OPERATING INSTRUCTIONS Batch Controller BC-2 - broen-sei
Contents
1. 3 Badger Meter Europa GmbH OPERATING INSTRUCTIONS Batch Controller BC 2 April 2002 Version BC 2 04 02 e Content Content Page 1 General 1 1 1 System description 1 1 2 Specifications 2 2 Setup 5 2 1 Mounting 5 2 1 1 Panel mounting 5 2 2 Electrical connections 1 2 2 1 Inputs 9 2 2 2 Power and outputs 10 2 3 Switch set up 11 2 4 Modes of operation 11 3 Front panel function description 17 3 1 Entering of a new prescale value 18 3 2 Entering of a new preset value 18 3 3 Entering of a new time and output value 19 4 Hints for applications other than flow metering 20 41 Some sensor examples 20 5 Trouble shooting 21 5 1 Self test 21 5 2 Pow er up diagnostics 23 5 3 Service address 23 Operating Instructions BC 2 04 02 e General Page 1 23 How to set erase a coma on the BC 2 1 How to set a coma 1 1 Press key farthest left and hold 1 2 Press key at the desired position and hold 13 Release first the key on the left then the key on the desired position 2 How to erase a coma 2 1 Press key farthest left and hold 2 2 Press key farthest right and hold 2 3 Release first the key on the left then the key on the right 1 General The BC 2 is designed for use with a pulse generating flow meter manufactured by Badger Meter Such are oscillating piston meters nutating disc meters turbine meters pelton wheel meters oval gear meters and some special instruments If supplied with a flow meter2. 2 will turn on when zero is reached The outputs will turn off after their respective programmed time values have occurred Also when zero is reached the unit will automatically reset the count to preset 2 and start the cycle over output 2 will remain on until its time value has occurred Manual reset will turn off both outputs if turned on and reset the count to preset 2 During automatic reset no counts will be lost if the count rate does not exceed the maximum count rate specified MODE 14 Output 1 turn off at zero timed output 2 at zero automatic reset to preset 2 after timed output 2 In this mode as the unit counts from preset 2 output 1 will turn on when preset 1 is reached When zero is reached output 2 will turn on and output 1 will turn off Output 2 will turn off after its programmed time value has occurred At the end of timed output 2 the unit will automatically reset to preset 2 and start the cycle over During automatic reset no counts will be lost if the count rate does not exceed the maximum count rate specified Manual reset will turn off both outputs if activated and reset the count to preset 2 MODE 15 Timed outputs at preset 1 and zero automatic reset to preset 2 after timed output 2 In this mode as the unit counts from preset 2 output 1 will turn on when preset 1 is reached and output 2 will turn on when zero is reached The outputs will turn off after their respective programmed time values hav
3. 23 2 2 Electrical connections As depicted in drawing no 2 showing the rear view of the BC 2 counter there are two terminal blocks where all wiring connections are made Remove the blocks for easy access to the terminal screws To remove insert a screwdriver into one of the slots on the underside of the block and twist The block can then be lifted off the pins for wiring CAUTION Terminal blocks should not be removed with power applied to the unit For the solid state outputs a three pin connector is supplied NOTE The solid state connector housing is polarized to the body of the bottom terminal block and must be inserted properly Drawing No 2 All the input connections are made to the top 6 terminal block labelled TBA The power and relay output connections are made to the bottom 8 terminal block labelled TBB and the solid state outputs are connected to the three pin connector The input connections are the same for one or two preset counters Operating Instructions BC 2 04 02 e Electrical connections Page 8 23 BLOCKSCHALTBILD GESTRICHELTE LINJEN NUR FUR LYNI C2 Drawing No 3 Operating Instructions BC 2 04 02 e Inputs 2 2 1 Page 9 23 Inputs Terminal 6 on TBA the first terminal from left is the DC OUT 12 V terminal This is for sensor supply and can provide up to 100 mA of current Terminal 5 is the COMM common terminal which is the common line to which the sensor and othe
4. both outputs and reset the count to zero During automatic reset no counts will be lost if the count rate does not exceed the maximum count rate specified Operating Instructions BC 2 04 02 e Modes of operation Page 14 23 twin hull VARA VARR MODE 6 Output 1 turn off at preset 2 timed output 2 at preset 2 automatic reset to zero after timed output 2 In this mode as the unit counts from zero output 1 will turn on when preset 1 is reached When preset 2 is reached output 2 will turn on and output 1 will turn off Output 2 will turn off after its programmed time value has occurred At the end of timed output 2 the unit will automatically reset to zero and start the cycle over again During automatic reset no counts will be lost if the count rate does not exceed the maximum count rate specified Manual reset will turn off both outputs if turned on and reset the count to zero MODE 7 Timed outputs at presets automatic reset to zero after timed output 2 In this mode as the unit counts from zero output 1 will turn on when preset 1 is reached and output 2 will turn on when preset 2 is reached The outputs will turn off after their respective programmed time values have occurred At the end of timed output 2 the unit will automatically reset to zero and start the cycle over again During automatic reset no counts will be lost if the count rate does not exceed the maximum count rate specified Manual reset will
5. computations are made with these values The results of these computations are stored in the memory to serve as a check against possible error On power up these same computations are repeated on the stored data If these results do not agree with the stored results then a P will appear on the right side of the display Normal operation of the unit will continue while this P is displayed To remove the P from the display press the E button Then check programmed values to be certain they are correct Service address There are no user serviceable parts inside If necessary address to your local agent or to Badger Meter Europa GmbH for further service Operating Instructions BC 2 04 02 e Hotline Tel 49 7025 9208 0 or 31 Fax 49 7025 9208 15 Badger Meter Europa GmbH Subsidiary of Badger Meter Inc Karlstrasse 11 72660 Beuren Germany E mail badger badgermeter de Operating Instructions BC 2 04 02 e
6. the LCD will show a one When the switch is UP the LCD will show a zero If no testing of the output is required press the E button until the unit exits self test the unit will go back to the count display mode Also if no activity occurs on the switches or the front panel button within 18 sec after the unit pauses at the mode switch display the unit will automatically exit the self test During the time the mode switch settings are displayed the outputs can be tested To activate the output press the P1 P2 button Note The PGM DIS terminal must be at a high level for the outputs to be activated Also caution should be used when testing the outputs so as not to cause any undesirable or hazardous conditions in the system To turn off the outputs release the button If the outputs are not tested the state s of the outputs will remain the same as they were prior to self test If the outputs are tested in self test the outputs will be off after exiting self test Operating Instructions BC 2 04 02 e Self test 5 2 5 3 Page 23 23 Rapid advantage of the self test routine can be done by pressing and releasing any of the front panel buttons except for the R button Pressing R at any time except when entering the timed output mode will reset the unit Pow er up diagnostics The BC 2 has internal diagnostics which will check the stored data during power up When the data is saved power down
7. turn off both outputs if tumed on and reset the count to zero MODE 8 Latch output at preset 1 and zero manual reset to preset 2 In this mode as the unit counts from preset 2 output 1 will latch on when preset 1 is reached and output 2 will latch on when zero is reached When a manual reset occurs the unit will reset to preset 2 and the output if latched on will unlatch Counts will continue to register after the outputs have turned on MODE 9 Timed output at preset 1 and zero manual reset to preset 2 In this mode as the unit counts from preset 2 output 1 will turn on when preset 1 is reached and output 2 will turn on when zero is reached The outputs will turn off after their respective programmed time values have occurred When a manual reset occurs the unit will reset to preset 2 Manual reset will terminate the timed outputs if the outputs are still activated Counts will continue to accumulate after the outputs have activated Operating Instructions BC 2 04 02 e Modes of operation Page 15 23 nhh MODE 10 Output 1 turn off at zero latch output 2 at zero manual reset to preset 2 In this mode as the unit counts from preset 2 output 1 will turn on when preset 1 is reached When zero is reached output 2 will turn on and output 1 will turn off Output 2 will remain latched on until a manual reset occurs Counts will continue to accumulate after preset levels have been reached Manual reset will turn
8. turn on when preset 1 is reached When preset 2 is reached output 2 will turn on and output 1 will turn off Output 2 will turn off after its programmed time value has occurred When a manual reset occurs the unit will reset to zero Manual reset will turn off both outputs if they are still activated Counts will continue to accumulate after preset levels have been reached MODE 4 Output 1 turn off at preset 2 timed output 2 at preset 2 automatic reset to zero at preset 2 In this mode as the unit counts from zero output 1 will turn on when preset 1 is reached When preset 2 is reached output 2 will turn on output 1 will turn off and the unit will automatically reset to zero Output 2 will turn off after its programmed time value has occurred Manual reset will turn off both outputs if activated and reset the count to zero During automatic reset no counts will be lost if the count rate does not exceed the maximum count rate specified MODE 5 Timed outputs at presets automatic reset to zero at preset 2 In this mode as the unit counts from zero output 1 will turn on when preset 1 is reached and output 2 will turn on when preset 2 is reached The outputs will turn off after their respective programmed time values have occurred Also when preset 2 is reached the unit will automatically reset the count to zero and start the cycle over output 2 will remain on until its time value has occurred Manual reset will turn off
9. MT SOURCE SENSORS OUTPUT PNP 0 6 COUNT OM TURN OFF NOTE IF EXTERNAL SUPPLY tS USED See note 2 EQUAL TO OR eneaven S THAN Oc C VOLTABE Dicot CLAMP Drawing No 5 Operating Instructions BC 2 04 02 e Hints for applications Page 21 23 Notes 1 Sensor supply voltage and current The 12 V sensor supply voltage on the DC OUT terminal is nominal with 25 variation due to line and internal load variations All RLC sensors will accommodate this variation HI LO FRQ selection The HI LO FRW selection switch must be set on LO FRQ when switch contacts are used to generate count input signals Since the LO FRQ mode also provides very high immunity against electrical noise pickup it is recommended that his mode also be used whenever possible with electronic sensor outputs as added insurance The LO FRQ mode can be used with any type of sensor output provided count pulse widths never decreases below 5 milliseconds and the count rate does not exceed 100 cps V IL and V IH levels given are nominal values 10 when counter voltage on DC OUT terminals is 12 VDC These nominal values will vary in proportion to the variations in DC OUT terminal voltage caused by line voltage and load changes When shielded cable is used the shield should be connected to COMM at the counter and left unconnected at sensor end 5 Trouble shooting 5 1 self test This unit has a built in self test feature whic
10. anel reset Mode settings of the switches are shown below The mode number corresponds to a binary code represented by the DIP switch positions When the switch is UP it is equivalent to a zero When the switch is DOWN it is equivalent to a one The mode switch settings can be easily observed from the front panel by using the self test At the end of the self test the state of these mode switches is displayed The mode selection DIP switches are located along the side of the unit s case Operating Instructions BC 2 04 02 e Modes of operation Page 12 23 NOTES 1 For all the following modes of operation when the unit is set for a Reset to Zero mode the UP DN terminal count direction is normally left high in UP position When the unit is set for a Reset to Preset mode the UP DN terminal is normally tied to common in the DOWN position However even though these are the usual conditions for the UP DN terminal it does not have to operate in this fashion i e the unit can count down in a Reset to Zero mode or count up in a Rest to Preset mode and still maintain normal operating functions 2 The timed output must be less than the time required to count from the reset condition to the preset point Otherwise the output will appear to be latched on MODE 0 Latch outputs at presets manual reset to zero In this mode as the unit counts form zero output 1 will latch on when preset 1 is reached and output 2 wil
11. ch time the button is pressed the digit will increment by one Also pressing and holding the button down will continuously scroll the digit from 0 through 9 then back to 0 again When the desired value for that digit is reached release the button Do this for all the digits to be changed This value can be set between 0 01 Sec and 99 99 Sec Operating Instructions BC 2 04 02 e Front panel function description Page 20 23 3 Press the E Enter button to enter the value into the unit s memory AS SOON AS the E button is pressed this new value is used as the operating data If the E button is not pressed within 10 Sec after the last digit has been changed the value will disappear go back to normal display mode and the unit will continue to operate on the previous value During the displaying changing and entering of a new timed output value all functions of the unit are operational i e counting resetting output firing etc 4 Hints for applications other than flow metering Badger Meter uses BC 2 as a useful complement to their range of flow meters The design of BC 2 also allows a lot of other industrial counting applications Please check specifications 1 2 before trying an application not mentioned in this manual 4 1 Some sensor examples CONNECTIONS amp CONFIGURATION SWITCH SET UPS FOR VARIOUS SENSOR OUTPUTS OLDER STYLE SENSORS WITH EF SENSORS WITH CURRENT SINK OUTPUT CURRENT SAC CONN WITH CURRE
12. e occurred At the end of timed output 2 the unit will automatically reset to preset 2 ad start the cycle over During automatic reset no counts will be lost if the count rate does not exceed the maximum specified count rate Manual reset will turn off either output if turned on and reset the count to preset 2 Manual reset either by front panel reset if enabled of remote reset is always active and will override any present condition or state of the counter Operating Instructions BC 2 04 02 e Front panel function description Page 17 23 3 Front panel function description These units employ eight front panel buttons for control and data entering The button functions are as described below Drawing No 4 Reset R This button resets the counter to either zero or preset depending on the mode of operation selected For this button to operate the enable disable reset button switch at the rear of the unit must be set to the enable EN position This button is also used in conjunction with the two preset buttons one button on the single preset unit to view and change the timed output value When reset is activated all processes are stopped or interrupted i e outputs turn off display is halted etc This is the case under any mode of operation in any data entry mode Preset P1 and P2 The preset buttons are labelled and are the two right hand buttons of the top two rows located on the front of the
13. essing the button directly beneath the digit position to be changed To change this value PGB DIS must be at a high level Each time the button is pressed the digit will increment by one Also pressing and holding the button down will continuously scroll the digit from 0 through 9 then back to 0 again When the desired value for that digit is reached release the button Do this for all the digits to be changed Press the E Enter button to enter the value into the unit s memory AS SOON AS the E button is pressed this new value is used as the operating data If the E button is not pressed within 10 sec after the last digit has been changed the value will disappear go back to normal display mode and continue to operate on the previous value 3 2 To enter a new preset value 1 Press P1 or P2 if a two preset unit This will display the respective preset value and it will remain displayed for approximately 10 sec after release of the last button pushed At this time the preset display mode can be exited without a change by pressing the E button Operating Instructions BC 2 04 02 e Front panel function description Page 19 23 2 Once the preset value is displayed changing the digit value can be done by pressing the button directly beneath the digit to be changed To change this value PGM DIS must be at a high level Each time the button is pressed the digit will increment by one Also pressi
14. h can be activated without loosing counts or preset values missing preset points or timed output durations or interfering with control functions With this test all digits are cycled though then the mode select switch settings are displayed At this point the outputs can also be tested Operating Instructions BC 2 04 02 e Self test Page 22 23 To enter self test the two left hand digit buttons located on the front panel simultaneously At this time whatever count value was displayed will disappear and be replaced by a string of six zeros This will be shown for about a half a second then a string of ones will appear for the same time duration Following these a string of twos and so on up to none will be displayed After the nines are shown five decimal points will appear After this portion an interlace pattern of 1 0 1 0 1 0 then 1 2 1 2 1 2 and so on until all digits from zero to nine have been displayed The next portion of self test will display a group of ones and zeros These ones and zeros are the settings of the mode select switches the four DIP switches located along the side of the unit This pattern directly corresponds to the number representing the mode of operation If the switches are changed at his point of self test the settings can be seen to change These changes will not affect counter operation immediately but any changes will take effect when self test is exited When the switch is DOWN
15. l latch on when preset 7 en 4 4 44 2 is reached When a manual reset occurs the unit will reset to zero and the outputs if latched on will unlatch Counts will continue to accumulate after the outputs have turned on MODE 1 Timed outputs at presets manual reset to zero In this mode as the unit counts from zero output 1 will turn on when preset 1 is reached and output 2 will turn on when preset 2 is reached The outputs will turn off after their respective RAR programmed time values have occurred When a manual reset _ occurs the unit will reset to zero Manual reset will terminate the timed outputs if the outputs are still turned on Counts will continue to accumulate after the preset levels have been reached MODE 2 Output 1 turn off at preset 2 latch output 2 at preset 2 Manual reset to zero In this mode as the unit counts from zero output 1 will turn on when preset 1 is reached When preset 2 is reached output 2 will A 4 4 turn on and output 1 will turn off Output 2 will remain latched on until a manual reset occurs Manual rest will turn off both outputs and the unit will reset to zero Counts will continue to accumulate after the preset levels have been reached Operating Instructions BC 2 04 02 e Modes of operation Page 13 23 unh AMAA AL MODE 3 Output 1 turn off at preset 2 timed output 2 at preset 2 Manual reset to zero In this mode as the unit counts from zero output 1 will
16. ng and holding the button down will continuously scroll the digit from 0 through 9 then back to 0 again When the desired value for that digit is reached release the button Do this for all the digits to be changed Press the E Enter button to enter the value into the unit s memory AS SOON AS the E button is pressed this new value is used as the operating data This means if the preset value is entered and the old or new value has not been reached the new value will be used without process disruption Preset on the fly If the E button is not pressed within 10 sec after the last digit has been changed the value will disappear go back to normal display mode and the unit will continue to operate on the previous value During the displaying changing and entering of a new preset value all functions of the unit are operational i e counting resetting outputs firing etc 3 3 To enter a new timed output value 1 Press and hold the button and then press the R Reset button The respective timed output value will now be displayed and will remain displayed for approximately 10 Sec after release of the button pushed At this time the timed output display mode can be exited without change by pressing the E button Once the timed output is displayed changing the digit value can be done by pressing the button directly beneath the digit to be changed To change this value PGM DIS must be at a high level Ea
17. off all outputs if activated and the unit resets to preset 2 MODE 11 Output 1 turn off at zero timed output 2 at zero manual reset to preset In this mode as the unit counts from preset 2 output 1 will turn on when preset 1 is reached When zero is reached output 2 will turn on and output 1 will turn off Output 2 will turn off after its programmed time value has occurred Counts will continue to accumulate after the preset levels have been reached When a manual reset occurs the unit will reset to preset 2 Manual reset will also turn off both outputs if still activated MODE 12 Output 1 turn off at zero timed output 2 at zero automatic reset to preset 2 at zero In this mode as the unit counts from preset 2 output 1 will turn on when the preset is reached When zero is reached output 2 will turn on output 1 will turn off and the unit will automatically reset to preset 2 Output 2 will turn off after its programmed time value has occurred Manual reset will turn off both outputs if turned on and reset the count to preset 2 During automatic reset no counts will be lost if the count rate does not exceed the maximum specified count rate Operating Instructions BC 2 04 02 e Modes of operation Page 16 23 viv VERA A MODE 13 Timed outputs at preset 1 and zero automatic reset to preset 2 at zero In this mode as the unit counts from preset 2 output 1 will turn on when preset 1 is reached and output
18. r input commons are connected Do NOT connect relay commons or solid state output commons to this point Terminal 4 is the CNT IN count input terminal When the signal at this terminal is pulled low zero volt a count will be registered See Count Input and Count Rates under the specifications section Terminal 3 is the UP DN count direction control terminal When this terminal is at a high level the count direction is UP When the terminal is grounded the count direction is DOWN Terminal 2 is the PGM DIS program disable terminal When this terminal is at a high level the preset values prescale value and timed output value s can be changed using the front panel buttons Outputs can also be tested using self test under this condition See self test description for further details When terminal 2 is at a low level connected to COMM changing these values and testing the output is no longer possible Terminal 1 is the RMT RST remote reset terminal When this terminal is at a low level connected to COMM the unit will reset and the outputs will run off if activated As long as reset is low the unit is held at reset Then connecting and installing the input wires the following guidelines should be followed This is especially true of electrically noisy environments A Never run count and control signal leads in the same conduit or race ways with conductors feeding motors solenoids SCR controls heate
19. relay common The solid state output connector has three wires two wires for the single preset unit coming from the top of the connector housing The yellow wire first wire as viewed from the back of the unit is for solid state output 1 labelled 01 SNK This internally connects to an NPN open collector transistor The black wire is the common for the solid state outputs This terminal should NOT be used as the common for the input or control terminals The blue wire is used to connect to solid state output 2 labelled 02 SNK Operating Instructions BC 2 04 02 e Switch set up 2 3 2 4 Switch set up S1 SNK SRC S2 HI FRQ LO FRQ S3 HI BIAS LO BIAS S4 DIS RST EN RST Modes of operation Page 11 23 Provides a 7 8K pull up resistor for sensor with sinking outputs Provides a 3 9K pull down resistor for sensors with sourcing outputs Removes damping capacitor and allows operation up to the high speed count specifications Connects damping capacitor for switch contact debounce Limits count speed to 100 cps Minimum count ON OFF times 5 msec Sets input trigger levels at mid range to accept outputs from 2 wire proximity sensors resistive photo cells and logic pulses with full 1 to 12 V swings V IL 5 5 V VIH 7 5 V Sets input trigger levels to the low range to accept logic pulses with 0 to 5 V swings V IL 15V VIH 3 75 V Disables front panel reset Enables front p
20. rs etc Ideally signal wires should be run by themselves in a Separate conduit B Signal leads within electrical enclosures should be routed as far from contactors motor starters control relay transformers and other similar components as possible Operating Instructions BC 2 04 02 e Inputs Page 10 23 C When shielded wire is used connect the shield to the signal common terminal of the BC 2 counter and leave the other end of the shield unconnected and insulated from machine ground 2 2 2 Power and outputs As mentioned before power and output connections are made to the bottom terminal block labelled TBB and the solid state output connector located at the lower right corner of the unit Primary AC power is connected to terminals 1 and 2 marked A C Power located on the left hand side of the terminal block TBB For best results the AC power should be relatively clean and within the specified 10 variation limits Drawing power from heavily loaded circuits or from circuits that also power loads that cycle on and off should be avoided Terminals 3 4 and 5 are used to connect to output relay 1 Terminal 3 is the normally closed contact Terminal 4 is the normally open contact and terminal 5 is the output relay common Terminals 6 7 and 8 dual preset only are used to connect to output relay 2 Terminal 6 is the normally closed contact Terminal 7 is the normally open contact and terminal 8 is the output
21. s Solid state Relays Programmable timed output 9 Memory retention 10 Input power and output connections 11 Operating temperature range Page 4 23 Current sinking NPN open collector transistors SNK 1000 mA max VOH 30 VDC max VOL 1V 100 mA One solid state output for each preset level Form C contacts rated 6 amps 120 260 VAC 28 VDC resistive load 1 8H P 120 VAC inductive load One relay output for each preset level The timed output can be programmed from 01 sec to 99 99 sec 1 10 msec The timed output is set for 1 sec at the factory The BC 2 counters have a no power EPROM which maintains all information when the AC power is removed The life expectancy of this device is at least 10 000 power down cycles and length of memory retention for a single power down can be as long as 10 years There are two plug in compression type barrier strips located at the rear of the unit These strips can be removed form the rear of the unit for ease of wiring After wiring is complete the connector can be plugged back into the unit 0 C to 50 C Operating Instructions BC 2 04 02 e Specification Page 5 23 12 Storage temperature range 40 C to 70 C 13 Construction BC 2a Black plastic front bezel with black plastic insert Front panel meets IP65 acc to DIN when properly installed Panel gasket and mounting clip included with unit 14 Weight 360 g 2 Set
22. the BC 2 is programmed and scaled readily by Badger Meter according to customers orders In this case you need to read only the chapters marked with a vertical bar for initial set up and normal operation If you want to re program an instrument please take into consideration that it may have been supplied with a PROGRAM DISABLE jumper for customers safety 1 1 System description The BC 2 consists of a dual preset counter with two relay and two transistor outputs an electronic scaling function electronic gears a power supply for the pulse transmitter display and a time switch Operating Instructions BC 2 04 02 e Specification 1 2 Page 2 23 Specification 1 Display 6 digit 7 6 mm high LCD display 2 Power requirements 230 VAC 10 0 60 Hz 6 VA 3 Sensor power 12 VDC 25 100 mA 4 Count input Switch selectable to accept count pulses from a variety of sources including switch contacts outputs from CMOS or TTL circuits and all standard RLC sensors If ordered with a meter count input is set up correct by Badger Meter Current sourcing Unit provides 3 9 K pull down load for sensors with current sourcing outputs Max input voltage 28 VDC 7 mA Current sinking Unit provides 7 8 K pull up load for sensors with current sinking outputs Max sensor current 1 6 mA Debounce Damping capacitor provided for switch contact debounce Limits count speed to 100 pps max and input p
23. ulse width to 5 msec min LO BIAS Input Trigger levels V IL 1 5 V VIH 3 75 HI BIAS Input Trigger levels V IL 5 5 V VIH 7 5V Note Bias levels 10 12 VDC sensor voltage These levels vary proportionally with the sensor supply voltage 5 Prescale value range 0 to 9 99999 If ordered with a flow meter K factor is entered by Badger Meter 6 Maximum count rates High frequency The following chart lists the count rates for all the possible prescale values Operating Instructions BC 2 04 02 e Specification Page 3 23 Low frequency 100 cps for switch contact closures Note These units will operate with VCM E H modules 7 Control inputs Remote reset Program disable Up Down control Active low V IL 5 V max internally pulled up to 5 VDC through a 10 KOhm resistor I SNK 5 mA Response time 10 sec A low will reset the unit and deactivate outputs Active low V IL 5 V max internally pulled up to 5 VDC through a 10 KOhm resistor I SNK 5 mA A low will inhibit the changing of presets prescale and time outputs as well as testing outputs in self test Active low V IL 5 max internally pulled up to 5 VDC through a 10Kohm resistor SNK 5 mA Response time 150 sec This input determines the direction of the count and is independent of reset to zero or reset to preset modes of operation Operating Instructions BC 2 04 02 e Specification 8 Output
24. unit When the P1 button is pressed preset 1 is displayed and the Preset Enter mode is accessed See To Enter A New Preset Value These values will remain displayed for approximately 10 sec after release of the button The preset buttons are also used in conjunction with the reset button to view and change the timed output values See To Enter A New Timed Output Value section Enter E This button is used in the Preset Enter mode and in the Timed Output Enter mode After the desired value is obtained on the display this button is pressed This enters the value into the internal processor This new value at that instant is used in the processing of preset or timed output values E can also be used at the end of self test to exit self test Operating Instructions BC 2 04 02 e Front panel function description Page 18 23 Prescale PS When the PS button is pressed the prescale value is displayed and the Prescale Enter mode is accessed See To Enter A New Prescale Value This value will remain displayed for approximately 10 sec after release of the button 3 1 To enter a new prescale value 1 Press PS This will display the prescale value and it will remain displayed for approximately 10 sec after release of the button At this time the prescale display mode can be exited without change by pressing the E button Once the prescale value is displayed changing the digit value can be done by pr
25. up 2 1 Mounting 2 1 1 Panel mounting The BC 2 is designed to be panel mounted with a gasket to provide a water tight seal One mounting clip and two screws are provided for easy installation Consideration should be given to the thickness of the panel A panel which is too thin may distort and not provide a water tight seal recommended minimum panel thickness is 3 2 mm Operating Instructions BC 2 04 02 e Mounting Page 6 23 After the panel cut out has been completed and deburred carefully apply the gasket to the panel DO NOT APPLY THE ADHESIVE SIDE OF THE GASKET TO THE COUNTER BEZEL Insert the unit into the panel As depicted in the drawing install the wo tinnerman nuts and two self tapping screws onto the mounting clip To install the mounting clip hold the mounting clip with both hands so that the two corners rest on the index finger of each hand While doing this place the thumb of each hand over he mounting screws By pressing on the screws flex the clip enough to slide it over the back end of the case until the clip touches the back of the panel Insure that the case is still fully inserted into the panel While maintaining slight pressure on the clip tighten the two mounting screws CATION Only minimum pressure is required to seal panel DO NOT overtighten mounting screws Cut out aT Dimensions in mm noel HR Drawing No 1 Operating Instructions BC 2 04 02 e Electrical connections Page 7
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