NA6 USER'S GUIDE
Contents
1. Chamel2 10 9 8 7 Channel 2 10 9 8 Channel 2 10 9 113 41516 1 31415 Channel 1 4 GND 600 V GND 40 GND 5A 600 V voltage input 40 mA current input 5A current input 24V 40 24V 40 Channel 2 14 13 10 Channel 2 14 13 8 10 Channel 1 14 13 3 Channel 1 14 13 5 3 Tx T E lt Two wire object transducer Three wire object transducer b Connection way of input signals 11 32 31 30 29 28 27 26 25 24 23 32 31 30 29 28 27 26125 PTT TIT 4400 A1 A2 A3 A4 A5 7 A8 GND 1 5 AT 8 outputs of OC type 4 relay outputs c Connection way of digital and analogue output signals depending on the execution code p A B GND IBM PC computer 1 NA6 Meter ae aa GND i i 10 RIS 1 9 i h32 IBM PC computer with RS 485 card NA6 Meter i 2 6 i a a oco o ees A i GND i i d Connection way of the RS 485 interface Fig 3 External connections of the NA6 meter Taking into consideration electromagnetic interference it is recommended to use shielded conductors f2. jo ed pur JO enje indu 1900 voj 2eng 191 g 3 yoeseyo ouny jo sue ed pul Jo puly indul ipo vo 2973 PH 253 Examples of value changing of the chosen parameter parameter symbol Example of value changing of the chosen parameter without changing of the decimal point number parameter Blanking of insignificant CA CA CA zeros Change of the Change of the Change of the Change of the flickering position flickering position flickering position flickering position 0 9 1 Example of value changing of the chosen parameter with changing of the decimal point number parameter Adjustment of the decimal CA CA point Change of the Change of the Change of the Change of the Change of the flickering coma flickering position flickering position flickering position flickering position 0 9 1 Fig 7 Meter programmable parameters are presented in the table 1 The programming of parameters is possible after the previous introduction of the password 19 Programmable parameters of NA6 meter Ta
3. 100 1100 100 1370 C 100 1300 C 100 850 C 0 1760 C 0 1760 C 50 400 C 0 10 KQ 300 mV input resistance gt 9 600 V input resistance 4 2 MO 40 input resistance lt 4 Q 5A input resistance 10 10 Measuring subranges preserving the class Pt100 Pt500 Pt1000 Thermocouple J Thermocouple K Thermocouple N Thermocouple E Resistance Voltage Current 320 C 230 C 290 C 350 C 700 C 450 C 950 C 550 C 1000 C 250 C 520 C 110 Q 220 0 460 0 9500 21002 50002 19 mV 35 mV 75 mV 155 mV 5 V 11 V 22 V 45 V 90 V 180 V 360 V 5 mA 11 mA 23 mA 1 8A 3 8A Intensity of current flowing through the resistance thermometer 400 Resistance of conductors linking the resistance thermometer with the meter lt 20 0 1 wire Thermocouple characteristics acc EN 60584 1 Resistance thermometer characteristics acc IEC 751 A1 A2 50 OUTPUTS Analogue outputs galvanically isolated with a resolution 0 025 of the range current programmable 0 4 20 mA or voltage programmable 0 10 V output response time output error additional error due to ambient temperature changes Relay output load resistance x 500 Q load resistance gt 500 Q 100 ms 0 296 of the range 0 1 of the range 10K 4 relays voltageless make contacts maximal load
4. blue green blue r Gb red green blue fu 4 5 5 S a 5 p Parameter to set the magnifier on the bargraph Lower threshold Value on the display at which the bargraph is to be blank Setting possibility 1999 9999 22 Parameter to set the magnifier on the bargraph Upper threshold Value on the display at which the bargraph is to be lighted Setting possibility 1999 9999 AL ito ALG Parameters of alarm 1 to alarm 8 Choice of the channel on which the alarm is to react Ch i channel 1 Che channel 2 Pei Lower alarm threshold 1999 9999 Upper alarm threshold 1999 9999 ESPA Alarm type Fig 8 shows alarm types moe normal switched on GFE switched off manually switched the time of the alarm type change the alarm output is being permanently switched on HOF manually switched off Till the time of the alarm type change the alarm output is being permanently switched off Delay of the alarm operation The parameter is defined in seconds i e one must give the time in seconds after which the alarm will operate after its occurrence The alarm operation follows after the measurement averaging The alarm switching off follows without delay 0 0 999 9 Introduction of 0 0 causes the opera tion at the
5. o2 gt 58 oo Yt ES ES ES ix ix oix x ix ex ix ix e ix ix o c oO c oO 7 D D Working 9 wo N E E E E E E E E imu S S S S 5 S 5 Xo X X X X X X X unit bits 15 14 13 12 11 10 9 MSB LSB Bit 15 No used Bit 14 13 Record of measurement results in memory 0 Registration switched off 0 Registration from the channel 1 1 Registration from the channel 2 1 Registration from the channel 1 and 2 Bit 12 State of alarm 8 0 off 1 on Bit 11 State of alarm 7 0 off 1 on Bit 10 State of alarm 6 0 off 1 on Bit 9 State of alarm 5 0 off 1 on 48 Bit 8 State of alarm 4 0 off 1 on Bit 7 State of alarme 3 0 off 1 on Bit 6 State of alarm 2 0 off 1 on Bit 5 State of alarm 1 0 off 1 on Bit 4 2 Working mode and information unit 000 interface switched off 001 8N1 ASCII 010 7E1 ASCII 011 701 ASCII 100 8N2 RTU 101 8E1 RTU 110 801 RTU 111 8N1 RTU Bit 1 0 Baud rate 00 2400 bit s 01 4800 bit s 10 9600 bit s 49 7 TECHNICAL DATA INPUTS Pt100 Pt500 Pt1000 J Fe CuNi K NiCr NiAl N NiCrSi NiSi E NiCr CuNi R PtRh13 Pt S PtRh10 Pt T Cu CuNi Resistance measurement Voltage measurement Voltage measurement Current measurement Current measurement 200 850 200 850 200 850
6. COPS copying the result result result for the channel 1 result result for the channel 2 _ of compensation of sensor working conditions changes In case of a resistance thermometer and resistance measurement it con cerns the compensation of the resi stance changes of the conductor lin king the sensor with the meter Incase of a thermocouple it concerns the compensation of reference junction temperature changes Add addition result result Sub subtraction result result result for the channel 1 result result result for the channel 2 URS multiplication result result a division result lt result result for the channel 1 result result result for the channel 2 Aut o automatic compensation in case of resistance thermometers and resistance measurement it requires a 3 wire line 0 0 60 0 C value of the reference tem perature for thermocouples 0 0 40 0 Q resistance of two conduc tors for resistance thermometers and resistance measurement The writing of a value beyond the interval of manual compensation e g value 70 0 will cause the automatic compensation Switching on Setting of the decimal point The setting operates both when the individual characteristic is switched off and on The introduction of the decimal point making impossible the display of four characters on the display will ca
7. Choose the parameter of the bargraph 2 and introduce the value 500 2 Example 8 Programming of the channel 1 recording every 20 sec from 12 30 and channel 2 recording every 5 minutes from 14 00 enter into the programming mode choose the Gor1 parameter and introduce the value 12 30 e transit into Int parameter and introduce the value 00 00 20 enter into the programming mode choose the Gor2 parameter and introduce the value 14 00 e transit into Int2 parameter and introduce the value 00 05 00 choose the rEc parameter and switch rE12 recording on After exiting from the programming matrix the memory will be erased and the meter begins to record results from the channel 1 from 12 30 every 20 second and from the channel 2 from 14 00 every 5 minutes The meter switches the recording off in the channel in which the filling of the memory follows 58 10 ORDERING PROCEDURE Table 5 METER WITH BARGRAPHS x xx x x x x x x xx x Bargraph colour colours 6 R T 7 colours B R G R B G B R G B M Display colour on channels 1 and 2 without displays 00 red red RR red green RG red blue RB green red GR green green GG green blue GB blue BR blue green BG blue blue Input signal universal inpu on order Analogue output signal without ou c
8. Green blue Gb Red Green Blue rGb Choice of channel number for analogue output Output cha racteristic Channel 1 Channel 2 Characteristic of the analogue output Baud rate 1999 9999 1999 9999 1999 9999 1999 9999 Value 0 Characteristic switched off 1 Characteristic switched on Parameters of the analogue output characteristic Parameters of the analogue output characteristic Parameters of the analogue output characteristic Parameters of the analogue output characteristic Baud rate of the RS 485 interface Working mode Value 2400 bi 4800 bi 9600 bi Working mode of the MODBUS protocol Value 1 ASCII 8N1 ASCII 7E1 ASCII 701 2 3 4 RTU 8N2 RTU 8 2 RTU 802 RTU 8 1 Address ks Choice of the device address Test of the display Lack of operation Test 0 23 5959 Current time This parameter occurs with four places after the decimal point in format gg mmss where gg means hours mm means minutes 55 means seconds In case when introducing and incorrect time the indicator will correct it automatically Recording b Registration of measured value Value 0 Recording switched off 1 Recording from channel 1 2 Recording from channel 2 3 Recording from channel 1and2 Time interval of
9. 1 and choose the function assigned as nor 56 enter into the programming mode choose the ChnA parameter of the alarm 2 and choose the channel 2 Ch2 choose the PrL parameter of the alarm 2 and introduce the value 1000 e transit on the PrH parameter of the alarm 2 and introduce the value 199 e transit on the tYPA parameter of the alarm 2 and select the function nor Example 4 Programming of an alarm operating in a set interval with delay If we want that the alarm 1 will be switched on in the interval from 100 V to 300 V for the channel 1 and operate only after 10 seconds one must enter into the programming mode choose the ChnA parameter of the alarm 1 and choose the channel 1 Ch1 enter into the programming mode choose the PrL parameter of the alarm 1 and introduce the value 100 e transit on the PrH parameter of the alarm 1 and introduce the value 300 e transit on the tYPA parameter of the alarm 1 and select the function On e transit on the dLY parameter of the alarm 1 and introduce the value 10 0 in case of the alarm state duration for a time longer than 10 seconds the meter will Switch the alarm relay on Example 5 Programming of an analog output If we want to programme so that to the displayed value 0 00 mA for the channel 2 will correspond the value 4 00 on the analogue output whereas to the value 20 00 mA the value 20 00 mA one must enter into the programming mode choose the ChnO parameter and choose
10. H2 on Value d H1 on the display gt value O Y1 on the analogue output other characteristic points are calculated he display gt value O Y2 on the analogue output Fig 9 28 dividual characteristic of the display b Individual characteristic of the analogue output Examplary settings of the bargraph and the alarm ex 1 bargraph Curt G green Cur H red green c 5 na Gn e Value under the value Pet Value between Petand Pe Value ower Value without changes in time Value increases Value decreases u Fig 10 Bargraph modes Notice AN The meter is working in the measuring range of defined indications by the user in Loln and Hiln parameters Below and over it shows a range exceeding In case when the meter is working with a resistance thermometer in a two wire system the choice of the automatic compensation option of conductor resistance changes will cause a defective meter operation and the display of ErrC inscription In case of the display individual characteristic switching on the result on the display is linearly converted according to the introduced parameters H1 H2 d Ylid Y2 n case of arithmetical functions and individual characteristic switching on in the first sequence arithmetical operations will be carried out and the obtained result is converted by
11. REQUIREMENTS SAFETY INFORMATION Symbols located in this service manual mean WARNING 2 Warning of potential hazardous situations Especially important One must acquaint with this before connecting the NA6 meter The non observance of notices marked by these symbols can occasion severe injuries of the personnel and the damage of the instrument CAUTION AN Designates a general useful note If you observe it handling of the meter is made easier One must take note of this when the instrument is working inconsistently to the expectations Possible consequences if disregarded In the security scope the meter meets the requirements of the EEC Low Voltage directive EN 61010 1 issued by CENELEC Remarks concerning the operator safety 1 General AN The NA6 meter is destined to be mounted on a panel Non authorized removal of the required housing inappropriate use incorrect installation or operation creates the risk of injury to personnel or damage to equipment For more detailed information please see the user s guide All operations concerning transport installation and commissioning as well as maintenance must be carried out by qualified skilled personnel and national regulations for the prevention of accidents must be observed According to this basic safety information qualified skilled personnel are persons who are familiar with the installation assembly commissioning and operation of the product and who
12. ca 3 seconds entry into the chosen parameter level entry into the changing mode of the parameter value acceptation of the changed parameter value Key to increase the value display of the minimal value first pressure maximal second pressure return to measurement third pressure mowing on the preview menu or programming matrix change of the chosen parameter value increasing of the value Escape key entry into the menu of recording results entry into the preview menu or programming matrix exit from the preview menu or programming matrix escape from the parameter change The pressure and hold down the e key during 3 seconds causes the entry into the programming mode The programming mode is protected by the SEC safety code The pressure and hold down the key during 3 seconds causes the entry into the preview menu and the menu of recorded values One must move on the pre view menu by means of the key In this menu only all programmed ters except servicing parameters are accessible to readout The exit from the preview menu is operated by means of the ry key It is also possible in the preview menu to review recorded c St values 14 The pressure of the key on the 72 54 parameter causes the entry into the preview menu of recorder values The recorded result number is displayed alter nately with the value e g 328 0 14 The moving on recorded
13. connected in the network e an identical baud rate and information type 6 3 Description of the MODBUS protocol functions Following functions of the MODBUS protocol have been implemented in NA6 meters Function description Table 3 Meaning 03 03 h Read out of n registers 06 06 h Recording of a single register 16 10 h Recording of n registers 17 11 h Identification of the slave device The maximal number of the registers for writing or readout by one order is equal 28 32 Read out of n registers code 03 Function is inaccessible in the publication mode Example readout of 2 registers beginning from the register with the address 1 DBDh 7613 in RTU mode 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 Number Value from the register Value from the register address of bytes 1DBD 7613 1DBE 7614 01 03 08 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 RTU mode Request Register Register Device Value from the register address Function re ion 1080 7613 01 06 1D BD 00 00 Response Register Register Function address address Hi Lo 01 06 1D BD Device address Value from the register 1DBD 761
14. degree phase to earth max working voltage input supply relays analogue output RS 485 N 600 V 300 V 300 V 50V 50V 53 8 BEFORE FAILURE WILL BE DECLARED In case of incorrect symptoms please to acquaint with the table below SYMPTOMS PROCEDURE 1 Lack of indications on the display The bargraph indicates nothing Check the connection of the feeder cable 2 The time is displayed on the display e g H_12 alternately with 34 43 The number of measurements Cnt 0 has been introduced The meter is working in the SLEEP mode It displays the current hour 3 Marks EXE or are displayed on the display Check the correctness of the input signal connection See the service manual Check also the setting of parameters D P Ind Loln and Hiln 4 Asignal inconsistent with our expectations occurs on the meter analog output One must check if the load resistance of the analogue output is in accordance with technical data Check if the individual characteristic is not switched on In case of necessity make changes of individual characteristic parameters or introduce manufacturer parameters Set 5 Lack of possibility to enter into the programming mode The inscription Err is displayed 54 The programming mode is protected by a password When the user forgets which password has been introduced he should contact by phone the manufacturer or the nearest authorised worksho
15. have qualifications necessary for their occupation 2 Transport storage Please observe the notes on transport storage and appropriate handling Observe the climatic conditions given in Technical Data 3 Installation The meter must be installed according to the regulation and instructions given in this user s guide Ensure proper handling and avoid mechanical stress Do not bend any components and do not change any insulation distances Do not touch any electronic components and contacts Instruments may contain electrostatically sensitive components which can easily be damaged by inappropriate handling Do not damage or destroy any electrical components since this might endanger your health 4 Electrical connection Before switching the meter on one must check the correctness of connection to the network In case of the protection terminal connection with a separate lead one must remember to connect it before the connection of the instrument to the mains When working on live instruments the applicable national regulations for the prevention of accidents must be observed The electrical installation must be carried out according to the appropriate regulations cable cross sections fuses PE connection Additional information can be obtained from the user s guide The documentation contains information about installation in compliance with EMC shielding grounding filters and cables These notes must be ob
16. moment of the alarm occur rence Support of alarm signalling In the situation when the holding function is switched on after the alarm state stoppage the alarm is still switched on relay or OC contacts The alarm state is active till the moment of erasing it by means of the combination of lt and ex keys GFF The maintenance of the alarm output is switched off Gn The maintenance of the alarm output is switched on 23 Output parameters t Colour of the lower threshold alarm marker Colour of the upper threshold alarm marker Choice of the channel on which the analog output is to react GFF alarm marker switched off C red green m red green Other colours are accessible only in meters with a 7 colour bargraph b blue blue Gb green blue rc 06 green blue Fig 10 explains the idea of CurL and CurH parameters l channel 1 Che channel 2 Switching off or on of the individual linear user s characteristic individual characteristic of the analog output n s un characteristic switched on GFF characteristic switched off When the characteristic is switched off the meter operates at the maximal range depending on input and range output Parameters of the individual cha racteristic of the analog output On the base of given coordinates of two points by t
17. number gt 42 Day of the memorised value Day of memorised value in memory lt Channel number gt Time of the 7663 memorised value 0 23 5959 Time of memorised value in memory lt Channel number gt This parameter occurs with four places after the decimal point in format gg mmss where gg means hours mm means minutes Ss means seconds In case when introducing and incorrect time the meter will correct it automatically Index of the memorised value Number of memorised value in memory Channel number Status Operation status on the buffer Channel number Value 0 Lack of operation 1 Searching acc date and time registers nr 7660 7663 and 7320 7326 Searching acc time registers nr 7663 and 7326 Searching acc index registers nr 7664 and 7328 Load next values into the buffe registers7672 7691and 7344 7382 Load previous values into the buffer registers7672 7691 and 7344 7382 Go to the first memorised value in memory Go to the last memorised value in memory 43 Number of the Number of memorised value in memory memorised placed in the first register value of the buffer lt channel number gt Value 0 Memory is empty 1 750 Number of the memorised value Number of recorded Number of recorded buffer registers registers lt channel
18. number gt Value 0 Buffer is empty 1 750 Number of recorded registers 1970 2038 Year for the value in the first register lt channel number gt 1 12 Month for the value in the first register lt channel number gt 1 31 Day for the value in the first register lt channel number gt 0 23 5959 Time for the value in the first register lt channel number gt This parameter occurs with four places after the decimal point in format gg mmss where gg means hours mm means minutes 55 means seconds 7672 Memorised values read off from the 7691 memory channel number 7344 7382 20 registers including 20 memorised values 1 In case of registers not occurring in the given meter series their value is 1E 20 44 6 6 Registers only for readout Quantity name The value is placed into two Writing w Readout r successive 16 bite registers These registers include the same data as 32 bite registers from the area 7500 The value is placed into 32 bite registers Identifier Constant identifying the device Status 1 Register describing the current state of the meter Register describing the current state of Stats 2 the meter It is the register defining the control Steering procedure of the analogue output out controllability Minimal value of the currently measured value of channel 1 Maxim
19. recording has began Setting possibility 70 01 01 38 12 31 26 Time interval of recording channel 2 Defines the segment of time and at which sequence the result will be to memorised Minimal interval 1 s Format hh mm ss Setting possibility 00 00 00 99 59 59 a nor PrH gt PrL 9 Bir 2 1 Relay switched on E 0 Relay switched off 0 a PrL PrH Measured value 2 b nor PrH lt PrL o I 1 8 1 Relay switched on 0 Relay switched off pOr a PrH PrL Measured value a c OFF S 1 1 Relay switched on 0 Relay switched off B a PrL PrH Measured value d On a 8 4 8 1 Relay switched on 5 0 Relay switched off 2 20 i i t 1 gt PrL PrH Measured value Fig 8 Alarm types a b normal c switched off d switched on 27 Display d Y ed quantity Any characteristic A 2 slope VU CP E d_Y1 Any displacement of the characteristic gt H1 H2 Measured quantity Value H1 on the meter input gt value d Y1 on the display Value H2 on the meter input gt value d Y2 on the display other characteristic points are calculated b Quantity on the analog y vals Any characteristic slope YO ec pis sd ens tet epa a hs O Y1 Any displacement of the characteristic d H1 d H2 Displayed value Value
20. registers enclosing the same data as 32 bit registers from the 7600 The value is placed in 32 bit registers Identifier Writing w Readout r Description Device identifier NAG Number of the meter channel Value 0 Channel 1 1 Channel Channel 2 input type Channel number 36 Value Pt100 RTD Pt500 RTD Pt1000 RTD J thermocouple K thermocouple N thermocouple E thermocouple R thermocouple S thermocouple 2 T thermocouple meas up to 10 Volt meas to 300 mV Volt meas to 600 V Current meas to 40 mA Current meas to 5 7206 7603 wit 1999 9999 Lower value of the input range lt Channel number gt Function 1999 9999 Upper value of the input range lt Channel number gt Operation function on channel lt Channel number gt 199 9 999 9 Switched off Squaring Extraction of roots Re recording from the channel Addition of channels Subtraction of channels Multiplication of channels Division of channels Compensation of the channel conductor resistance or cold junction lt Channel number gt Channel decimal point lt Channel number gt 1999 9999
21. technical information please write to or phone our Export Department Input signals Table 6 Universal Resistance thermometer input Pt100 200 850 Pt500 200 850 Pt1000 200 850 Thermocouple J Fe CuNi 100 1100 NiCr NiAl 100 1370 N NiCrSi NiSi 100 1300 E NiCr CuNi 100 850 R PtRh13 Pt 0 1760 S PtRh10 Pt 0 1760 T Cu CuNi 50 400 Resistance 0 10 Voltage 300 mV Voltage 600 V current 40 mA current t5A 60 11 MAINTENANCE AND GUARANTEE The NA6 meter does not require any periodical maintenance In case of some incorrect unit operations 1 From the shipping date during the period given in the annexed guarantee card One should take the meter down from the installation and return it 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 Spare parts are available for the period of five years from the date of purchase The Manufacturer policy is one of continuous improvement and we reserve the right to make changes in design and specification of any products as engine
22. the channel 2 Ch2 enter into the programming mode choose the IndO parameter and switch the individual characteristic On choose the d H1 parameter and introduce the value 0 00 transit on the _ 1 parameter and introduce the value 4 00 transit on the d H2 parameter and introduce the value 20 00 transit on the O_Y2 parameter and introduce the value 20 00 Example 6 Bargraph programming If we want to programme so that the bargraph 1 was of a sector type red colour between PrL and PrH parameters and the bargraf 2 of a trend type green colour between PrL and PrH parameters one must enter into the programming mode choose the tYPb parameter of the bargraph 1 and choose SEct 57 choose the coLr parameter of the bargraph 1 and choose choose the tYPb parameter of the bargraph 2 and choose trEn choose the coLr parameter of the bargraph 2 and choose 6 Example 7 Programming of a bargraph with a magnifier on the bargraph If we want to programme so that the bargraph 1 was blank for the value 0 and is to be full lighted for the value 150 whereas the bargraph 2 is to be blank for the value 25 5 and fully lighted for the value 500 2 one must e enter into the programming mode choose the brL parameter of the bargraph 1 and introduce the value 0 choose the brH parameter of the bargraph 1 and introduce the value 150 Choose the brL parameter of the bargraph 2 and introduce the value 25 5
23. the recording Recording 0 23 5959 Time of the recording start time lt Channel number gt This parameter occurs with four places after the decimal point in format gg mmss where gg means hours mm means minutes Ss means seconds In case when introducing and incorrect time the indicator will correct it automatically 7284 7642 Year wr 1970 2038 Year of the recording start Channel number gt Month of the recording start 7286 7643 rg 1 12 lt Channel number gt 41 7288 7644 wit Day of the recording start lt Channel number gt Erasing of minimum Channel 1 Year Month Day are information parameters they do not serve to define the date from which the recording is to be start Erasing of the channel 1 minimal value Erasing of maximum Channel 1 Erasing of minimum Channel 2 Value 0 Lack of operation Erasing Erasing of the channel 1 maximal value Lack of operation Erasing Erasing of the channel 2 minimal value Erasing of minimum Channel 2 Value 0 Lack of operation 1 Erasing Erasing of the channel 2 maximal value Year of the memorised value 1970 2038 Value 0 Lack of operation 1 Erasing Year of memorised value in memory lt Channel number gt Month of the memorised value Month of memorised value in memory lt Channel
24. to co operate with thermocouples the automatic compensation is switched on other meter executions Sustained overload thermocouples resistance thermometers measurement of voltage current and resistance Momentary overload 3 s sensor and voltage inputs 300 mV voltage input gt 2 5 V current input 52 1 0 1 of the range 0 05 of the range 10K min 200 ms channel min 500 ms channel temperature ranges 95 230 253 V a c d c 20 24 40 V a c d c 40 50 60 440 Hz 10 23 55 25 85 95 no condensation 1 hour 10 min 1 10 10 V 10 x Un 1000 V 10 x In Readout field depending on execution Bargraph resolution Bargraph accuracy Servicing Ensured protection degree through the casing from terminal side Overal dimensions Weight Power consumption Resistance against supply decay Electromagnetic compatibility immunity emission 2 x 4 LED seven segment LED display character height 7 mm indication range 1999 9999 bargraph length 88 mm 48 segments in three colour execution 27 segments in seven colour execution programmable 0 5 segment three keys 3 Ca IP 50 IP 20 48 x 144 x 100 mm with terminals 0 4 kg 13 VA acc EN 61000 6 2 EN 61000 6 2 EN 61000 6 4 industrial environment Safety requirements according EN 61010 1 installation category pollution
25. values follows by means of the key The pressure of this key longer than ca 2 seconds will cause the acceleration of the review The pressure of the e key in any moment will cause the lighting of the number of recorded results The exit from the review of recorded values is operated by me ans of the The algorithm of the meter servicing is presented on the fig 5 15 eu Jo Bl4 1oeuoou uon driosur amp ejdsiq sjndjno jo 1 0 5 HAID 235 5 pauog y uo BY ayy oyu jo e jo e nuour eu uo le JuawmadAnsvapy mayad oes g CY anya anjea ay puu Iy Jo jds q D Jo amp vjdsiq 16 The appearance of the following symbols and inscriptions on the display means t cere Incorrectly introduced safety code Exceeding of the upper measur
26. voltage current resistance load Programmable alarm thresholds Three types of alarms 250 V a c 150 V d c 30V d c 250 V a c 1250 VA 150 W Hysteresis defined by means of the lower and upper alarm threshold Signalling of alarm operation on the bargraph 8 outputs of open collector OC type voltageless OC type with npn transistor max load 25 mA range of connected voltage 5 30 V d c Digital output interface transmission protocol ASCII RTU baud rate maximal response time to the request frame Additional supply output Memory parameters meter memory recording min record interval RS 485 MODBUS 8N1 7E1 701 8N2 8E1 801 8N1 2400 4800 9600 baud 500 ms 24 V d c maximal load 30 mA 750 samples channel 1 or channel 2 or 375 samples channel 1 375 samples channel 2 1 sec 51 Basic error 0 1 of measuring range 1 digit 0 2 of measuring range 1 digit for thermocouples R S T Additional errors in nominal working conditions when measuring the temperature compensation of reference junction temperature changes compensation of conductor resistance changes from ambient temperature changes Averaging time Rated operation conditions supply voltage depending on the execution code supply a c voltage frequency ambient temperature storage temperature relative humidity pre heating time meter
27. 00 Hiin 20 00 20 00 func OFF typ OFF Con 0 manually dus 0 00 00 Cat 1 0 Cort r Alarm 1 and 3 adi OFF OFF other alarms EH rG Alarm 1 and 3 2 51 OFF other alarms 1 0 Chad Chn1 d Se lad OFF Sect colr G 8 89 0 brl 20 0 g He 20 00 0 532 30 baud 9600 Gori 00 00 00 tryb RTU 8N2 dat 70 01 01 Bde 1 inti 00 15 00 0 Gore 00 00 00 Hour 00 00 00 70 01 01 inte 00 15 00 6 RS 485 INTERFACE DB16 programmable digital meters have a serial link of RS 485 standard to communicate in computer systems and with other devices fulfilling the master func tion The MODBUS asynchronous character communication protocol has been implemented on the serial link The transmission protocol describes information exchange procedures between devices through the serial link 6 1 Procedure of the serial interface connection The RS 485 standard enables the direct connection to 32 devices on a single serial link up to a 1200 m distance For the connection of a higher number of devices it is necessary to apply additional intermediate to separating systems The exit of the interface line is presented in the service manual on the fig 3 d In order to obtain a correct transmission it is necessary to connect lines A and B in parallel to their equivalent lines in other devices The connection must be made with a
28. 1 ES ES xix ix x ix x xix ix e ix ix bits 15 14 13 12 11 10 9 MSB LSB Bit 15 Error of the conductor resistance compensation in channel 2 0 Lack of error 1 Signalling of compensation error Bit 14 12 Position of the decimal point in the channel 2 000 lack 001 000 0 010 00 00 011 0 000 100 Auto Bit 11 Signalling of the upper range exceeding of the channel 2 0 normal work 1 range exceeding Bit 10 Signalling of the lower range exceeding of the channel 2 0 normal work 1 range exceeding 46 Bit 9 Individual characteristic of channel 2 0 individual characteristic switched off 1 individual characteristic switched on Bit 8 Error of the conductor resistance compensation in the channel 1 0 lack of error 1 signalling of the compensation error Bit 7 5 Position of the decimal point in the channel 1 000 lack 001 000 0 010 00 00 011 0 000 100 Auto Bit 4 Signalling of the upper range exceeding of the channel 1 0 normal work 1 range exceeding Bit 3 Signalling of the lower range exceeding of the channel 1 0 normal work 1 range exceeding Bit 2 Individual characteristic of the channel 1 0 individual characteristic switched off 1 individual characteristic switched on Bit 1 0 Kind of output voltage current 00 lack of analogue output 01 current 10 voltage 47 Description of the status 2 register 1 2 22 E oc
29. 1999 9999 1999 9999 1999 9999 0000 000 0 00 00 0 000 Auto Channel measurement time lt Channel number gt Channel individual characteristic lt Channel number gt ed characteristic off ed characteristic on Parameters of the channel individual characteristic Channel number gt Parameters of the channel individual characteristic Channel number gt Parameters of the channel individual characteristic Channel number gt Parameters of the channel individual characteristic Channel number 7228 7614 0 1 Bargraph number number Bargraph of channel 1 Bargraph of channel 2 Bargraph Bargraph type type lt Bargraph Nr gt One colour Change of colour after exceeding the alarm threshold the colour change the whole bargraph Intr Change of colour after exceeding the alarm threshold Three segment change of colour SEct One colour bargraph alarm markers in another colour Pint Increasing decreasing trend trEn Bargraph colour lt Bargraph Nr gt Colour Bargraph off OFF Red r Green G Red Green rG Other values are only accessible in meters with RGB diodes Blue b Red Blue rb Green blue Gb Red Green Blue rGb E Magnifier on the bargraph 7234 1617 LE 1999 9999 lt Bargraph Nr gt Lower threshold Ma
30. 3 Record into n registers code 10h The function is accessible in the publication mode Example record of two registers beginning from the register with 1DBDh 7613 address in RTU mode Request Register Number of ees registers Number Value for the register Value for the register Hi Lo Hi Lo 1080 7613 1DBE 7614 Function 10 Response Device address Function Register address Register Number of Number of address registers registers Lo Hi Lo 01 10 1D BD 00 02 Report identifying devices code 11h in RTU mode Example Data readout identifying the device for NA6 with a universal input Request Device address Function Checksum CRC 01 11 Response Device Function Number of bytes CO 2C Device state Device identifier Field depending on the type of device 01 11 08 Device address Function Number of bytes Device identifier Device state Field depending on the device type Device name Analogue output No of the software program Check sum 34 82 FF OOXXXXX depending on the setpoint no of function 0x11 0x08 0x82 OxFF XXXXXX no taken advantage in NA6 meters 00 X X XXX field depending on the type of the analogue output 0x00 lack of analogue output X 00 X X X X 0x01 voltage analogue output X 01 X X X X 0x02 current analogue output
31. TWO CHANNEL DIGITAL TO ANALOGUE METER WITH MULTICOLOUR BARGRAPHS SERIAL INTERFACE NA6 USER S GUIDE Two channel digital to analogue meter with multicolour bargraphs serial interface NA6 USER S GUIDE CONTENTS Page T sero at uM uis 5 2 SET OF THE METER eee c OR es 6 3 BASIC REQUIREMENTS OPERATIONAL SAFETY 7 4 INSTALLATION 9 13 6 RS 485 INTERFACE 31 7 ae d Rec e TOt 50 8 BEFORE A FAILURE HAS BEEN 54 9 EXAMPLES OF NA6 METER PROGRAMMING 56 10 ORDERING PROCEDURE s 59 11 MAINTENANCE AND GUARANTEE sseeeeenennnne 61 1 APPLICATION NA6 series meters with multicoloured bargraphs have an universal input destined to measure temperature resistance voltage from shunts standard signals d c voltage and d c current They can find application in various industrial fields e g food industry intermediate pumping stations sewage treatment plants chemical industry weather stations breweries They are destined for the visualisation of the measured value and evaluation of change trends of checked technological processes They can also find application in automation systems where programmed controllers are applied Fig 1 View of the NA6 meter NA6 me
32. X 02 X X X X software version implemented in the meter X____4 byte variable of float type 2 bytes in case of work in RTU mode 1 byte in case of work in ASCII mode Example Work in RTU mode e g Mode RTU 8N2 value 0x02 in case of readout record through the interface NA6 meter Execution with a voltage analogue output 00 No of the software version 1 00 Device address set on Adr 0 x 01 For such a meter the frame has the following form Device Function Number Device Device Field depending on the address of bytes identifier state device type 01 11 08 82 00 00 80 00 00 6 4 Register map of 0816 meters Register map of NA6 meters Table 4 Address Type of value Description range 7000 7200 32 bits The value is placed in two successive 16 byte registers Registers enclose the same data as 32 byte registers from the 7500 area Registers are only for readout 7200 7400 oat 32 bits The value is placed in two successive 16 bit registers Registers enclose the same data as 32 bit registers from the 7600 area Registers are only for readout 7500 7600 oat 32 bits The value is placed in a 32 byte register Registers are only for readout 7600 7700 oat 32 bits The value is placed in a 32 bit register Registers can be read out and recorded 35 6 5 Registers for recording and readout NA6 meter The value is placed in two successive 16 bit
33. al value of the currently measured value of channel 1 Currently measured value of channel 1 Current time Minimal value of the currently measured value of channel Maximal value of the currently measured value of channel 2 Currently measured value of channel 2 1 In case of registers no occurring in the given meter series their values is 1E 20 Note At the moment of exceeding the upper or lower range displayed value minimum maximum parameters are set on the value 1E 20 For the parameter Cnt 0 Measurement switching off and display of the current time minimum maximum and displayed value parameters set on the value 1E 20 45 Description of the Status 1 register 5 fs D 2 5 8 3 c o o o 5 c x Q 2 2a O9 o po LE o ELIT z a 9c E 2 OG S 92 T T Ou coo of he D 30 2 so 5 3 9c De a et 5 ec ze 5 c5 2 S 55 00 5 5 e Gc o6 ge lt lt lt 95 n 25 55 P5 meme 8 50 ess Pe 50 22 E C e 5 lt lt 25 5 og 333 2 5g Position of lt 24252 5 So 2 E Eg C9 2 SE thedecimal 55 529 0 22295 aes aa 020205 point 050 5 5 channel
34. ble 1 Symbol on the display Parameter description Range of changes Kind of input Reesistance thermometers Pt Pt 5 Pt500 Pt 10 1000 Thermocouples tt J thermocouple type J tt thermocouple type K t amp n thermocouple type N tt E thermocouple type E tt thermocouple type R tt 5 thermocouple type S tt t thermocouple type T r Ee resistance to 10 voltage to 300 mV nRPH voltage to 600 V current to 40 mA curentto 5A Input parameter t i Che Lower value of the input range The setting of parameters Loln and Hiln gives the possibility to narrow the measuring range down Setting possibility 1999 9999 At the input signal lt Loln the meter dis plays the lower exceeding The condition Loln Hiln must be fulfilled The parame ter does not take into consideration the individual characteristic is operates on the measuring signal Upper value of the input range Setting possibility 1999 9999 At the input signal gt Hiln the meter dis plays the upper exceeding The condition Loln Hiln must be fulfilled The parame ter does not take into consideration the individual characteristic is operates on the measuring signal Func 20 Mathematical functions made in the channel GFF mathematical functions switched off Sar raising to a power result Sr E extraction of roots result
35. er instead of displaying the measurement result displays the parameter symbol and its value The meter is working in the preview mode or in the programming mode Press the escape key Despite of the introduced delay in the alarm operation e g 30 seconds but the alarm after this time did not operate The lasting alarm state was shorter than the programmed that means that during the lasting time the alarm withdrawal state occurred In such a case the meter begins to count down the time from the beginning 13 The meter does not establish the communication with the computer through the RS 485 interface Check if interface conductors A B GND were correctly connected Then check in the program ming matrix the setting of the interface bAud trYb Adr These parameters must be the same as in the used software 55 9 EXAMPLES OF NA6 METER PROGRAMMING Example 1 Programming of the individual characteristic If we want to programme so that to the value 4 00 mA will correspond the value 0 on the display whereas the value 100 to the value 20 00 mA one must enter into the programming mode and choose the D_ parameter responsible for the decimal point Set the decimal point on 00000 choose the Ind parameter and switch the individual characteristic On choose the I H1 parameter and introduce the value 4 00 transit on the d Y1 parameter and introduce the value 0 transit on the I H2 parame
36. ering advances or necessity requires and revise the above specification without notice 61 62 63 SALES PROGRAMME DIGITAL PANEL METERS BARGRAPH INDICATORS MEASURING TRANSDUCERS 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 AND INJECTION MOULDS PRECISION ENGINEERING AND THERMOPLASTICS PARTS QUALITY PROCEDURES According ISO 9001 international requirements All our instruments have CE mark For more information please write to or phone our Export Department LUMEL Lubuskie Zaktady Aparatow Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona Gora Poland Tel 48 68 329 51 00 exchange Fax 48 68 329 51 01 e mail lumel lumel com pl http www lumel com p Export Department Tel 48 68 329 53 02 or 53 04 Fax 48 68 325 40 91 e mail export lumel com pl March 2006 KZ1262 06
37. es the erasing of the minimal value from chan nels 1 and 2 Erasing of the maximal value The pressure of the key causes the erasing of the maximal value from chan nels 1 and 2 25 Switching the recording on or off At the moment of switching the recording on the meter erases the previous stored values of the channel 1 and 2 FF recording switched off rtc recording of the channel 1 switched on recording of the channel 2 switched on ie recording of the channel 1 2 switched on Hour of recording start kanal 1 Time format hh mm ss Setting possibility 00 00 00 23 59 59 Date of recording start kanal 1 Date format yy mm dd It is an information parameter It not serves to define the date from which the recording is to begin but only to inform when the recording has began Setting possibility 70 01 01 38 12 31 Time interval of recording channel 1 Defines the segment of time and at which sequence the result will be to memorised Minimal interval 1 s Format hh mm ss Setting possibility 00 00 00 99 59 59 Time of recording start channel 2 Time format hh mm ss Setting possibility 00 00 00 23 59 59 Recording parameters Date of recording start channel 2 Date format yy mm dd It is an information parameter It is not served to define the date from which the recording is to begin but only to inform when the
38. gnifier on the bargraph 7236 7618 71999 9999 lt Bargraph Nr gt Upper threshold 38 Choice of alarm number Ch_Alarm Range of changes is depended on the meter execution code number of alarms Channel number on which the alarm is to react lt Alarm Nr gt 1999 9999 1999 9999 Value 0 Channel 1 1 Channel 2 Alarm lower threshold lt Alarm No gt Alarm upper threshold lt Alarm No gt Alarm type lt Alarm No gt Alarm delay Alarm support Value Normal Switched on Switched off Manually switched on Manually switched off delay Alarm No Alarm signalling support Alarm No Value 0 Support switched off 1 Support switched on Bargraph colour to the lower alarm threshold lt Alarm Nr gt Value 0 Bargraph switched off OFF 1 Red r 2 Green G 3 Red Green Other values accessible only in meters with RGB diodes Blue b Red Blue rb 5 6 Green blue Gb 7 Red Green Blue rGb 39 Bargraph colour after exceeding the upper alarm threshold lt Alarm No gt Value 0 Bargraph switched off OFF 1 Red r 2 Green G 3 Red Green rG Other values accessible only in meters with RGB diodes Blue b Red Blue rb
39. he user the meter determines from the equation system coefficients a and b of the individual characteristic O Yl a d _ 1 O_Y2 a d_H2 b where d_H1 and d_H2 displayed value Y1 and Y2 expected value on the analog output Fig 9 represents the graphical illustration explaining the idea of the individual characteristic Setting possibility 1999 9999 Servicing parameters 5 Baud rate of the RS 485 interface 2400 2400 bis 4820 4800 bis 9600 9600 b s Kind of transmission through the RS 485 interface GFE interface switched off ABa ASCII 8N1 AVE 1 AsCII 7E1 ASCII 701 RTU 8N2 r 8E i RTU8E1 r Bo RTU 801 r Bn I RTU8N1 Device address Manufacturer s parameters Manufacturer s parameters are presented in the table 2 Setting possibility 0 247 The pressure of the 4 key causes the writing of manufacturer s parameters Introduction of a new password Setting possibility 1999 9999 Test of displays and bargraphs The Test consists on a successive display of numbers 1111 2222 etc Successive bargraph colours are lighted on the bargraph The pressure of the key causes the test switching on The pressure of the CO key ends the test Setting of the current time Time format hh mm ss Setting possibility 00 00 00 23 59 59 Erasing of the minimal value The pressure of the key caus
40. inal strips are shown on the fig 3a Connections of input signals are shown on the fig 3b and output signals on fig 3c and 3d The meter has programmable inputs Maximal measuring ranges are given on figures 1 o 32 16 1 Lo zz Power supply 2 o 31 15 g 30 14 2 n EN ee 54 A4 29 13 5 3 A5 o 28 12 o Resistance thermometer e 5 8 Lei p 0 327 11 Thermocouple or 300 mV 8 voltage from shunt ei A7 o 26 10 GND E az gt A8 o 25 9 5A 5 24 8 40 GND o 23 7 600 V J 22 6 600 V gt m Analogue 21 5 output E 120 4 5 5 1 19 3 GND 5 zi Thermocouple 300 mV pus B 18 2 voltage from shunt GND 17 1 Resistance thermometer P a Description of the terminal strip 10 Channel 2 10 11 12 Channel 1 Resistance thermometer in two wire system or resistance measurement Channel 2 10 11 12 Channel1 3 2 1 Resistance thermometer in three wire system Channel 2 10 11 Channel 1 3 2 J Thermocouple or 300 mV voltage
41. ing range or lack of sensor Exceeding of the lower measuring range or short circuited sensor Error of the conductor resistance compensation No connected conductor or damaged conductor It is possible to change meter parameters from the meter keyboard 5 1 through RS 485 p 6 5 1 Change of the NA6 meter parameters from the keyboard The pressure of the m key during circa three seconds causes the display of the SEC EX Inscription alternately with the set zero value by the manufacturer The introduction of the correct code causes the entry into the programming mode The fig 6 represents the transition matrix into the programming mode One can move on groups of main parameters eg Ch1 Ch2 bAr1 bAr2 AI AI2 etc by means of the The pressure of the e key on the given level causes the entry into parameters of this level The moving on the given level is operated by means of the In order to change the value one must use the key In order to escape the parameter change one must press the key By means of the key one can exit from the selected level and programming matrix to the measurement During the meter operation in the programming mode the measurement result is displayed on the bargraph excepting the function of the display test selecting 17 to the programmii in Transition matrix mode 6 Fig joejeu
42. o joejeuo pul jo weled IRP SsoJpe Py Joeseyo pul jo weled IH I joeJeuo pur jo weled IRTP pul jo ueleg IU y Jo sJojoureJed M9ju pes M9jul pes 1 pJo28J p1o281 p40291 cueu zueu cueyd p ueu yueu 10 pav 23 2 95 39 12792 23 enjeA jo jo Aejdsip yduosul eui Jo 1591 H4213 7213 7 9H 353 335 335 usuen NU JO Jo pneg weseg indul 9523 Qu P570 IHTP 0942 Jnojoo Jnojoo ejep ed pjouseju jeuueuo Jedd 9 0 wey J9M01 indu H2 3 RIP Bg 5 3 178 874 Jnojoo adh H28 128 7797 9553 Jnojoo adh H29 1 9 219 9853
43. or the connection of input and output signals The power supply must be connected by means of a two wire conductor with a suitable cross section ensuring its protection by means of an installation fusible cut out in case of a short circuit Requirements concerning the supply cable are regulate by EN 61010 1 p 6 10 standard 12 5 SERVICING After connecting external signals and switching the meter its name 29 6 and also the current version of the program e g IGG are displayed After ca 3 seconds the meter transits automatically into the working mode in which it carries out the measurement and the display of the measured value on the di splay and the bargraph Depending on alarm parameter settings the resolution and bargraph type alarm thresholds are also displayed on the bargraph The meter blanks automatically insignificant zeros 48 element bargraph in three colour execution channel 1 Display channel 2 27 bargraph in seven colour execution Upper alarm threshold channel 1 Lower alarm threshold Lower alarm threshold channel 2 channel 1 48 element bargraph in three colour execution channel 2 27 bargraph in seven colour execution Display channel 1 Escape key Acceptation key Value increasing key Fig 4 Description of the NA6 frontal plate 13 Key functions acceptation key entry into the programming mode hold down during
44. p 6 Lack of certainty if all segments of the display or bargraph are efficient Enter into the programming matrix and switch the display and bargraph tSt test on Character fields are lighted successively from 0000 to 9999 In the same time the bargraph is lighted with successive colours If some of segments are not lighted or diodes have different colours one must submit these defects to the nearest workshop 7 During the operation in the programming mode parameter values inconsistent with the range of changes given in the table 1 appear on the display Enter into the programming matrix and accept the SEt parameter The meter will introduce values in accordance with the table 2 8 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 programming matrix and accept the SEt parameter The meter will introduce parameters in accordance with the table 2 9 The bargraph does not work in accordance with our expectations Check bargraph parameters In case of a further incorrect operation enter into the programming matrix and accept the parameter SEt Switch the display and bargraph tSt test on 10 Despite the exceeding of the alarm threshold the alarm relay does not Switch on Check the delay of alarm operation introduced into the meter In case of need correct dLY parameters The met
45. served for all CE marked products The manufacturer of the measuring system or installed devices is responsible for the compliance with the required limit values demanded by the EMC legislation 5 Operation Measuring systems including NA6 meters must be equipped with protection devices according to the corresponding standard and regulations for prevention of accidents After the instrument has been disconnected from the supply voltage live components and power connections must not be touched immediately because capacitors can be charged The housing and the door must be closed during operation 6 Maintenance and servicing Please observe the manufacturer s documentation Read all product specific safety and application notes in this user s guide manual 8 Before taking the meter housing out one must the supply off e The removal of the instrument housing during the guarantee contract period may cause its cancellation 4 INSTALLATION 4 1 Fitting Prepare a 44595 x 137 5 95 mm hole in the panel The thickness of the material from which the panel is made should be in the range 1 45 mm The meter has screw terminal strips which enable the connection of 2 5 mm cross section external conductors Meter dimensions are shown on the fig 2 max 92 144 i 00 90 80 70 60 50 40 30 20 10 Fig 2 Meter overall dimension 4 2 External connection diagrams The description of term
46. shielded conductor The shield must be con nected to the protective terminal in one point The GND line serves to the additional protection of the interface line at long distan ce connections One must connect GND signals between devices and in one point to the protective terminal that is not necessary for the interface correct operation To obtain the connection with the computer of IBM PC class an RS 232 into RS 485 converter is necessary or an RS 485 interface card The way of NA6 me ter connection through the PD5 converter is shown on the fig 3d The designation of transmission lines for the card in the PC computer depends on the card producer 31 6 2 Description of the MODBUS protocol implementation The implemented protocol is compatible with the PI MBUS 300 Rev G Modicon Company specification Set of serial link parameters of meters in the MODBUS protocol meter address 1 247 baud rate 2400 4800 9600 bit s working mode ASCII RTU e information unit ASCII 8N1 7E1 701 RTU 8N2 8N1 8 1 801 maximal response time 500 ms The serial link parameter configuration is described in the further part of the user s manual It consists on the settlement of the baud rate bAud parameter device address Adr parameter and the type of information unit trYb parameter Note Each meter connected to the communication network must have e aunique address different from addresses of other devices
47. ter and introduce the value 20 00 transit on the d Y2 parameter and introduce the value 100 Example 2 Programming of an inverse individual characteristic If we want to programme so that to the value 4 00 mA will correspond the value 120 5 on the display and the value 10 8 to the value 20 00 mA one must enter into the programming mode and choose the D P parameter responsible for the decimal point Set the decimal point on 0000 0 choose the Ind parameter and switch the individual characteristic On choose the I H1 parameter and introduce the value 4 00 transit on the d Y1 parameter and introduce the value 120 5 transit on the I H2 parameter and introduce the value 20 00 transit on the d Y2 parameter and introduce the value 10 8 Example 3 Programming of the alarm with hysteresis If we want to programme the alarm 1 operation so that at the value 850 C in the channel 1 this alarm will be switched on whereas it will be switched off at the value 100 C and the alarm 2 operation so that at the value 1000 C in the channel 2 this alarm will be switched off and switched on at the value 199 C one must enter into the programming mode choose the ChnA parameter of the alarm 1 and choose the channel 1 Ch1 enter into the programming mode choose the PrL parameter of the alarm 1 and introduce the value 100 e transit on the PrH parameter of the alarm 1 and introduce the value 850 e transit on the tYPA parameter of the alarm
48. ters can have in option a continuous analogue output a relay output open collector OC type outputs and an RS 485 digital output They are programmed by means of the keyboard and through RS 485 NA6 meters realise following functions 2 measurement of the input quantity and displaying it on the display and the bargraphs recounting of the input signal into indication on the base of the individual linear characteristic arithmetical functions on channels addition subtraction multiplication division raising to a power extraction of roots programming of colours and bargraph resolutions signalling of alarm value setting exceedings recording of the measured signal in programmed time segments storage of maximal and minimal values programming of the measurement averaging time programming of the indication resolution deadlock of the parameter introduction by means of a password conversion of the measured quantity into a voltage or current output signal service of the RS 485 interface in MODBUS protocol both in ASCII and RTU mode SET OF THE NA6 METER We deliver in the set NA6 meter 1 pc user s guide 1 pc guarantee card 1 pc plug with screw terminals 1 or 2 pcs depending on execution holders to fix the meter in the panel 2 pcs set of stickers with units 1 pc When unpacking the meter please check whether the type and execution code on the data plate correspond to the order 3 BASIC
49. the individual characteristic n case of the analog output individual characteristic switching on the measurement result is linearly converted according to the introduced para meters d H1 d H2 O Y1i O Y2 29 The meter currently controls the value of the introduced parameter at the moment In case when the introduced value exceeds the upper or the lower range of changes given in the table 1 the meter will make the parameter record In case of the Input type change a simultaneous change of the decimal point follows optimally for the given input After the supply decay the present time is zeroed The recording switching off follows in following cases switching the recording off from the programming matrix change of the input type change of the recording time start or the recording time interval setting Cnt 0 filling of the memory and at a renewed switching of the meter on to the network In case of a bargraph of Intr or Sect type it is possible to set only one and Curh markers from one alarm Other markers are erased automatically Max and Min values are erased in case of change of input type individual characteristic on off writing standard parameters in Standard parameters of the NA6 meter Table 2 Parameter description Standard value Parameter description Standard value x40 Chan Chn1 Loin 20 0 Pri 20
50. urrent programmed 0 4 20 mA voltage programmed 0 10 V on order Digital output signal without outpu RS 485 digital Additional outputs without output 4 relays outpu 8 OC outputs on order gt lt gt Supply 95 253 V a c d c 20 40 V a c d c on order Kind of terminals socket screw plug kkk on order T Execution standard custom made Acceptance test without a quality inspection certificate with an extra quality inspection certificate according customer s agreement In the meter without displays one must order the RS 485 digital output execution The manufacturer assigns the execution code Available execution with self locking sockets Notes E eee 59 Example of ordering Code NA6 MGB U1 1 4 1 0 00 0 means M meter with two 7 colour bargraphs GB digital LED displays of green colour in the channel 1 and blue colour in the channel 2 U universal input table 6 1 current analogue output signal 0 4 20 mA 1 RS 485 digital output signal 4 additional outputs consisting of 4 relays 1 supply 95 253 V a c d c 0 socket screw plug terminals 00 standard execution 0 without a quality inspection certificate In case of a custom made execution or if you need some more additional
51. use the display of the lower or upper exceeding Setting possibility 0000 000 0 00 00 0 000 Ruto automatic choice of the decimal point Input parameter Poni Che Averaging time of the measurement 0 0 999 9 5 The writing of 0 causes the switching of the measurement off and the stoppage of the meter operation In this state the meter displays the hour The bargraph is blank The switching off or on of the individual linear user s characteri stic individual characteristic of the display Ga characteristic switched on GFF characteristic switched off 21 Parameters of the display individual characteristic On the base of given by the user coordinates of two points the meter determines from the system of equations a and b coefficients of the individual characteristic 4_ 2 1_ 2 Where 1_ 111_ 2 measured value d Y1id Y2 expected value on the display Fig 9 shows the way of the individual characteristic operation Bargraph type Setting possibility 1999 9999 OnE one colour bargraph Intr interval bargraph SEe t Sector bargraph P nt point bargraph te En trend bargraph Fig 10 explains bargraph types Bargraph colour FF bargraph switched off C red green other colours are accessible only in meters with a 7 colour bargraph b blue rb
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