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Taking into consideration electromagnetic interference it is recommended to use 
shielded conductors for 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.

Fig.3  External connections of the NA5 meter

8 outputs of OC type

4 relay outputs

c/ Connection way of digital and analogue output signals depending on the 

execution code

27

23

26

24

25

30 29 28

32 31

A1

A2

A3

A4

A5

A6

A7

A8

GND

27 26 25

30 29 28

32 31

A1

A 3

A 5

A 7

...

A

GND

B

B
A

GND

GND

A

B

RTS
RxD

TxD

DB9

6

1

9

5

DB9

6

1

9

5

19

17

18

NA5 Meter

19

17

18

NA5 Meter

IBM PC computer

IBM PC computer

with an RS-485 card

10

11
12

13

8
9

PD5

d/ Connection way of the RS-485 interface

Содержание NA5

Страница 1: ...ONE CHANNEL DIGITAL TO ANALOGUE METER WITH A MULTICOLOURED BARGRAPH AND A SERIAL INTERFACE NA5 TYPE USER S GUIDE...

Страница 2: ...2...

Страница 3: ...ATION 9 5 SERVICING 13 6 RS 485 INTERFACE 31 7 TECHNICAL DATA 49 8 BEFORE A FAILURE HAS BEEN DECLARED 53 9 EXAMPLES OF NA5 METER PROGRAMMING 55 10 ORDERING PROCEDURE 58 11 MAINTENANCE AND GUARANTEE 60...

Страница 4: ...4...

Страница 5: ...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 o...

Страница 6: ...g 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 d...

Страница 7: ...ned 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 mor...

Страница 8: ...he 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...

Страница 9: ...riod may cause its cancellation 4 INSTALLATION 4 1 Fitting Prepare a 44 0 5 x 137 5 0 5 mm hole in the panel The thickness of the material from which the panel is made should be in the range 1 45 mm T...

Страница 10: ...nputs Maximal measuring ranges are given on figures a Description of the terminal strip 6 1 2 5 3 4 12 7 8 11 9 10 15 14 13 21 17 20 18 19 27 22 23 26 24 25 30 29 28 16 32 31 A1 A3 A5 A7 RS 485 A B GN...

Страница 11: ...stance measurement Resistance thermometer in three wire system Thermocouple or 300 mV voltage 600 V voltage input 40 mA current input Two wire object transducer Three wire object transducer 3 2 1 3 2...

Страница 12: ...ents concerning the supply cable are regulate by EN 61010 1 p 6 10 standard Fig 3 External connections of the NA5 meter 8 outputs of OC type 4 relay outputs c Connection way of digital and analogue ou...

Страница 13: ...ay of the measured value on the display and the bargraph Depending on alarm parameter settings the resolution and bargraph type alarm thresholds are also displayed on the bargraph The meter blanks aut...

Страница 14: ...programming matrix exit from the preview menu or programming matrix escape from the parameter change The pressure and hold down the key during 3 seconds causes the entry into the programming mode The...

Страница 15: ...his key longer than ca 2 seconds will cause the acceleration of the review The pressure of the key in any moment will cause the lighting of the number of recorded results The exit from the review of r...

Страница 16: ...uction mode Programming matrix Check the password Erasing of alarm outputs Preview menu Moving on the preview menu Moving on the matrix Exit from the matrix Entry into the selected level Entry into pa...

Страница 17: ...parameters eg Ch1 Ch2 bAr1 bAr2 Al1 Al2 etc by means of the key The pressure of the key on the given level causes the entry into parameters of this level The moving on the given level is operated by m...

Страница 18: ...marker colour Param indiv charac Param indiv charac Param of indiv charac 1 2 3 11 12 13 barg l0gr Chn al8 al1 10 ser 0ut typb typ reC set Input type lo n Lower value of input range Hi n Upper value o...

Страница 19: ...ameter without changing of the decimal point number parameter Adjustment of the decimal point Change of the flickering position Change of the flickering position Change of the flickering position Chan...

Страница 20: ...lue of the input range The setting of parameters LoIn and HiIn gives the possibility to narrow the measuring range down Setting possibility 1999 9999 At the input signal LoIn the meter dis plays the l...

Страница 21: ...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 cau...

Страница 22: ...rg red green other colours are accessible only in meters with a 7 colour bargraph b blue rb red blue gb green blue rgb red green blue brl Parameter to set the magnifier on the bargraph Lower threshol...

Страница 23: ...of 0 0 causes the ope ration at the moment of the alarm occurrence 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 ope...

Страница 24: ...the meter operates at the maximal range depending on input and range output Switching off or on of the individual linear user s characteristic indivi dual characteristic of the analog output nd0 d H1...

Страница 25: ...ra Manufacturer s parameters Manufacturer s parameters are presented in the table 2 Setting possibility 1999 9999 Introduction of a new password seC tst The pressure of the key causes the test switchi...

Страница 26: ...of recording start Time format hh mm ss date Date of recording start 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...

Страница 27: ...d off Measured value 0 1 0 1 1 Relay switched on 0 Relay switched off Measured value State of contacts PrH PrL 0 1 1 Relay switched on 0 Relay switched off Measured value State of contacts PrL PrH 0 1...

Страница 28: ...d_H2 O_Y1 O_Y2 Fig 9 a Individual characteristic of the display b Individual charac teristic of the analogue output a b Value I_H1 on the meter input value d_Y1 on the display Value I_H2 on the meter...

Страница 29: ...erted according the introduced parameters I_H1 I_H2 d_Y1 and d_Y2 In case of arithmetical functions and individual characteristic switching on in the first sequence arithmetical operations will be car...

Страница 30: ...t 0 filling of the memory and at a renewed switching of the meter on to the network In case of a Intr or Sect bargraph type it is possible to set only one CurL and Curh markers from one alarm The othe...

Страница 31: ...rvice 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...

Страница 32: ...configuration of serial link parameters is described in the further part of the user s manual It consists on the establishment of the baud rate bAud parameter device address Adr parameter and the typ...

Страница 33: ...e publication mode Example record of the register of 1DBDh 7613 address in RTU Request 85 AD Device address Check sum CRC Function Register address Hi 01 06 1D BD 3F Register address Lo 00 80 00 Value...

Страница 34: ...pe of device 01 11 08 81 FF Response Device address depending on the setpoint Function no of function 0x11 Number of bytes 0x08 Device identifier 0x81 Device state 0xFF Field depending on the device t...

Страница 35: ...in a 32 bit register Registers can be read out and recorded Address Type of value Description range 7000 7200 Float 32 bits 7200 7400 Float 32 bits The value is placed in two successive 16 bit regist...

Страница 36: ...ocouple 5 N thermocouple 6 E thermocouple 7 R thermocouple 8 S thermocouple 9 T thermocouple 10 R meas up to 10 k 11 Volt meas to 300 mV 12 Volt meas to 600 V 13 Current meas to 40 mA 14 Current meas...

Страница 37: ...input range Decimal point Cnt w r 0 999 9 7216 7608 Measurement time Value 0 0000 1 000 0 2 00 00 3 0 000 4 Auto 7220 7610 7218 7609 w r 1999 9999 Indi w r 0 1 Individual characteristic Value 0 Switch...

Страница 38: ...ceeding the alarm threshold the colour change the whole bargraph Intr 7234 7236 7617 7618 Value 0 Bargraph off OFF 1 Red r 2 Green G 3 Red Green rG Other values are only accessible in meters with RGB...

Страница 39: ...switched off OFF 1 Red r 2 Green G 3 Red Green rG Other values accessible only in meters with RGB diodes 4 Blue b 5 Red Blue rb 6 Green blue Gb 7 Red Green Blue rGb 7240 7620 Alarm lower threshold Ala...

Страница 40: ...2400 bit s 1 4800 bit s 2 9600 bit s 7270 7635 Working mode w r 0 7 Working mode of the MODBUS protocol Value 1 ASCII 8N1 2 ASCII 7E1 3 ASCII 7O1 4 RTU 8N2 7254 7627 CURH w r 0 7 Bargraph colour afte...

Страница 41: ...correct it auto matically 7278 7639 Recording w r 0 1 Registration of measured value Value 0 Recording switched off 1 Recording switched on 7280 7640 Interval w r 0 99 5959 Time interval of the record...

Страница 42: ...value 7292 7646 Erasing of maximum w r 0 1 Erasing of the maximal value Value 0 Lack of operation 1 Erasing Value 0 Lack of operation 1 Erasing 7294 7647 No occurs 7296 7648 7320 7660 Year of the memo...

Страница 43: ...memorised value w r 1 750 Number of memorised value in memory 7230 7665 Status w r 0 7 Operation status on the buffer Value 0 Lack of operation 1 Searching acc date and time registers nr 7660 7663 and...

Страница 44: ...for the value in the first register Year 7338 7669 r 1 12 Month for the value in the first register Month 7340 7670 r 1 31 Day for the value in the first register Day 7342 7671 r 0 23 5959 Time for th...

Страница 45: ...ssive 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 Writing w Readout r r 6 6 Registers only for readout Re...

Страница 46: ...tput Individual characteristic Bit 15 9 No used Bit 8 Error of the conductor resistance compensation 0 lack of error 1 signalling of the compensation error Bit 7 5 Position of the decimal point 000 la...

Страница 47: ...e Alarm 2 state Baud rate X X X X X X X X X X X X X X X X 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 bits LSB MSB Working mode and information unit Alarm 1 state Recording of measurement results in memory...

Страница 48: ...ate 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 7O1...

Страница 49: ...t 0 5 A input resistance 10 m 10 Measuring subranges preserving the class Pt100 320 C Pt500 230 C Pt1000 290 C Thermocouple J 350 C 700 C Thermocouple K 450 C 950 C Thermocouple N 550 C 1000 C Thermoc...

Страница 50: ...c resistance load 1250 VA 150 W Programmable alarm thresholds Three types of alarms Hysteresis defined by means of the lower and upper alarm threshold Signalling of alarm operation on the bargraph 8...

Страница 51: ...ms temperature ranges Rated operation conditions supply voltage depending on the execution code 95 230 253 V a c d c 20 24 40 V a c d c supply a c voltage frequency 40 50 60 440 Hz ambient temperatur...

Страница 52: ...Ensured protection degree through the casing IP 50 from terminal side IP 20 Overal dimensions 48 x 144 x 100 mm with terminals Weight 0 4 kg Power consumption 13 VA Resistance against supply decay acc...

Страница 53: ...k of possibility to enter into the programming mode The inscription Err is displayed The programming mode is protected by a password When the user forgets which password has been introduced he should...

Страница 54: ...meter In case of need correct the dLY parameters 11 The meter instead of displaying the measurement result displays the parameter symbol and its value The meter is working in the preview mode or in th...

Страница 55: ...he 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 v...

Страница 56: ...mA one must 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 O_Y1 parameter a...

Страница 57: ...to IntE parameter and introduce the value 00 00 20 choose the rEc parameter and switch the recording in On after exiting from the programming matrix the memory will be erased and the meter will begin...

Страница 58: ...on order X Digital output signal without output 0 RS 485 digital output 1 Additional outputs without output 0 4 relays outputs 4 8 OC outputs 8 on order X Supply 95 253 V a c d c 1 20 40 V a c d c 2...

Страница 59: ...signals Table 6 Example of NA5 ordering Code NA5 M G U 1 1 4 1 0 00 U means M NA5 meter with two 7 colour bargraphs G digital LED displays of green colour U universal input table 6 1 current analogue...

Страница 60: ...nstructions 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 housi...

Страница 61: ...61...

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