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8.2.3   Alarm enable:  ‘EnbL’

This function allows the alarm to be enabled
or disabled without altering any of the alarm
parameters.  To check or change the function
select 'EnbL' from the alarm menu and press

P

 which will reveal the current setting.  The

function can be changed by pressing the 

Up

or 

Down

 button followed by the 

E

 button to

return 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, select
'tYPE' from the alarm menu and press 

P

 which

will reveal the current setting.  The function can
be changed by pressing the 

Up

 or 

Down

 button

followed by the 

E

 button to return to the alarm

menu.

Note:

  To prevent accidental conditioning the

alarm must be re-enabled after the alarm type
has been changed – see 8.2.3.

Fig 11  Alarm menu structure

Содержание BA544D

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 9: ...9...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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