Home

DIGITAL PANEL METER N30O TYPE

1. anfen eulixeui fewu puomssed y JO Fae PIE Masa jo ayy jo hejdsiq A Spuooos g Cre Ce Moen Cre b Spuooos g LNJWIANSYJN TT CJ Spuooos g Spuooos g COC si junoo A Jejunoo PA jeseu ne eee CCP spuooes C83 nus 15 JO Anuenb yoddns e op edA plous uu jndu Guijeubis lemo 109041 wejy 585 LATP LV d 5 Jnojoojo Jnojoo jo 19 piouseuu jnojoo inojoo inojoo Jeuroep 18M0 18M0 IDDIA 18M0 ewiunN Aejdsiq OTIAO IHloo 07109 dnjoo aqioo opjoo dp dSIP r onsuel onsu paipu PIAIPU PIAIPU jo y Jo y Jo su jo au JO sjulod jo jo lulod 1527 1527 quod 1514 1 115 jequinN Eled E LZA LZH 52 LA dopul pul uolyeinp sennuenb indui asind uoneunp Anuenb jndu jndul Jejunoo uonounj Jeddn
2. d vuv 8 wieje JO Anuenb Aejap edA plous uu pjouseJur jndul Jo 804 1 SATP V d 2 z Wieje 20 Anuenb Aejap edA pijouseJuu pjouseJur jndu GuijeuBis J9 0 109041 2 2041 SATP env 9 17 the entry in the matrix the write of an incorrect code causes the display of the ErCod symbol The matrix of transitions into the programming mode is presented on the fig 9 The selection of the level is made by means of the button however the entry and moving through the parameters of the chosen level is carried out by means of lt and a buttons Parameter symbols are displayed alternately with their current values In order to change the value of the selected pa rameter one must use the button To resign from the change one must use the button In order to exit from the selected le vel one must chose the symbol and press the button To exit from the programming matrix one must press the button during ca 1 second Then the inscription End appears for ca 3 se conds and the meter displays the measured value In case of leaving the meter in the parameter programming mode the automatic aban don of the programming mode parameter parameter next the menu follows after 30 seconds and the meter disp
3. 1epooue D IIM OLAV L EM Buiuinse W Jo 1ueueunsee A ou anjen eui 40 dn BuissoJo ul sasind Junoy pesn pasn euin 1ueung 29 5 4 4 Individual Characteristic N300 meters can recount the measured value into any value thanks to the implemented individual characteristic function The individual characteristic causes rescale of the measured value for the expected indication range vaule The way of the individual characteristic interac tion on the meter operation has been presented on the fig 10 Displayed value Measured Rescaling by the Measured Individual value constant Cons1 value characteristic of analog outputs Control of alarms RS 485 mE Fig 10 Action of the Individual Characteristic The user can introduce maximally twenty functions through the given points defining intervals with expected values fig 11 The programming of the individual characteristic consists in the defini tion of the number of points which the input function will be linearized by One must remember that the number of linearizing functions is of one less than the number of points Next one must program successive points by giving the measured value Hi and the expected value corre sponding to it value which has to be displayed Yi where i number of the successive point 0 lt i lt n The graphic interpretation of the individual characteristic is presented o
4. SuoO 1v08 1uejs uoo eui Aq UOISIAIP uon suogounj pieoq y JOSOY suonounj eun uon einp es nd ewu Jo 8INSBON M uonduoseg indui jo sindu Buunseeuu jo suonounj 0 lt 0 gt 5 0 gt 01 0 lt uSNOO JB UNOO 10 SLU OM ZOLNY LOLNY enieA ZSNOO LSNOO ANLA jueuJeJnseauJ ul 1988 en eA 19501 Jaye sJejunoo eu SJejeure1ed sjejunoo SLUJ JOM pue sindu 88 O qEL umop JUNOD Jejunoo eui 0 gt 15000 104 suonouni UO paun YOM eui jo SW BY Bununoo M UO eui pjnous s 9818461 uono uip Bununoo asind 0 gt SUOD ueuM p 1u uu inse ui y jo eui eui se ay jeddn ui i eui U jo JNO SI UDIUM enjeA e LO 1v 8U SW H1 pue T saw uloq ueuw si jo uoneinp Jo s uun eui jo qjueueunseeui eyl z SW z 0 lt eie H1 pue 11 ujog si jo uomeunp JO sawn eui jo jueueunseeu eu Buiseje oneuiojne 0 3M esneo E n n dt ee 10 lunoO indui
5. Highlighted The averaging time unit has not gone by RESET RST input state Resignation Value increase button button Value change Acceptation button button Fig 7 Description of the Meter Frontal Plate 5 2 Messages after Switching the Supply on After switching the supply on the meter displays the meter name and next the program version in the shape x xx where x xx is the number of the current program version or the number of a custom made option Next the meter carries out measurements and displays the value of the input signal The meter sets up automatically the de cimal point position when displaying the value The format number of places after the decimal point can be limited by the user 5 3 Functions of Buttons Acceptation button entry in programming mode press and hold down ca 3 seconds 12 uy U UU moving through the menu choice of level entry in the mode changing the parameter value acceptation of the changed parameter value stop the measurement when holding down the button the result on the display is not updated The measurement is still carried out a button increasing the value display of maximal value The pressure of the button causes the display of the maximal value during ca 3 seconds entry in the level of the parameter group moving through the selected level change of the selected parameter value increas
6. ze US RTU BN 9600 1000m a 1 Potesedzenie zapisu 338 01409 Fig 14 Program view a LPCon b updating of software Warning Before doing update currently settings of meter should be saved by program LPCon because when software is updated default settings of meter are restored After starting LPCon s software COM port baudrate transmission mode and adress should be set It can be done in Options Then meter should be selected from Device Push icon Load to read and save current settings Open window Updater LU figure 14b from Updating Updating of devices firmware Push Connect Upda 50 te progress is shown in Messages section Text Port opened appear after correctly opened port Putting meter in update s mode can be done in two ways remote from LU with settings from L PCon port baudrate transmission mode and adress or by turning power on while button lt pressed AL1 led signals that device is ready for update LU will show message Device found with name and cu of firmware Using button l a valid file should be se rrent version ected If the file is correct message File opened will show Send button should be pressed During firmware update AL 1 AL4 leds indicate process pro gress If firmware update is successful device starts normal operation and message Done and update duration will show Close LU a
7. asind jndu 9 eosai AJEIJIXNE Jo eu 10 19so1 jo Bujeose 10 sieja jaoueg onewojny 10j EWUXEN luejsuo9 Jo s0l0U9 sjue1u02 BIEd 22282 eno cul 3 2505 21 25 enu z dui 4 uoneinp Anuenb suono ssjnd uoneunp Anuenb jndu indui unj SJejunoo suonounj Jeddn ene ue uoo Amuenb L jo OUI JO BWI painseay 5 luejsuo9 Jo 801049 jo d BIEd geass und Loiny 15 05 1 25 LdA wey 16 xuje y Buluuuue Boi 6 64 519 pJomssed 189 yun eun eur piepuels Kejdsiq u61qy6 H jo dni s N S 1531 yun 245 195 135 OL jndjno jndino jue uno Bojeue Bojeue Bojeue eui 10 eui eu 10 Sseippe jndino Aquenb JO pneg JO joedAj sindino T pnyq v dA Huy uy d no 6 y wieje 20 Anuenb yoddns Aejap edA pijouseuu pjouseJur jndu J9 0 109041 sessi 1 PAIP
8. button combination longer than 3 seconds causes count start for pulse counter and work time counter mode in case when the button function is on The pressure and holding down the button during 3 seconds causes the entry to the programming matrix The programming matrix can be proteced wit security code The pressure and holding down the button during 3 seconds causes the entry to the menu monitoring meter parameters One must move through the monitoring menu by means of 4 _ and a buttons In this menu all programmable meter parameters are only ava ilable for readout In this mode the menu Ser is not available The exit from the monitoring menu is carried out by means of the button In the monitoring menu parameter symbols are displayed alternately with their values The service algorithm of the meter is presented on the fig 8 5 4 Programming The pressure of the button and holding it down through ca 3 seconds causes the entry in the programming matrix If the entry is pro tected by a password then the safety code symbol SEC is displayed alternately with the set up value 0 The write of the correct code causes 14 2 OOEN eui JO 5 78 Or uonduosul pog 4 jo AejdsiQ 1oeuoou ul Aug 108110 pJomssed eu
9. tl 1 0 t_H1 1 0 E Int 1 but AUto1 1 99999 Cnt1 1 1 FUnCt 1 OFF Cntr2 2 0 SCAL2 2 ConS2 2 1 12 2 0 t_H2 2 0 E_In2 2 OFF AUto2 2 99999 CLr2 2 no IndCP 3 no H0 3 0 Y0 3 0 H1 3 100 Yi 3 100 Hn 3 n 1 100 Yn 3 n 1 100 34 d_P 4 00000 CoLdo 4 grEEn CoLbE 4 orAng CoLuP 4 rEd CoLLo 4 5000 CoLHi 4 8000 ovrLo 4 19999 ovrHi 4 99999 RAR maa FA 5 6 7 8 InP1 tYP1 vee tYP3 5 6 7 8 h off PrL1 RUD PrL3 5 6 7 8 7008 d 5 6 7 8 2000 dLY1 E aLY3 5 6 7 8 0 LEd1 We LEd3 5 6 7 8 P_An 9 InP1 tYPA 9 0_10U AnL 9 0 AnH 9 99999 bAud 9 9 6 prot 9 8 2 9 1 SEt 10 no SEC 10 0 HOUR 10 Not defined unlt 10 off tESt 10 off 35 6 INTERFACE RS 485 N300 programmable digital meters have serial interface in RS 485 standards for the communication in computer systems and with other devices fulfilling Master function An asynchronous com munication character protocol MODBUS has been implemented The transmission protocol describes ways of information between devices through the serial interface 6 1 Connection Way of the Serial Interface he RS 485 standard allows to a direct communication of 32 devices on a single serial link of 1200 m long at baud rate 9600 b s For the connection of a higher quantity of devices it is necessary to apply ad ditional intermediate separating systems e
10. FrEqL frequency for f lt 10 kHz FrEqH frequency for f gt 10 kHz tYP1 Selection of measured value tACH rotational speed PEr period PErH long period gt 10 s CntH worktime counter Hour current time Enc incremental encoder Selection of input quantity rescaling Mea And multiplication by the SCAL1 sured value is multiplied or divided by the constant set point value parameter ConS diu division by the constant Constant rescaling the input quantity The write of a negative value causes 51 the counting down mode of pulse counter and worktime counter Minimal duration time of the low level pulse on the main input The intro duction of a value lower than 0 25 or t L1 5 causes the switching of the length 0 60000 19 Table 1 Minimal duration time of the high level pulse on the main input The introduc tion of a value lower than 0 25 or 5 causes the switching of the length con trol function of the high signal level off The value is given in milliseconds Parameters t L1 and t H1 define the maximal frequency value minimal signal period t_L1 t_H1 0 25 0 60000 E_in1 Permit for external functions start stop erasing Taken into consideration only in counter modes pulse counter and worktime counter The meter counts only by the passed high level signal on the input W1 near external func tions switch on the worktime counter bUt Externa
11. g PD51 converter The lead of the interface line is presented on the Fig 4 To obtain a correct transmission it is necessary to connect lines A and B in parallel with their equivalents in other devices The connection must be made through a shielded wire The wire shield must be connected to the pro tection terminal in the nearest possible proximity of the meter connect A Computer N300 meter B B A N300 meter B N300 meter Fig 13 Connection Way of the RS 485 Interface 36 the shield only to a single point of the protection terminal The GND line serves to the additional protection of the interface line at long connections Then one must connect GND signals of all devices on the RS 485 bus To obtain the connection with the computer a RS 485 interface card or a suitable converter is indispensable e g PD51 or PD10 The connection way of devices is shown on the fig 13 The designation of transmission lines for the card in the PC computer depends on the card producer 6 2 Description of the MODBUS Protocol Implementation The implemented protocol is in accordance with the PI MBUS 300 Rev G of Modicon Company specification Set of the serial protocol parameters of N30O meters in MODBUS protocol e meter address 1 247 e baud rate 4800 9600 19200 38400 57600 115200 bit s e work mode RTU with a frame in format 8n2 8e1 801 8n1 e maximal response time 100 ms The
12. of the auxiliary counter 19999 99999 SCAL2 Choice of rescaling input quantity for the auxiliary input The measured value is multiplied or divided by the set point value para meter ConS2 And multiplication by the constant diu division by the constant ConS2 Constant rescaling the input quantity The write of a negative value causes he counting downward 19999 99999 inimal duration time of the low evel pulse on the auxiliary input The introduction of a value lower than 0 25 causes the switching of the length con rol function of the low signal level off The value is given in milliseconds 0 60000 inimal duration time of the high level pulse on the auxiliary input The in roduction of a value lower than 0 25 causes the switching of the length control function of the high signal level off The value is given in milliseconds Parameters t L2 and H2 define the maximal frequency value minimal signal period t L2 t H2 0 25 0 60000 21 E In2 Permit for external functions start stop erasing On Control inputs steers the work of the auxiliary counter Off Control inputs do not influence the auxiliary counter work The counter is automatically erased Auto2 after reaching this value The write of 19999 99999 the value 0 switches the function off Erase the counter contents The nO Do not erase choice of the opti
13. output auxiliary supply RS 485 interface Protection grade from frontal side IP65 Meter overall dimensions 96 x 48 x 93 mm with terminals The meter casing is made of plastic Fig 1 View of the N300 Digital Meter 2 METER SET The set is composed of meter user s manual guarantee card set of clamps to fix in the panel 4 pcs When unpacking the meter please check whether the type and option code on the data plate correspond to the order 6 3 BASIC REQUIREMENTS OPERATIONAL SAFETY In the safety service scope the meter meets the requirements of the EN 61010 1 standard Mentioned below applied symbols mean N especially important one must acquaint with this information before connecting the meter The non observance of notices marked by this symbol can occasion injures of the personnel and a damage of the instrument one must take note of this when the instrument is working inconsistently to the expectations Possible consequences if disregarded Observations concerning the operational safety e 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 Before switching the meter on one must check the correctness of connections e The meter is designed to be installed and ex
14. register defining the steering out of the analog output Minimum Minimal value of the currently displayed value Maximum Maximal value of the currently displayed value Displayed value Currently displayed value Measured value on the auxiliary input Currently measured value on the auxiliary input Number o pulses counted by the Cnt1 counter Number of pulses counted by the Cnt1 counter without additional calculations Number o pulses counted by the Cnt2 counter Number of pulses counted by the Cnt2 counter without additional calculations Status2 Status2 is register for current status of the meter value as in register 4049 49 7 SOFTWARE UPDATING Function enabling updating of software from the computer of the PC with software LPCon was implementation in meter from version of software 1 16 in the realization with the interface RS485 Free softwa re LPCon and update files are accessible on the site www lumel com pl lt http www lumel com pl gt The connected to the computer convertor RS485 is required on USB to the updating e g the convertor PD10 a b s LUMEL UPDATER v1 05 a M e S Devic LUMEL a m 3 i Przywn ceie nastaw fabrycznych coma Digomec 2 300 v1 16 ng end Messages Port opened Device found N30 O v 1 16 File opened Sending data please vait DRE
15. side Weight Overall dimensions 24 V d c 30 mA output of OC type passive npn 30 V d c 30 mA voltage 5 36 V d c galvanically Separated igher than 10 ms ddress 1 247 ode 8N2 8E1 801 8N1 aud rate 4 8 9 6 19 2 38 4 57 6 15 2 kb s aximal response time 100 ms MODBUS RTU 0 2 of the set range 65 10 lt 0 2 kg 96 x 48 x 93 mm with terminals Reference Conditions and Rated Operating Conditions supply voltage ambient temperature storage temperature relative air humidity work position power input 54 85 253 V d c a c 40 400 Hz or 20 40 V d c a c 40 400 Hz 25 23 55 C 33 70 25 95 inadmissible tion of water vapour any lt 6VA Additional errors from temperature changes for analog inputs and outputs 50 of the class 10 K Standards fulfilled by the meter Electromagnetic compatibility e noise immunity acc to EN 61000 6 2 noise emissions acc to EN 61000 6 4 Safety requirements acc to EN61010 1 standard isolation between circuits basic installation category III pollution level 2 maximal phase to earth work voltage 300 V for the supply circuit 50 V for remaining circuits altitude above sea level lt 2000 m 55 10 PROGRAMMING EXAMPLES Example 1 Programming the meter to work with the flowmeter with reed relay output of the followin
16. the alarm state till its blank ing moment by means of the push button com bination This function concerns only and exclusively the alarm signaling thus relay contacts will operate without support accord ing to the chosen type of alarm 0 900 function switched off on function switched on 25 Table 6 switches the interface off out Parameter a symbol Description Range of changes InP1 main input indicated P An Input quantity on which the value analog output has to react InP2 input of the auxillary counter Lower threshold of the analog output One must give the value AnL on which we want to obtain the 19999 99999 minimal value of signal on the analog output Upper threshold of the analog output give the value on which AnH we want to obtain the maximal 19999 99999 value of signal on the analog output 10 V or 20 mA 0_10U voltage 0 10 V tyPA Type of analog output 0_20A current 0 20 mA 4 20A current 4 20 mA 4 8 4800 bit s 9 6 9600 bit s 19 2 19200 bit s bAud Baud rate of the RS 485 interface 38 4 38400 bit s 57 6 57600 bit s 115 2 115200 bit s r8n2 rot Type of transmission frame of the rSE1 p RS 485 interface r8o1 r8n1 Address in the MODBUS net Addr work The write of the value 0 0 247 26 Table 7 SEr gia Description Range of changes Write i
17. the value 3 causes the erasing of the main and auxiliary counters Number of points of the individual characteristic For the value 1 the individual characteristic is switched off Segments of the individual characteristic are 4008 IndCp wir 1 21 defined by parameters Xn and Yn where n point number Minimal position of the decimal point when displaying the measured value Value Description 0 0 0000 4009 d_P wir 0 4 1 00 000 40 2 000 00 3 0000 0 4 00000 Display colour when the displayed value is lover than coLLo 4010 CoLdo 0 2 Value Description 0 red 1 green 2 orange Display colour when the displayed value is higher than CoLLo and lower than CoLHi 4011 GoLbE wr 0 2 Description 0 red J green 2 orange Display colour when the displayed value is higher than CoLHi 4012 CoLUp wr 0 2 Description 0 red 1 green 2 orange put quantity controlling the alarm Description Main input Auxiliary input Type of alarm 1 description fig 12 Description 41 Delay of alarm 1 switch on and off in seconds Support of alarm 1 signaling Description Suport turned off Suport turned on put quantity controlling the alarm Description Main input Auxiliary input Type of alarm 2 description f
18. type signaling of the range in the meter menu on overflow 4 2 Examples of Connections An example of meter and a inductive sensor connection with an output of NPN and PNP type is presented on the fig 5 The way to connect a transducer with an output of contactron relay type is pre sented on the fig 6 In examples the connection of the main input W1 is shown Other inputs are connected in the same way but we must remember that all inputs are galvanically separated between them and have a system limiting the input current The range of voltages control ling the input should be in the 5 24 V d c range a 2 3 4 5 e v s 12 3 14 15 16 17 ia ELI RST S S ALI AL2 gt 85 253 V additional input 10 b 1 2 3 4 5 6 7 e 11 12 13 14 15 16 17 18 ESSET Ip ELLE Y 7 RST S S AL1 2 additional input Fig 5 Connection of the sensor with the OC Output a NPN Type b PNP Type N300 2 3 4 5 s 7 8 of 0 1 12 13 14 15 t6 17 18 _ gt W2 RST S S AL2 Additional 85 253 V input Reed relay I relay Fig 6 Connection of the sensor with the Reed Relay Relay Output Type 11 5 SERVICE 5 1 Display Description Alarm indexes Measured value START STOP Nu E
19. used Bi Wrong configuration of the individual characteristic Bi Not used Bit 1 Not used Bit 0 The averaging period Has not elapsed Status2 Meter status Describes the current state of th meter Successive bits present the given event Th bit set on 1 means that the event took place Event can be only erased Bit 15 Not used Bit 14 Not used Bit 13 Not used Bit 12 Not used Bit 11 Not used Bit 10 Not used Bi Status of the RESET input Bi Status of the START STOP input Bi LED4 Signaling of alarm No 4 Bi LED3 Signaling of alarm No 3 Bi LED2 Signaling of alarm No 2 Bi LED1 Signaling of alarm No 1 Bi Status of the alarm relay 4 Bi Status of the alarm relay 3 Bi Status of the alarm relay 2 Status of the alarm relay 1 the area 7600 o 20 G gt o E E 16 bit registers These registers include the same data as 32 bit registers from The value is placed in 32 bit registers Lower thres Description Table 12 old of the display color 6200 7200 change 6202 7202 Upper thres pes display color 6204 7204 Lower threshold of th
20. 00 6019 32 bits include the same data as 32 bit register from the area 18 7500 Registers are only for readout Byte order 1 0 3 2 loa Value placed in two successive 16 bit registers Registers 6200 6327 32 bits include the same data as 32 bit register from the area 7600 Registers be read out and written Byte order 3 2 1 0 Value placed in two successive 16 bit registers 7000 7019 loai Registers include the same data as 32 bit register 32 bits from the area 7500 Registers are only for readout Byte order 3 2 1 0 Value placed in two successive 16 bit registers 7200 7327 loa Registers include the same data as 32 bit register 32 bits from the area 7600 Registers can be read out and written Byte order 3 2 1 0 loa Value placed in a 32 bit register Registers are only OD 32 bits for readout 7600 7663 loa Value placed in a 32 bit register Registers can be 32 bits read out and written 38 6 5 Registers for Write and Readout Table 11 Description Values placed in 16 bit Write w Readout r registers Input type Pulse counter Frequency f lt 10 kHz Frequency f gt 10 kHz Rotational speed Period Long period Worktime counter Current time G pr ncremental encoder Selection of input quantity recalibration 4001 SCAL1 are 0 1
21. 240 7240 7620 t H2 wir 0 60000 Minimal duration of the high pulse level on the auxiliary input 6242 7242 7621 Auto2 wir 19999 99999 Automatic reset of the auxiliary counter table 8a 6244 7244 7622 H1 wir 19999 99999 Point of the individual characteristic oint No 1 6246 7246 7623 Y1 w r 19999 99999 Expected value for the point No 1 6248 7248 7624 H2 wir 19999 99999 Point of the individual characteristic oint No 2 6250 7250 7625 Y2 wir 19999 99999 Expected value for the point No 2 6252 7252 7626 H3 wir 19999 99999 Point of the individual characteristic oint No 3 6254 7254 7627 wir 19999 99999 Expected value for the point 3 6256 7256 7628 H4 wir 19999 99999 Point of the individual characteristic oint No 4 6258 7258 7629 Y4 wir 19999 99999 Expected value for the point No 4 6260 7260 7630 HS wir 19999 99999 Point of the individual characteristic oint No 5 6262 7262 7631 Y5 wir 19999 99999 Expected value for the point No 5 6264 7264 7632 H6 wir 19999 99999 Point of the individua characteristic oint No 6 6266 7266 7633 Y6 wir 19999 99999 Expected value for the point No 6 6268 7268 7634 Hz wir 19999 99999 Point of the individual characteristic oint No 7 6270 7270
22. 7635 Y7 wir 19999 99999 Expected value for the point No 7 6272 7212 1636 H8 wit 19999 99999 Point of the individua characteristic oint No 8 6274 7274 7637 Y8 wir 19999 99999 Expected value for the point No 8 6276 7276 7638 H9 wit 19999 99999 Point of the individua characteristic oint No 9 6278 7278 7639 Y9 wir 19999 99999 Expected value for the point No 9 Point of the individual characteristic 6280 7280 7640 H10 19999 99999 Point No 10 6282 7282 7641 Y10 wir 19999 99999 Expected value for the point No 10 47 Table 12 Point of the individual characteristic Point No 6284 7284 7642 H11 19999 99999 6286 7286 7643 Y11 w r 19999 99999 Expected value for the point No 11 Point of the individual characteristic Point No 12 6290 7290 7645 12 wir 19999 99999 Expected value for the point No 12 Point of the individual characteristic Point No 13 6294 7294 7647 Y13 w r 19999 99999 Expected value for the point No 13 6288 7288 7644 H12 w r 19999 99999 6292 7292 7646 13 19999 99999 Point of the individual characteristic Point No 14 6298 7298 7649 Y14 w r 19999 99999 Expected value for the point No 14 6296 7296 7648 H14 w r 19999 99999 Point of the individual characteristic Point No 15 6302 7302 7651 Y15 w r 1999
23. 9 99999 Expected value for the point No 15 6300 7300 7650 H15 w r 19999 99999 Point of the individual characteristic Point No 16 6306 7306 7653 Y16 19999 99999 Expected value for the point No 16 Point of the individual characteristic Point No 17 6310 7310 7655 Y17 w r 19999 99999 Expected value for the point No 17 Point of the individual characteristic Point No 18 6314 7314 7657 Y18 wir 19999 99999 Expected value for the point No 18 Point of the individual Point No 6304 7304 7652 H16 w r 19999 99999 6308 7308 7654 H17 w r 19999 99999 6312 7312 7656 H18 19999 99999 6316 7316 6318 7318 PS Expected value for t Point of the individual Point No 6322 7322 n Expected value for t 6320 7320 Point of the individual 6324 7324 PRENE 6326 7326 ka Expected value for t 48 6 6 Registers only for Readout The value placed In two suc cessive 16 bit registers These registers include the same data as 32 bit registers from the area 7500 The value is placed in 32 bit registers Identifier Write w readout r Name of the quantity Constant identifying the device The value 181 means the meter Status Status is register describing the current state of the meter Control It is a
24. DIGITAL PANEL METER N300 TYPE USER S MANUAL C Contents 1 APPLICATION AND METER DESIGN 5 2 METER SEP osiada adas awa da pa Ad pios 6 3 BASIC REQUIREMENTS OPERATIONAL SAFETY 7 4 INSTALLATION anawa nawa UI aaa instet ana 8 5 SERVICE 12 6 RS 485 INTERFACE 36 7 SOFTWARE UPDATING uu ua aaa 50 8 ERROR CODES U U U U U uuu 52 9 TECHNICAL DATA u uuu uuuu 53 10 PROGRAMMING EXAMNPLES 56 11 ORDER CODES 102101 58 12 MAINTENANCE AND 60 1 APPLICATION AND METER DESIGN The programmable digital panel meter N30O is destined for measu rements number of pulses frequency period worktime encoder position Additionally the meter enables the indication of the current time The readout field is a LED display which allows the exposition in colours red green and orange The measured input signal can be arbitrary converted by means of mathematic functions and or a 21 point individual characteristic Features of the N300 Meter e display colour individually programmed in three ranges programmable thresholds of displayed overflows 2 NCC relay alarms operating in 6 modes 2 switched
25. Value Description 0 Multiplication by the constant 1 Division by the constant Permit for external functions Start Stop Erasing Value Description 0 External functions switched off Access 4002 E In1 w r 0 2 functions from the keyboard level 1 External functions switched on Access by means of buttons switched off 2 External functions switched on Access by means of the keyboard and control inputs Averaged measurement time expressed in seconds 4003 Cnt 1 3600 This time defines the averaging time of the measured value The displayed value is the mean valud calculated from the Cnt1 period 39 Selection of input quantity recalibration 4004 SCAL2 wit 0 1 Value Description 0 Multiplication by the constant 1 Division by the constant Permit for external functions Value Description 4005 E_In2 wir 0 1 0 External functions does not influence the auxiliary counter work 1 External functions control the auxiliary counter work Mathematic function carried out on a measured value Value Description 0 switched off 1 measured value 4006 FUnCt w r 0 5 2 measured value 3 4 measured value 4 1 measured value 5 V1 measured value Erase the auxiliary counter The write of the value 1 into the register causes the erasing of the auxiliary counter The write of the value 2 causes the erasing 4007 CLr wit of the main counter The write of
26. ameters Causes the application of introduced RS 485 interface settings Write of standard parameters Description without changes Setup of standard parameters Password for parameters Description without password Entry in parameters preceded by a request about the password me wr 0 265 oe This parameter occurs in the ggmm format where gg means hours mm means minutes The introduction of a wrong hour will cause the setting 23 however the introduction of wrong minutes will generate the setting of the value 59 4038 unit wir 0 1 Switching on off the unit highlight Value Description 0 Highlight swiched off 1 Highlight switched on Reserved 4048 Statusi 0 65535 Meter status Describes the current state of meter Successive bits present the given event bit set up on 1 means that the event took place Events can be only erased Bit 15 Break of the supply 44 Bit 14 RTC clock Loss of settings Bit 13 Not used Lack of communication with data memory Wrong settings Manufacturer s settings restored Bi Lack of measured values in data memory Bi Reset of the auxiliary counter Bi Output plate is detected Bi Output plate error or lack of calibration Bi Reset of the main counter the counte has been automatically erased Bi Not
27. asuring range value or the programmed indica ovrLo ion range is signaled on the display by 19999 99999 he symbol Overflow of upper value of the measur ing range value or the programmed ovrHi indication range is signaled on the 19999 99999 display by the E symbol 23 Table 5 ALr1 ALr2 ALr3 ALr4 Parameter amp vmbol Description Range of changes 1 InP1 Main input indicated P_A2 value Input quantity steering the alarm P A3 InP2 input of the auxillary P A4 counter PrL1 PIOS Co ie 19999 99999 PrL3 PrL4 PrH1 PrH2 Alarm upper threshold 19999 99999 PrH3 PrH4 n on normal transition from 0101 n oFF normal transition from 1 to 0 on switched on tYP1 oFF switched off tYP2 Alarm type Fig 12 presents the H on manually switched tYP3 graphical imaging of alarm types on till the change time of the tYP4 alarm type the alarm output remains switched on for good H oFF manually switched off till the change time of the alarm type the output alarm remains switched off for good 24 Table 5 dLY1 dLY2 dLY3 dLY4 LEd1 LEd2 LEd3 LEd4 Delay of alarm switching time of delay by alarm switching on and switching off Support of alarm signaling In the situation when the support function is switched on after the alarm state retrea the signaling diode is not blanked It signals
28. behind the measuring range as the time of the measurement is accepted the longest time of the measurement Automatic erasing in dependence from the counting mode according to the table 8a When the measured value is increase and value AUTO is larger than the zero then after the crossing AUTO is measured value reset However when the measured value is reduced and the zero will cross then the measure value is placed on AUTO 27 Pee gspuemdn pasn 10 jo HUO anjen aut Bununoo BuissoJo eu 009 S O zd s009 gt 1 gt 501 g 09S Ul z p sn ION poued Hdd einseau jeug n jo 1ueueunseej sid indui SLL gt 1 ponad pubis w w Gr jo 1ueuueunseejA 139 02 50 p ds euonejo pub et Guunseejy Jo 1ueuienseej 4 s indui 5 pasn 10N ouenbui Hb914 jo Juawejnseejy 02 50 indi ZHAOL gt 3 g 08S ui euin e pesn fitness 534 n jo 1ueuienseej UR Spiemdn yit M oP F ses nd sasind jo Jejunoo es ind Ge OLAW jo Buqunog Guqunog HUD eui BuissoJo ul L OLN spuooes ul jeuBis au jo 1lu uu mse W 8 992 MOPUIM lu uu 1 nsea
29. cceptance tests without extra requirements with an extra quality inspection certificate _ after agreeing with the manufacturer Order example The code N300 10 01 00 E 0 means N300 programmable N300 digital panel meter 1 supply 85 253 V a c d c 0 lack of additional outputs 01 unit V acc to tabel 2 00 standard option E English language 0 without extra requirements 58 Code of the backlighted unit Table 17 Code Unit Code Unit 00 Lack of unit 29 01 V 30 RH 02 A 31 pH 03 mV 32 kg 04 kV 33 bar 05 mA 34 m 06 kA 35 07 36 s 08 kW 37 h 09 MW 38 m 10 var 39 obr 11 kvar 40 szt 12 Mvar 41 imp 13 VA 42 rps 14 kVA 43 m s 15 MVA 44 1 5 16 kWh 45 obr min 17 MWh 46 r p m 18 kvarh 47 mm min 19 Mvarh 48 m min 20 kVAh 49 l min 21 MVAh 50 m min 22 Hz 51 szt h 23 kHz 52 m h 24 Q 53 km h 25 kQ 54 m h 26 C 55 kg h 27 56 l h 28 K XX on order1 1 after agreeing with the manufacturer 59 12 MAINTENANCE AND GUARANTEE The N300 digital panel meter does not require any periodical mainte nance In case of some incorrect 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 m
30. des The work of alarms in modes is presented in the fig 12 n on n off on off Two remaining modes h on and h off mean suitably always switched on and always switched off These modes are destined for the manually simulation of alarm states Alarm Alarm output output A 1 output output Y switched on switched output output switched off switched on gt gt PrL PrH Measured PrL PrH Measured quantity quantity a n on b n off Alarm Alarm output output A A i gt 1 output output output switched on 0 switched on switched on output output output switched off switched off switched off gt l gt PrL PrH Measured Measured quantity quantity c on d off Fig 12 Alarm types a n on b n off c on d off 32 Caution e Incase of alarms of n on n off on off types the write NN of PrL PrH will cause the alarm switching off e In case of a measuring range overflow th e reaction of relays is compatible with written PrL PrH tYP parameters In spite of the displayed overflow the meter still carries out the measurement e The meter controls currently the value of the introduced parameter at the moment In case when the introduced value overflows the upper change range given in the table 1 the meter will make automatically the change into the maximal value Similarly in case when the introduced value
31. e display narrowing 6206 7206 7603 ovrHI w r 9999 99999 Upper threshold of the display narrowing 6208 7208 7604 PRL1 w r 9999 99999 Lower threshold of alarm 1 6210 7210 7605 PrH1 9999 99999 Upper threshold of alarm 1 6212 7212 7606 PRL2 9999 99999 Lower threshold of alarm 2 6214 7214 7607 PrH2 w r 9999 99999 Upper threshold of alarm 2 6216 7216 7608 PRL3 w r 9999 99999 Lower threshold of alarm 3 6218 7218 7609 PrH3 w r 9999 99999 Upper threshold of alarm 3 6220 7220 7610 PRL4 w r 9999 99999 Lower threshold of alarm 4 6222 7222 7611 PrH4 w r 9999 99999 Upper threshold of alarm 4 6224 7224 7612 AnL w r 9999 99999 Lower threshold of analog output 6226 7226 7613 AnH w r 9999 99999 Upper threshold of analog output 6228 7228 7614 ConS1 wir 19999 99999 Constant 1 quantity 6230 7280 7615 wr 0 60000 Minimal duration Mam re level on 6232 7232 7616 t H1 wit 0 60000 Minimal duration of the high pulse level on the main input 46 Automatic reset of the main counter 6234 7234 7617 Auto1 19999 99999 Measurement time of the low frequency speed and periods table 8a 6236 7236 7618 Cons2 wir 19999 99999 Constant recalibrating the input quantity on the auxiliary input 6238 7238 7619 112 wir 0 60000 Minimal duration of he low pulse level on the auxiliary input 6
32. eter has been used in compliance with the instructions the Manufacturer warrants to repair it free of charge After the Guarantee Period One should turn over the meter to repair it in a certified service workshop The disassembling of the casing causes the cancellation of the granted guarantee Our policy is one of continuous improvement and we reserve the right to make changes in design and speci fications of any products as engineering advances or necessity requires and revise the above specifications without notice 60 61 62 63 LUMEL LUMEL S A ul Stubicka 1 65 127 Zielona Poland Tel 48 68 45 75 100 exchange Fax 48 68 45 75 508 http www lumel com pl N300 09D Export Department Tel 48 68 45 75 302 or 304 Fax 48 68 325 40 91 e mail export lumel com pl
33. g parameters pulse constant 1K 4 3956 dm pulse 0 0043956 m pulse minimal flow Qmin 0 02 m3 h The parameters of input 1 should be set as follows tYP1 should be set to FreqL frequency for f 10kHz The pulse constant for scaling should be given in m3 but only five significant digits can be set When multiplying by a constant SCAL set to AND when rounded to five digits we get value 0 0044 introducing to the result of the calculation error of 0 196 To reduce the error introdu ced by the conversion change the scaling by a constant dividing SCAL set to div and as a constant value write the multiplicative inverse 51 __ 227 5002275 227 50 0 0043956 When the inverse is rounded to five digits the error introduced into the calculations is of the size of 0 0001 SCAL1 should be set to ConS1 should be set to 227 50 t L1 and t H1 should be set to a value 10 ms due to the multiplication of the pulse with a mechanical switch E In1 if no control inputs are used should be set to To set the time after which a zero flow will be indicated the maximum time interval between pulses should be calculated for minimum flow Qmin pulse weight m3 3600 s maximal time interval between pulses t_max Qs Imi min _ 0 0043956 3600 s t max T EINE 56 Auto1 the maximum time interval between pulses for minimum flow 16 s FUn t mathema
34. ig 12 Value Description Support of alarm 2 signaling Description Support switched off Support switched on 4021 P a3 w r 0 1 Input quantity controlling the alarm 3 Value Description 0 Main input 1 Auxiliary input 4022 tyP3 wir 0 5 Type of alarmu 3 description fig 12 Value Description 0 n on 1 n off 2 on 3 off 4 h on 5 h off 42 Delay of alarm 3 switch on and switch off in seconds Support of alarm 3 signaling Description Support switched off Support switched on Input quantity controlling the alarm Description Main input Auxiliary input Type of alarm 4 description fig 12 Value Description Support of alarm 4 signaling Description Support switched off Support switched on Input quantity which the analog output has to react on Value Description Main input Auxiliary input Type of analog output Description Voltage input 0 10 V Current input 0 20 mA Current input 4 20 mA 4031 bAud wir 0 5 Baud rate Value Description 0 4800 bit s 1 9600 bit s 43 19200 bit s 38400 bit s 57600 bit s 115200 bit s wa Mame US Description ar WP Device address The write of the value O causes the interface switching off Update transmission par
35. ing the value lt button changing the digit display of minimal value The pressure of the button causes the display of the minimal value during ca 3 seconds entry in the level of parameter group moving through the selected level change of selected parameter value shift on the next digit resignation button entry in the menu monitoring the meter parameters by holding down ca 3 seconds exit from the menu monitoring meter parameters resignation of the parameter change absolute exit from the programming mode holding down ca 3 seconds The pressure of the button combination and holding them down ca 3 seconds causes the erasing of alarm signaling This operation acts only when the support function is switched on The pressure of the lt button combination causes the era 13 sing of the minimal value The pressure of the button combination causes the era sing of the maximal value The pressure of the 4 button combination causes the display of the second counter contents A longer holding down longer than 3 seconds causes the reset of the main counter if the ser vice of counters from the keyboard is switched on The auxiliary counter is reset only from the Inp2 counter Thepressureofthe lt 4 lt button combination longerthan 3 seconds causes counting stop for pulse counter and work time coun ter mode in case when the button function is on The pressureofthe lt
36. l functio switched off Access to functions only from the level of meter buttons In functions switched off External functions switched on Access by means of but tons is switched off bUtin External functions Switched on Access by means of buttons and additional inputs Higher priority have external inputs The option of the counter erasing is available from the keyboard level Auto1 In the counter working modes the counter value is automatically erased after reaching this value The write of the value 0 switches the function off In the working mode of low frequency measurement speed periods it is the time in seconds of the measurement duration waiting for the pulse 19999 99999 Cnt1 The measurement time is expressed in seconds The result on the display presents the mean value counted in the Cnt1 period This parameter is not taken into consideration during the measurement in counter modes 1 3600 20 FUnCt Mathematic function On the mea sured value is carry out additionaly a chosen mathematic operation Then this value is rescaling by individual characteristic OFF lack of mathematic operation sqr measured value sqrt value Inv 1 measured value InvSq 1 measured value InvSt V1 measured value InP 2 Table 2 Para meter symbol Description Range of changes Cntr2 Current value
37. lays the measured value 5 4 1 Value Change Way of the Chosen Parameter In order to increase the value of the selected parameter one must press the a button A single pressure of the button causes the increase of the value of 1 The increase of value when displaying the di git 9 causes the setting of 0 on this digit The change of the digit follows after pressing the button In order to accept the set up parameter one must hold down the button Then the write of the parameter and the display of its symbol follows alternately with the new value The pressure of the but ton during the change of the parameter value will cause the resignation of the write 5 4 2 Changing Floating Point Values The change is carried out in two stages the transition to the next stage follows after pressing the button 1 setting the value from the range 19999 99999 similarly as for in tegral values 18 2 setting of the decimal point position 00000 0000 0 000 00 00 000 0 0000 the lt button shifts the decimal point to the left howe ver the button shifts the decimal point to the right The pressure of the button during the change of the parameter value will cause the resignation of the write control function of the low signal level off The value is given in milliseconds Table 1 InP 1 Para meter Description Range of changes symbol Cntr number of pulses
38. n manufacturers settings The setup of the value YES causes no do nothing the write of standard parameters SEt imta the meter YeS causes the write of Values of manufacturers manufacturer s settings eters are presented in the table 9 Introduction of a new password SEC The introduction of the value 0 0 60000 Switches the password off Setting of the current time The introduction of a wrong time HOUR cancels the introduction of time 0 00 23 59 The introduced value will not taken On unit highlighting switched on Highlighti f th it unlt Off unit highlighting switched off Display test The test consists YeS causes the test start a successive lighting up of digital tESt display segments Alarm diodes the J and unit backlighting diodes utton ends e test should be lighted no do nothing The modes of the work of the main input W1 W3 and additional input W2 taken down in table 8 The input W3 is auxiliary input of main used only in the counter and encoder mode The additional input W2 works only as the counter of impulses The crossing value AUTO in the coun ter encoder and worktime mode cause automatic erasing the counter In the mode the measurement of the frequency f lt 10kHz rotational Speed period inscription of the value from the range of the time me asurement the time of duration of the single measurement reduces For the value AUTO from
39. n the fig 11 30 Expected value A Y10 ye 9 Y7 Y6 Y5 Y4 Y2 4 ic I gt H1 H2 H3 H4 H5 H6 H7 H8 H9 H10 Measured value Input function Linearized function Fig 11 Individual Characteristic During the function approximation one must remember that for the ap proximation of functions strongly differing from the linear characteristic higher the number of linearizing segments smaller the error related to the linearization If measured values are smallest from H1 then recalculations will be made on the base of the first straight line calculated on the base of po ints H1 Y1 and H2 Y2 However for values higher than Hn where n 22 the last declared measured value the value to display will be calculated on the base of the last assigned linear function Note All introduced points of the measured value Hn must be arran ged in the increasing sequence such to preserve the following dependence H1 H2 H3 Hn If the above is not fulfilled the individual characteristic function will be automatically switched off will not be realized and a diagnostic flag will be set up in the status register 31 5 4 5 Alarm Types The meter is equipped with 2 alarm outputs with NOC contact make contact and two alarm outputs with NOC NCC contact make and break contact option Each of alarms can work in one of the six mo
40. n the meter connectors are presented on the fig 4 All input signals are separated between them and separated from other circuits Circuits of successive groups of signals are separated between them Additional output signals option 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 N300 112 3 4 5 6 7 8 9 101112 13 14 115 16 17 18 TUL PUC RST SS ALI gt O 85 253 V or wa w1 gt 20 40 V I3 24 V d c Main input 30 mA Fig 4 Description of Signals on Connection Strips Clamps Description Clamps Description 1 2 W3 Main input Counting of pulses 11 12 alarm output 1 relay downwards 13 14 alarm output 2 relay 3 4 W2 Additional input Auxiliary 15 16 24 V external transducer supply counter output 5 6 Wh1 Main input Counting of pulses 17 18 supply upwards work time 20 21 22 RS 485 output 7 8 RST Reset input reset ofthe main 23 24 analog output 1 voltage counter or and auxiliary counter 25 26 analog output 1 current The function is available after swit 27 28 29 alarm output 3 relay ching in the meter menu on 30 31 32 alarm output 4 relay 9 10 S S start stop of counting The 34 85 OC open collector output of function is available after switching npn
41. nd go to Restoration of manufacturer s parameters Select checkbox and press Apply button Next press Send button to restore previous y read para meters Current firmware version can be checked when meter is power on Warning Power loss during firmware update could resu meter damage t permanent 51 8 ERROR CODES After switching the meter on or during the work messages about errors can appear Error message essages about errors and their reasons are presented below Table 14 Description Overflow of upper value of the measuring range value or the programmed indication range Overflow of lower value of the measuring range value or the programmed indication range ErFrt Communication error with the data memory One must contact the service workshop ErPar Parameter error Wrong configuration data Manufacturer s settings will be restored after pressing any button ErdEF Default settings have been restored One must press any push button to transit to a normal work ErFPL Error of measured values stored by the meter measured value maximal value minimal value One must press any push button to transit to the normal work After pressing the push button the ErdEF message will be displayed during one second ErCAo Error of analog output calibration One must press any push button to transit to the normal mode Analog outputs will not be serviced One mu
42. on Y causes YeS Erase the counter CLr2 rewrite of the value Auto2 to the AUtO2 rewrite value of counter and the transition of the AUtO2 to aux counter function in the state n Table 3 Ind Parameter symbol Description Range of changes Number of points of the individual characteristic For a value lower than 2 the individual characteristic is switched off The number of segments is the IndCp number of points reduced of one nA In CountH and HoUr modes the indi vidual characteristic is not taken into consideration Point value for which we will expect Yn Xn n point number 19999 99999 Yn Expected value for Xn 19999 99999 22 Table 4 dISP Parameter symbol Description Range of changes Minimal position of the decimal point 0 0000 0 when displaying the measured value 00 000 1 d P display format This parameter is not 000 00 2 aken into consideration during the 0000 0 3 modes CountH and HoUr 00000 4 Display colour when the displayed CoLdo value is ower than CoLLo Display colour when the displayed rEd red CoLbE value is higher than CoLLo and lower grEEn green han CoLHi orAnG orange Display colour when the displayed value CoLuP higher than CoL Hi CoLLo Lower threshold of colour change 19999 99999 CoLHi Upper threshold of colour change 19999 99999 Overflow of lower value of the me
43. overflows the lower change range given in the table 1 the meter will make automatically the change into the minimal value 5 4 6 Display Format The N300 meter adapts automatically the disp the value of measured quantity So that the func ay format precision to ion could be fully used one must choose the format 0 0000 then the meter will display the me asured value with the possible highest accuracy This function does not operate for the time display where the format The current time mode is displayed in is set up automatically he 24 hours format in the hh mm shape where hh current hour and mm current minute During the worktime measurement mode CntH the format is adapted to the measured value Formats of worktime displays are presented below e h mm ss for a number of hours less than10 e hhh mm for a number of hours higher equal than10 and less than 1000 e hhhhh for a number of hours higher than 1000 Where h number of hours m number of minutes s number of seconds 33 5 5 Manufacturer s Parameters Standard settings of the N30O meter are presented in the table 9 These settings can be restored by means of the meter menu through the choice of the option Set from the menu Ser Table 9 Parameter symbol Level in matrix Standard value tYP1 1 Cntr SCAL1 1 dlu ConS1 1 1
44. parameter configuration of the serial interface consists in the settlement of the baud rate bAUd parameter device address Addr parameter and the format of the information unit prot parameter Notice Each meter connected to the communication network must have e unique adaress different from addresses of other devices connected to the network e identical baud rate and type of information unit 37 6 3 Description of Applied Functions Following functions of the MODBUS protocol have been implemented in the meter e 03 Readout of n registers e 04 Readout of one register e 06 Write register e 16 Write of n registers e 17 Identification of the slave device 6 4 Register Map In N30O meter data are stored in the 16 and 32 bit registers Process variables and meter parameters are placed in the address area of registers in a manner dependent on the type of the value of the variable The bits in the 16 bit register are numbered from the youngest to the oldest 00 015 32 bit registers include numbers of float type in the IEEE 754 stanard Notice All given addresses are physical addresses In some computer pro grams logic addressing is applied then addresses must be increased of 1 Table 10 Range Value wz ofaddresses type Description 7 integer 4000 4049 16 bits Value placed in a 16 bit register legi Value placed in two successive 16 bit registers Registers 60
45. ploited in electromagnetic industrial environment conditions e When connecting the supply one must remember that a switch or a circuit breaker should be installed in the building This switch should be located near the device easy accessible by the operator and suitably marked as an element switching the meter off e Non authorized removal of the housing inappropriate use incorrect installation or operation creates the risk of injury to personnel or meter damage For more detailed information please study the User s Manual 4 INSTALLATION The meter has separable strips with screw terminals what enables the connection of external wires of 1 5 mm cross section for input signals and 2 5 mm for other signals One must prepare a hole of 92 06 x 45 06 mm in the panel which the thickness should not exceed 6 mm The meter must be introduced from the panel front with disconnected supply voltage Before the insertion into the panel one must check the correct placement of the seal After the insertion into the hole fix the meter by means of clamps fig 2 Fig 2 Meter Fixing 1 2 3 4 p j CE CEJ 2 lt Lx Q Fig Overall Dimensions 4 1 Lead out of Signals Signals led out o
46. relay alarms with a switching contact operating in 6 modes option e signaling of measuring range overflow automatic setting of the decimal point e programming of alarms and analog outputs with the reaction on the selected input quantity main or auxiliary input additional counter input control inputs of the main input work additional or both simultaneously signaling of additional input state possible control of counter operation by means of the meter keyboard automatic reset of counters at the set point value real time clock with the function of the clock supply support in case of the meter supply decay programmed averaging time function of walking window with the averaging time up to 1 hour monitoring of set parameter values locking of introduced parameters by means of a password mathematic functions for measured value calculation recount of the measured quantity on the base of the 21 point individual characteristic e interface with MODBUS protocol in the RTU mode option e firmware updating by RS485 interface option e conversion of the measured value into a standard programmable current or voltage signal option e highlight of any measuring unit acc to the order e signaling of alarm operation switching the alarm on causes the highlight of the output number e galvanic separation of pulse inputs between them e galvanic separation between terminals alarm supply input analog
47. st contact the Service Department 52 9 TECHNICAL DATA easuring Ranges Table 15 Kind of inputs umber of pulses Cntr1 Cntr2 Frequency 10 kHz Indication range Class 19 999 99 9991 0 05 99 999 Hz 2 1 99 999 kHz Frequency 10 kHz measuring range up to 0 01 1 MHz 3 Rotational speed 0 05 99 999 Rev min 1 0 01 Period t 10s 0 0001 11 s 0 01 Period t 10s 0 0001 3600 611 0 01 Worktime counter 0 99 999 h 0 5 sec 24 hours Current time 00 00 23 59 0 5 sec 24 hours Encoder 19 999 99 9991 maximal frequency of i nput signal with filter 2 KHz without filter for Cntr1 input 10 kHz for Cntr2 inpu with filter 100Hz maximal frequency of Relay outputs Analog outputs option 8 kHz table 8 maximal frequency of input signal 100 kHz measuring range without filter 10 kHz input signal 1MHz relays NOC voltageless contacts load capacity 250 V 0 5A relays switched voltageless contacts load capacity 250 V 0 5A rogrammable current 0 4 20 mA load resistance lt 500 Q programmable voltage 0 10 V load resistance 500 Q 53 Output of auxiliary supply Alarm output OC option Input signals Duration of control signals Serial interface RS 485 Transmission protocol Error of analog output Protection level ensured by the casing frontal side terminal
48. tical functions for frequency measurement should be set to oFF ntl set to value 1 averaging current measurements every second Then set the individual characteristics IndCp set 2 points X1 set 0 Hz Y1 set the corresponding flow 0 m3 h X2 set 1 pulse 1 Hz Y2 set the corresponding flow 3600 m3 h Example 2 Programming the analog output if you want to program the analog output as a signal 4 20 mA proportional to flow 4 mA 0m3 h 20 mA 125 m h set the output parameters as follows P_An set InP1 set the value O AnH set the value 125 typA set the type 4_20A 4 20mA Example 3 Programming the alarm output working with time delay if we want the alarm 1 to work in the range of flow from 1 m3 h to 30 m3 h and to be activated after 10 seconds set the alarm parame ters as follows P M set InP1 PrL1 set the value 1 PrH1 set the value 30 typ1 set the type on dLY1 set the value 10 LEd1 if an alarm indication is needed it should be set to on otherwise to OFF 57 11 ORDER CODES Table 16 Supply 85 253 V a c 40 400 Hz or d c 20 40 V a c 40 400 Hz or d c d c Additional outputs lack OC output RS 485 analog outputs OC output RS 485 analog outputs switched over relay outputs Unit unit code acc to the table 2 Version standard custom made Language Polish English other A

DIGITAL PANEL METER N30O TYPE

Contents

Download Pdf Manuals

Related Search

Related Contents