the P push button will introduce an additional break point When adding a break point to a calibrated indicator the insertion position can be selected using the U...

Page 21: ...21...

Page 22: ...tivated The tare function allows an operator to quickly zero the indicator display at any input current so that subsequent readings only show the change in input since the P push button was operated W...

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