PCx User Manual
Contents
1. Count measurement unit Q In this menu you can set up the ratio between counted pulses and 0 displayed Litres K factor Division ratio For further instructions see the section K Factor Calibration The selection will occur by pressing the arrow up or down This parameter is intended to define the closure time of the pulse count relay contact in milliseconds Contact closure time Tmin 20msec Tmax 150msec Set up by using the arrows Up or Down 29 This parameter is intended to select the type of probe Probe amplified of the MK515 type two wires red and black and shield Probe not amplified of the DF100 type or compatible three wires Vdc input signal OV Probe type selection The two probes have different inputs Check the connections according to the connection diagrams in this manual and the symbols on the litre counter terminals This parameter is intended to configure the measurement unit of the CNT10 litre counter Two measurement units are available Litres and Decalitres The measurement unit can be selected at the user s discretion The choice of LITRES instead of DECALITRES 1 Decalitre 10 Litres will depend upon the liquid quantity to be measured If the average liquid quantity is lying within 9999 litres it is advisable to select L If the quantity is much larger it is advisable to switch into the display mode in DECALITRES A green pilot lamp will turn o2. Installation manual for the probe if purchased together It is not allowed to modify any cable and accessory supplied For specific needs contact Termoelettronica Spa or an authorised dealer 15 Technical data amp features Polycarbonate black 0 self extinguishing degree CTR 100 DF 100 probe MK 515 George Fisher probe 4 Display LED s Red 7 segments 24Vdc 24Vac 50 60Hz 100mA from 0 to 50 Celsius from 15 to 70 Celsius 80 maximum without condensate On switch board panel or maximum thickness 10 mm 14 M3 screw terminals For cables from 0 25 2 5 sq mm AWG 22 4 DIN 43700 48x48mm depth 100mm IT MK515 probe 4 blades two wires Red Black Braid CTR 100 probe 5 blades three wires 5 A 30 Vdc 250Vac 5 A 30 Vdc 250Vac Output 1 litre count relay NO contact Output 2 end of count relay NC NO contact Output 3 FET OPEN COLLECTOR PNP type 100 MA 30 Vdc Designed and manufactured according to 2000 quality assurance Certificate of compliance with EMC Community standards Settable by means of JP1 see the instructions given by the appendix Flow rate values shall be referred to RESISTIVE loads Case Associated probes Display Electrical supply Operating temperature Storage temperature Relative humidity Installation Back terminal board Sizes Installation category Inputs Outputs Reference certificates
3. CNT 0 COUNTER SE 1 peri pr A t ni 1 8 Li HL USER MANUAL 6 Litne courtnr CNT 0 User manual Product name CNT 10 litre counter central unit Manual revision 2 06 Issue date January 2005 Have you got any technical problem or request Please contact Your competent licensee Your retailer You will find further information in the Safety and Warranty manual You can find up to date information about our products on our site On pursuing the purpose of improving the quality of its own products and a constant technological development Termoelettronica Spa reserves the right to modify the data included in this handbook without any prior notice Termoelettronica Spa Via Petrarca 10 24052 Azzano San Paolo Bergamo Tel 39 035 596511 Fax 39 035 596510 www termoelettronica it info termoelettronica it Table of contents TDC OF 60 6 Instructions for safety sisine A a N a aaa 9 NOLES ON this manual 10 CONVENTIONS ANG ICONS wscecxcsacsssecacseicacccaanbeagsiven sasensawaianatiaaseanasgancaaanaindesianestawensanssaesesensiaaatuneaenianeanenasapeviawenceiascunts 10 A E 11 Notes for the installation and disassembly of the CNT10 litre counter ccccecseseceeeeseeseeeeeeeeseaeeeneeeeaeeuteearsesensenenas 12 Manufacturer s I SIL LCN OU NS isa 13 PISO SAM dee 13 Intended use of the 14 Check OF TNE package 600 0 i 1
4. If necessary the litre counter may be only repaired by a customer care centre authorised by Termoelettronica Spa Only original spare parts may be used The non observance of the above may compromise the electrical plant safety If the litre counter should be dismantled directly contact Termoelettronica Spa to provide for its correct disposal If the litre counter should be either sold or transferred to another owner always make sure that the handbook for operation and maintenance will be delivered together with the plant in order to enable the new owner and or installer to refer to it for information Notes on this manual Conventions and icons This manual has been created by using the most modern layout programmes This guide has used some bold face notes and warnings that should help the user to complete some processes in a safe and complete manner The following importance degrees of the notes are described here below ATTENTION Information to prevent any damage to people peripheral units or components as well as the loss of stored data WARNING Information about actions that shall not be performed in order to avoid any damage to data components or people NOTE Tricks and information that shall be accomplished to complete a process INFORMATION general and additional serving the purpose of integration for the user 10 Precautions The following safety precautions will extend the CNT10 litre counter life Follow
5. display flashing on Function Main To increase the end of count threshold value To decrease the end of count threshold value Display X X X X and off j 65 561 1 i il Keys PRG UP DOWN Historical count display mode total litres counted since the latest reset 33 Description To display the total litres that have been counted since the latest reset Function Main If pressed for at least 5 seconds it will reset the data item only if the present count 0 Display X X X X Keys PRG Arrow UP PRG Arrow Dw RES 34 35 Stored parameters default The CNT10litre counter is set up by default with the following parameters Basic menu Sub menu Parameter description 0000 S na Type of probe not amplified Cd Decalitres P 100 K Factor set up 100 O 60 Relay switchover time 60 milliseconds Rapid parameter programming This page is intended to supply a programming example of the CNT10 litre counter CTR100 DF100 5 blades 45mm inner 239 decalitres 60 milliseconds Programming data example Probe Model Pipeline diameter K factor Display Relay switchover time End of count threshold 15000 litres Basic menu Key Sub menu Description Variation Arrow UP Down 0000 PRG 5s S a Type of probe Amplified Not amplified PRG C d Display Litres Decalitres PRG P 239 K Factor set up 65 PRG O 15 Relay switchover time 60 milliseco
6. In the constant attempt at improving and pursuing the technological development of its own products Termoelettronica Spa reserves the right to modify the features of its own products without giving any prior notice to its users 16 know the parts Refer to the photos below to identify the components installed on the litre counter The CNT10 litre counter is represented by the figure aside The instrument is complete with a high visibility red display two green pilot COUNTER lamps intended to signal operation states SE x 10 Four keys intended to operate and program parameters are arranged at the ra bottom of the panel mr pr a 7 IT H I El ee L Fi L iW I J The CNT 10 litre counter is intended to display the count data and parameters on a LED display of a seven segment type Two green signalling leds are arranged on the CNT 10 front panel SET The SET led will turn on when the count threshold has been reached X 10 The X10 led will turn on when the display shows the quantity of litres that have been counted and divided by 10 Control keys are RES the reset key of the present and historical count PRG key intended to program the litre counter parameters 4 Arrow Down Shortened as Arrow Dw Le Arrow UP Shortened as Arrow UP Arrows enable the operator to scroll the parameters and change programming If pressed in combina
7. litre counter the firmware release of the instrument will appear on the display An example is shown by the figure aside Your litre counter might have a firmware release other than the one given by this manual This shall not worry the user Termoelettronica Spa or your usual local agent can be directly required to update the firmware Jb The display will reset after only a few seconds The litre counter is ready for using or setting the parameters Powering off the CNT10 litre counter To power off the litre counter just disconnect it All the parameters set and counts totalled are automatically saved and stored The litres counted and displayed in the basic mode are not saved Attention If you power off the litre counter the information about the count that has not been totalled yet will get lost the litres that have been counted but not added to the historical count will get lost Press RES to add the litres you have counted to the historical memory 26 27 This is the basic display mode i e the one by default When the litre counter is on 0000 will appear on the display When the flow sensor is sending the litre counter the count pulses the display will show the quantity of litres x10 that have been conveyed into the pipeline If led X10 is on the quantity on the display shall be multiplied X10 to get the actual quantity Example 0010 0010 x 10 litres 0055 0055 x 10 litres 0367 0367 x 10 367
8. manufacturer cannot be held liable 18 Electrical connections CNT10 litre counter terminal board Electrical connections may be only executed after the instrument has been regularly installed on the panel Terminal Function CONTALITRI CNT10 5 VISTA POSTERIORE 1 Power supply 24Vac 24Vdc 50 60Hz Power supply OVac OVdc 5 3 Signal input for 100 probe or compatible Si 10 5 6 4 Vdc power supply for 100 probe or compatible Si 1 40 Si 12 3 0 5 Frequency input for MK515 probe red wire DI 3 200 6 Frequency input for MK515 probe black wire Si 14 19 7 Ground check the instructions for connection LITERCOUNTER CNT10 REAR VIEW 8 NO NC contact end of count relay 9 C contact end of count relay 10 Pulse count relay contact 11 C contact pulse count relay 12 FET output PNP OUT rapid pulses 13 CNT10 external reset input 24Vac 24Vdc 50 60Hz 14 CNT10 external reset input 0 Vac 0 Vdc settable through Jumper JP1 check in the appendix Terminals 1 and 2 CNT10 litre counter power supply The CNT10 litre counter shall be supplied by applying terminals 1 and 2 a 24V direct and alternate voltage value If the power supply should be alternate the OV wire shall be connected with terminal 2 If the litre counter is supplied by a direct source the positive will be applied to terminal 1 whereas the negative to terminal 2 Before connecting the litre counter with th
9. measuring probe in use and upon the set up of parameters The CNT10 litre counter will not discriminate the flow direction of the liquid inside the pipeline negative flow rate Any use other than the one mentioned above can be considered as improper and therefore dangerous for the operator for the machines on which it is installed and for the environment If it is necessary to use the CNT10 litre counter for purposes other than those provided for by engineering the user shall require Termoelettronica Spa to check the conditions for installation and utilisation Termoelettronica Spa is not liable for the damages of any kind entity and nature that may be caused to things people and animals for an improper use of the litre counter 14 Check of the package 00 The content of the package shall be carefully checked upon the receipt of the goods The package has been conceived for a safe transportation under normal conditions It is therefore recommended to preserve the package in a safe place if the unit should be shipped or moved for various requirements Visually inspect the litre counter and make sure it has not been damaged during transportation If you should find out a damage please return the package promptly and anyway not later than eight working days from its receipt The package shall include the following items e CNT 10 litre counter e Envelope including the following documentation User Manual in the available languages
10. sure that the device is completely dry Reinsert the CNT10 programmer into the panel and reconnect as required The device may be only repaired by specialised technicians Improper repairs may cause considerable hazards and dangers for the user electrical shock fire hazard etc 37 Guide to the solution of problems If a failure should occur try to remove it by following the procedures described here below If you can not remove it contact a Termoelettronica Spa authorised customer care centre gt Take note of the operations you have performed and of the state of the system when the error occurred Take note of any error message too gt Power off the CNT 10 litre counter gt Contact your dealer or customer care centre authorised by Termoelettronica Spa The device may be only repaired by specialised technicians Improper repairs may cause considerable hazards and dangers for the user electrical shock fire hazard etc 38 Appendix A Weights and dimensions CNT 10 side view Panel front view COUNTER SET x10 Respro ft Omo 8 N T1 1 Mechanical sizes Unit of CNT10 Model Notes Measurement Height mm 48 Width mm 48 Depth mm 100 Litre counter weight gr 200 Opening sizes mm 49 Diameter of fastening holes mm 49 Appendix B Opening for panel drilling The drawing for panel drilling is shown here below if you wish to install the CNT10 litre counter on t
11. temperatures below 0 and above 50 and to the direct sunlight VVVVV V 11 Notes for the installation and disassembly of the CNT10 litre counter The device can be only repaired by specialised technicians If the CNT10 litre counter is opened without authorisation or if it is improperly repaired this may involve considerable risks and dangers for the user electrical shock danger of fire etc Some components of the litre counter are sensitive to electrostatic electrical discharges Act as follows to avoid damaging the peripheral units of the litre counter e Discharge any electrostatic discharge to the earth before touching the electrical terminals of the litre counter e All instruments devices and objects used for maintenance shall be protected against electrostatic discharges e Detach the electrical power supply before installing or removing the probes and electrical loads from the litre counter e Never touch the electronic components arranged on electronic circuits 12 Manufacturer s instructions This product includes technology hardware and software protected by copyrights that are protected by the corresponding owners as a result of the procedural rights of well defined international patents and other intellectual property rights Disposal and recycle This device has been widely manufactured by making use of materials that can be disposed of with a limited environmental impact The device shall be dis
12. value The K factor is related to the type of sensor the material of the pipeline and its dimension Count relay closure time The CNT10 litre counter will enable you to vary the closure time of the pulse count relay within well defined limits This option will enable you to optimise the application of the litre counter and the interfacing with some electronic devices that might have slow inputs In other words some PLC s or programmers may require special times to excite the inputs Depending upon this you can vary the time required to excite the relay from min 20 milliseconds see 2 to max 150 milliseconds see 15 To change the value press the Arrow Up or Arrow Dw Keys If the PLC or interfacing programmer should require a rapid pulse output free of any bounce instead of the relay output it is advisable to use the FET output of the litre counter 31 SET POINT programming mode The SET POINT programming mode will enable you to set up the end of count threshold of the litre counter or after how many litres decalitres of water the filling process shall stop To have access to the SET POINT mode press PRG UP The display will show the previous SET POINT value and start flashing on and off Press the keys to reach the value you wish When you set up the SET POINT you shall consider the measurement unit x 10 Litres or Decalitres COUNTER SET 0 0 lt The valid range for the SET POINT wi
13. 0 litres If LED X10 is on the display will show the quantity that has been counted and expressed in DECALITRES instead of in LITRES To display LITRES To display DECALITRES Main display mode COUNTER St Resferof 1 _ 1 P er caput fer er Pie en bite 3 Lal i T I F Ei Reset of the counted quantity Press the RES button in the main display mode to reset the display indication Whenever you press RESet or set to zero the quantity shown before is added to the memory of the historical count NOTE You can also reset the present count by applying a 24 Vdc Vca voltage value to terminals 13 14 COUNTER SET Resferchl f De ica CNT10 i COUNTER SET Resfierof ft i ee pai pa r r as mih Ta CNT10 The historical count is the total amount of all the litres that have been counted since the latest reset of the same counter The historical count is permanently stored by the CNT10 litre counter Unlike the counts displayed in the main mode whenever you power off the device quantities are not deleted but stored To reset this memory follow a definite procedure described later on To have access to the historical count mode press the PRG and Arrow Dw keys at the same time The decimal points at the bottom of the digits will indicate that the data item on the display is the historical count Since the historica
14. 5 TO KNOW ENG pallini 17 Assembly of the CNT10 panel litre Counter rr 18 Electrical 5 19 ENTO litre counter terminal 000 0 20 nani siii ia 19 Terminals 1 and 2 CNT10 litre counter power supply cece cece cence teen ence eee e eee ee nee eee SESS a Ee Eee anata eens eee 19 Terminals 2 3 4 Connection with the CTR100 probe and compatible ri 20 Terminals 2 5 6 Connection with the MK515 probe and compatiDle ri 20 Terminals 8 9 RLK2 end of count relay 20 Terminals 10 11 RLKi pulse count rel rain 20 Terminals 12 13 External reset 0 20 CNT10 litre counter connection diagramsS cccsceceseseeeeeneneneneeeeeeseeenenenensneeeeeeeenenensneaeneeeseeueueususnseesseesseeneneneaes 21 CNT10 connection with the FIP DF100 CTR100 probe relay contact ii 22 CNT10 connection with the MK515 probe relay contact i 23 CNT10 connection with the FIP DF100 CTR100 probe FET output transistor ii 24 CNT10 connection with the MK515 probe FET output transistor ii 25 Powering on th CNT 10 MEF S COUTSR aa aaa aaa aaant 26 POW off the CINT 26 Main display MOGG siii 27 Reset of the counted quantity sro nn 27 PONC COP 28 5 7 20 Count Medaculement UNI iii ai ii 30 Summary of the CNT10 litre counter operation modes 1 1 1 111111011rrr rari 33 0 ai 33 Parameter programmin
15. all instructions and precautions Never use damaged power supply cables and accessories Never use strong solvents such as diluents gasolines or any other chemical product in order to clean the litre counter panel Detach power supply sources before cleaning Use a clean cloth to clean plastic parts after having dipped it into a non abrasive detergent solution Use a clean cloth to dry wet parts Only a specialised technician is allowed to clean the internal part of the litre counter Prevent liquid and gaseous chemical agents from penetrating inside the litre counter since they might corrode electronic circuits and peripheral units ATTENTION The control panel surface is covered with a thin plastic touch sensitive film Never use aggressive chemical products to clean it In case of need contact Termoelettronica Spa or an authorised customer care centre The plastic case must be cleaned by means of a neutral non solvent detergent The panel of the display and the keys must be cleaned by means of a neutral non solvent detergent Never arrange or drop any object on the litre counter above all on the sensitive panel area Never expose the litre counter to rain humidity or any jet of liquid products Never expose the litre counter to dust or dirt Never use the device in the proximity of any leak of explosive gases Never expose the litre counter to any strong magnetic or electrical field Never expose the litre counter to extreme
16. e power supply source make sure that the electrical lines are not live i e that the electrical circuits are not supplied Before connecting the CNT10 litre counter make sure that the power supply sources are compatible with those required by the instrument 19 Terminals 2 3 4 Connection with the CTR100 probe and compatible Terminals 2 3 and 4 are suitable for the connection of signals requiring no amplification All the probes generating pulses through blade reed or HALL effect contacts are suitable Terminal 2 is the ground reference It is also called OV A direct voltage value set to 8 2V is available on terminal 4 to supply the probe Terminal 3 is the input for the pulse signal used to count litres The frequency range accepted at the input is lying between one single pulse and 500 Hz If the measuring probe is connected with these terminals Probe nA shall be selected as a parameter Terminals 2 5 6 Connection with the MK515 probe and compatible The probes generating weak signals and therefore requiring amplification shall be connected with terminals 2 5 and 6 Terminal 2 is the ground reference It is also called OV Terminals 5 and 6 are the inputs at the amplification circuit respectively for the positive terminal 5 Red wire and the negative terminal 6 Black wire The frequency range accepted at the input is lying between one single pulse and 500 Hz If the measuring probe is c
17. e to people animals or things for which the manufacturer can not be held liable In particular the following standards shall be observed Law 46 90 and following amendments Law 186 1968 and the CEI standards about electrical plant engineering And any other standard in force about the installation of electrical electronic devices in industrial environments The personnel shall be understood as professionally qualified when having a specific technical competence in the field of pneumatic and hydraulic plants as well as industrial automation This product shall be only intended for the use for which it has been expressly conceived i e all control operations for plants and or machines in an industrial environment in compliance with its operation conditions Any other use shall be considered as improper and therefore dangerous It is recommended to protect the product against any improper use that may represent a danger The manufacturer will disclaim all contractual and extra contractual responsibility for any damage caused by improper installation and utilisation as well as any non observance of the manufacturers instructions Package elements shall never be left unattended since they may represent a danger for the environment and for people In case of failure and or malfunction of the front panel power it off The personnel without required permission and competence shall never be allowed to make any attempt at repair or direct action
18. g MO 33 SET POINT programming mode end of count threshold i 33 Historical count display mode total litres counted since the latest reset ri 33 Stored parameters della 35 Rapid pafameter programming i e 36 Guide to the solution of probDIemS sirii nananana nananana nananana nnana 38 Appendix A Weights and dimensions 1 1 111000r0r rien 39 Appendix B Opening for panel nananana seine iraniani iii iii 40 AppendiX G JPlJumper SSC UD iaia 41 6 Appendix D Connections and Probe Pinout CTR100 FIP probe MK 515 George Fisher probe pinout Instructions for safety The handbook represents an integral and essential part of the product and it shall be delivered to the user The CNT 10 litre counter is complete with a CE mark and comply with the essential requirements imposed by European community standards 89 392 EEC 91 368 EEC 93 44 EEC 96 68 EEC Assimilated with DPR 459 96 89 336 EEC 92 31 EEC 93 68 EEC 93 97 EEC Assimilated with DL 615 96 73 23 93 68 EEC Assimilated with DL 626 96 Refer to the plate at the back of the litre counter for the data relative to CE certifications CE The installation shall be accomplished by professionally qualified personnel in compliance with the national and local standards in force and according to the manufacturer s instructions since an improper installation may cause damag
19. he door of a control pulpit or electric board The external template reproduces the overall dimensions of the plastic case of the CNT10 litre counter whereas the internal frame is the profile of the opening to be executed on the panel The minimum thickness of the iron or stainless steel sheet is 15 10 The ideal thickness is given by the solidity and structure of the door on which you wish to install the CNT10 litre counter 40 41 Appendix C JP1 Jumper set up Detach the device from its supply of electricity Extract the instrument from the panel where it is installed by loosening the fastening brace Extract the litre counter from the plastic case Use a pair of tweezers to move the Jumper from position 1 2 to position 2 3 3 Description of the end of count relay state Contact normally OPEN 1 2 Contact normally CLOSED 2 3 Replace the instrument into the plastic case Reassemble the litre counter as it has been installed before Appendix D Connections and Probe Pinout CTR100 FIP probe pinout A Pin Description 1 Probe power supply Voltage from 5 to 24 Vdc 2 Probe pulse output Signal amplitude from 5 to 24Vpp 3 Probe power supply OV GND MK 515 George Fisher probe pinout Pin Description Red wire Frequency Black wire Frequency Metal braid Cable shield 42 43 Appendix E Termoelettronica Spa Via Petrarca 10 24052 Azzano Sa
20. l count is the total amount of several counts it has been made possible to display the data with more than four digits To display the digits of a greater order just press Example The litre counter has totalled 802780 litres decalitres in the historical count Press PRG Dw to have access to the display mode of the historical count In doing so the display will show 2780 Press UP Now the display will show E080 80 shall be placed before the 4 digits that have been displayed before The total historical count is hence 802780 decalitres or litres depending upon the measurement unit you have selected To reset the historical count press the RES key and hold it down for 5 seconds Historical count COUNTER SET Ce ike RI RI a gt 28 Parameter programming mode To have access to the parameter programming mode press the PRG key and hold it down for 5 seconds Whenever you press the PRG key the register of settable parameters is scrolled according to the scheme on this page In this menu you can select the type of probe in use Probe Amplified MK 515 Inputs 5 6 Probe selection Probe Not Amplified DF 100 Inputs 2 3 4 The selection will occur by pressing the arrow up or down 0 In this menu you can select the count measurement unit Litres 6631 Wy The selection will occur by pressing the arrow up or down
21. ll lie between 0 and 9999 litres 5 99999 it crema ra 4 i ermoeleffranca CNT10 The end of count threshold value can be only set up if the present count has been reset If the present count is not zero 0 0 0 0 press RES to reset the count Set up the new end of count threshold If no key is pressed within 5 seconds the CNT 10 litre counter will automatically go back to the basic display mode 32 Summary of the CNT10 litre counter operation modes Function Press the PRG key for five seconds to have access to the Parameter programming mode To have access to the SET POINT programming mode To display the total count since the latest reset To restore the default data To reset the present count and update the total count Description To select the probe of a non amplified type terminals 2 3 4 To select the probe of an amplified type terminals 2 6 5 To display the litre counter in Decalitres green led X10 on To display the litre counter in Litres green led X10 off Numeric value of the pulse divider LITRES Number of Pulses PXXX Count relay closure time LITRES 20 150 mS Main display mode Keys COUNTER PRG UP cclesche Le PRG DOWN PRG RESET RESET 5 Sec Parameter programming mode E ae Display COUNTER SET POINT programming mode end of count threshold Description To display the set point i e the end of count threshold
22. n Paolo Bergamo Tel 39 035 596511 Fax 39 035 596510 www termoelettronica it info termoelettronica it
23. n on the panel next to the X10 indication to confirm that the display mode in DECALITRES has been selected Count measurement unit If the CNT10 litre counter should directly interface with Termoelettronica devices and programmers the measurement units shall be set up in Decalitres i e 1 pulse 10 litres This parameter can only be changed from the firmware release 1 0 6 without resetting the present count and the historical one check the release of your litre counter at the time of the power on Counted pulses litres division ratio K FACTOR This parameter is intended to define the ratio between the pulses supplied by the probe and the litres displayed The blades probes such as those used on the litre counter MK515 or DF100 supply a number of pulses that will vary according to several factors gt Type of probe 4 or 5 blades lt Internal diameter of the pipeline gt Material of the pipeline Probe manufacturers release the K factor values in the documentation in order to determine the number of pulses supplied by probes according to the number of litres that have been conveyed into the pipeline Pipeline Diameter Inner Diameter 100 CTR100 Probe MK 515 Probe 40 45mm 327 239 50 57mm 214 149 65 73mm 129 91 80 86mm 89 65 100 111mm 50 39 125 137mm 31 26 150 165mm 21 18 200 216mm 12 10 The K factor is a parameter intended to convert the frequency signal coming from the sensor into a flow rate
24. nds PRG 0000 PRG DW 1 7 0 8 Historical count example data item RES 5s 0 0 0 0 To reset the historical count data PRG 0000 PRG UP 0000 To display the end of count threshold flashing on and off UP 1500 To set the threshold to 1500 Decalitres PRG 0000 If you hold down the arrow keys up or down for over one second the scroll speed of the digits will automatically increase 36 Maintenance The CNT10 litre counter will require no special maintenance However this page is intended to give you some instructions for cleaning Power off the device Extract the instrument from the panel where it is installed by loosening the fastening brace Extract the litre counter from the plastic case Use a compressed air aspirator or jet max 2 bar to remove any dust and dirt build up from ventilation slits and circuits Avoid damaging electronic components While performing the operation make sure that the compressed air in use is dried i e free of any condensate Clean the external plastic or rubber parts by using a clean piece of cloth dampened with pure or denaturated ethyl alcohol pure or denaturated isopropylic alcohol water Make sure that no terminal is loosened inside the device and that no component is either burnt or showing signs of corrosion If signs of corrosion should be visible inside the instrument contact Termoelettronica Spa for any repair Before reinserting the instrument into its case make
25. ommend you to evaluate the examples in order to understand the features of this instrument thoroughly External components e g zener barriers or condensers connected between the measuring probe and the input terminals of the instrument may cause measurement errors due to an impedance value that is too high or unbalanced or to the presence of leak currents In order to avoid any interference and disturbance on signals we recommend you to act as follows Never arrange signal cables in parallel with or in the proximity of power cables or noise sources For the connection between the measuring probes and the litre counter it is desirable to use a Shielded cable having an adequate cross section When you use a shielded cable the metal braid of the shield shall be earth connected with one single end Pay attention to line resistance If the line resistance is too high over 200hm wire it may cause some problems in reading the pulses of the probes All signal power supply wires shall have the same cross section 21 CNT10 connection with the FIP 100 CTR100 probe relay 00 OXXXX DIA V M24 Blu id FIP 100 probe or compatible Probe connections Power supply from 5 to 24Vdc CL1 Probe power supply PIN 1 Current consumption from 12 to 30 mA CL2 Probe pulse output PIN 2 Output signal square wave from 5V to 24Vdc CL3 Probe power supply ground PIN 3 SCH Cable shield 22 CNT10 connection
26. onnected with these terminals Probe A shall be selected as a parameter Terminals 8 9 RLK2 end of count relay Terminals 8 and 9 are connected with the contact of the relay that will drop out after the end of count threshold has been reached The relay contact can be of a NO normally open or NC normally closed type according to the JP1 set up Check the set up in the appendix RLK2 contacts have a 5 Ampere capacity at 250 V ac on a resistive load Note the RLK2 relay is working in safety conditions This means that the NO contact is in such a condition only when the CNT10 litre counter is supplied Terminals 10 11 RLK1 pulse count relay Terminals 10 and 11 are connected with the contact of the relay that will be excited whenever a litre decalitre of liquid is counted The contact of the relay is of a NO type normally open RLK1 contacts have a 5 Ampere capacity at 30VDC or 250VAC on a resistive load Terminals 12 13 External reset if you should reset the litre counter remotely you can apply a 24 V alternate and direct voltage value to terminals 12 and 13 20 CNT10 litre counter connection diagrams The following pages show some examples for the correct connection of the CNT10 litre counter with the logics or control programmers by means of the MK515 or CTR100 DF100 probes Many other connections are possible also depending upon specific applications not provided for by this manual However we rec
27. posed of according to the local regulations in force at the end of its useful life The disposal Shall occur in a centre specialised for collection Removal of the package and check of the content gt Remove all package components gt Make sure that the items of the package have not suffered any visible damage during transportation gt Make sure that the items of the supply correspond to the data specified by the delivery note If you should find out a damage to the litre counter or any incongruity between the content of the package and transportation documents you are kindly required to contact a Termoelettronica Spa authorised dealer or local agent immediately It is recommended to avoid throwing away the original package of the devices Keep it for any further shipment 13 Intended use of the CNT10 litre counter The litre counter has been expressly designed and realised for use as a pulse counting unit The litre counter function is only performed in combination with specific probes intended to transform a liquid flow into a series of electrical pulses having well defined features The CNT10liter counter can take no measurement if not combined with specific sensors The CNT10 litre counter has been specifically designed and built for use in industrial environments in order to measure the flows of liquid products inside pipelines The accuracy degree of the CNT10 litre counter essentially depends upon the accuracy degree of the
28. tion with the RES or PRG keys they activate second functions 17 On switch board panel installation Assembly of the CNT10 panel litre counter For the assembly it is recommended to choose a position that can be easily accessed from the rear side too and if possible free of any vibration of shock danger The room temperature shall lie between 0 and 50 The instrument can be mounted on a panel max 10 mm in thickness after having made a 45 x 45 mm opening and by considering a 1 millimetre tolerance per side 46 millimetres See the appendix to this manual for overall and drilling dimensions The surface roughness of the panel where to install the CNT 10 litre counter shall be better than 6 3 um If the panel is painted with an embossed or textured finish sand the surface This might improve the tightness between the litre counter and the gasket To fasten the instrument to the panel act as follows Insert the instrument into the opening that has been made on the door While firmly keeping the instrument on the panel insert the fastening support Push the support against the panel Slip the fastening brace onto the case and tighten the screws supplied The installation shall be accomplished by professionally qualified personnel in compliance with the national and local standards in force and according to the manufacturer s instructions An improper installation may cause damage to people animals or things for which the
29. with the MK515 probe relay contact OXXXX DIO V Connections CL1 Frequency signal Red CABLE CL2 Frequency signal Black CABLE CL3 OV reference Metal BRAID SCH Cable shield 23 M24 Blu OV MK515 probe George Fisher Power supply from 3 to 24Vdc Current consumption lt 1 5mA 3 3 at 6Vdc Output signal Open collector output 10 mA Max CTR100 probe FET output transistor 100 connection with the FIP 10 6 If you use the rapid pulse output FET connect terminal 11 with the 24 VDC power supply X Bianco 24Vec Blu OVcc Blu OV Marr The connection diagrams on these pages are only shown by way of example They might require some changes on the basis of every single specific utilisation connection with the MK515 probe FET output transistor 10 6 If you use the FET signal output terminal 12 the CNT10 litre counter shall be only supplied by 24Vdc X Bianco 24Vcc Blu 0 66 Blu OV Marr The connection diagrams on these pages are only shown by way of example They might require some changes on the basis of every single specific utilisation Powering on the CNT10 litre counter Before powering on the CNT10 litre counter make sure that the wiring has been properly executed Make sure that the residuals of previous working cycles small copper wires iron chips etc will cause no short circuit When you power on the
Download Pdf Manuals
Related Search