BARGRAPH DIGITAL INDICATORS NA2 SERIES USER'S MANUAL
Contents
1. 3 7 threshold threshold type w AL4 PrL Prh tYP 6 Alarm 4 Lower Upper Alarm 3 7 threshold threshold type w OUt AnL AnH Chn Adr 7 Output Lower Upper Channel Interf parame analog analog selection addres ter threshold threshold 4 4 SA 5 Ser SEt SEC tSt 8 Servicing Inscription Entry Test ofstan introd display dard para ing meters w Ind Linear charac ter w exit from the parameter group of chosen level 0 exit from the programming mode 1 occurs only in meters for temperature measurement 2 occurs only when the individual characteristic is included Ind On 3 occurs only in two channel meters NA22 4 parameter serviced only in executions with an analog output 5 parameter serviced only in executions with RS 485 interface 6 inNA21 type serviced only in executions with two relays 7 NA22 type serviced only in executions with four relays two relays in each channel 8 parameter serviced only in execution with RS 485 interface with the MODBUS protocol Fig 6 Transition matrix in the programming mode 15 TABLE 1 Parameter Range Description symbol of changes tYP Kind of connected sensor Resistance thermometers Pt100 Pt100 Pt100 Cu100 Pt100 Ni100 Thermocouples tJ J Fe CuNi tH K NiCr NiAl tE E NiCr CuNi tn N NiCrSi2. ALARM 4 channel 21 30 15 29 14 ALARM 3 channel 11 28 13 230 V a c d c or 24 V a c d c L according to execution 27 12 ALARM 2 channel 2 26 11 125 10 ALARM 1 channel 1 24 23 2 22 24V d c 4 21 20 RS 485 3 19 RTD gt CHANNEL 2 18 17 8 8 8 8 8 8 8 8 8 8 8 eee e 1 exists only in executions with four relays 16 RTD CHANNEL 1 919 919191919919 919 99199 2 exists only in executions with 0 4 20 mA or 0 10 V analog output 3 exists only in executions with RS 485 interface 4 exists only in executions with a 0 4 20 mA 0 1 V 0 10V measuring range Fig 3 Description of NA22 meter terminals 8 Channel2 4T5T Channel 1 1T 213 ve Thermocouple Resistance Resistance Potentiometer or 5 60 mV thermometer thermometer transmitter probe in a probe in a two wire system three wire system b Channel 2 Channel 1 2 S ok SE Z 3 Fig 4 Connection way of the input signal a temperature sensors and the potentio metric transmitter b voltage c current d object transducers A In case of meters working in an environment of high perturbances
3. NA22 Indication range of the digital display 144 x 36 x 130mm IP 50 P 40 IP 00 90 230 253 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 con densation non admissible vertical max 10 VA 20 C 70 C self illuminating display green blue 3 digits 5 mm high 1 bargraph with a 100 segments 84 mm long 2 LED displays 3 digits 7 6 mm high 2 bargraphs with 64 segments 92 mm long 199 999 23 Bargraph resolution programmable Bargraph accuracy 1 segment Operation servicing two 4 keys Relay outputs e programmable alarm thresholds ethree types of alarm see paragraph 6 e hysterezis defined by means of the lower and upper alarm threshold e signalling of thresholds on the bargraph e 1 or 2 relays per channel depended on the execution e voltageless contacts make contacts maximal load capacity voltage 250 V a c 220 V d c current 1 A d c a c power 125 VA 60 W Analog output programmable current 0 4 20 mA load resistance lt 5000 programmable voltage 0 10 V load resistance gt 5000 galvanically isolated resolution 0 025 of the range basic error 0 296 of the range additional error resulting from ambient temperature changes 0 1 10K Digital output RS 485 baud rate 9600 bauds with the LUMBUS protocol e RS 485 baud rate 2400 4800 9600 bauds with the MODBUS prot
4. 20V 200 V 0 4 20 mA 0 200 mA 0 2A custom made Alarm outputs 1 relay per channel 2 relays per channel Output without output current analog output 0 4 20mA voltage analog output 0 10V RS 485 LUMBUS interface RS 485 MODBBUS interface Supply voltage 290 M8 6 540 62 24 RE DA SSS 1 ANSE OCs ro CS Lr REEL GR re to 2 Acceptance tests without a quality inspection certificate with a quality inspection certificate according customer s agreement BONO 28 one channel fluorescent displays two channels LED displays the manufacturer establishes the execution number In case of a custom made execution need and for more detailed information please contact the manufacturer s Export Department In case of meter deterioration please contact your distributor ORDERING WAY In the order one must specify the name and the execution code of the NA2 meter using the table 5 Example NA2 2G U 02 2 2 2 1 bargraph meter means an NA2 type meter with two channels and green display colour d c voltage input measuring range 0 150 mV with two relays per channel with a voltage analog output 0 10 V supply voltage 24 V a c d c with a quality inspection certificate 9 MAINTENANCE AND WARRANTY The NA2 indicator does not required any periodical
5. bit SEt Writing down of manufacturer s A pressure of the key causes the settings parameter values set up by the manufacturer are shown in the table 2 writing down of standard parameters into the meter The execution of this operation is signalled by the inscription End 16 Introduction of a new entry 0 999 password Displays and bargraph test A pressure of the key a causes the lighting of all segments A pressure of the key lt ends the test Exit out of the parameter group af the chaser level A pressure of the key a causes the exit out of the parameter group of the chosen level Exit out of the programming A pressure of the key causes mode The meter has also an 3 automatic exit out of the out of the programming programming mode if during ca 1 min we do not press any key The exit out of the programming mode is signalled by the inscription End contact state dI Relay switched on 0 Relay Switched off PrL Prh measured quantity Prh gt PrL 19 b contact state 1 Relay Switched off 0 Switched on Prh PrL measured quantity Prh PrL c contact state 1 Rela Rela switched on switched on sees Relay 1 switched off t t gt PrL Prh measured quantity d contact state 1 NOTET TIS 0 elay Relay i Relay switched off sw
6. one should use external filters lt is recommended to use screened leads the output and input of the meter 10 One must use a three wire cable as a network supplying cable The lead section should be chosen in such a way that in case of a cable short circuit from the equipment side the cable would be protected by means of electrical installation fuses Requirements towards the network cable are regulated by the IEC 1010 1 p 6 10 standard 5 SERVICING After switching the meter on its name is displayed and also alarms currently set are displayed on the bargraph The meter is transiting automatically into the measuring mode and the input signal value is displayed Alarm thresholds are marked as lighted or extincted segments NA21 upper alarm threshold 100 segment bargraph lower alarm threshold 3 x 5 mm digits keys 11 alarm threshold 64 element bargraph channel 1 64 element bargraph channel 2 3 x 7 5 mm digits channel 1 3 x 7 5 mm digits channel 2 keys Key functions entry into the programming mode hold down during ca 3 seconds entry and moving through the parameter group of the chosen level return into the measuring mode acceptation of the changed parameter value a displaying resolution increase of the measured quantity in the measuring mode choice of the parameter group level change
7. seconds cau ses the display of the security code symbol SEC alternatively with the 0 value set by the manufacturer The entrance of the correct code causes the transition into the programming mode The transition matrix into the programming mode is shown on the fig 6 We choice the level selection by means of the key a whereas the input and moving through parameters of the chosen level is carried out by means of the key e Parameter symbols are displayed alter natively with their actual values In order to change the values one should use the key 4 Changing way of chosen parameter values Each digit is changed separately by means of the key and is accepted by the key e In case of the Y1 parameter after accepting the last digit one should set the decimal point by means of the key and accept it by the key 14 In the programming mode the actual level number is displayed on the bargraph by the luminescence of successive decades Channel Kind of comp LiP Number of measur Lower bar graph Linear charac ter Ch2 tYP LiP BrL 2 Channel Sensor Kind of Number Lower 2 type comp of bar 3 1 1 measur graph AL1 PrL Prh tYP 3 Alarm 1 Lower AL2 PrL Prh tYP 4 Alarm 2 Lower Upper Alarm 777 6 threshold threshold type w AL3 PrL Prh tYP 5 Alarm3 Lower Upper Alarm
8. BARGRAPH DIGITAL INDICATORS NA2 SERIES EL Hd USER S MANUAL CE BARGRAPH DIGITAL INDICATORS NA2 SERIES CONTENTS Page 1 APPLICATION courier 3 2 BASIC REQUIREMENTS OPERATIONAL SAFETY 4 SUFITTING uero enl t ti te pte neget ten 5 4 CONNECTION iliina a 6 5 SERVICING ua i 9 6 PROGRAMMING sese 12 7 TECHNICAL DATA aoreet reete eet 21 8 ORDERING PROCEDURE 26 9 MAINTENANCE AND WARRANTY 27 1 APPLICATION NA2 series bargraph panel meters with digital and analog indica tions are destined to measure d c voltages and d c currents tem perature resistance and other non electrical quantities converted into electrical signals They can realize additional functions such as e overrun signalling of setting alarm values overrun signalling of the measuring range e programmable resolution of the bargraph e recalculation of the measured quantity into any arbitrary quantity on the base of an individual lineal characteristic y ax b e conversion of the measured quantity into a current or voltage standard signal e digital communication through the RS 485 interface with the MODBUS protocol e supply of two wire object transducers 24 V in the following measuring range executions 0 4 20 mA 0 1 V 0 10 V With the meter we deliver a warranty card e 2 holder
9. NiSi tr R PtRh13 Pt tS S PtRh10 Pt nAP Voltage measurement nAd Potentiom transm o Con Kind of compensation of Aut automatic compensation In sensor working condition case of thermoresistances requires changes a three wire line In case of a in case of a resistance potentiometer transmitter the hermometer it concerns the automatic function is switched off resistance change 0 50 C for thermocouples compensation of leads fiducial temperature value in C connecting the sensor with 0 500 for thermoresistances he meter and the potentiometric ransmitter in case of a thermocouple it the reswistance of two conductors concerns the compensation inQ of reference junction Accuracy of data introducing 0 1 Writing down of values from the manual compensation interval causes the automatic compensation switching on 16 LiP Number of averaged 1 999 measurements Br Parameter for setting a 199 998 magnifier on the bargraph Lower threshhold The value of the input signal at which the bargraph is to be blan ked Brh Parameter for setting a magni BrL 1 999 fier on the bargraph Upper threshhold The value of the input signal at which the bargraph is to be to tally ligthed Ind Switch off or on of user s On characteristic switched on individual linear characteristic OFF characteristic switche
10. ction of this value i e if the introduced value is smaller than the lower range threshold then the meter will remember the lower range threshold value howe ver if the introduced value is greater than the upper range thre shold then the meter will remember the upper range threshold 21 e If in case of a magnifier setting on the bargraph BrL gt Brh will be introduced then the meter will introduce the maximal value as the Brh upper threshold value that is 999 e The meter has standard parameters writen down by the manufac turer They are given in the table 2 Table 2 Parameter Level Standard value symbol in the matrix NA21T others NA22T tYP 1 2 Pt Con 1 2 rEn 0 1 2 1 BrL 1 2 199 min range Brh 1 2 850 Ind 1 2 OFF OFF H1 Y1 H2 Y2 1 2 0 0 PrL 3 4 5 6 199 min range Prh 3 4 5 6 850 max range tYP 3 4 5 6 OFF OFF AnL 7 199 Anh 7 850 max range Chn 7 Adr 7 7 7 Bau Int 22 7 TECHNICAL DATA Panel meter dimensions Protection index ensured from the meter frontal side 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 AC ambient temperature air relative humidity working position Power consumption Storage temperature Display field NA21
11. d off H1 Y1 Parameters of the individual 199 999 H2 Y2 characteristic On the base of In case of the parameter Y1 there is given coordinates for two the possibility to set the decimal points by the user the meter point by means of the key A assigns parameters of the 0 00 00 0 000 individual characteristic i PrL Lower alarm threshhold 199 999 Prh Upper alarm threshold 199 999 Kindofalarm nor normal Fig 7 shows the graphical illustration of different alarm ypes On switched on OFF switched off 17 AnL Parameter responsible forthe 199 998 analog output The value of the measured input signal to which 0 on the analog output will correspond Anh Parameter responsible forthe AnL 1 999 analog output The value of the measured input signal to which the maximal signal on the analog output will correspond 10 V for the voltage output 20 mA for the current output Chn Channel number from which 1 2 the measurement result will be transmitted to the analog output Adr Device address Parameter 0 999 for LUMBUS protocol responsible for digital output 1 247 for MODBUS protocol bAu Baud rate for the MODBUS 240 2400 bit s protocol 480 4800 bit s 960 9600 bit s Int Information unit type for the odd information unit with an odd MODBUS protocol parity bit EvE information unit with an even parity
12. hrough the resistance thermometer 0 16 mA resistance of leads connecting the resistance termometer to the meter 20 Q 1 conductor Table 4 sensor measuring basic error range 96 range 1digit Pt100 199 850 C Cu100 50 180 C 100 60 180 C 0 2 Potent transmitter 0 400 Q 0 1 additional errors as for voltage ranges Characteristics according IEC 26 Additional errors in rated working conditions compensation of temperature cold junction changes J K N E S 100 999 0 R 100 999 2 1 C 10K S R 50 100 4 1 C 10K compensation of conductor resistance changes 2 C from ambient temperature changes 1 C 10K from supply voltage changes to leave out of account from supply voltage frequency changes to leave out of account Time of preliminary heating 5 minutes Weight 700g Measuring system measuring transducer U f resolution 12 bits measurement time temperature executions 1 sec channel other executions 0 2 sec channel 27 8 ORDERING PROCEDURE Table 5 Y TT TC Channel number and display colour one channel blue green 1B two channels green 2G two channels red 2R two channels red green 2D Input d c current d c voltage temperature Measuring range programmable for T 00 60 mV 150 mV 200 mV 900 mV IV BEN 10V
13. itchedon switched off t gt PrL Prh measured quantity Fig 7 Alarm types a b normal switched off d switched on 20 CAUTION A e In case of On and OFF alarm types the writing down of PrL gt Prh causes 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 exceeding the relay reaction is con cordant with written down PrL Prh and tYP parameters and when a upper measuring range will be exceeded then the measured quantity 1000 b lower measuring range will be exceeded then the measured quantity 200 In case of meter operation with a resistance thermometer in a two wire system the choice of the automatic compensation of lead re sistance changes will cause a defective meter work e The option choice of the automatic lead resistance compensation during the meter operation with a potentiometric transmitter cau ses the same effect as the manual compensation switching on and writing down the 00 0 value In case of an individual characteristic switching on IndzOn the measurement result is transformed linearly in accordance with in troduced H1 Y1 H2 Y2 parameters e The meter checks up the value of the actually introduced parame ter after accepting the last digit In case when the introduced va lue is discordant with the range of changes given in the table 1 the meter will make an automatic corre
14. maintenance In case of some incorrect unit operations 1 In the period of 12 months from the date of purchase One should take the instrument 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 warrants to repair it free of charge 2 After the warranty period One should turn over the instrument to repair in a certified service workshop The disassembling of the housing causes the cancellation of the granted warranty Spart parts are available for the period of ten years from the date of purchase The manufacturer reserves the right to make changes in design and Specifications of any products as engineering advances or necessity requires 29 30 31 March 2004
15. ocol Two wire supply of object 24 V d c max 50 mA mass transducers terminal 8 plus terminal 7 Galvanical isulation from the supply voltage 24 Resistance against supply decays lack of supply x 20 ms lack of supply 20 ms Electromagnetic compatibility immunity emission Safety requirements according IEC 1010 1 standard installation category level of pollution maximal voltage in relation to the earth Meter parameters for voltage and current executions input resistance for ranges voltage ranges current ranges long term exceeding of range basic error additional errors in rated working conditions of use in of measuring range from ambient temperature changes from supply voltage changes from supply voltage frequency changes without effects automatic restart acc EN 50082 2 1996 acc EN 50081 2 1996 class 111 2 300 V a c Ri 1 1095 Ri lt 10Q 10 0 296 of range x 1 digit 0 1 10K to leave out of account to leave out of account 25 Meter parameters for temperature executions Thermocouples Table 3 sensor measuring basic error range 1digit Fe CuNi 0 1 NiCr NiAI E 0 1 NiCrSi NiSi x 0 1 NiCr CuNi o 0 1 PtRh10 Pt as 0 5 R PtRh13 Pt 0 5 Voltage m 0 1 additional errors as for voltage ranges J K N E 5 Characteristics according IEC RTD Resistance thermometers current intensity flowing t
16. of the chosen parameter value exit from the parameter group of the chosen level 12 In case of the switched off individual characteristic the meter esta blishes automatically the position of the decimal point A pressure of the key a produces the increase of the quantity di splay resolution In this mode the oldest digit is not displayed The release of the key causes the return to the normal display A simultaneous pressure of keys a and and their hold down during ca 10 seconds causes the display of the actual security code The operation algorythm of the meter is shown on fig 5 Switching on to the network Display of NA2 name and actual alarm thresholds A 3 seconds Increase of the measured quantity display resolution Introducing mode of SEC entry MEASUREMENT Display of the actual security code 10 seconds Uncorrect entry Checking of the introduced entry Display of the Err incription Correct entry Programming mode Fig 5 Operation algorythm of the meter 13 The appearance of the following symbols on the digital displays means Uncorrect introducing of the security code Exceeding of the upper measuring range or a lack of sensor bargraph lighted up Exceeding of the lower measuring range or sensor short circuited bargraph extincted 6 PROGRAMMING The key lt pressure and its holding down during ca 3
17. s to fix the meter into a panel e a service manual e a service manual for execution with an interface ea set of stickers with units When unpacking the meter please check whether the type and execution code on the data plate corresponds to the order Symbols located in this service manual meant IN Especially important one must acquaint with this before con necting the meter One must take note of this when the meter is working incon sistently to the expectations 2 BASIC REQUIREMENTS OPERATIONAL SAFETY NA2 meters are destined to be mounted into panels and cubicles In the range of operational safety they are in conformity with the IEC 1010 standard requirements Remarks concerning the safety N e The installation and meter connection should be operated by qualified personel One must take into consideration all accessible protection requirements e Before switching the meter on one must check the correctness of the network lead connection e One must take care especially of the protection terminal connection IEC1010 1 p 6 10 and p 6 11 2 standard e In the 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 auto transformer Before taking the meter housing out one must turn the supply off e The removal of the meter housing during the warranty period causes its cancella
18. tion 3 FITTING A Prepare 34 0 6 x 137 1 mm hole in the panel The thickness of the material from which the panel is made can not exceed 20 mm One should introduce the meter from the front of the panel with di sconnected supply circuit After introducing the meter fasten it by means of holders 130 UL JUL y 33 Fig 1 Meter overall dimensions 4 CONNECTION At the rear side of the meter there are terminal strips with screw terminals Analog and digital outputs of the meter are galvanically isolated from other parts of the system O fo 5 2 O 14 N 230 V a c d c or 24 V a c d c Ra 3 L according to execution O mo 26 11 ALARM 2 channel 11 O 5 1 hannel 1 D ba 8 O _ 24V d c 4 2 Q 4 2 al 6 D p 5o B D mM 141 5 485 3 GND D 18 3 x 3 E 2 2 RTD CHANNEL 1 Q elg J 1 exists only in executions with two relays 2 exists only in executions with a 0 4 20 mA or 0 10 V analog output 3 exists only in executions with RS 485 interface 4 exists only in executions with a 0 4 20 mA 0 1 V 0 10 V measuring range Fig 2 Description of NA21 meter terminals
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