BEKA BA367E-SS Manual Download

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Summary of Contents for BA367E-SS

Page 1: ...Issue 6 9th July 2019 BA367E SS Rugged one input Intrinsically safe Counter Issue 6 ...

Page 2: ...ation 5 2 Installation procedure 5 3 EMC 5 4 Counter earthing 5 5 Scale card 6 Configuration and Calibration 6 1 Configuration structure 6 2 Accessing the configuration functions 6 3 Summary of configuration functions 6 4 Input inPut 6 5 Input type inP tYPE 6 6 Input debounce dEbouncE 6 7 Input pulse counting edge Cnt EdgE 6 8 Display update interval uPdAtE 6 9 Upper display di5P 1 6 10 Lower disp...

Page 3: ...put 9 4 1 Intrinsic safety 9 4 2 System design 9 4 3 Configuration 9 4 4 Access Pulse output sub menu PuL5E oP 9 4 5 Enable pulse output EnbL 9 4 6 Source of pulse output 5ourCE 9 4 7 Divide output pulse frequency diVidE 9 4 8 Output pulse width durAtion 9 5 4 20mA output 9 5 1 Intrinsic safety 9 5 2 System design 9 5 3 Configuration 9 5 4 Access 4 20mA output sub menu 4 20 oP 9 5 5 Enable 4 20mA ...

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Page 5: ...tive 2014 34 EU It has a rugged stainless steel enclosure and an impact resistant glass window In addition to normal intrinsically safe applications the certification allows it to be installed in an Ex e Ex n Ex p or Ex t panel enclosure without invalidating the enclosure s certification For international applications the BA367E SS also has IECEx certification which is described in Appendix 2 For ...

Page 6: ...the display to Clr YE5 the button will then reset the grand total to zero which will be confirmed by a brief display of Gt Clrd See 6 20 Shows firmware version Note When optional alarms are fitted the BA367E SS Counter may be configured to provide direct access to the alarm setpoints from the display mode when the and buttons are operated simultaneously See 9 3 13 and 9 3 14 2 3 Displays The BA367...

Page 7: ...s air mixture likely to occur in normal operation Zone 2 explosive gas air mixture not likely to occur and if it does will only exist for a short time Be used with gases in groups Group A propane Group B ethylene Group C hydrogen Having a temperature classification of T1 450 C T2 300 C T3 200 C T4 135 C T5 100 C At ambient temperatures between 40 to 60o C When installed as an intrinsically safe Ex...

Page 8: ...g link fitting Safety parameters Type of input Link 3 4 Uo Io Po Switch contact Yes 10 5V 8 2mA 25mW Proximity detector Yes 10 5V 8 2mA 25mW Open collector Yes 10 5V 8 2mA 25mW Magnetic pick off No 1V 11µA 3µW Voltage input low No 1V 11µA 3µW Voltage input high No 1V 11µA 3µW 3 5 1 Sensors that do not require energising Magnetic pick offs and voltage pulse inputs do not require energising see sect...

Page 9: ...han one second These two terminals have the following input and output safety parameters Uo 3 8V dc Io 1 6mA dc Po 2 0mW Ui 28V dc Ii 200mA dc Pi 0 84W The equivalent capacitance and inductance between them is Ci 0nF Li 0 H The maximum capacitance and inductance that may be safely connected between the reset terminals RS1 and RS2 is Co 40µF Lo 1H The Counter s total display may be reset from withi...

Page 10: ...g 2 BA367E SS used with Zener barriers Alternatively the pulse input source may be located in the safe area Fig 3 shows how an additional Zener barrier is used to transfer the signal to the Counter in the hazardous area When more than one Zener barrier is used in a system all must have the same polarity i e all positive or all negative barriers When designing a system it is important to remember t...

Page 11: ...ector is less than 7 5V See section 6 6 for details of the maximum counting frequency 4 1 5 Open collector input Most open collector sensors located in the same hazardous area as the BA367E SS Counter may be directly connected to pulse input terminals 5 6 providing the sensor and associated wiring can withstand a 500V rms insulation test to earth See section 6 6 for details of the maximum counting...

Page 12: ...o not require a high integrity earth connection Any certified galvanic isolator with output parameters less than the input parameters of the BA367E SS having the correct function may be used Fig 4 BA367E SS protected by galvanic isolators Fig 4 illustrates the basic circuit that is used for all BA367E SS Counter installations protected by galvanic isolators For simplicity connections for the optio...

Page 13: ...an 7 5V See section 6 6 for details of the maximum counting frequency 4 2 5 Open collector input Most open collector sensors located in the same hazardous area as the BA367E SS Counter may be directly connected to the pulse input terminals 5 6 providing the sensor and associated wiring can withstand a 500V rms insulation test to earth This includes most sensor optoisolators See section 6 6 for det...

Page 14: ...EX EC Type Examination Certificate allows the Counter to be installed in an Ex e IIC Gb increased safety panel enclosure located in Zone 1 or 2 or in an Ex p IIC Gb pressurised panel enclosure located in a Zone 1 or 2 hazardous area The BA367E SS may also be installed in an Ex n enclosure located in Zone 2 When installed in a certified panel enclosure the BA367E SS Counter remains intrinsically sa...

Page 15: ...n as the front of the Counter complies with Ex p impact and ingress requirements Although mounted in an Ex p panel enclosure the BA367E SS remains Group II Category 1G Ex ia IIC T5 Ga intrinsically safe apparatus and must therefore be powered via a Zener barrier or galvanic isolator as described in section 4 1 and 4 2 of this manual to ensure that the instrument s front panel push button switches ...

Page 16: ... captive gasket and ensure that it is not damaged before inserting the Counter into the panel enclosure aperture c If the enclosure panel is less than 1 0mm thick or is non metallic an optional BEKA stainless steel support plate should be slid over the rear of the Counter before the panel clamps are fitted to evenly distribute the clamping force and prevent the enclosure panel being distorted or c...

Page 17: ...ng the requested units of measurement if this information is not supplied when the instrument is ordered a blank card will be fitted A pack of self adhesive scale cards printed with common units of flow measurement is available as an accessory from BEKA associates Custom printed scale cards can also be supplied To change a scale card unclip the tapered end of the flexible strip at the rear of the ...

Page 18: ... uP or dn uP Clear value clr val 00000000 Local clear Local total reset Clr tot oFF Local grand total reset Clr Gtot oFF Security code CodE 0000 Note While the instrument is being configured counting continues so that any input pulses occurring during this time are recorded 6 1 Configuration structure Fig 12 shows the configuration structure of the BA367E SS Counter The pulse input is passed to th...

Page 19: ... by 5AVE while the new information is stored in permanent memory If after accessing the configuration menu the interval between operating any front panel push button exceeds one minute the BA367E SS will automatically return to the display mode and any configuration changes will not be stored in permanent memory When making changes to multiple configuration functions it is therefore sensible to oc...

Page 20: ...gineering units 5CALE r may be adjusted between 0 0001 and 99999 e g if one pulse represents 2 pump strokes and the rate display is required in pump strokes 5CALE r should be set to 2 0 The rate display is independent of the total display See section 6 13 Display Summary of function t bA5E Timebase Selectable multiplier allowing rate to be displayed in units per second per minute or per hour Selec...

Page 21: ...tal can not be restored See section 6 20 Clr Gtot Resets grand total to zero from within configuration menu This function resets the grand total to zero from within the configuration menu when CLr YE5 is selected Note Once reset the grand total can not be recovered See section 6 21 Display Summary of function CodE Access code Defines a four digit alphanumeric code that must be entered to gain acce...

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Page 24: ...ut miscounting when the input pulse has noisy edges such as those resulting from a mechanical contact closing and bouncing Three levels of protection may be selected The amount of debounce applied depends upon the type of Counter input that has been selected in the inP tYPE function Select inPut in the configuration menu and press which will reveal the inP tYPE prompt press the or button to select...

Page 25: ...return to the configuration menu 6 10 Lower display di5P 2 This function turns the lower display on or off When turned off the BA368E will only have one eight digit display which may be configured in the di5P 1 function to show the total count or rate To check the setting for the lower display select di5P 2 from the configuration menu and press that will reveal if the lower display is on or oFF Th...

Page 26: ...e counts per unit of time The unit of time is the timebase of the instrument which is determined by t bA5E described in section 6 14 To check or change the rate scale factor select 5CALE r from the configuration menu and press which will reveal the existing value with one digit flashing The value of the flashing digit may be adjusted by pressing the or button When this digit has been adjusted as r...

Page 27: ... uP or dn This function defines whether input pulses increment or decrement the total display i e whether the BA367E SS is an up counter or a down counter When configured as a down counter with a non zero number entered for the reset value CLr VAL the BA367E SS will count down from the reset value to zero To check or change the count direction select uP or dn from the configuration menu and press ...

Page 28: ...n to the LoC CLr prompt in the configuration menu Note Once reset the grand total can not be recovered 6 21 Reset grand total from configuration menu Clr Gtot The grand total is a separate sixteen digit counter which is incremented or decremented in parallel with the total display but is not reset when the total display is reset The grand total may be viewed in the display mode in two eight digit ...

Page 29: ...rokes that a reciprocating pump makes in thousands of strokes on the larger upper display and to show the speed of pumping in strokes per hour on the lower display The stroke sensor is a proximity detector which produces four pulses per stroke The total display is only to be resettable by an external contact not from the BA367E SS Counter front panel Similarly the grand total is not to be resettab...

Page 30: ...xample the proximity detector produce four pulses per pump stroke The BA367E SS is required to display thousands of pump strokes therefore the total scale factor 5CALE t should be set to 4 x 1000 4000 Select 5CALE t from the configuration menu and press to view the current value with one digit flashing Use the or button to adjust the flashing digit and the button to transfer control to the next di...

Page 31: ...ion menu and press which will reveal the existing security code with the first digit flashing Enter the new code 1209 using the or button to adjust the flashing digit and the button to transfer control to the next digit When the new code has been entered press to return to the configuration menu Step 12 Return to the display mode Following completion of configuration return the BA367E SS to the di...

Page 32: ...oth alarms 8 2 Fault finding after commissioning ENSURE PLANT SAFETY BEFORE STARTING MAINTENANCE Live maintenance is permitted on intrinsically safe equipment installed in a hazardous area but only certified test equipment should be used unless a gas clearance certificate is available If a BA367E SS Counter fails after it has been functioning correctly the following table may help to identify the ...

Page 33: ...ctions for each alarm include adjustable setpoint alarm delay time and alarm silence time Hysteresis may be applied to rate alarms WARNING Alarm outputs should not be used for critical safety applications such as a shut down system When the BA367E SS power supply is turned off or disconnected alarm outputs will open irrespective of whether normally open or normally closed outputs have been selecte...

Page 34: ...hanging the alarm parameters See section 9 3 4 tYPE Type of alarm Defines whether the alarm operates on the rate or total display See section 9 3 5 5P1r Alarm setpoint 1 or Adjusts the alarm setpoint The 5P1t alarm is activated when the rate or total display equals the setpoint Note 5P1r is displayed for a rate alarm and 5P1t for a total alarm See section 9 3 6 HI LO Alarm function Defines whether...

Page 35: ...arm sub menu 9 3 5 Type of alarm tYPE Alarm 1 and Alarm 2 are totally independent both may be rate or total alarms or one may be conditioned for rate and the other for total Using the or push button select tYPE from the selected alarm sub menu and press to check or change the function The or push button will toggle the selection between rAtE and totAL when set as required press the button to retur...

Page 36: ... which will reveal the existing hysteresis with one digit flashing The required hysteresis can be entered using the or push button to adjust the flashing digit and the button to transfer control to the next digit When set as required press to enter the value and return to the H5tr prompt in the alarm sub menu e g A BA367E SS Counter configured to display a rate of 0 to 5000 with a high alarm set a...

Page 37: ...Cd from the sub menu and press which will cause the BA367E SS Counter to display 0000 with one digit flashing The flashing digit may be adjusted using the and push buttons when set as required operating the button will transfer control to the next digit When all the digits have been adjusted press to return to the ACCd prompt The revised security code will be activated when the BA367E SS Counter i...

Page 38: ...e output is an optically isolated separate intrinsically safe circuit that has zero output safety parameters The output therefore complies with the requirements for simple apparatus This allows pulse output terminals P1 and P2 to be directly connected to any intrinsically safe circuit protected by a certified Zener barrier or galvanic isolator providing the output parameters do not exceed Uo 28V d...

Page 39: ... output from this counter as quickly as possible If the diVidE and durAtion functions are configured such that the output pulse frequency with the specified pulse width can not be output in real time the number of pulses will be stored and transmitted at the maximum possible speed When the total display is reset to zero or the power supply to the BA367E SS Counter is disconnected or turned off any...

Page 40: ...he total display the pulse width is defined by this function One of 11 pulse widths may be selected in milliseconds 0 1 0 5 1 2 5 5 10 25 50 100 250 500 Using the or push button select durAtion in the pulse output sub menu and press to reveal the existing pulse duration The value can be changed by pressing the or push button to select the required value followed by the button to return to durAtion...

Page 41: ... loop powered transmitter input The 4 20mA current may be transferred to the safe area via a galvanic isolator or Zener barriers Fig 20 shows how a 2 channel Zener barrier may be used to power the 4 20mA current output from the safe area alternatively a galvanic isolator may be used Fig 20 Application of 4 20mA output 9 5 3 Configuration When a BA367E SS Counter is supplied with an optional 4 20mA...

Page 42: ...veal the existing rate or total display with one digit flashing The required display can be entered using the or push button to adjust the flashing digit and the button to transfer control to the next digit When set as required press to enter the value and return to the 4 000 prompt in the 4 20mA output sub menu 9 5 8 Display which corresponds to 20mA output 20 000 The BA367E SS Counter display wh...

Page 43: ...stible dust in air is likely to occur occasionally in normal operation Zone 22 explosive atmosphere in the form of a cloud of combustible dust in air is not likely to occur in normal operation but if it does occur will only persist for a short period Be used with dust in subdivisions IIIA combustible flyings IIIB non conductive dust IIIC conductive dust For use with IIIC conductive dusts special c...

Page 44: ...tably certified may be mounted in the same Ex tc panel enclosure as the Counter for Zone 22 applications providing the surface temperature of the enclosure is not exceeded The Counter terminals the wiring to the Counter and the intrinsically safe interface if mounted within the enclosure should be segregated from all other non intrinsically safe wiring and equipment within the panel enclosure as r...

Page 45: ...the main section of this manual and both refer to the same standards Therefore the ATEX installation requirements specified in section 5 and Appendix 1 of this manual may be used for IECEx installations but the local code of practice should also be consulted A2 3 Special conditions for safe use The IECEx intrinsic safety certificate number has an X suffix indicating that for some applications spec...

Page 46: ...nual may therefore also be used for US and Canadian installations subject to compliance with local codes of practice ETL and cETL intrinsic safety codes CL I Div 1 Groups A B C D T5 US IS gas Div cert CL II Div 1 Groups E F G CL III US IS dust Div cert Class I Zone 0 AEx ia IIC T5 Ga US IS gas Zone cert Zone 20 AEx ia IIIC T80ºC Da US IS dust Zone cert Ex ia IIC T5 Ga Canadian IS gas Zone cert Ex ...

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