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Related Manuals for BEKA BA524D
Summary of Contents for BEKA BA524D
- Page 1 BA524D loop-powered 4½ digit field mounting indicator Issue: 4 3rd December 2003...
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Page 2: Table Of Contents
6.2 Using the internal references 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 The BA524D is CE marked to show compliance with the European EMC Directive 89/336/EEC... -
Page 3: Description
Decimal points For 3 seconds. BA524 and BA524C. cycled The main application of the BA524D is to display a Input current Using calibration measured variable or control signal in a process display in information stored in area. -
Page 4: Applications
BA524D. Again it is neces- The BA524D enclosure is fitted with a bonding sary to ensure that the voltage capability of the... -
Page 5: Installation Procedure
4.2 Installation Procedure 4.3 EMC illustrates instrument installation The BA524D complies with the requirements of the procedure. European EMC Directive 89/336/EEC. specified immunity all wiring should be in screened a. Remove the instrument terminal cover by twisted pairs. unscrewing the two captive 'A' screws. -
Page 6: Programming And Calibration
5. PROGRAMMING & CALIBRATION All new BA524D indicators are supplied calibrated The BA524D is programmed and calibrated via as requested at the time of ordering. If calibration four push-buttons which are located behind the is not requested, the indicator will be set to display instrument control cover. - Page 7 See section 5.7.1 'rEF' Calibration of internal references The instrument contains two references representing a 4 and 20mA input. These enable the BA524D display to be calibrated without the need for an external calibrator, or disconnection from the 4/20mA supply. See SEt function.
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Page 8: Root Extractor
5.2 Root extractor: root pressing P will transfer control to the next digit. When all the digits have been adjusted, press E to This function is primarily intended for use with differential flowmeters which have a square law enter the new zero. The indicator will display 'Ent' for a few seconds while the information is being 4/20mA output. - Page 9 5.7 Conditioning sub-menu: Cond The accuracy of the internal references, and hence This sub-menu allows the mains (line) frequency at the display accuracy when using the SEt function, which the indicator has maximum ac rejection to be will depend upon the accuracy of the external selected and the two internal references to be current source.
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Page 11: Using An External Current Source
The following examples illustrate the two ways in the external switch connector. The security code which a BA524D indicator may be calibrated. override link is located on the inner row of five pins as shown in Fig 7. 6.1 Using an external current source The BA524D indicator is required to display: -50.0... -
Page 12: Position Of Decimal Point
Define function of P push-button 6.2 Using the internal references Select 'C--P' from the main menu and As in 7.1 the BA524D is required to display: press P to reveal the function of the P button in the display mode. -
Page 13: Maintenance
P. Using the Up and Down 7.1 Fault finding during commissioning push-buttons position dummy If a BA524D fails to function during commissioning decimal point in front of the least the following procedure should be followed: significant digit. Press E to return to the main menu. -
Page 14: Fault Finding After Commissioning
STARTING MAINTENANCE the enclosure reassembled. If after replacement of the display assembly the If a BA524D fails after it has been functioning instrument still does not function, it is likely that the correctly, the following table may help to identify fault is within the protection components on the the cause of the failure. -
Page 15: Accessories
BEKA associates adjustable setpoint, hysteresis, alarm delay and alarm accept. The BA524D can also be supplied with a blank or custom engraved stainless steel plate secured by two screws to the side of the instrument enclosure. This plate can accommodate: 8.2.1 Solid state output... -
Page 16: Programming And Adjustment
Adjusts the delay between the display equalling the setpoint and the alarm 8.2.2 Programming and adjustment output being activated. When an alarm card is added to a BA524D the See section 8.2.8 main programme menu is extended as shown in Fig 11. - Page 17 8.2.4 Setpoint adjustment: SP1 and SP2 8.2.3 Alarm enable: EnbL The setpoint of each alarm may be positioned This function allows the alarm to be enabled or anywhere between -19999 and 19999 providing disabled without altering any of the alarm this corresponds to an input current between 3.8 parameters.
- Page 18 8.2.5 Alarm function: HI.LO 8.2.8 Alarm delay: dELA Each alarm can be conditioned as a high or low This function enables activation of the alarm output alarm. To check or change the alarm function to be delayed for a fixed time following the alarm select 'HI.LO' from the alarm menu and press P to condition occurring.
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Page 19: Adjusting Alarm Setpoints From
8.2.10 Access Setpoint: AcSP code to be entered digit by digit using the Up and Down buttons to change the flashing digit, and the This function controls a separate menu which provides direct access to the alarm setpoints when P push-button to move to the next digit. If the the indicator is in the display mode. -
Page 20: Calibration Using An External Current Source
8.3 Lineariser incremental volumes and calibrating the indicator The indicator can be supplied with a sixteen point to display the sum of the increments at each lineariser which may be adjusted to compensate for break-point. almost any non linear variable. For example, a level signal from a horizontal cylindrical tank may be linearised by the indicator to display the tank The number of break-points required should first be... -
Page 22: Current Source
The selected break-point can be changed using the Display Description of function Up and Down buttons. When the required break-point has been selected press P. Set the 'InPut' Defines current which indicator input current to the exact value at which break-point occurs the break-point is to occur, and adjust the indicator Enables the required current at each... -
Page 23: Tare Function
8.7 Pipe mounting kits Two pipe mounting kits are available for securing the BA524D to a horizontal or vertical pipe. 8.5 Display backlight BA524D supplied with...
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