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Issue:  3

    7

th

 April 2009

BA544D

Battery powered

pulse input

field mounting

rate totaliser

Issue 3

Summary of Contents for BA544D

Page 1: ...Issue 3 7th April 2009 BA544D Battery powered pulse input field mounting rate totaliser Issue 3...

Page 2: ...total 5 15 Security code 6 Calibration Example 6 1 Calibration procedure 7 Maintenance 7 1 Fault finding during commissioning 7 2 Fault finding after commissioning 7 3 Servicing 7 4 Routine maintenanc...

Page 3: ...further extend the applications of this instrument The BA544D contains an internal replaceable battery that will power the instrument for up to five years Battery life depends upon how the BA544D is p...

Page 4: ...ue to operate for about five hundred hours after the annunciator is activated but the exact time will depend upon how the instrument is programmed whether alarms are fitted and the input frequency Dur...

Page 5: ...ater treatment installations Please consult BEKA associates if high vibration is anticipated The BA544D enclosure is surface mounting Accessory kits described in sections 8 4 8 5 of this manual enable...

Page 6: ...one point Fig 4 Dimensions and terminal connections 4 4 Installing a replacement battery The internal battery will power the BA544D rate totaliser for about five years the exact time depends upon how...

Page 7: ...by moving the slide switch to the left see Figs 3 4 c Remove the four D screws and lift off the front of the enclosure d Remove the two E screws securing the BA491 battery and gently pull the battery...

Page 8: ...ond minute or hour Similarly to calculate the total flow in the required units of measurement the number of input pulses is divided by the total scale factor SCALE t Total flow is continuously added t...

Page 9: ...9...

Page 10: ...section 5 6 dISPLAY 2 Lower display Turns the lower display which normally shows rate on or off See section 5 7 Display Description of function SCALE r Rate Scale Factor Defines the arithmetic relatio...

Page 11: ...ype select InPut from the menu and press P which will reveal the current input type Pressing Up or Down will scroll through the four options UOLts Voltage pulse input Threshold 1V and 3V 10kHz max Inp...

Page 12: ...int position and simultaneously press the Up and Down buttons When the required rate scale factor has been entered press E to store the number and return to the main menu 5 9 Timebase t bASE The timeb...

Page 13: ...he total scale factor the total and grand total displays will be reset to zero To position the decimal point in the scale factor move the flashing digit to the left hand side of the required decimal p...

Page 14: ...ed before access to the programme menu is granted New instruments are programmed with the default security code 0000 which allows unrestricted access to all programming functions without entering a se...

Page 15: ...Select the type of input Using the Up or Down button scroll through the main menu until InPut is displayed then press P to reveal the existing setting Select COIL the input for a magnetic pick off usi...

Page 16: ...A544D is required to display 1 cubic metre for every 105 x 1 000 pulses received SCALE t should therefore be set to 105 000 Select SCALE t from the main menu and press P which will reveal the current...

Page 17: ...rument to the CLr Gtot prompt in the main menu Step 12 Define the security code Defining a security code prevents unauthorised access to the programme functions Select COdE from the main menu and pres...

Page 18: ...fter it has been functioning correctly the following table may help Symptom Cause Check No display Instrument has been switched OFF If BA544D has been switched OFF for extended period battery may need...

Page 19: ...d not be used for critical safety applications such as a shut down system When the battery is exhausted both BA544D alarm outputs will open irrespective of whether normally open or normally closed out...

Page 20: ...of alarm Defines whether the alarm operates on the rate or total display See section 8 2 4 SPr1 Alarm setpoint 1 or Adjusts the alarm setpoint The SPt1 alarm is activated when the rate or total displa...

Page 21: ...rn to the alarm menu 8 2 4 Type of alarm tYPE Alarm 1 and Alarm 2 may both be rate or total alarms or one may be conditioned for rate and the other for total To check or change the type of alarm selec...

Page 22: ...s select HStr from the alarm menu and press P which will reveal the existing figure Each digit can be adjusted using the Up and Down push buttons and the P button to move to the next digit When the re...

Page 23: ...o the setpoints in the display mode by pressing the P and Up buttons simultaneously New instruments with alarms are supplied with the security code set to 0000 8 2 12 Adjusting alarm setpoints from th...

Page 24: ...mounting kits are available for securing the BA544D to a horizontal or vertical pipe BA392D Stainless steel bracket secured by two worm drive hose clips for 60 to 80mm outside diameter pipes BA393 He...

Page 25: ...Y 2 5 7 d P 5 6 EnbL 8 2 2 8 2 3 Fault finding during commissioning 7 1 after commissioning 7 2 FILtEr 5 10 Flow indicator 2 2 Grand total 2 2 clear 5 14 Guarantee 7 5 HI LO 8 2 2 8 2 6 HStr 8 2 2 8 2...

Page 26: ...t is switched on When a replacement battery is fitted or when the rate totaliser is turned on after not being used for an extended period the battery should be conditioned by drawing a relatively larg...

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