London Electronics Limited User Manual
Contents
1. 5 0 INSTALLATION Lu PS U AS ee SZ 5 1 eet 5 2 Eeer lee 5 3 KEEN 5 4 Suspension HEH ee ee ee EE Ce 5 5 Multiple display mountinzg 6 0 TROUBLE SHOOTING AND MAINTENANCE 7 0 SAFETY CONSIDERATIONS si aaa 8 0 WARRANTY TEE 9 0 OTHER LONDON PRODUCTS 10 0 BIS IER E D EE NW N GO o0 NN 11 12 13 14 14 14 14 15 15 15 16 17 18 Elapsed Timer model E17XX INTRODUCTION The E17XX is one member of a broad family of Large Displays The family is the 1700 Series and the part number tells you a little about the display s function a rae e us how many E for Elapsed Timer inches high the digits are 17 identifies the model as Tells us how many digits the being in the 1700 series display has 4 5 or 6 This model is intended for large time measurement display use It accepts the most commonly encountered proximity sensors of NPN or PNP type contact closures TTL and CMOS logic levels The incoming pulses can be used to start and stop the timer A contact closure Reset input is available An optional RS422 output is available useful for feeding remote mimic displays If you require serial input only and do not require pulse input a simpler model is available S17XX series The serial input models can have2. and is followed by a flow diagram to add clarity The flow diagram uses pictures of our Remote Programmer consisting of three pushbuttons arranged as follows If you make up your own programmer please be sure to use good quality pushswitches and O O O lay them out in the same order as shown here MENU SELECT INCR Yellow Menu Reset Green Select s e T Blue q IJ q x Ge Ee Increment Red Common The Blue increment line is also used for remote reset Allows you to step down all the variable options when in programming mode Also allows you to reset the display to zero when in normal running mode MENU Allows you to select a digit within a variable for alteration The digit which can be altered flashes Each time you press SELECT the flashing digit moves one place to the right SELEcT Also allows you to set the display s brightness when in normal running mode Allows you to increase the value of any flashing digit Each press will increase the value by 1 Also used to Reset the display to 0 or to Preset srart time INCREMENT E1700 Series Configuration numbers Use the 4 digit configuration number to choose various types of timing functions Each digit has a specific function as follows Display Syle do not set 1 6 or 7 0 MM SS SS 2 HH MM SS 3 MM SS 4 DD HH MM 5 HH MM 8 SSS SS 9 SSSS S A MMM MM B MMMM M C HHH HH Size Control to suit display hardware D HHH
3. cabling includes relay output wiring All signal cabling shall be screened The screen shall only be terminated to the power earth terminal This certificate applies only to meters carrying Serial Numbers 601001 or higher Certified as true and correct for and on behalf of London Electronics Ltd Warren Court Chicksands Shefford Bedfordshire SG17 5QB J R Lees Director 20
4. 4 5 6 or 7 digits The configuration settings and calibration constants of the display are stored in non volatile EPROM memory which is retained for at least 10 years Change to the settings is achieved by way of remote contact closure inputs allowing alteration of the unit s configuration menu and brightness The case is sealed to IP65 and the lens is 4mm thick polycarbonate making it ideal for use in food industry washdown applications 1 0 UNPACKING AND INSPECTION PLEASE check the carton s contents as soon as possible after receipt to detect any transit damage or losses Unpack the contents and check each item in the box against the check list below to make sure you have all items Check List Handbook Display Mounting kit where appropriate B Programming Unit If Ordered In the event of damage please contact the carrier and advise our sales office of the fault Please retain the carton packing material for future possible use 2 0 GENERAL INFORMATION This handbook covers the Elapsed Timer model of the 1700 series large displays The 1700 series is a family of units for broadcasting process values and data on easy to read large 7 segment displays Character heights of 2 4 or 6 are standard and dependent on type displays are 4 5 6 or 7 digit Extra large and Daylight viewing displays are available to special order The enclosures for the displays are of welded UPVC material with tough lenses p
5. H H 0 2 amp 4 displays E DDD DD 1 6 amp 8 displays F DDDD D 2 2 amp 4 displays with relay 3 6 amp 8 displays with relay 4 2 amp 4 stop at 0 or preset 5 6 amp 8 stop at 0 or preset 6 2 amp 4 displays with relay stop at 0 or preset 7 6 amp 8 displays with relay stop at 0 or preset Serial Data Baud rate 0 1200 Baud 1 2400 Baud 2 4800 Baud 3 9600 Baud Control Functions 0 UpCount I P1 Start I P2 Stop 1 Down Count I P1 Start I P2 Stop 2 UpCount Only counts when UP active 3 Down Count Only counts when I P1 active 4 UpCount I P1 toggles Run Stop 5 Down Count I P1 toggles Run Stop 8 As 0 but starts at Reset pulse 9 As 1 but starts at Reset pulse A As 2 but starts at Reset pulse B As 3 but starts at Reset pulse C As 4 but starts at Reset pulse D As 5 but starts at Reset pulse 10 LO37138 ss 1id u uuuoulAu noA yns 0 jaaa ss uluBiuq e sooyo o ss uluBug SU IN3IN3HONI 24 uo ansoj 198luoo Aejuawow e ap 38S 1d JO 0 0 19W11 INOA 18S 1 O J S H 0 wo dn uno5 0 8S u q sey i uu y Ji JUIOd WJeye Ue Se 1 sn UBD no O WOJ UMOP UNOD O gun JAS o p sn q ue3 S ld IYL ANSI pug gt LNAINSYONI Loge A KENE H zono ed INIL GH i u 99s no se Jaquunu ey 498 U9 UY LSuild p u no sequunu p
6. London Electronics Limited Warren Court Chicksands Shefford Beds SG17 5QB Tel 01462 850967 Fax 01462 850968 E17XX Series of Large Displays Elapsed Timers NPN PNP Contact Closure TTL CMOS logic Inputs Including Sensor Excitation and RS422 Data Output Rear case screws please note The rear panel is held in place with finger screws which only need to be gently tightened Do not use tools to tighten or loosen the screws as this could cause damage to the internal threads User Manual Rev 9 0 11 June 2004 Doc E17XX p65 1 CONTENTS SECTION INTRODUCTION a Q T gu n su A ee 1 0 UNPACKINGANDINSPECTIOLNN 2 0 GENERAL INFORMATION 2 1 GeneralspecificationS e A ies a a GS T uy ss 3 0 INTERNAL WE E 3 1 EE EE 3 2 Menage m uha Qa on SS Ga u ua 4 0 DETAILED OPERATING INFORMATION 4 1 P lse I P EE HEITE 4 1 1 Jumper Functions and Dostttons cc ceeeesesseeeeceeeseeeseeeseesseeesseeeaeees 4 2 Typical Input connections 4 3 RS485 optional output notes 4 4 Contact Closure Remote Programmer connections 4 5 Programming your display 4 6 The Programming Menu amp Brightness adjustment 4 7 Programming Element EE eerste ed 4 8 Application Example
7. T CLOSURE CONNECTIONS 4 2 Typical Input Connections The most common input sensor types are shown below with a wiring guide to assist you in the installation of your totaliser Only one input is shown as they both have identical input circuitry Because the pullup resistors are not independent both inputs will be pulled up or down you should choose sensors which require the same pullup format if using both inputs In other words do not use a PNP sensor for one input and an NPN sensor for the other You could however have a NPN sensor for one input and a contact closure for the other However Reset is ALWAYS contact closure Sig Aor B Sig To timer Excitation 0 Common 7 Jumper Settings Fit Debounce jumper if input rate is less than 10 per second Fit Pull up jumper If count is to increment when item approaches sensor fit falling edge jumper If count is to increment when item leaves sensor fit rising edge jumper Sig Aor B Sig To timer Excitation 0 Common i Jumper Settings Fit Debounce jumper if input rate is less than 10 per second Fit Pull down jumper If count is to increment when item approaches sensor fit rising edge jumper If count is to increment when item leaves sensor fit falling edge jumper Sig A or B Totimer Common Jumper Settings Fit Debounce jumper Input rate must not be greater than 10 closures per second Fit Pull up jumper If count is to increment when
8. a 110 volt unit Filtering is incorporated on the mains input to prevent damage due to short spikes on the mains Damage will occur if the unit is subject to 415 volt mains application Check wiring prior to powering the units Technical helpline 01462 850967 Please make a note of full model number serial number and configuration number before calling us Please also read the manual before calling and if you find any part unclear or do not find the information you need let us know That way we can improve future editions of the manual for you 7 0 SAFETY CONSIDERATIONS The 1700 series is protected in accordance with IEC Safety Class 1 The instruments are designed and tested in accordance with IEC publication 348 Safety Requirements for Electronic measuring apparatus and are supplied in a safe condition Whenever protection is likely to have been impaired by damage the equipment shall be made inoperative and be secured against any intended operation Removal of the rear cover WILL EXPOSE LIVE PARTS S The equipment must be disconnected from the supply before carrying out any adjustments replacement or repair with the case opened If any work is carried out with the equipment opened and powered it shall only be carried out by a skilled person who is aware of the hazard involved Mains connections The unit is operable as soon as the mains is applied there is no mains switch The equipment must be connected to a protect
9. ashers supplied at each end of the case Note the position of the friction washers Tighten the mounting screws sufficiently to hold the display in position Do not over tighten 5 4 SUSPENSION MOUNTING Method Connect the U shaped bracket with the supplied screws and washers to each end of the display Tighten the screws sufficiently to hold the display in place Do not over tighten Drill an 8 5mm diameter hole in the beam where the display is to be fitted Slide the supplied bolt through the bush Feed this through the center hole of the suspension bracket and place the bearing washer on top Push the bolt through the drilled hole and secure with the nut and washers supplied Please note that the drilled hole should be sufficiently clear from any obstruction to allow the display to swing 360 degrees and pivot up and down 5 5 MULTIPLE DISPLAY MOUNTING Refer to the information supplied with the mounting kit 14 6 0 TROUBLESHOOTING AND MAINTENANCE The Large displays have been designed to provide a long trouble free life and require no routine maintenance An annual calibration check is recommended The front lens may be cleaned with a proprietary window cleaner and the case may be hosed down and cleaned with a cloth dampened with mild detergent Surface scratching can be polished out with a mildly abrasive cleaner such as perspex cleaner The mains power supply is for 95 to 264 volts AC so there is no risk of applying 240 volts to
10. ayed value worst case error Select timing format with configuration number RS422 at 300 1200 2400 or 9600 Baud Serial ASCII at 300 1200 2400 or 9600 baud 1 start bit 8data or 7 data plus parity and 1 or more stop bits No handshake unit always transmits data UPVC White or Black 4or 5 digit 6 or 7 digit 2 288x120 384x120 4 480x168 672x168 6 624x192 864x192 90mm 115 mm including rear cable glands dor 5 digit 6or7 digit 2 2 5Kg 3Kg 4 45Kg 5Kg 6 5 0Kg 6Kg High efficiency red LED 57mm high 7 segment display tiles Ultrabright red LED 102mm high 7 segment display tiles 144mm high characters formed from twinned individual 5mm round red LEDs Daylight viewing versions whether 2 4 or 6 are made up of individual 5mm round lensed LED s Power supply Power consumption 95 264VAC 100 to 300 VDC Via Rectifier non specific polarity 20W typ without thermostatic heater 3 0 INTERNAL CABLES The units are supplied with approximately 2 metres of free ended cable for mains signal and serial ports You may connect your own cable to this via a junction box or completely remove the supplied cable and install your own REMEMBER The signals you will be feeding to the displays are quite small in comparison to some of the undesirable noise generated by certain types of common electrical equipment To obtain the highest degree of accuracy and reliability from your indication equipment we strongly sugg
11. contacts close fit falling edge jumper If count is to increment when contacts open fit rising edge jumper 4 3 RS422 Data Output Option The Serial Data O P allows you to feed the measured reading to serial input slave displays such as our S17XX series or small 1 8 DIN SER 06 models for remote indication purposes The output is continuous with a new string transmitted at roughly 1 second intervals The format is the reading itself including decimal point character in ASCII terminated by a Carriage Return The data format is 1 start bit 8 data bits and 1 stop bit The Baud rate is selectable and is determined by the fourth character of the Configuration Number Extension cable should be screened high quality data cable and should be routed away from sources of electrical noise such as motors power cables inductive devices discharge lighting circuits etc Do not earth the screen of the data cable however as it is already connected to internal earth on the display itself Up to 32 slaves having RS422 inputs can be driven from the optional output port 8 4 5 PROGRAMMING YOUR DISPLAY The Timer offers useful flexibility in resolution and display presentation and all parameters are adjusted by using the three contact closure programming pushbuttons It is worth spending a little time familiarising yourself with the menu and the programming technique before carrying out a full calibration The menu structure is described below
12. d pair cable to minimise the amount of noise being fed into the display DO NOT run signal cables adjacent to power switching lines or near equipment liable to generate large amounts of electrical noise such as contactors solenoids fluorescent tubes discharge lamps motor control equipment etc DO NOT earth the screens of signal data or programmer cables but DO earth the screen on mains cables 5 1 MOUNTING POSITIONS The unit as supplied is suitable for panel mounting or may be free standing Optional mounting kits provide for wall mounting suspension mounting and vertical or horizontal links for multiple units 3 2 PANELMOUNTING The panel cutout sizes in mm Imm are as follows width x height 4or5digit 6or7 digit Digit Height 2 279x111 375x111 4 471x159 643x159 6 615x183 855x183 Method Remove fixing screws and slacken the cable glands Ease rear case off front section leaving rubber gasket on front section Offer front section up to panel cutout Feed cables through glands in case rear Slide rear over front section pulling any excess cable through glands Fit all screws and washers and finger tighten glands 13 5 3 WALLMOUNTING Fixing centres mm horizontal Hole pitch 100mm vertical 4or 5 digit 6 or 7 digit 2 288 384 4 480 672 6 624 864 Method Fix the wall mounting brackets to the wall with rawlplugs and screws or nuts and bolts Offer the case up to the brackets and insert the screws and w
13. defective unit The unit will be returned to the Buyer with freight charges prepaid by the distributor LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from l Improper or inadequate maintenance by the buyer 2 Unauthorised modification or misuse 3 Operation outside the environmental specification of the product 4 Mishandling or abuse The warranty set forth above is exclusive and no other warranty whether written or oral is expressed or implied London Electronics Ltd specifically disclaims the implied warranties of merchantability and fitness for a particular purpose EXCLUSIVE REMEDIES The remedies provided herein are the buyer s sole and exclusive remedies In no event shall London Electronics Ltd be liable for direct indirect incidental or consequential damages including loss of profits whether based on contract tort or any other legal theory 16 9 0 Other London Products We also design and manufacture a broad range of panel meters controllers transmitters and other types of Large Displays 1 8 DIN Panel meters Inputs accepted include Pulses Totalisers amp Quadrature Pulses Ratemeters 4 20mA 0 10V Thermocouples RTD s AC Volts and Current Resistance Slidewire postion tranducers Loadcells Torque transducers RS232 RS485 RS422 20mA TTY BCD We also produce Custom special instruments designed for you from your requirement specifications Large Di
14. est that you DO NOT run signal cables adjacent to power switching lines or near equipment liable to generate large amounts of electrical noise such as contactors solenoids fluorescent tubes discharge lamps motor control equipment etc Do use screened twisted pair extension cable to minimise the amount of noise being fed into the display WARNING RISK OF LETHAL ELECTRICAL SHOCK S YOU MAY NEED TO OPEN THE CASE TO ALTER JUMPER POSITIONS OR TO PANEL MOUNT THE DISPLAY BEFORE COMMENCING TO OPEN THE CASE YOU MUST ENSURE THAT POWER HAS BEEN DISCONNECTED AND MUST ENSURE THAT POWER CAN IN NO CIRCUMSTANCES BE RE APPLIED TO THE DEVICE WHILST THE CASE IS OPEN 3 1 SIGNAL CABLES The signal and data connectors are at the left hand end of the power and control card They are connected to extension cables which are accessible from the rear of the display Do not earth the screen or braid of the input data output or programmer cable outside the display as it is already internally earthed to the screen terminal 1 Screen Braid Top Connector O O O O O Pulse Inputs 2 Common Blue 1 3 4 5 3 Input A Red 4 Input B Green 5 Excitation Yellow O N Middle Connector Remote Programmer 7 Reg 12345 3 Select Green 4 Increment Blue 5 Menu Yellow 1 Screen Braid Bottom Connector optional Serial Data O P 2 Common Yellow 1234 3 Data B Green 4 Data A Blue 3 2 MAINS CABLES The unit incorporates a switching power supply t
15. ive earth Any interruption of the earth conductor inside or outside the equipment is likely to make the equipment dangerous The mains and signal leads should not be allowed to collect within the instrument all excess lead must be pulled out through the cable glands Note that capacitors inside the instrument may still be charged when the equipment has been disconnected from the supply Before carrying out any work inside the equipment a period of one minute should be allowed for capacitors to discharge to discharge the mains filter capacitors short together the live and neutral mains wires 15 RFI The equipment generates and uses radio frequency energy but when properly installed as described complies with EN55022 The equipment is certified as meeting EN50081 1 and EN50082 1 Shielded cables MUST be used for all signal and data leads but use of a shielded mains lead is not required The power earth wire must be bonded to a good earth but DO NOT earth the signal data or remote programmer screens 8 0 Warranty London Electronics Ltd warrants its products against defects in materials or workmanship for a period of one year from the date of purchase In the event of a defect during the warranty period the unit should be returned freight and all duties and taxes prepaid by the Buyer to the authorised London Electronics Ltd distributor from where the unit was purchased The Distributor at its option will repair or replace the
16. nt to time how long a resin cures for in an oven The ideal cure time is known to be 42minutes You want an alarm to occur when the cure time is complete You want to see how much longer the process needs to continue for time remaining For this application you ll set a Preset of 42 00 minutes You ll also set the configuration to make the timer count down from Preset time to 0 and generate an alarm when reaching 0 Start 200 Reset Set Configuration number 3603 for 2 4 displays or 3703 for 6 8 displays 12 5 0 INSTALLATION If possible position the display away from heat and direct sunlight on the display face The displays should not be exposed to substances liable to damage uPVC acrylic or glass If mounted outside the display should be protected by a shroud to limit direct falls of rain the cooling effect of which can give rise to the display sucking in moisture DO NOT remove the cables supplied with the indicator as these contain essential filter components You should extend cables with a junction box rather than remove and substitute cabling Screening must be used on your cables REMEMBER The signals you will be feeding to the displays are quite small in comparison to some of the undesirable noise generated by certain types of common electrical equipment To obtain the highest degree of accuracy and reliability from your indication equipment we strongly suggest that you DO use screened twiste
17. o enable the unit to operate over the full 95 to 265 Volts range The mains lead must be of 3 core construction with the earth wire bonded to a good earth Line Brown DC for DC option Neutral Blue DC for DC option No Connection Earth Green Yellow 6 Remote Programmer Pulse Input Red Common Yellow Sig Excitation Yellow Menu Reset Red Input A Green Select Green Input B D Blue Increment ower Blue Common Brown AC Hi Blue ACLo Serial O P option Gn Yw Ground Blue A Green B Yellow Comm 4 1 PULSE INPUT SELECTION If when ordering your display you specified the input type required this will have been set for you prior to despatch and should be noted on the label on the rear of the display If you did not specify the input type this will be the factory default of NPN Contact closure You can re configure the meter by making internal jumper alterations to accept PNP 24V DC TTL etc 4 1 1 JUMPER FUNCTIONS AND POSITIONS Falling Rising Fit to give Debounce I P B Fit to give Debounce I P A Pull down D Pull up z For no debounce remove appropriate jumper Debounce limits input pulse rate to approx 10Hz max Ao 3 5 w GEO GER LA Active Edge Selection The internal circuitry is arranged as follows IPA O 100K IPB O io 0 22uF Excitation Deag Debounce jumpers SJ OV Pull up down jumper Comm SIGNAL DATAAND CONTAC
18. oducts Covered 1700 Series Large Displays Title Large Process Serial Rate amp Totalising Displays This is to confirm that the Products covered by this declaration have been designed and manufactured to meet the following specifications EN55022 1987 Conducted Emissions Class B EN55022 1987 Radiated Emissions Class B ITEC801 2 1984 Electro Static Discharge Immunity kV Air IEC801 3 1984 Radiated ElectroMagnetic field Immunity 3V m IEC801 4 1988 Fast Transient Immunity AC IEN cable 0 Sk V Thus the products conform with the applicable sections of the following standards EN50081 1 1992 normative EN50082 1 1992 normative and comply with the requirements of Council Directive 89 336 EEC relating to Electro Magnetic Compatibility and 72 23 EEC relating to safety To confirm compliance representative models within the range have been independently tested and certified by MARCONI INSTRUMENTS EMC Department MARCONI CERTIFICATE TC96 029C MARCONI CERTIFICATE Issue 1 MARCONI Certificate Issue Date 14 February 1996 Conditions The meters are permitted a worst case error of 1 of A D range during electro magnetic disturbance and must recover automatically when disturbance ceases without the need for human intervention such as resetting power down etc The meters covered by this certificate must be installed in adherence to the following conditions Signal cabling shall be routed separately to power carrying
19. roviding certified protection to IP65 66 for the internal electronics Thermostatic heater options may be installed for outdoor mounting in cold climates Case colours are white or black The units incorporate a 95 to 265VAC power supply Which can be used on DC in the range 100 to 300 VDC for operation off any mains source without the need to re configure Display brightness is settable to 4 levels to accommodate differing ambient light conditions and the 3 standard character heights provide a choice of viewing distances of up to 20 40 and 60 metres Other character heights and brightnesses are available to special order The large displays are based around a common power and control card which is linked to display units of different sizes Instrument behaviour is set by way of remote contact closure pushbuttons which provide access to and alteration of the instrument s menu and the settings are stored in 10 year non volatile memory 2 1 GENERAL SPECIFICATIONS Display type Signal inputs Input Resistances Excitation Supply Accuracy Scaling Signal Output optional Output Data format optional Handshake Case material Case size mm WxH Case depth Weight Display type 2 digit height 4 digit height 6 digit height Dual Input elapsed timer UP or DOWN Contact closure NPN PNP 5V TTL CMOS 24VDC 2200 Ohms if internal pull up down enabled Otherwise 10M Nominally 13VDC at 60mA max 0 1 of displ
20. splays Other forms of large displays manufactured by London Electronics Ltd include Serial Input remote displays Ratemeters Proces Indicators Weight Indicators Draw Meters Rate of Change indicators Clocks For a Full Catalogue and PriceList please call us on 01462 850967 and we will despatch details immediately 17 90 AND FINALLY We really would appreciate receiving any comments you may wish to make after receiving your LONDON ELECTRONICS LTD Large displays In particular if you experienced any difficulties during any stage of your purchase your comments will enable us to serve you better in the future Similarly if there are any additional features you feel you would benefit from by having them included in our range of equipment please let us know and we will give your suggestions serious consideration Please complete the section below and return it to us as soon as possible so that changes can be made without delay Thank you for choosing products from LONDON ELECTRONICS LTD LONDON ELECTRONICS LTD Warren Court Chicksands Shefford SG15 5QB TEL 01462 850967 FAX 01462 850968 NAME JOB FUNCTION COMPANY ADDRESS POST CODE TEL NO MODEL NUMBER SERIAL NUMBER BRIEF APPLICATION DESCRIPTION COMMENTS SIGNED DATE 18 Notes 19 Declaration of Conformity Declaration Number EMC1700 Iss 3 Issue Date 21 April 1997 Pr
21. ug eym no YOM uonesdde ANOA 101 aaqwinu 991105 ou 9sSoou5 0 app saquinu uone nBijJuo25 y asp ss nf jou og luelioduul 1N3IW3HONI 1933S YSaaEWNN NOLLVENSISANOO IN bet tue1Deidq MOL nu lN Xt 43 19313S N3IN S 639 J quinN uolleinBiJuoo 11 4 8 Application Examples Here are a few common applications with examples of how the displays are set up to achieve the timing Please feel free to call our Application Engineering Department for assistance with your particular application if you so wish and we shall be pleased to help you 1 Timing a task in a production environment Minutes and Seconds MM SS readout Order a 4 digit display with digit size to suit your required viewing distance Assume a button is pressed when the operator starts a process and another button pressed when the process is completed Start d b Reset Stop 4 Set Configuration number 3000 for 2 4 displays or 3100 for 6 8 displays 2 Predictive maintenance how long has a machine been running Show hours up to 9999 9 Order a5 digit display with digit size to suit your required viewing distance Assume that a contact is closed whenever a machine is running connect this contact Close when running EZE lt 9 Keyswitch Reset Set Configuration number D002 for 2 4 displays or D102 for 6 8 displays 3 Cure Time monitor and alarm You wa
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