BEKA BA564G, Manual

Page 1: ...Issue 5 9th July 2019 BA564G Two Input General Purpose Counter Issue 5 ...

Page 2: ...ng edge cntedg b 5 12 Display update interval update 5 13 Counting function count 5 14 Upper display di5p 1 5 15 Lower display di5p 2 5 16 Position of decimal points dp 5 17 Total scale factor 5cale t 5 18 Rate scale factor 5cale r 5 19 Timebase t ba5e 5 20 Display filter filter 5 21 Direction of count up or dn 5 22 Reset value clr val 5 23 Local reset loc clr 5 24 Local total reset clr tot 5 25 L...

Page 3: ... alarm type 9 4 5 Setpoint adjustment 5p1x 9 4 6 Alarm function hi lo 9 4 7 Alarm output status ni nc 9 4 8 Hysteresis h5tr 9 4 9 Alarm delay dela 9 4 10 Alarm silence time 5il 9 4 11 Flash display when alarm occurs fl5h 9 4 12 Access setpoint ac5p 9 4 13 Adjusting alarm setpoints from display mode 9 5 4 20mA output 9 5 1 System design 9 5 2 Configuration and calibration 9 5 3 Access 4 20mA output...

Page 4: ...ure decoder The optically isolated pulse output may be configured to synchronously retransmit either of the two pulse inputs or a scaled output when the least significant digit of the total display is incremented This instruction manual supplements the abbreviated instruction sheet supplied with each instrument 2 OPERATION Fig 1 shows a simplified block diagram of the BA564G Counter The instrument...

Page 5: ... optional pulse output See 5 24 Shows in succession firmware version number instrument function 2ch cntr and any output accessories that are fitted A Dual alarm outputs P Pulse output always fitted C 4 20mA output Access to configuration menu Note When optional alarms are fitted the BA564G Counter may be configured to provide direct access to the alarm setpoints from the display mode when the and ...

Page 6: ...ds shown in the following table Input transducer Switching thresholds Lower Upper Open collector 2kΩ 10kΩ Voltage pulse low 1 0V 3 0V Voltage pulse high 3 0V 10 0V Magnetic pick off 0mV 40mV peak Proximity detector 1 2mA 2 1mA Switch 100Ω 1000Ω Switch contact proximity detector and open collector sensors require energising to determine their state which is achieved by linking Counter terminals 3 a...

Page 7: ...able in the BA564G Counters configuration menu VoLt5 L and VoLt5 H The BA564G contains a configurable debounce circuit to prevent false triggering See sections 5 6 and 5 9 3 3 Remote reset The BA564G Counter s total display may be remotely reset by connecting terminals RS1 and RS2 together Permanent interconnection inhibits counting Remote resetting may be accomplished by any switch contact The BA...

Page 8: ...rnatively the BA564G Counter may be pipe or panel mounted using a BA393G pipe mounting kit or a BA394 or BA395 panel mounting kit which are available as accessories 4 2 Installation Procedure Fig 3 illustrates the instrument installation procedure A Remove the Counter assembly by unscrewing the four captive A screws B Mount the enclosure back box on a flat surface and secure with screws or bolts t...

Page 9: ...ent is ordered a blank scale card will be fitted which can easily be marked on site with a dry transfer or a permanent marker Custom printed scale cards are available from BEKA associates as an accessory To remove the scale card from a Counter carefully pull the transparent tab at the rear of the instrument assembly away from the assembly as shown in Fig 5a Fig 5a Removing scale card To replace th...

Page 10: ...r value clr val 00000000 Local clear loc clr 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 5 1 Calibration structure Fig 6 shows the calibration structure of the BA564G Counter The two pulse inputs are processed by the count ...

Page 11: ...y If after accessing the configuration menu the interval between operating any front panel push button exceeds one minute the BA564G 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 occasionally return to the display mode to save the changes that hav...

Page 12: ...n di5P 2 Lower display Turns the lower display which normally shows rate on or oFF See section 5 15 dP Position of decimal points Defines the position of the decimal point in both the total and rate displays See section 5 16 5CALE t Total Scale Factor 5CALE t is a dividing factor that converts the pulse output from arithmetic Count function into the required total display in engineering units 5CAL...

Page 13: ...cal total reset When on is selected total display is reset when and buttons are operated simultaneously for more than 3 seconds in the display mode See section 5 24 Clr Gtot Local grand total reset When on is selected the grand total may be reset when and buttons are operated simultaneously for more than 10 seconds in the display mode see section 2 2 for details Note Once reset the grand total can...

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Page 16: ...ch as those resulting from a mechanical contact closing and bouncing The debounce function only applies to the input in which the function is located Three levels of protection may be independently selected for each input The amount of debounce applied depends upon the type of Counter input that has been selected for the input in the associated inP tYPE function Select inPut A in the configuration...

Page 17: ... which a count occurs to be selected It applies to input A for all counting modes except quadrature A rEL b To check or change the input A pulse edge on which the count occurs select CntEdG A from the configuration menu and press which will reveal EdGE 1 or EdGE 2 If required press the or button to change the setting followed by the button to return to the configuration menu EdGE 1 Type of input C...

Page 18: ...ionship between Inputs A and Input b The following four modes may be selected Display Input count mode A b Pulses at input A added to pulses at input b A b Pulses at input b subtracted from pulses at input A 1 A Con b Input b controls count direction of input A 1 Input b Input A Low Up counter High Down counter A rEL b Quadrature input with sensors electrically 90o apart 1 Note 1 The pulse output ...

Page 19: ...ional Alarm outputs Optional 4 20mA output 5 17 Total scale factor 5CALE t 5CALE t is a dividing factor adjustable between 0 0001 and 99999 that enables the total to be displayed in engineering units e g if one pulse from the arithmetic count function represents 1 centimetre of dispensed cable and the total display is required in metres 5CALE t should be set to 100 0 which is the number of centime...

Page 20: ...defines the amount of filtering applied to the display as shown below First digit Filter time constant Seconds 0X 0 1X 1 3 2X 4 3 3X 6 5 4X 8 7 5X 11 3 6X 15 7 7X 20 9 8X 25 2 9X 31 5 The second digit defines the deviation from the displayed rate at which the filter will be overridden and the rate display will move rapidly to the new value Second digit Magnitude of step change which will produce a...

Page 21: ...he and push buttons simultaneously for more than three seconds To check or change the setting select LoC CLr in the configuration menu and press which will reveal the Clr tot prompt operating again will show if the local total reset is on or oFF If set as required operate the button twice to return to the configuration menu or the or button to change the setting followed by the button twice to ent...

Page 22: ... is lost 5 28 Reset configuration to factory defaults r5Et dEF This function returns the BA564G Counter to the factory defaults shown in section 5 0 To prevent accidental use the request must be confirmed by entering 5urE before the configuration change will be executed Select r5Et dEF from the configuration menu and press the instrument will display 0000 with the first digit flashing To confirm t...

Page 23: ...cted to the Counter s positive supply terminal 1 When an output pulse occurs and the open collector output closes P2 is connected to P1 and the pulse current flows through resistor R1 The current flowing in the circuit is determined by R1 which should be chosen to limit the pulse output current to less than 10mA For a 24V supply R1 should be greater than 2 200Ω Fig 9 Generating voltage pulse outpu...

Page 24: ...t sub menu and press to reveal the existing pulse source The function can be changed by pressing the or push button followed by the button to return to 5ourCE prompt 6 6 Divide output pulse frequency diVidE When the output pulse is derived from the total display the output pulse frequency may be divided by 1 10 100 1000 10000 Using the or push button select diVidE in the pulse output sub menu and ...

Page 25: ... for a 2 wire proximity detector and then return to the inPut A prompt in the configuration menu by pressing Repeat for the second input inPut b Step 3 Select input count mode The two proximity detectors are positioned so their outputs are electrically 90 apart From this information in the quadrature input mode the BA564G Counter can sense the direction and angular movement of the wheel to which t...

Page 26: ...utton scroll through the three options and select tb 01 Return to the t bA5E prompt in the configuration menu by pressing Step 10 Adjust the rate display filter The rate display filter parameters should be adjusted experimentally after installation to provide a stable rate display with an acceptable step response During commissioning it is recommended that initially the second digit of the rate pa...

Page 27: ...If a BA564G Counter fails to function during commissioning the following procedure should be followed Symptom Cause Check No display No power supply or incorrect wiring Note Terminals 2 6 10 RS2 are interconnected within the instrument That there is between 10 and 30V on terminals 1 2 with terminal 1 positive Counter is receiving power but pulse input indicator not rotating No input pulses incorre...

Page 28: ...he cause of the fault it is recommended that the instrument is replaced 8 3 Servicing We recommend that faulty BA564G Counters are returned to BEKA associates or to your local BEKA agent for repair 8 4 Routine maintenance The mechanical and electrical condition of the instrument should be regularly checked Inspection frequency should be adjusted to suit the environmental conditions 8 5 Guarantee I...

Page 29: ...ont of the instrument is supplied loose with two fixing screws for securing it to the rear of the instrument s back box This plate can typically accommodate 1 row of 5 alphanumeric characters 10mm high or 1 row of 6 alphanumeric characters 7mm high or 2 rows of 10 alphanumeric characters 5mm high 9 3 Backlight The BA564G Counter can be supplied with a factory fitted backlight that produces green i...

Page 30: ...ay not detect a closed alarm output Fig 11 Equivalent circuit of each alarm output The solid state output of each alarm may be used to switch any circuit with parameters equal or less than V 30V dc I 200mA 9 4 2 Summary of configuration functions When a BA564G Counter is supplied with alarms the Counter configuration menu is extended as shown in Fig 12 Each alarm may be configured to operate on th...

Page 31: ...rm See section 9 4 10 FL5H Flash display when alarm occurs When enabled alternates the rate or total display between process value and alarm reference AL1 or AL2 when an alarm output is activated See section 9 4 11 AC5P Access setpoint Sub menu that enables direct access to the alarm setpoints from the display mode and defines a separate security code 31 ...

Page 32: ...arm sub menu 9 4 4 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 33: ...ich 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 BA564G Counter configured to display a rate of 0 to 5000 with a high alarm set at 4000...

Page 34: ... from the sub menu and press which will cause the BA564G Counter to display 0000 with one digit flashing The flashing digit may be adjusted using the or push button 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 BA564G Counter is returned...

Page 35: ...to move control to the next digit When the required setpoint has been entered pressing will return the display to the 5P1x or 5P2x prompt from which the other setpoint may be selected or the instrument may be returned to the display mode by pressing again Note Direct access to the alarm setpoints from the display mode is only available when the AC5P menu is enabled see section 9 4 12 35 ...

Page 36: ...ay 9 5 3 Access 4 20mA output sub menu 4 20 oP Access the BA564G Counter configuration menu as described in section 5 2 Using the and push buttons scroll though the menu until 4 20 oP is displayed pressing will then access the 4 20mA output sub menu which is shown in Fig 15 Fig 15 4 20mA output configuration sub menu 9 5 4 Enable 4 20mA output EnbL This function allows the 4 20mA output to be enab...

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Page 38: ...o 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 7 Display which corresponds to 20mA output 20 000 The BA564G Counter display which corresponds to 20 000mA output current is defined by this function Using the or push button select 20 000 in the 4 20mA output sub menu and press to reveal the existing rate or total displa...