programmable digital panel meter n12 type user`s manual
Contents
1. 1999 9 1999 9 5 digit meters The range of H1 and H2 parameters depends on the max range of the input signal The writing of the value with a greater number of significant places after the decimal point will cause its round off Values beyond the range cause the return of the error code 03 not allowed data value 36 Table 6 continuation 7234 7617 Yi w r 19999 19999 Parameters of the individual characteristic Value 1999 9999 4 digit meters 19999 19999 5 digit meters The parameter Y1 Y2 PrL1 PrH1 PrL2 PrH2 AnL AnH range depends only on the set decimal point d P The writing of the value with a greater number of significant places after the decimal point will cause its round off Values beyond the range cause the return of the error code 03 not allowed data value 1999 9 1999 9 Parameters of the individual characteristic 7236 7618 H2 7238 7619 Y2 19999 19999 Parameters of the individual characteristic Change range as for the H1 parameter Change range as for the Y1 parameter 7240 7620 Pal Not occurs 1242 7621 PrLi w r 19999 19999 Lower threshold of alarm 1 Change range as for the Y1 parameter T244 1622 w t 19999 19999 Upper threshold of alarm 1 Change range as for the Y1 parameter 7246 7623 tYP1 w r 0 4 Type of alarm 1 Value 0 Normal Switched on Switched off Switched on m2. 7639 Jed wr 0 1 Switching off unit highlighting Value 0 Highlighting switched off 1 Highlighting switched on Occurs only in 5 digit meters 7280 7640 Del min wr 0 1 Erasing of the minimal value Value 0 Lack of operation 1 Erasing of the minimal value 7282 7641 Del max 0 1 Erasing of the maximal value Value 0 Lack of operation 1 Erasing of the maximal value 38 Table 6 continuation Start Stop 2 7286 7643 7292 7646 not occurs 7294 7647 not occurs 1 In case of registers no occuring in the given series of meters their value is equal 1E 20 N12T meters Table 7 gop 535 S gea m writing w 2585 s Symbol reading r Range Description 238 o goa 2 2282 o 288 38 7200 7600 Identifier Device identifier Value 62 xx Identifier 04 4 digit execution 05 5 digit execution 7202 7601 tYP w t 0 13 Input type Value 0 Resistance thermometer Pt100 1 Resistance thermometerPt500 2 Resistance thermometer Pt1000 3 Resistance thermometer 100 4 Resistance thermometerNi100 5 Thermocouple J 6 Thermocouple 7 Thermocouple N 8 Thermocouple E 9 Thermocouple R 10 Thermocouple 11 Voltage measurement 39 Table 7 continuation 12 Resistance measurement up to 4000 13 Resistance measurement to 4
3. e enter into the programming mode and choose the Alr1 level e pass on the PrL parameter and introduce the value 100 e pass on the PrH parameter and introduce the value 300 e pass on the tYP parameter and choose the On function e pass on the dLY parameter The meter measurement time is 125ms Assuming that the Cnt pa rameter has not been changed and is equal 8 that is the manufac turer setting the measurement time is 8 x 125 ms 1 sec If we want to obtain a delay of 10 sec for the alarm operation one must write down the dLY parameter the value 10 s 1 s 10 introduce the value 10 under the dLY parameter exit from the programming mode 56 In case of the alarm state duration for time longer than 10 sec the meter will switch the alarm relay on and the alarm diode will be lighted Example 5 Programming of analogue output If we want to program that the 0 00 mA value will correspond to the 4 mA value on the current analogue output whereas the 20 00 mA value to the 20 mA value one must e enter into the programming mode and choose the TYPA parameter responsible for the analogue output type Choose the PrAd current output Under the AnL parameter one must write down the value of the imput signal for which we want O mA on the analogue output For this reason one must calculate the AnL parameter 20 0 20 4 1 25 gt 0 4 x 1 25 5 choose the AnL parameter and introduce the value 5 00 choo
4. 19999 19999 5 digit meters The range of H1 and H2 parameters depends on the max range of the input signal The writing of the value with a greater number of significant places after the decimal point will cause its round off Values beyond the range cause the return of the error code 03 not allowed data value Parameters of the individual characteristic 7236 7618 H2 w t 19999 19999 Value 1999 9999 4 digit meters 19999 19999 5 digit meters The parameter Y1 Y2 PrL1 PrH1 PrL2 PrH2 AnL AnH range depends only on the set decimal point d P The writing of the value with a greater number of significant places after the decimal point will cause its round off Values beyond the range cause the return of the error code 03 not allowed data value Parameters of the individual characteristic 7238 7619 Y2 w t 19999 19999 Change range as for the H1 parameter Parameters of the individual characteristic 7240 7242 7620 Pal 7621 w t occurs Change range as for the Y1 parameter Lower threshold of alarm 1 7244 7622 PrHi wit 19999 19999 Change range as for the Y1 parameter Upper threshold of alarm 1 7246 7623 tYP1 w t 0 4 Change range for the Y1 parameter Type of alarm 1 7248 7624 dLY1 w r 0 19999 Value 0 Normal Switched on Swi
5. 4 5 digit meters 7228 7614 Cnt w r 0 19999 Quantity of measurements Value 0 9999 4 digit meters 0 19999 5 digit meters 7230 7615 Ind w t 0 1 Individual characteristic 7232 7616 w t 1999 9 1999 9 Value 0 Charakteristic switched off 1 Charakteristic switched on In case of change Ind from 1 on into 0 the decimal point d P is set on the max value of the given range Parameters of the individual characteristic Value 199 9 999 9 4 digit meters 1999 9 1999 9 5 digit meters The range of H1 and H2 parameters depends on the max range of the input signal The writing of the value with a greater number of significant places after the decimal point will cause its round off Values beyond the range cause the return of the error code 03 not allowed data value 32 7234 7617 wv wit 19999 19999 Table 5 continuation Parameters of the individual characteristic 7236 7618 H2 1999 9 1999 9 wit Value 1999 9999 4 digit meters 19999 19999 5 digit meters The parameter 1 Y2 PrL1 PrH1 PrL2 PrH2 AnL AnH range depends only on the set decimal point d P The writing of the value with a greater number of significant places after the decimal point will cause its round off Values beyond the range cause the return of the error code 03 not allowed data value Parameters of the i
6. N1284 N12H4 N12T5 N12S5 N12H5 96 x 48 x 93 mm IP 50 IP 20 85 230 253 V a c d c 20 24 40 V a c d c 40 50 440 Hz 0 23 50 C lt 75 water vapour condensation inadmissible max 5 VA 20 85 four 7 segment LED displays two alarm diodes five 7 segment LED displays two alarm diodes two diodes to the unit highlighting Indication range of the digital display N12T4 N1254 N12H4 N12T5 N12S5 N12H5 Servicing 1999 9999 19999 19999 four keys Ce La 47 Relay 5 e programmable alarm thresholds e three types of alarms see chapter 6 e hysteresis defined by means of the lower and upper alarm threshold signalling of alarm action by means of diodes programmable delay of the alarm operation two relay outputs voltageless make contacts maximal load capacity voltage 250 a c 150 V d c current 5 A 30 V d c 250 V a c resistance load 1250 VA 150 W Analogue output e current programmable 0 4 20 mA load resistance x 500 Q e voltage programmable 0 10 V load resistance gt 500 Q e galwanic insulation e resolution 0 0196 of the range e basic error 0 1 i v 0 2 u l Digital output e RS 485 interface e MODBUS transmission protocol ASCII 8N1 7E1 7O1 RTU 8N2 8E1 801 e Baud rate 2400 4800 9600 bauds e Maximal response time for query frame 300 ms 1 i v indicated value
7. in other devices The connection must be carried out with a screened lead The scre en must be connected to the protective grounding in a single point The GND line serves to an additional protection of the interface line for long connections One must connect it to the protective groun ding this is not necessary for the interface correct work In order to obtain the connection with an IBM PC computer an RS 485 interface card or a RS 232 RS 485 converter is indispensable On the Fig 7 the device connection is shown Maximum 1200 m A TX Computer PC N12 Meter B RX B HH A N12 Meter B B N12 Meter A Fig 7 Way of the RS 485 interface connection The marking of the transmission line for the card in the PC computer depends on the card producer 25 7 2 Description of MODBUS protocol implementation The implemented protocol is compatible with the PI MBUS 300 Rev G Modicon Company Combination of meter serial link parameters in the MODBUS proto col e meter address 1 247 e baud rate 2400 4800 9600 bps e working modes ASCII RTU e information unit ASCII 8N1 7E1 701 RTU 8N2 8E1 801 The parameter configuration of the serial link is described in the further parts of this service manual It consists on the settlement of the baud rates bAud parameter device address Adr parameter and the information unit type trYb parameter Caution Each meter connected to the c
8. of the value down to the display of the 0 value The jump to the next digit follows after this value The further change is similar The key release in any moment causes a jump on the first digit In order to accept the set up parameter one must press the lt key Then the writing of the parameter and display of its symbol follows alternately with the new value The pressure of the C key during the change of the parameter causes the resignation of the record Item InP tYP Con d_P Cnt Ind H1 Y1 H2 Y2 No Input Input Kind of Decimal Measure Linear e parameters type compen point ment charac 2 2 2 2 1 number 1 PrL1 PrH1 tYP1 dLY1 LEd1 2 Aami Lower Upper Alarm Alarm Alarm nis threshold threshold type delay support ALr2 PrL2 PrH2 tYP2 dLY2 LEd2 3 Alarm2 Lower Upper Alarm Alarm Alarm 255 threshold threshold delay support Out TYPA AnL AnH bAud trYb Adr 4 Output Kindof Lower Upper Baud Kindof Device output threshold rate transm address analogue analogue Volt Current output output SEr SEt SEC tSt JEd i Writing of p dnm High Service assword Display standard introduct d y ligted paramet unit 3 1 exists only in the N12T execution 2 exists only when the individual characteristic is switched on Ind On 3 exists only in the 5 digit execution Fig 5 Transiti
9. time of the alarm the state of alarm withdrawal has occured In that case the meter begins counting the measurements from the beginning The meter does not establish contact with the computer Check if the interface leads A B GND have been correctly con nected Then check in the programming matrix the interface setting trYb bAud Adr These parameters must be the same as in the used software 54 10 PROGRAMMING EXAMPLES OF N12 METERS Example 1 Programming of an individual characteristic If we want to programme so that the value 4 00 mA will correspond to the value 0 on the display whereas the value 20 00 mA will corre spond to the value 100 one must eenter into the programming mode and choose the d_P parame ter responsible for the decimal point Set up the point on the position 1 thatis to say 0000 e choose the Ind parameter and switch the individual characte ristic On e choose the H1 parameter and introduce the value 4 00 e pass on the Y1 parameter and introduce the value 0 e pass on the H2 parameter and introduce the value 20 00 e pass on the Y2 parameter and introduce the value 100 Example 2 Programming of an inverse individual characteristic If we want to programme so that the value 4 00 mA will correspond to the value 120 5 on the display whereas the value 20 00 mA will correspond to the value 10 8 one must e enter into the programming mode and choose the d_P par
10. u l upper limit of the measuring subrange 48 Two wire supply of object transducers 24 V d c max 25 mA only in the N12S galwanically insulated Fastness against supply decays acc EN 50082 2 Electromagnetic compatibility e immunity acc EN 50082 2 e emission acc EN 50081 2 Safety requirements according IEC 1010 1 standard e installation category III level of polution 2 e maximal voltage in relation to the earth 600 V a c PARAMETERS OF THE N12H METER e indication range 4 digits 5 digits 199 9 600 0 V 600 0 600 0 V 1 000 1 000 A 1 000 1 000 A 1 999 5 000 A 5 000 5 000 A e input resistance for ranges voltage Ri gt 2 7 MQ current 1A Ri 50 mQ 10 current 5A Ri 10 mQ 10 e long lasting exceeding of the upper range 10 e basic error 0 1 i v 0 2 u l e additional error from ambient temperature changes 0 1 1 10K 49 PARAMETERS THE 125 METER e indication range 4 digits 5 digits 1 000 1 000 V 1 000 1 000 V 10 00 10 00 V 10 00 10 00 V 19 99 20 00 mA 20 00 20 00 mA 199 9 200 0 mA 200 0 200 0 mA e input resistance for range voltage Ri gt 1 current Ri lt 5Q e long lasting overrun of the upper range 10 e basic error 0 1 i v 0 2 u l e additional error from ambient temperature changes 0 1 u l PARAMETERS OF THE N12T METER Thermocouples Sensor Measuring range Basic error J Fe CuN
11. way of external signals The description of the connector is also printed on the meter housing a Description of the N12S and N12T meter terminal strips RS 485 Current Voltage analog analog output output A 17 18 19 20 21 22 23 24 25 26 27 28 29 130 3132 2 123456 7 8 910 11 12 13 14 15 16 Input signals Alarm 1 Alarm 2 NOL Supply b Description of the N12H meter terminal strip RS 485 Current Voltage analog analog 2 output output B AO Ili 17 18 19 20 21 22 23 24 25 126 27 28 29 30 31 32 2345 910 1112 13114115 O 5 S Supply Connection of input signals in the N12T meter 1234 1234 11234 Resistance thermometer in a two wire M Thermocouple or System or Resistance voltage resistance thermometer in the 10 70 mV measurement three wire system d Connection of input signals in the N12S meter 1234 12345 112345 gt e 5 gt 98 F S Two wire Three wire transducer transducer Fig 2 Connection ways of input signals to the N12 meter In case of a meter working in an envi
12. 2S meters Table 5 The value 15 placed in two succes sive 16 bit registers Registers in clude the same data as 32 b ster from the 7600 area The value is placed in 32 bit registers Symbol writing w reading r Range Description li I e zi A E S Identifier Device identifier Value 60 xx Identifier xx 04 4 digits execution xx 05 5 digits execution 7202 7601 tYP w t 0 3 Input type 1V range 10 V range 20 mA range 200 mA range Each chan e of the input type causes the setting of the decimal point on the maximal val ue For 1 V ran For 10 V range tYP 1 gt For 20 mA range tYP 2 gt d For 200 mA tYP 0 gt d range tYP 3 d 31 Table 5 continuation 7204 7602 Ranu Not occurs 7206 7603 Rani Not occurs 1208 1604 Tru Not occurs 7210 7605 Tri Not occurs 1212 1606 Aur Not occurs 7214 7607 Ual Not occurs 7216 7608 Con Not occurs 7218 7609 SCAL Not occurs 7220 1610 ConS Not occurs 1222 7611 Ein Not occurs 7224 7612 Auto Not occurs 7226 7613 dP wir 0 4 Decimal point Value If Ind 0 0 3 For 1 V range tYP 0 0 2 For 10 V 20 mA range tYP 1 or 2 0 1 For 200 mA range tYP 3 If Ind 1 0 3 4 digit meters 0
13. 39 Jed wit 0 1 ON OFF unit highlighting of the unit Value 0 Highlighting switched off 1 Highlighting switched on Occurs only in 5 digit meters 42 Table 7 continuation 7640 7640 Del_min w r 0 1 Erasing of the minimal value Value 0 Lack of operation 1 Erasing of the minimal value 7641 7641 Del 0 1 Erasing of the maximal value Value 0 Lack of operation 1 Erasing of the maximal value 7284 7642 PAREA not occurs 7286 7643 CEnP not occurs 7288 7644 CEnq not occurs 7290 7645 CEnS not occurs 7292 7646 CPAu not occurs 7294 7647 CUAu not occurs 1 In case of registers no occuring in the given series of meters their value is equal 1E 20 43 7 6 Registers only for reading clude the same data as 32 bit regi The value 15 placed in two succes sive 16 bit registers Registers in ster from the 7600 area The value is placed in 32 bit re gisters Symbol Writing w reading Unit Quantity name e e e e e Identifier Constant identifying the device 7002 7501 Status The status 15 the register descri bing the meter present state 7004 7502 Steering It is the register defining the Steering of the analogue output 7006 7503 Minimum Minimal value of the currently displayed value 7008 7504 Maximum Max
14. AND INJECTION MOULDS PRECISION ENGINEERING AND THERMOPLASTICS PARTS QUALITY PROCEDURES According ISO 9001 international requirements our instruments have CE mark For more information please write to or phone our Export Department LUMEL Lubuskie Zaktady Aparat w Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona G ra Poland Tel 48 68 3295 100 exchange Fax 48 68 3295 101 e mail lumel a lumel com pl http www lumel com pl Export Department Tel 48 68 3295 302 or 304 Fax 48 68 3254 091 e mail export lumel com pl February 2004
15. PROGRAMMABLE DIGITAL PANEL METER N12 TYPE USER S MANUAL CE PROGRAMMABLE DIGITAL PANEL METER N12 TYPE CONTENTS 10 11 12 APPLICATION ricette tetti tg eee eem BASIC REQUIREMENTS OPERATIONAL SAFETY dM ca TEE 7 CONNECTION 2r OPERATION o cnr PROGRAMMING RS 485 INTERFACE 7 1 Connection way of the serial interface 25 7 2 Description of the MODBUS protocol implementation 26 7 3 Description of used functions 7 4 Register map of the N12 meter 7 5 Registers of writing and reading 7 6 Registers for reading TECHNICAL DATA 45 BEFORE A FAILURE WILL BE DECLARED PROGRAMMING EXAMPLES OF N12 METERS EXECUTION CODES eese nennen MAINTENANCE AND GUARANTEE 1 APPLICATION N12 programmable digital panel meters of S H and T executions are destined to measure d c voltages and d c currents temperatu re resistance and other quantities converted into electrical signals A 5 or 4 digit display field 14 or 20mm heigh digits in red or green colour ensures a good legibility at a long distance They realized other additional functions as esignalling the set alarm value exceeding esignalling the measuring range exceeding ecounting of the measuring quantity into any optional quantity on the base of individual linear characteristi
16. ame ter responsible for the decimal point Set up the point on the position 2 that is to say 000 0 e choose the Ind parameter and switch the individual characte ristic On e choose the H1 parameter and introduce the value 4 00 e pass on the Y1 parameter and introduce the value 120 5 e pass on the H2 parameter and introduce the value 20 00 e pass on the Y2 parameter and introduce the value 10 8 55 Example 3 Programming of the alarm with hysteresis If we want to programme the alarm 1 operation so that the alarm will be switched on at the value 850 C whereas switched off at the value 100 C and the alarm 2 so that at the value 1000 the alarm will be switched off and on at the value 199 C one must eenter into the programming mode and choose the level with the ALr1 symbol e enter on the ALr1 level choose the PrL1 parameter and introduce the value 100 e pass on the PrH parameter and introduce the value 850 e pass on the tYP parameter and choose the function design ted as nor e exit from the ALr1 level and pass on the ALr2 level echoose the PrL parameter and introduce the value 1000 e pass on the PrH parameter and introduce the value 199 e pass on the tYP parameter and choose the function nor Example 4 Programming of an alarm operating in the given interval with delay If we want that the alarm 1 will be switched on in the interval from 100 V up to 300 V and operated only after 10 sec one must
17. anually Switched off manually 0 19999 Delay of alarm1 gt mo 7248 7624 wi Value 0 9999 4 digit meters 0 19999 5 digit meters 7250 7625 LEd1 w t 0 1 Support of alarm1 signalling Value 0 Support switched off 1 Support switched on 7252 7626 a2 Not occurs 7254 7627 PrL2 w r 19999 19999 Lower threshold of alarm 1 Change range as for the Y1 parameter 7256 7628 PrH2 wir 19999 19999 Upper threshold of alarm 1 Change range as for the Y1 parameter 37 Table 6 continuation 7258 7629 tYP2 wr 0 4 of alarm Value 0 Normal 1 Switched on 2 Switched of 3 Switched on manually 4 Switched off manually 7260 7630 dLY2 w t 0 19999 Delay of alarm 2 Value 0 9999 4 digit meters 0 19999 5 digit meters 7262 7631 LEd2 w r 0 1 Support of alarm 2 signalling Value 0 Support switched off 1 Support switched on not occurs not occurs not occurs 7272 7630 AnL 19999 19999 Lower threshold of analogue output Analogue output type 0 Current 1 Voltage 7274 7637 AnH wit 19999 19999 Change range for the Y1 parameter Upper threshold of analogue output Change range as for the Y1 parameter 7276 7638 hour not occurs 7278
18. ar characteristic of the user On switched on characteristic OFF switched off characteristic In case of a change of Ind from 1 into 0 OFF the decimal point d_P 15 set on the maximal value of the given range H1 Y1 H2 Y2 Parameters of the individual characteristic On the base of given coordinates of two points by the user the meter assigns coefficients of the individual characteristic a and b Y aH b At the same time H1 and H2 measured value Y1 and Y2 expected value on the display In 4 digit execution 1999 9999 In 5 digit execution 19999 19999 18 Table 1 continuation In 4 digit execution PrL1 Alarm lower threshold 1999 9999 PrL2 In 5 digit execution 19999 19999 PrH1 Alarm upper threshold In 4 digit execution PrH2 1 999 9999 In 5 digit execution 19999 19999 tYP1 Alarm type The fig 6 nor normal tYP2 shows the graphical PE illustration of alarm types H_On manually switched on till the time of changing the alarm type the alarm output is switched on for good H_OF manually switched off till the time of changing the alarm type the alarm output is switched off for good dLY1 Delay of alarm operation In 4 digit execution dLY2 The parameter is defined by 0 9999 the number of measurements In 5 digit execution one must give after how many 0 19999 measurements the alarm The introduction of 0
19. c eprogrammable indication resolution eprogrammable measurement repetition rate estorage of maximal and minimal values e monitoring of set parameter values eblocking the parameter introduction by means of a password econversion of the measured quantity into a standard programmable current or voltage signal esupply two wire object transducers 24 V in the N12S execution e highlighting any optional measuring unit as per the order e handling the RS 485 in the MODBUS protocole both ASCII and RTU With the meter we deliver a guarantee certificate 2 holders to fix the meter on a panel a service manual a connector with screw connections or self locking connections a set of stickers with units When unpacking the meter please check whether the type and execution code on the data plate correspond to the order Symbols located in this service manual mean N especially important one must be familiar with this before connecting the meter one must take note of this when the meter is working AA inconsistently to the expectations 2 BASIC REQUIREMENTS OPERATIONAL SAFETY N12 meters are destined to be mounted into panels and cubicles In the range of operational safety they are in conformity with the IEC 1010 1 A1 standard requirements Remarks concerning the operator safety N e The installation and meter connection should be operated by qualified personnel e One must take into consideratio
20. discalibrated Contact the nearest authorized service workshop 6 The entry into the programming mode is not possible The inscription Err is displayed The programming mode is protected by the password If the user forgets which password has been introduced one must contact the nearest authorized service workshop 52 7 Lack of certainty if all display segments are efficient Enter into the service mode and switch on the display test In the same time the same segments should be lighted on all displays The state with blanked displays does never occur Otherwise submit the defect to the nearest authorized service workshop 8 During operations in the programming mode parameter values inconsistent with the range of changes given in the table 1 appear on the display Enter into the service mode and accept the SEt parameter The meter will introduce values in accordance with the table 2 9 A result inconsistent with our expectations appears on the display Check if the individual characteristic is not switched on In case of necessity enter into the service mode and accept the SEt parameter The meter will introduce parameters in accordance with the table 2 10 The meter does not accept the introduced decimal point by the user Some positions of the decimal point in the case when the individual characteristic is switched off are unlisted See the description of the d P paramet
21. e N12 meter does not required any periodical maintenance In case of some incorrect unit operations 1 In the period of 12 months from the date of purchase One should take the meter down from the installation and return to the manufacturer s Quality Control Dept If the unit has been used in compliance with the instructions the manufacturer guarantees to repair it free of charge 2 After the guarantee period One should turn over the meter to repair in a certified service workshop The disassembling of the housing causes the cancellation of the granted guarantee Spart parts are available for the period of ten years from the date of purchase We reserve the right to make changes in design and specifica tions of any products as engineering advances or necessity requires 59 60 61 62 63 SALES PROGRAMME MEASUREMENT DIGITAL PANEL METERS CONTROL BARGRAPH INDICATORS MEASURING TRANSDUCERS RECORDING ANALOGUE PANEL METERS DIN INSTRUMENTS DIGITAL CLAMP ON METERS PROCESS and HOUSEHOLD CONTROLLERS CHART and SCREEN RECORDERS POWER CONTROL UNITS and FREQUENCY INVERTERS AUTOMOTIVE DASHBOARD INDICATORS STATIONARY and PORTABLE CALIBRATORS MEASUREMENT ACCESSORIES SHUNTS SENSORS TRANSFORMERS MEASURING SYSTEMS ENERGY HEAT CONTROL MEASUREMENT CUSTOM MADE PRODUCTS WE ALSO OFFER OUR SERVICES IN THE PRODUCTION OF ALUMINIUM ALLOY PRESSURE CASTINGS PRESSURE CASTING DIES
22. er in table 1 11 H1 Y1 H2 Y2 parameter symbols are not displayed in the programming mode In case of switched individual characteristic off mentioned symbols are omitted 12 Despite of the alarm threshold overrun neither the alarm relay nor the signalling diode is switched on Check the introduced delay in the alarm operations into the meter If need be correct the dLY parameter 13 Despite of the relay Switching off the alarm diode does not go out Check if the alarm signalling support is not switched on LED parameter In case of need switch it off 53 14 Lack of possibility to erase the signalling diode by means of key combination fig 4 when the parameter of alarm signalling support is switched on The alarm still lasts The erased diode is immediately re lighted Despite the fact that the alarm still remains the signalling diod does not light up Check if a delay of the alarm operation has not been introduced dLY parameter Instead to display the measurement result the meter displays the parameter symbol alternately with its value despite we were not entered into the programming mode The meter works in the reviewing mode A delay of the alarm operation has been introduced e g 30 measurements however after this time the alarm has not operated The lasting alarm state was shorter than the programmed e g during the lasting
23. es 0 2 u l ecompensation of lead resistance changes 0 2 96 u l from ambient temperature changes 0 1 u l 10 K Time of preliminary heating 15 minutes Weight 0 2 kg Time of measurement programmable min 125 ms 2 incase of a temperature meter with a switched ACJC one must add the time of compensation duration which is 0 5 sec It is the time which we add to the averaged measurement That means if we introduce the parameter value Cnt 8 then the measurement time without switched ACJC on will be 1 sec and with the switched on compensation 1 5 sec 51 9 BEFORE FAILURE WILL BE DECLARED SYMPTOMS PROCEDURE 1 The meter does not operate Check the connection of the feeder cable 2 Only the diodes are lighting Number of measurements 0 has been introduced The meter operates in the SLEEP mode The display is blanked 3 Only the horizontal dashes are displayed Check the correctness of the input signal connection See page 8 and 9 in the service manual 4 Only the inscription ErrC is displayed The automatic function of temperature compensation has been chosen however the meter is working in a two wire system Connect the third lead or switch the automatic compensation off The inscription can also be displayed if the automatic compensation is switched on and a Pt10 Pt5 or rEZH sensor is chosen 5 Only the inscription noC is displayed The meter is
24. g mode hold down during 3 seconds e moving through the menu choice of the level e entry into the change mode of the parameter value e acceptation of the changed parameter value key to increase the value e displaying of the maximal value e entry to the parameter group level e moving through the chosen level e change of the chosen parameter value increase of the value e successive parameter in the monitoring mode w key to decrease the value e displaying of the minimal value e entry to the parameter group level e moving through the chosen level e change of the chosen parameter value decrease of the value e successive parameter in the monitoring mode CO erasing key e entry to the menu of parameter monitoring hold down during 3 seconds e exit from the monitoring menu e erasing of the parameter change e absolute exit from the programming mode 11 The pressure of the ES lt key combination and hold down during 3 sec causes the erasing of alarm signalling This operation exclusively acts when the support function is switched on The pressure of the key combination causes the erasing of the minimal value The pressure of the C key combination causes the erasing of the maximal value The pressure and hold down of the lt 4 key during sec causes the entry into the programming matrix The programming matrix is secured by the safeguard code The p
25. gt PrH Measured quantity PrH PrL OFF Contact state 4 1 Relay switched on Relay switched on gs Relay i switched off M d quantit PrL PrH easured quantity Contact d On state 4 1 H 0 o Relay 1 Relay itched off Relay Switched off switched on swi A Measured quantit PrH quani PrL Fig 6 Alarm type a b normal switched off switched on 22 CAUTION A e In case of On and OFF alarm types the writing down of PrL gt PrH will cause an automatic transcription of the value from the threshold PrL into PrH and from PrH into PrL The alarm type will not change e In case of a measuring range overrunning the relay reaction is concordant with written down PrL PrH and tYP parameters In spite of displaying the overrunning the meter will carry out the measurement as before e In case of meter operation with a resistance thermometer in a two wire system the choice of the automatic compensation of lead resistance changes will cause a defective meter work e The automatic compensation is switched off when Pt10 Pt5 and rEZH sensors are chosen e In case of an individual characteristic switching on IndzOn the measurement result is transformed linearly in accordance with introduced H1 Y1 H2 Y2 parameters e The meter currently checks up the value of the actually introduced parameter In case when the introduced value exceeds the upper
26. i 100 1200 C 0 196 i v 0 2 u l NiCr NiAl 100 1370 0 1 i v 0 2 u l NiCrSi NiSi 100 1300 0 1 i v 0 2 u l E NiCr CuNi 100 1000 0 1 i v 0 2 u l PtRh13 Pt 50 1760 0 1 i v 0 2 u l PtRh10 Pt 50 1760 C 0 1 i v 0 2 u l 10 70 mV 0 1 i v 0 1 u l measurements Characteristics acc IEC Ht H WH Ho 1 i v indicated value u l upper limit of the measuring subrange 50 Resistance thermometers RTD resistance thermometers current intensity flowing through the resistance thermometer resistance of leads connecting the resistance thermometer to the meter Sensor Pt100 Pt500 Pt1000 100 Ni100 Resistance measurement Resistance measurement Measuring range 199 850 199 850 199 850 50 180 60 180 0 400 Q 0 4000 Q Characteristics acc IEC 751 A1 A2 i v indicated value u l upper limit of the measuring subrange 0 17 mA lt 20 Q per lead Basic error 0 1 i v 0 2 u l 0 196 i v 0 2 u l 0 1 i v 0 2 u l 0 1 i v 0 3 u l 0 1 96 iv 0 3 u l 0 196i v 0 1 u l 0 1 i v 0 2 u l HE II o HoHk Additional errors in rated working conditions ecompensation of cold junction temperature chang
27. imal value of the currently displayed value 7010 7505 Displayed value Currently displayed value 7012 7506 Not occurs 7014 7507 Not occurs 7016 7508 Not occurs 7018 7096 7509 7548 Not occurs 1 In case of registers no occuring in the given series of meters their value is equal 1E 20 Caution e The parameter Displayed value minimum maximum at the moment of the upper or lower range exceeding is equal 1E 20 e For the parameter Cnt 0 measurement switching off and displays blanking minimum maximum and displayed value parameters are set on the value 1E 20 44 Description of the status register 2 5 5 E B 5 5 2 5 5 2 9 E o E c 6 5 5 2 E 6 9 a 2 5 s 2 8 E 5 qd Qo Lu our o z DEE 2 E 5 c cC Cc 6 5 59 5 S G S X S S S o 35 o 9g 9o es 23 3 2 5 eo ey Oe A o 9 3 2 o 2088 s Io c 0 o v S gt vg E E 5 5 E c c 5 5 2 5 6 S5 gt is A 0 X X X X X XIXIXIXX X X X X X bits 15 14 13 12 11109 8 76 5 4 3 2 1 0 MSB LSB Bit 15 Kind of display 0 meter with a 4 digit display 1 meter with a 5 digit display Bit 14 Compensat
28. ion programming version implemented in the meter XX 4 bytes variable of float type 29 Control total 2 bytes in the case of work in the RTU mode 1 byte in the case of work in the ASCII code Example Work in the mode trYb r8n2 value 0x02 in the case of reading writing through the interface N12S meter Execution with a 4 digit display No of the programming version 1 00 Device address set on Adr 0x01 For this type of meter the frame will have the following shape Device Quantity Device Field depending on the Control total Function address of bytes identifier device type CRC 01 11 08 60 53 04 3F 80 00 00 CE 60 7 4 Register map of N12 meter Register map of the N12 series meter Table 4 Address range Value ype 7000 7200 float 32 bits The value 15 placed in two succesive 16 bit registers Registers include the same data as 32 bit registers from the 7500 area Registers are only for reading 30 7200 7400 7500 7600 7600 7700 float 32 bits float 32 bits float 32 bits The value 15 placed in two succesive 16 bit registers Registers include the same data as 32 bit registers from the 7600 area Registers can be read and written in The value is placed in a 16 bit register Registers can be read and written in The value 15 placed in a 32 bit register Registers can be read and written in 7 5 REGISTERS FOR WRITING AND READING N1
29. ion error of the lead resistance O lack of error 1 signalling a compensation error Caution This bit is only set in the N12T meter For other types of N12 meter executions the value of this bit is optional Bit 13 Kind of output voltage current 0 current 1 voltage 45 Bit 12 10 Working mode and information unit 000 interface switched off 001 8N1 ASCII 010 7E1 ASCII 011 701 ASCII 100 8N2 RTU 101 8 1 RTU 110 801 Bit 8 9 Baud rate 00 2400 bit s 01 4800 bit s 10 9600 bit s Bit 5 7 Position of the decimal point 000 lack 001 0 0 010 0 00 011 0 000 100 0 0000 only for 5 digit meter executions Bit 4 Signalling the range upper overrun 0 normal work 1 range overrun Bit 3 Signalling the range lower overrun 0 normal work 1 range overrun Bit 2 Relay state alarm 2 0 switched off 1 switched on Bit 1 Relay state alarm 1 0 switched off 1 switched on Bit 0 Individual charakteristic 0 Individual charakteristic switched off 1 Individual charakteristic switched on 46 8 TECHNICAL DATA Panel meter dimensions Protection index ensured by the housing Protection index ensured from the terminal side Rated operating conditions supply voltage depended on the execution code supply voltage frequency ambient temperature relative humidity Power consumption Storage temperature Display field N12T4
30. isters code 10h The function is accessible in the publication mode Example record of two registers beginning from the register with 1DBDh 7613 address Request Register Number of Device address registers Number Value for the register Value for the register address Hi Lo Hi Lo Ofbytes _ 1080 7613 1DBE 7614 Function 01 EN o 08 Response Register Register Number of Number of Function address address registers registers Hi Lo Hi Lo 01 10 1D BD 00 02 Device address Report identifying devices code 11h Request Device Function Checksum address CRC 01 11 c0 2C Response Device Function Number Device Field depending on address of bytes identifier the type of device X 11 08 X XXXXXX 28 Device address depending on the set value Function function No Ox11 Number of bytes 0x08 Device identifier 0x60 125 0x61 N12H 0x62 N12T 0x63 N120 0x64 12 0x65 N12B Device state OxFF Field depending on the device type XXXXXX Device name transmitted as ASCII charac ter and defines the meter type S 0x53 53 X X X X X 0x48 48 XXX XX T 0x54 54 XXX XX 0x4F 4F XX XXX 0x50 50 X X X XX 0x42 42 XXX XX Quantity of display Field depending on the quan tity of meter displays 0x04 4 digit meters X 04 X X XX 0x05 5 digit meters X05 X X XX No of the programming vers
31. itched of 3 Switched on manually 4 Switched off manually 7260 7630 dLY2 wit 0 19999 Delay of alarm 2 Value 0 9999 4 digit meters 0 19999 5 digit meters Value 0 Support switched off 1 Support switched on not occurs not occurs not occurs Analogue output type 0 Current 1 Voltage 7272 7636 19999 19999 Lower threshold of analogue output Change range as for the Y1 parameter 7274 7637 AnH w r 19999 19999 Upper threshold of analogue output Change range as for the Y1 parameter 7276 7638 hour not occurs 7278 7630 ___ wr 0 1 ON OFF unit highlighting Value 0 Highlighting switched off 1 Highlighting switched on Occurs only in 5 digit meters 7280 7640 Del min wr 0 1 Erasing of the minimal value Value 0 Lack of operation 1 Erasing of the minimal value 7282 7641 Del 0 1 Erasing of the maximal value Value 0 Lack of operation 1 Erasing of the maximal value Table 5 continuation Start Stop 2 7286 7643 7292 7646 not occurs 1294 7647 not occurs 1 In case of registers no occuring in the given series of meters their value is equal 1E 20 N12H meters Table 6 gop 3 335 8 Son 2981 3 writing w 25825 S Symbol reading r Range Description 5 5 2 2 3 l v 3225 es a m 223 E 7200 7600 Identifier r E Device identifier Value 61xx Identifier xx04 4 digits executi
32. kQ Each change of the input type causes the setting of the decimal point on the maximal value For tYP 0 to tYP 10 and tYP 12 For tYP 11 d P 1 gt d_P 2 For tYP 13 _ d_P 0 7204 7602 Ranu Not occurs 7206 7603 Rani Not occurs 1208 1604 Tru Not occurs 7210 7605 Tri Not occurs 7212 7606 Aur Not occurs 7214 7607 Ual Not occurs KAIT 7216 7608 ind of change compensation of sensor 0 1999 9 work conditions Value 0 999 9 4 digit meters 0 1999 9 5 digit meters 7218 7609 SCAL Not occurs 7220 7610 ConS Not occurs 7222 7611 Ein Not occurs 7224 7612 Auto Not occurs 1226 7613 dP wir 0 4 Decimal point Value If Ind 0 0 1 From tYP 0 to tYP 10 and tYP 12 0 2 For tYP 11 0 For tYP 13 7228 7614 Cnt w r 0 19999 Quantity of measurements Value 0 9999 4 digit meters 0 19999 5 digit meters 7230 7615 Ind wit 0 1 Individual characteristic Value 0 Characteristic switched off 1 Characteristic switched on In case of change Ind from 1 on into 0 the decimal point d P is seton the max value of the given range 40 7232 7616 Hi w t 19999 19999 Parameters of the individual characteristic Table 7 continuation 7234 7617 wv 19999 19999 Value 1999 9999 4 digit meters
33. n all accessible protection requirements e Before switching the instrument on one must check the correctness of the network lead connection IEC 1010 1 p 6 10 and p 6 11 2 e In case of the protection terminal connection with a separate lead one must remember to connect it before the connection of network leads e Do not connect the meter to the network through an autotransformer e Before taking the meter housing out one must turn the supply off e The removal of the meter housing during the guarantee contract period may cause its cancellation 3 FITTING A Prepare 92 96 x 45 0 6 mm hole in the panel The thickness of the material from which the panel is made can not exceed 15 mm One should introduce the meter from the front of the panel with disconnected supply circuit After introducing the meter fasten it by means of holders N A i ES ai 26 Y L gt E c F Fig 1 Overall dimensions 4 CONNECTION N At the rear side of the meter there are two terminal strip seats A connector with screw terminals or a self locking connector is ad ded to the meter depending on the meter type chosed in the orde ring code The fig 2 shows the connection
34. ndividual characteristic 7238 7619 Y w r 19999 19999 Change range as for the H1 parameter Parameters of the individual characteristic 7240 7242 7620 Pal 7621 PrL1 Not occurs wit Change range as for the Y1 parameter Lower threshold of alarm 1 7244 7622 wit 19999 19999 Change range as for the Y1 parameter Upper threshold of alarm 1 7246 tYP1 7623 w r 0 4 Change range as for the Y1 parameter Type of alarm 1 7248 7624 dLY1 wi 0 19999 Value 0 Normal Switched on Switched off Switched on manually Switched off manually Delay of alarm1 7250 7625 wir 0 1 Value 0 9999 4 digit meters 0 19999 Support of alarm1 signalling 5 digit meters 7252 7626 Pa Not occurs Y Value 0 support switched off 1 support switched on 7254 7627 Pri2 w t 19999 19999 Lower threshold of alarm 1 Change range as for the Y1 parameter 7256 7628 w t 19999 19999 Upper threshold of alarm 1 Change range as for the Y1 parameter 33 Table 5 continuation 34 7258 7629 tYP2 w t 0 4 Type of alarm Value 0 Normal 1 Switched on 2 Sw
35. ommunication network must have eaunique address different from addresses of other devices connected in the network e an identical baud rate and information type 7 3 Description of used functions Following functions of the MODBUS protocol have been implemen ted in meters of N12 series Description of functions Table 3 Code Meaning Reading of n registers Writing of a single register 16 Writing of n registers Identification of the slave device 26 Read out of n registers code 03 h Function is inaccessible in the publication mode Example readout of 2 registers beginning from the register with the address 1 DBDh 7613 Request Register Register Number of Number of Function address address registers registers Hi Lo Hi Lo 01 03 1D BD 00 02 Device address Response Device Function Value from the register Value from the register Check sum address 1DBD 7613 1DBE 7614 CRC 01 03 42 88 Record of values into the register code 06h The function is accessible in the publication mode Example record of the register of 1DBDh 7613 address Request Register Register a Value from the register Function ea ss 1080 7613 01 06 1D BD 3F 80 00 00 Device address Response Register Register Device Function address address address Value from the register 1DBD 7613 Hi Lo 01 06 1D BD 3F 80 00 00 27 Record into n reg
36. on xx05 5 digits execution 7202 7601 w r 0 2 Input type Value 0 600 V range 1 2 5 range Each change of the input type causes the setting of the decimal point on the maximal value For 600 V range tYP 0 gt d For 1 A range tYP 1 gt d P P 1 3 For 5 A range tYP 2 gt d P 3 35 Table 6 continuation 7204 7602 Ranu Not occurs 7206 7603 Rani Not occurs 1208 7604 Tru Not occurs 7210 7605 Tri Not occurs 1212 1606 Aur Not occurs 1214 7607 Ual Not occurs 7216 7608 Con Not occurs 7218 7609 SCAL Not occurs 1220 1610 ConS Not occurs 1222 7611 Ein Not occurs 1224 1612 Auto Not occurs 1226 7613 dP w t 0 4 Decimal point Value If Ind 0 0 1 For 600 range tYP 0 0 3 For 1 A 5 A range tYP 1 or 2 If Ind 1 0 3 4 digit meters 0 4 5 digit meters 7228 7614 Cnt w t 0 19999 Quantity of measurements Value 0 9999 4 digit meters 0 19999 5 digit meters 7230 7615 Ind w t 0 1 Individual characteristic Value 0 Characteristic switched off 1 Characteristic switched on In case of change Ind from 1 on into 0 the decimal point P is placed the maximal value for the given range 7232 7616 Hi w t 1999 9 1999 9 Parameters of the individual characteristic Value 199 9 999 9 4 digit meters
37. on matrix into the programming mode 15 1 Parameter Description Range of changes symbol tYP Kind of connected N12T input signal Resistance thermometers lt depends on the meter type Pt100 PtS Pt500 Pt10 Pt1000 1 100 100 Thermocouples tE J J Fe CuNi tE h K NiCr NiAl tE n NiCrSi NiSi tE E E NiCr CuNi tE r R PtRh13 Pt tE S 5 PtRh10 Pt nAP voltage measurement rEZL resistance measurement up to 400 Q rEZH resistance measurement up to 4 N12S 1U 1V range 10U 10 V range nnAL 20 mA range nnAH 200 mA range N12H 600U 600 V range 1A 1 A range 5A 5 A range 16 Table 1 continuation Con Kind of compensation of sensor Auto automatic compensa working condition changes tion in case of resistance e in case of resistance thermometers and thermometers and resistance resistance measurements measurements it concerns a 3 wire line is required the compensation of resistance 0 60 changes of leads connecting the temperature value for sensor to the meter thermocouples e in case of thermocouples 0 40 Resistance of it concerns the compensation of two leads for resistance cold junction temperature thermometers and changes resistance measurements The automatic compensation Accuracy of data does not work in case of introducing 0 1 measurements of rEZH Pt10 and W
38. operation follows causes the operation at The alarm switching off follows the moment of alarm without delay The parameter appearance takes in account the number of averaged measurements Cnt and treats the whole cycle of averaging as a single measurement LEd1 Support of the alarm On support switched on LEd2 signalling In the situation OFF support switched off when the function of support is switched on after the withdrawal of the alarm state the signalling diode is not blanked 19 Table 1 continuation The function signals the alarm state till the moment of its blanking by means of the combination of and lt 4 keys This function only and exclusively concerns the alarm signalling and the relay contacts will act without support according the chosen alartm type tYPa Type of analog output PrAd current nAP voltage AnL Lower threshold of the analog In the 4 digit execution output It is the parameter 1999 9999 defining the value on the In the 5 digit execution display for which we want 19999 19999 obtain 0 on the analog output AnH Upper threshold of the analog In the 4 digit execution output 1999 9999 It is the parameter defining In the 5 digit execution the value on the display for 19999 19999 which we want obtain the max value 20 mA or 10 V on the analog output bAud Baud rate of the RS 485 2400 2400 bps interface 4800 4800 bp
39. range of changes given in the table 1 the meter will automatically carry out the change into the minimal value Similarly in case when the introduced value exceeds the lower range of changes given in the table 1 the meter will automatically carry out the chan ge into the maximal value 23 Standard parameters of the meter TABLE 2 Parameter Level in the Standard value symbol matrix N11T N11S N11H d P Cnt Ind H1 Y1 H2 Y2 PrL1 PrL2 PrH1 PrH2 tYP1 tYP2 dLY1 dLY2 LEd1 LEd2 tYPA AnL AnH bAud trYb Adr 7 RS 485 INTERFACE N12 programmable digital meters have their serial link in the RS 485 standard to communicate in computer systems and with other devices fulfilling the Master function The MODBUS asynchronous character communication protocol has been implemented on the serial link The transmission protocol describes the ways of informa tion exchange between devices through the serial link 24 7 1 Connection way of the serial interface The RS 485 standard enables the direct connection to 32 devices on a single serial link of 1200 m length For the connection of a greater quantity of devices it is necessary to apply additional inter mediate separating systems The lead out of the interface line is given in the meter service manual To obtain a correct transmission it is necessary to connect lines A and B in parallel with their equivalents
40. ressure and hold down of the C key during sec causes the entry into the monitoring menu After the monitoring menu one must move by means of Y Jand 4 keys In this menu all programmable meter parameters except service parameters are only accessible to the read out The exit from the monitoring menu takes place by means of the lt key On the monitoring menu parameter symbols are alternately displayed together with their values The fig 4 shows the operation algorithm of the meter The appearance of the following symbols on the digital displays means Uncorrectly introduced security code Overrunning of the upper measuring range or a lack of sensor Overrunning of the lower measuring range or sensor short circuited Edel Compensation error of the lead resistance No connected or damaged lead M ZLN eui jo uojesado r Bld 39109 uonduosul ug jo Aejdsiq Jo Bursesy Jo Bursel3 pJOMSSE Y uononpoJjur Jo 095 Jo ejdsig nuau 13 6 PROGRAMMING The key lt pressure and its holding down during seconds causes the display of the security code symbol SEC alternately with the 0 value set up by the manufacturer The writing of the correc
41. riting of values beyond Pt5 the manual compensation interval will cause the automatic compensation switching on d P Setup of the decimal point Setting possibilities This setup works both at switched off and switched on individual characteristic In the only exception that at the switched off individual character istic the decimal point is limited in the 5 digit meters e In case of rEZL temperature resistance 600 V and 200 mA measurements to 1 digit after the decimal point one can set up 0000 0 or 00000 e In case of 60 mV or 10 V voltage and 20 mA current measurements to two digits after the decimal point one can set up 000 00 0000 0 or 00000 in 4 digit execution 0 000 in 5 digit execution 00000 0000 0 000 00 00 000 0 0000 17 Table 1 continuation In case of 1 V 1 Aand 5 measurements to three digits after the decimal point one can then set up 00 000 000 00 0000 0 00000 e In case of rEZH resistance measurement lack of decimal point In a 4 digit meter e In case of temperature measurement lack of decimal point e Other inputs as above Other possibilities are ignored and the meter automatically sets up the decimal point Cnt Number of measurements In 4 digit execution 0 9999 In 5 digit execution 0 19999 The 0 writing causes the measurement switching off and the display blanking Ind Switching off or on the individual line
42. ronment of high interferences one should use external filters It is recommended to use screened leads on the meter input As a feeder cable one must use a two wire cable and choose the lead cross section such that in case of a short circuit from the device side the protection of the cable was ensured by means of the electric installation fuse Requirements related to the feeder cable are regulated by the IEC 1010 1 p 6 10 and p 6 11 2 standard 5 OPERATION After switching the meter on its type and next the program version are displayed on the display After 10 sec the meter transits auto matically into the measuring mode and the input signal value 15 di splayed The meter blanks automatically insignificant zeros The exceeding of the alarm threshold is signalled by means of alarm diodes 1 and 2 The basic unit of the measured value is automatically highlighted by the meter 1 a Unit CLECE 12 Erasing Alarm key CJ C diodes Key to Key to Acceptance decrease increase key the value the value b 1 EHBE diodes Erasing key E CA Key to Key to Acceptance decrease increase key the value the value Fig 3 Description of the meter faceplate a 5 digit execution b 4 digit execution 1 Not exists in the 4 digit 20mm execution 10 Key functions lt acceptance key e entry into the programmin
43. s 9600 9600 bps TrYb Kind of transmission through OFF interface switched off the RS 485 interface A8n1 ASC 8N1 A7E1 ASCII 7E1 A7o1 ASCII 701 r8n2 RTU 8N2 r8E1 RTU 8E1 r801 RTU 801 Adr Device address 0 247 20 Table 1 SEt Writing down of manufacturers A pressure of the lt key settings Parameter values causes the writing down of set up by the manufacturer standard parameters into the are shown in the table 2 meter The execution of this operation 15 signalled by the inscription End SEC Introduction of a new In 4 digit execution password 1999 9999 In 5 digit execution 19999 19999 tSt Display test The pressure of the _ lt The test consists on key causes the test consecutive switching on of switching on The gt digital display segments ends the test mE Alarm diodes and illuminating diodes of the unit should be lightened or blinking The blinking diode means that the relay is switched off JEd On highlighting switched on OFF highlighting switched off Exit of the parameter group from the chosen level The pressure of the key causes the exit of the parameter group from the chosen level 21 Contact state Relay switched on 0 Relay switched Measured quantity PrL PrH PrH PrL b nor Contact state 1 lay switched off 0 switched on T
44. se the AnH parameter and introduce the value 20 00 57 11 EXECUTION CODES METER N12 Input temperature programmable input 1 V d c 10 V d c 20 mA d c 200 mA d c 600 V d c 1 A d c 5 A d c turns frequency period pulses single phase parameters for synoptic panels as per the order x lt x lt x lt x lt x lt XX X Number of displays 4 x 20 mm high digits 4 5 x 14 mm high digits 5 Display colour red 0 green Supply voltage 230 V a c d c 24 V a c d c 2 Kind of terminals socked plug with screw connections 0 socked plug with self locking connections Execution standard 00 custom made XX Acceptance tests without a quality acceptance test 0 with a quality inspection certificate 1 acc customers agreement x Unit field introduce the unit symbol XXX Order example N12 S 4 1 1 0 00 0 mA means a meter with standard signals with 4 displays in green colour voltage supply 230 V a c d c kind of terminal socket plug with screw connection standard execution without a quality acceptance test with the highlighted mA unit 58 e In case of a custom made execution or need of more detailed technical information please contact our Technical Department e In case of any meter failure one must contact the nearest authorized service workshop 12 MAINTENANCE AND GUARANTEE Th
45. t code causes the entry into the programming matrix The transition matrix into the programming mode is shown on the fig 5 We choose the level by means of the lt key whereas the entry and moving through parameters of the chosen level is carried out by means of the J and keys Parameter symbols are displayed alternately with their actual values In order to change the value one must use the key To resign of the parameter change one must press the 9 key To exit from the chosen level one must select the symbol and press the lt key In order to exit from the programming matrix into measurement one must press the EL key The inscription HEY occurs and after 5 sec the meter will automati cally enter into the measurement of the input quantity Way of changing the value of the chosen parameter In order to increase the value of the chosen parameter one must press the _4 key A single pressure of this key causes a value increase of 1 The hold of the pressed 4 key causes a continu ous increase of the value down to the display of the 0 value The jump to the next digit follows after this value The further chan ge is similar The key release in any moment causes a jump to the first digit It is similarly in case of the value decrease 14 single pressure of the key causes a value decrease of one The hold of the key pressure down causes a continuous de crease
46. tched off Switched on manually Switched off manually Delay of alarm1 Value 0 9999 4 digit meters 0 19999 5 digit meters 41 Table 7 continuation 7250 7625 LEd wir 0 1 Support of alarm1 signalling Value 0 Support switched off 1 Support switched on 7252 7626 Pa Not occurs 7254 7627 PrL2 19999 19999 Lower threshold of alarm 1 Change range as for the Y1 parameter 7256 7628 w r 19999 19999 Upper threshold of alarm 1 Change range as for the Y1 parameter 7258 7629 tYP2 wit 0 4 Type of alarm Value 0 Normal 1 Switched on 2 Switched off 3 Switched on manually 4 Switched off manual 7260 7630 dLY2 wit 0 19999 Delay of alarm 2 Value 0 9999 4 digit meters 0 19999 5 digit meters 7262 7631 LEd2 0 1 Support of alarm 2 signalling Value 0 Support switched off 1 Support switched on 7264 7632 tYPO not occurs 7266 7633 ConO not occurs 28 7634 nioc o 77 765 wr 0 1 Analogueoutputtype Value 0 Curren 1 Voltage 7272 7636 AnL w r 19999 19999 Lower threshold of analogue output Change range as for the Y1 parameter 7274 7637 AnH w t 19999 19999 Upper threshold of analogue output Change range as for the Y1 parameter 7276 7638 hour not occurs 7278 76
Download Pdf Manuals
Related Search