DIGITAL PANEL METER N30P TYPE USER`S MANUAL
Contents
1. uonduosul puomssed poo 46 eui eur oeuoout uodns puomssed lo o jo jo 10 spuooes 6 S gt spuooes 2 IN3IA3HOSV3IN spuooes JO spuooos g C JC E Senje Jo 14 displayed value however the pressure of the LZ button causes the display of the maximal value of the currently displayed value The exit from the monitoring menu is carried out by means of the button 5 4 Programming The pressure of the button and holding it down through ca 3 seconds causes the entry to the programming matrix If the entry is pro tected by a password then the safety code symbol SEC is displayed alternately with the set value 0 The write of the correct code causes the display of the ErCod inscription The matrix of transitions to the programming mode is presented on the fig 8 The choice of the level is made by means of the button lt however the entry and moving through the parameters of the chosen level is carried ou2. Fig 4 Electrical connections of the meter for direct measurements Additional output signals option o gt gt RS485 04 20m 1 B A 0 10 lt i 5 Fig 5 Electrical connections of meter for indirect measurements 10 5 SERVICE 5 1 Display Description prefixes capacitive character of reactive power alarm measured value highlighted unit resignation button increasing button value acceptation change button button Fig 6 Description of the meter frontal plate 5 2 Messages after switching the supply on After swi ching the switching supply on the meter displays the meter name and next the program version in the shape where is the number of the current program version or the number of a custom made execution Next the meter carries out measurements and disp ays the value of the input signal The meter sets automatically the decimal point position when displaying the value using prefixes k kilo highlighti M mega The overflow of alarm thresholds is signaled by ng alarm indexes 1 2 3 4 and switching relays for alarm 3 and 4 relays are as option The meter highlights automatically the unit of the measured value In case of an error occurrence or any exceeding of the range value a message descri
3. 1 pc Clamps to fix in the 4 pcs 1 When unpacking the meter please check whether the type and execu tion 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 Observations concerning the operational safety 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 The programming of N30P meter parameters must be carried out after disconnecting measuring circuits Before switching the meter on one must check the correctness of connections to the network Do not connect the meter to the network through an autotransformer Before removing the meter housing one must switch the supply off and disconnect measuring circuits The removal of the meter housing during the guarantee contract period may cause its cancellation The meter fulfills requirements related to electromagnetic compatibility in the industrial environment 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
4. 55 1 syed jndino peue eue 20 pjoy Bojeue 10 E 1 pneg Jo 4607 3 jo ed 301d pnya V IH uv uv uv d no Kejap edA inia t pd TD indui o 9 jndino jeuonippe v P31 V v Md pv uonnoexe uoddns edA piouseuu y Ul Jn990 jou OG x o Pat dA Hid uoddns Aejap edA piouseuui M rides euis 1 M07 Midi ZWE v P31 Z ATP Z d env uoddns edA piouseug P eulis JOMO7 indu e V dA V Hid V Md VV d uiv inoj MO HOMO 10 09 Jo px moog 4 0 09 esed sedan SIPPIIN JeuutuiN Ae dsiq e IH199 91102 anoo 539709 8 L jndui indui oJuou s pofe dsip pun Jo 4gou S
5. 2 d L ed A ESSO ou na nuy dA indui 16 causes a continuous increase of the value on the given digit The increase of value when displaying the digit 9 causes the setting of O on this digit The change of the digit follows after pressing the C3 button In order to accept the set parameter one must hold down the button Then the saving of the parameter follows and the display of its symbol 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 Changing of Values The change is carried out in three stages the transition to the next stage follows after pressing the button 1 setting the value from the range 19999M 99999M similarly as for integral values 2 setting of the decimal point position 00000 0000 0 000 00 00 000 0 0000 the 1 button shifts the decimal point to the left however the zx button shifts the decimal point to the right 3 choice of the prefix lack k M the 25 button switches the next prefix the chosen prefix is displayed in orange The pressure of the button during the change of the parameter value will cause the resignation of the saving 17 Table 1 Para meter Description Range of changes symbol U RMS voltage 1 RMS current P active power reactiv
6. means hours mm means minutek The introduction o a wrong hour will cause the set ting 23 however the introduction of wrong minutes will generate the setting 59 4038 Unit w r 0 16 Switch on and off the unit display RMS voltage RMS current Active power Reactive power Apparent power Active power factor Ratio of reactive active power Phase shift Frequency active energy reactive energy apparent energy Output of reactive energy 15 minutes mean active power 10 minutes mean voltage 10 secondes mean frequency Current time Switched off for good The unit is displayed when the value In the register 4000 is equal to the value In the register 4038 4039 0 1 Reset of active watt hour meters Lack of operation Reset of active watt hour meters eset of reactive watt hour meters Lack of operation Reset of reactive watt hour meters Lack of operation Beginning of the 15 minutes mean power synchronization 37 wueye 5 5 Aejay 5 aS eBuei JAMO eui jo Bureufis eBueij jeddn eui jo Bureufis jue uno 1o pue beyon ews Jo BulyeuBis Beginning of the 10 minutes mean voltage
7. red green orange Display colour when the displayed value is 4011 CoLbE ic higher than in the register 7600 and less than in register 7601 red green orange red green orange of the input quantity type on which the alarm 1 has to react RMS voltage RMS current Active power Reactive power Apparent power Active power factor Ratio of reactive active power Phase shift Frequency Input of active energy Output of active energy Input of reactive energy Output of reactive energy 15 minutes mean active power 10 minutes mean voltage 10 secondes mean frequency 31 4014 1 0 5 Type of alarm 1 description fig 6 4015 dLY 1 0 120 Delay of alarm 1 in seconds 4016 LEd 1 wir 0 1 Support of alarm 1 signaling Support switched off Support switched on Kind of the input quantity type on which the alarm 2 has to react RMS voltage RMS current Active power Reactive power Apparent power Active power factor Ratio of reactive active power Phase shift Frequency AJOIN nput of active energy Output of active energy nput of reactive energy Output of reactive energy 15 minutes mean active power 10 minutes mean voltage 10 seconds mean frequency 32
8. 4018 2 0 5 Type of alarm 2 description fig 6 4019 dLY 2 0 120 Delay of alarm 2 in seconds 4020 LEd_2 wir 0 1 Support of alarm 2 signaling Support switched off Support switched on ind of the input quantity type on which the alarm 3 has to react RMS voltage RMS current Active power Reactive power Apparent power Active power factor Ratio of reactive active power Phase shift Frequency Input of active energy Output of active energy Input of reactive energy Output of reactive energy 15 minutes mean active power 10 minutes mean voltage 10 seconds mean frequency 33 4022 tYP 3 wir Type of alarmu 3 description fig 6 4023 dLY 3 0 120 Delay of alarm 3 in seconds 4024 LEd 3 0 1 Support of alarm 3 signaling Support switched off Suport switched on Kind of the input quantity type on which the alarm 4 has to react RMS voltage RMS current Active power Reactive power Apparent power Active power factor Ratio of reactive active power Phase shift Frequency nput of active energy Output of active energy nput of reactive energy Output of reactive energy 15 minutes mean active power 10 minutes mean voltage
9. 10 seconds mean frequency 34 4026 tYP 4 w r Type of alarm 4 description fig 6 dLY 4 0 120 Delay of alarm 4 in seconds 4028 LEd 4 0 1 Support of alarm 4 signaling Support switched off Support switched on Kind of the input quantity type on which the analog output has to react voltage RMS current Active power Reactive power Apparent power Active power factor Ratio of reactive active power Phase shift Frequency AJ ON Input of active energy Output of active energy Input of reactive energy Output of reactive energy 15 minutes mean active power 10 minutes mean voltage 10 seconds mean frequency 35 4030 tYP A wir 0 2 Type of analog output Voltage 0 10 V Current 0 20 mA Current 4 20 mA Fx T pave 4800 bit s 9600 bit s 19200 bit s 38400 bit s T wr T RTU 8N2 RTU 8E1 RTU 801 RTU 8N1 Device address Update display parameters without changes update Write of standard parameters without changes set standard parameters 0 60000 Password for parameters without password entry in parameters preceded by a request about the password 4037 HoUr 0 2359 Current time This parameter occurs in the ggmm format where
10. e maximal response time 1000 ms Parameter configuration of the serial link is described in the further part of the user s manual It consists on the settlement of the baud rate bAUd parametr device address Addr parameter and the type of the configuration unit Mode parameter Notice Each meter connected to the communication network must have unique adaress different from addresses of other devices connected to the network e identical baud rate and type of information unit Following functions of the MODBUS protocol hale been implemented in the N3OP meter Table 3 Meaing Readout of n registers Identification of the slave device 27 6 3 Register Map of the N30P Meter Table 4 Range of addresses Value type Description 4000 4100 7000 7199 integer 16 bit w float 32 bity Value placed in a 16 bit register Value placed in two successive 16 bit registers Registers include the same data as 32 bit register from the area 7500 Registers are only for readout 7200 7400 float 32 bity Value placed in two successive 16 bit registers Registers include the same data as 32 bit register from the area 7600 Registers can be read out and written 7500 7599 float 32 bity Value placed in a 32 bit register Registers are only for readout 7600 7700 float 32 bity Value placed in a 32 bit register Registers can be read out
11. mean active power active power measurement hoice YES causes the beginning Synchronization of 10 minutes mean minutes mean voltage measure voltage Exit from the parameter group ofthe pressure of the button chosen level causes the exit from the parameter group of the chosen level Display test The test consist on the successive lighting up of digital 1 hoice YES causes the switching display segments Alarm diodes test on The pressure of the and highlighting diodes should be button ends the test lighted ibut Alarm output 4 4 1 1 output output 7 switched on switched on 0 0 output output Switched off switched off gt PrL PrH Measured Measured quantity quantity n on b n off aam Alarm output 4 4 1 output output output Switched 0 switched on Switched on output output T output switched off switched off switched off gt PrL PrH Measured PrH Measured quantity quantity c on d off Fig 9 Alarm types a n on b n oFF c on d oFF Remaining types of alarms h on always switched on h oFF always switched off 23 Caution e case of alarms of n on n oFF on oFF types the write of PrL gt PrH will cause the alarm switching off e In case of a measuring range overflow the reaction of the n th relay is compatible with
12. 11 2 o o Bit 10 a Bit 9 USrednianie czestotliwosci 10 sekundowej 0 a full interval of frequency averaging time is going by 1 a full interval of frequency averaging time is not going by Bit 8 Averaging of 10 minutes voltage 0 a full interval of voltage averaging time is going by 1 a full interval of voltage averaging time is not going by Bit 7 Averaging of 15 minutes active power O a full interval of power averaging time is going by 1 a full interval of power averaging time is not going by Bit 4 Signaling of too small values of voltage and or current normal work 1 too small voltage current to measure the power factor 19 fi 39 Bit 3 State relay alarm 4 O switched o 1 switched on Bit 2 State relay alarm 3 0 switched o 1 switched 4 4 58 8 9 Sg oT G Sooke 5595 Boge 8525 6 or 2599 S29 O GN The value is placed in 32 bit registers write w readout r Bit 1 State relay alarm 2 O switched o switched on Bit 0 State relay alarm 1 O switched o switched on Table 6 Description 7200 7600 CoLLo w r 19999M 99999M Lower threshold of the display colour change 7202 7601 CoLHI w r 19999M 99999M Upper threshold of the display colour chang
13. 40 W 2 88 kW 0 596 Reactive power 19999 Mvar 0 00 99999 Mvar 2 88 kvar 1 40 var 2 88 kvar 0 5 Apparent power 0 00 99999 MVA 1 40 VA 2 88 kVA x 0 596 Coefficient PF 1 0 1 1 0 1 0 5 Tangens 9 1 2 0 1 2 1 2 0 1 2 1 0 359 0 359 196 Active energy 0 9 999 999 9 kWh 0 9 999 999 9 kWh x 0 596 Reactive energy 0 9 999 999 9 kvarh 0 9 999 999 9 kvarh x 0 596 Current time 0 00 23 59 0 00 23 59 1 second 24h Relay outputs voltage transformer ratio 0 1 4000 0 i current transformer ratio 1 10000 relays voltageless NOC contacts oad carrying capacity 250 V 0 5 A relays voltageless switched contacts oad carrying capacity 250 V 0 5 A option Analog output option 46 current programmable 0 4 20 mA oad resistance lt 500 Q voltage programmable 0 10 V oad resistance gt 500 galvanically isolated resolution 0 0196 of the range Serial interfaces option Energy pulse output option Pulse constant of O C type output Galvanic separation between supply measuring input supply analog output supply pulse output supply 5485 interface measuring input analog output measuring input pulse output RS485 address 1 247 Mode 8N2 8E1 801 8N1 Baud rate 4 8 9 6 19 2 38 4 kbit s Transmission protocol Modbus RTU Maximal time to begin a response 1000 ms output of O C type passive
14. colour change 19999M 99999M Upper threshold of display colour change 19999M 99999M Lower threshold of the display con straint 19999M 99999M Upper threshold of the display constraint eres ail 19999M 99999M 19 Kind of input value type which the alarm has to react on U RMS voltage 1 RMS current P active power q reactive power apparent power PF active power factor ratio of reactive power to active power FI phase shift FrEq frequency EPPoS active energy input EPnEG active energy output reactive energy input EqnEG reactive energy output PAv 15 minutes mean active power UAv 10 minutes mean voltage FAv 10 seconds mean frequency 20 Lower alarm threshold Upper alarm threshold Alarm type The fig 9 presents a graphic display of alarm types Delay of alarm switching 19999M 99999M 19999M 99999M n on normal transition from O to 1 n oFF normal transition from 1 to 0 on switched on oFF switched off H on manually switched on till the time of alarm type change the alarm output remains switched on for good H oFF Manually switched off till the time of alarm type change the alarm output remains switched off for good 0 120 seconds n the Supporting of alarm signaling situation when the support function is switched on after
15. of A class acc to EN 62053 31 supply voltage 18 27 V current 10 27 mA 5000 imp KWh independently of Ku Ki settings 3 2 kV d c 2 kV d c 2 kV d c 2 kV d c 3 2 kV d c 3 2 kV d c measuring input RS485 interface 3 2 kV d c analog input pulse output analog input RS485 interface alarm output other circuits 2 kV d c 2 kV d c 2 kV d c Protection grade ensured by the casing from frontal side from rear side Weight Dimensions IP 65 IP 10 0 2 kg 96 x 48 x 93 mm Reference Conditions and Rated Operating Conditions supply voltage 85 253 V d c or a c 40 400 Hz 20 40 V d c or a c 40 400 Hz 47 input signal 0 0 005 1 211 0 05 1 2Un for current voltage 0 0 1 1 21 0 0 1 1 2U n for coefficients Pfi 191 frequency 45 66 100 Hz sinusoidal THD lt 896 power factor 1 0 1 ambient temperature 25 23 55 storage temperature 30 70 relative air humidity 25 95 inadmissible condensation admissible peak factor of current 2 voltage 2 external magnetic field 0 400 A m short duration overload 5 s voltage inputs 2Un max 1000 V current inputs 10 In work position any input power 6 VA Additional Errors in of the basic error from frequency of input signals 5090 from ambient temperature changes 50 10 Standards Fulfilled by the Meter Electromagnetic Co
16. of lower value of programmed indication range Loss of meter calibration values One must contact the service workshop Loss of calibration values of meter analog outputs The pressure of the ESC button switches the message off analog outputs remain switched off One must contact the service shop Innapropriate values in meter configurating data The pressure of the ESC button switched the message off One must set meter parameters again ErEnr Incorrect energy values in the meter The pressure of the ESC button switched the message off Energies are reset ErCod Password incorrectly introduced During the meter operation messages about errors can appear Rea Sons of errors are presented below 1 Erovr when the voltage and or current is too small or too high during the measurement 90 below 10 Un In f below 10 Un 2 ErPAv the full interval of the power P_Av averaging time is not going by 3 ErUAv the full interval of the voltage U_Av averaging time is not going by 4 ErFAv the full interval of the frequency F_Av averaging time is not going by 45 8 TECHNICAL DATA Measuring Ranges Table 8 Measured value Indication range Measuring range Basic error Current 1 5 A 0 000 60 kA 0 02 6 A 0 2 Voltage 100 400 V 0 0 1 92 MV 1 480 V 0 2 Frequency 45 00 100 00 Hz 45 0 66 0 100 Hz 0 2 Active power 19999 99999 MW 2 88 kW 1
17. written PrL n n n parameters In spite of the displayed overflow the meter still carries out the measurement e meter controls currently the value of the introduced parame ter at the moment In case when the introduced value overflows the upper range given in the table 1 the meter will make automatically the change into the maximal value Similarly in case when the introduced value overflows the lower change range given in the table 1 the meter will make automatically the change into the minimal value 5 5 Manufacturer s Parameters Table 2 Parameter symbol Level in the matrix Standard value trU trl PAv 24 0 0000 0 P_4 dLY_1 dLY_2 dLY_3 dLY_4 LEd_1 LEd_2 LEd_3 LEd_4 Addr oo 2e ___ 3 PT 920 24 OFF OFF wy nm 3 4 5 6 3 4 5 6 SEC HoUr 25 6 INTERFACE 5 485 programmable digital meters have serial links in RS 485 standar ds for the communication in computer systems and with other devices fulfilling Master function An asynchronous communication character protocol MODBUS has been implemented on the serial link The trans mission protocol describes ways of information interchange between devices through the serial link 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 For the connectio
18. 00 19200 bit s 38400 38400 bit s 8 2 8N2 Prot ind of transmission through the r8E1 RTU 8E1 RS 485 interface r801 x RTU 801 r8n1 RTU8N1 Addr Device address 1 247 Write of manufacturer settings The setting of the value YES causes Parameter values set by the manu the saving of standard parameters in acturer are presented in the table 2 the meter ntroduction of a new password 0 60000 0 00 23 59 The introduction of an erroneous time causes at the acceptation the setting 23 however the introduction of errone ous minutes will cause the setting of the value 59 Setting of the current time U RMS voltage 1 RMS current P active power reactive power S apparent power PF active power factor ratio of reactive power to active Selection of measured value for which the unit is highlighted FI FrEq frequency 8 active energy input EPnEG active energy output reactive energy input EqnEG reactive energy output PAv 15 minutes mean active power UAv 10 minutes mean voltage FAv 10 seconds mean frequency EnP Reset of active watt hour meters choice YES causes the reset Of active watt hour meters 22 The choice YES causes the reset of C Enq Reset of reactive watt hour meters reactive wattchoub meters he choice YES causes the beginning Synchronization of 15 minutes mean PAv of 15 minutes
19. DIGITAL PANEL METER N30P TYPE USER S MANUAL Contents ON OO FWD APPLICATION and METER DESIGN eee 5 METER SET esses 6 BASIC REQUIREMENTS OPERATIONAL SAFETY 7 INSTALLATION 8 11 5 485 INTERFACE 26 ERROR 5 TECHNICAL DATA ORDER CODES i MAINTENANCE AND GUARANTEE eene 51 1 APPLICATION AND METER DESIGN The N30P meter is a programmable digital panel meter destined for the measurement of a c voltage a c current active reactive and apparent power COS tg 9 frequency active reactive and apparent energy 15 minutes active power 10 minutes voltage 10 seconds frequency Additionally the meter enables the indication of the current time The readout field is composed of a display which allows to expose results in red green and orange colours Features of the N30P meter display colour individually in three ranges thresholds of displayed overflows 2 NCC relay alarms operating in 6 modes 2 switched relay alarms operating in 6 modes option signalin
20. N30P 07
21. and written 28 6 4 Registers for Write and Readout Values placed In 16 bit registers Write w Readout r Table 5 Description Input type RMS voltage RMS current Active power Reactive power Apparent power Active power factor Ratio of reactive active power Phase shift co o oOo 0 nm Frequency nput of active energy Output of active energy nput of reactive energy Output of reactive energy 15 minutes mean active power 10 minutes mean voltage 10 secondes mean frequency Current time Synchronization with the voltage measurement of all values Synchronization with the current only current and frequency Voltage input range Range 100 V Range 400 V Range 1 A Range 5 4004 tu wir 1 40000 Voltage ratio 0 1 4005 trl wir 1 10000 Current ratio 4006 PAv S wir 0 1 15 minutes power synchronization Measurement every quarter synchronized with the clock Walking window Reserved 4009 fwr 0 10 Minimal decimal point 4010 0 0000 00 000 000 00 0000 0 00000 000 00 0000 0 00000 000 00 ijo 0000 0 M 00000 our when the displayed value is less than in the register 7600
22. arm signaling This ope ration acts only when the support function is switched on The pressure of the button combination CX causes the erasing of all minimal values The pressure of the button combination 2 causes the erasing of all maximal values The pressure and holding down the button ca 3 seconds causes the entry to the programming matrix The programming matrix is protected by the safety code The pressure and holding down the button 3 seconds causes the entry to the menu monitoring meter parameters One must move through the monitoring menu by means of d 45 buttons In this menu all programmable meter parameters are only accessible for readout excepting service parameters The exit for 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 7 The pressure and holding down and C A buttons ca 3 se causes the entry to the menu monitoring measured values One must move through the monitoring menu by means of lt C lt and 724 buttons The pressure of the button causes the display of successive symbol of measured value alternately with the value The pressure of the X button causes the display of minimal value of the currently 13 BIINAS JOEN jo 7
23. bed in the chapter 7 will be dis played on the display 11 5 3 Functions of buttons Acceptation button y entry in programming mode hold down ca 3 secondes przytrzymanie przez 3 moving through the menu choice of level moving through the menu monitoring the measured values entry in the mode changing the parameter value acceptation of the changed parameter value Button increasing the value y 411 display of maximal value display of maximal value menu monitoring the measured parameters entry in the level of the parameter group moving through the chosen level change of the chosen parameter value increasing the value C lt Button to change the digit y display of minimal value display of minimal value menu monitoring the measured parameters entry in the level of parameter group moving through the chosen level change of chosen parameter value shift on the next digit next parameter in the monitoring mode of meter parameters resignation button entry in the menu monitoring the meter parameters holding down Ca 3 seconds 12 exit from the menu monitoring meter parameters and measured values resignation of the parameter change absolute exit from the programming mode The pressure of the button combination and holding down them ca 3 seconds causes the reset of al
24. e 7204 7602 ovrLo w r 19999M 99999M Lower threshold of the display narrowing 7206 7603 ovrHI 19999M 99999M Upper threshold of the display narrowing 40 7208 7604 1 19999M 99999M Lower threshold of alarm 1 7210 7605 1 w r 19999M 99999M Upper threshold of alarm 1 Aon 7212 7606 2 19999M 99999M Lower threshold of alarm 2 7214 7607 2 w r 19999M 99999M Upper threshold of alarm 2 Aon 7216 7608 PrL 3 w r 19999M 99999M Lower threshold of alarm 3 Aoff 7218 7609 3 w r 19999M 99999M Upper threshold of alarm 3 Aon 7220 7610 PrL 4 19999M 99999M Lower threshold of alarm 4 Aoff 7222 7611 4 19999M 99999M Upper threshold of alarm 4 Aon 7224 7612 An Lo 19999M 99999M Lower threshold of analog output 7226 7613 An w r 19999M 99999M Upper threshold of analog output 6 5 Registers only for Readout p o S 3 um qu 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 Status Control Minimum write w readout r Table 7 Name of the quantity Constant iden
25. e power S apparent power PF factor of active power tG ratio of reactive power to the active power FI phase shift Choice of the displayed quantity FrEq frequency active energy input EPneg active energy output reactive energy input Eqneg reactive energy output PAv 15 minutes mean active power UAv 10 minutes mean voltage FAv 10 seconds mean frequency HoUr current time U synchronization with voltage measurement of all values Type of input synchronization synchronization with current only measurement of current and frequency Choice of voltage range 1000 range 100 4000 range 400 V Choice of current range range 5 A Choice of voltage ratio 1 4000 0 Choice of current ratio 1 10000 CntS walking window qUArt measurement every quarter of an hour synchronized with the clock PAv S Synchronization of 15 minutes power 18 CoLdo Minimal position of the decimal point when displaying the measured value Display colour when the displayed value is less than CoLLo Display colour when the displayed value is higher than CoLLo and less than CoLHI Display colour when the displayed value is higher than CoLHI 0 0000 00 000 000 00 0000 0 00000 k 000 00 k 0000 0 k 00000 M 000 00 M 0000 0 M 00000 rEd red GrEEn green orAnG yellow DON DOA F amp F WH o Lower threshold of display
26. element switching the meter off 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 he meter has separable strips with screw terminals which enable the connection of external wires of 2 5 mm cross section In execution for current measurement the plug enables a permanent fixing to the so by means of screws The meter is adapted to be mounted in a panel by means of clamps acc to the fig 2 One must prepare a hole of 92 0 6 x 45 0 6 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 E E 1 2 4 ka tedddc CXJ tj 67 max 93 Fig 3 Overall dimensions 4 1 Connection Diagrams Additional output signals option RS 485 G gt 0 4 20mA AL4 zs B A 0 10
27. g of measuring range overflow automatic setting of the decimal point programming of voltage and current ratios programming of alarm and analog outputs with the reaction on any measured value independently of the currently displayed value storage of maximal and minimal values of all input quantities e reset of all watt hour meters active and reactive energy programmed kind of 15 minutes active power measurement mean walking or synchronization with the RTC clock manual synchronization of 15 minutes power 10 minutes voltage monitoring of set parameter values interlocking of parameter introduction by means of a password Service of the interface with MODBUS protocol in the RTU mode option conversion of the measured value into a standard programmable current or voltage signal option e highlighting of any measuring unit acc to the order e galvanic separation between terminals alarm supply input analog pulse output RS 485 interface The switching of the alarm output on is signaled by the highlighting of the output number The casing protection grade from the frontal side is IP 65 Meter overall dimensions 96 x 48 x 93 mm with terminals The meter casing is made of plastics p Fig 1 View of the digital meter 2 METER SET The set is composed of 1 Users MANUAL gliosis ona 1 pc Guarantee
28. mpatybility noise immunity acc to EN 61000 6 2 noise emissions acc to EN 61000 6 4 Safety Requirements acc to EN 61010 1 standard e isolation between circuits basic e installation category e pollution level 2 e maximal earth to phase voltage 600 V e altitude above sea level 2000 m Preheating Time 15 minutes 48 9 ORDER CODES Table 9 DIGITAL PANEL METER N30P Ex x xx x Supply 85 208 V s Od cesset scc 1 2 Additional outputs lack M pulse output RS485 analog outputs 1 pulse output RS485 analog outputs Switched over relay outputs 2 Unit unit code number to the tab 10 Version Standard re toe eet e aee ee 00 o SEPTEM XX Language i We P English osea cute cretion eR aU eU ne ene creas LM E other Acceptance tests without extra Quality reduiremeite uus cett RR x retorno e o 0 with an extra quality inspection certificate acc to c stomer s D ee e ERE e eed X after agreeing with the manufacturer Order example The code N30P 1 0 01 00 means N30P programmable panel digital meter 1 supply 85 253 V a c 0 lack of additional outp
29. n of a higher quantity of devices it is necessary to apply additional intermediate separating systems The leading of the interface line out is given in the meter user s manual To obtain a correct transmission it is necessary to connect lines A and B with their equivalent in other devices The connection must be made through a shielded wire The shield must be connected to the protection terminal in a single point The GND line serves to the additional protection of the interface line at long connections One must connect it to the pro maximally 1200 m TX Computer PC meter B 9 31 A N30P meter B B D N30P meter A Fig 10 Connection way of the RS 485 interface 26 tection terminal it is not necessary for a correct interface work To obtain the connection with a computer of IBM PC class a RS 485 card or a RS 232 RS 485 converter is indispensable The connection way of devices is shown on the fig 10 The designation of transmission lines for the card in the PC komputer 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 link parameters of meters in MODBUS protocol e meter address 1 247 e baud rate 4800 9600 19200 38400 bit s e work modes RTU e information unit 8N2 8E1 801 8N1
30. r ratio tG_max laximal value of reactive active power ratio Fl_min inimal value of phase shift max phase shift min inimal frequency FrEq_max requency min inimal 5 minutes mean active p PAv_max 5 minutes mean active p UAv min inima O minutes mean voltage max O minutes mean voltage min inimal val O seconds mean frequency max val O seconds mean frequency 100MWh Active energy input the counter of turning the register 7550 is reset every 9999999 9 kWh Active energy in modulo 100000 100MWh Active energy output the counter of turning the register 7552 is reset every 9999999 9 kWh Active energy output modulo 100000 0 43 100Mvarh Reactive energy input the counter of turning the register 7554 is reset every 9999999 9 kVarh Reactive energy input modulo 100000 0 100Mvarh Reactive energy output turning counter of the register 7556 is reset every 9999999 9 kVarh Reactive energy output modulo 100000 0 7 ERROR CODES After switching the meter to the network messages about errors can appear Reasons about errors are presented below The appearance of below mentionned symbols on digital displays means ErCAL EroUt Er EE 44 Overflow of upper value of programmed indication range Overflow
31. synchronization Erasing of minimum and maximum Lack of operation Lack of operation Erasing of minimum and maximum Status register description below Jamod eAnoe G jo sejnuiu oL o S gt Y 2 5 o o 5 5 9 w gt n spuooes Q 10 Boyeuy 0 65536 senjeA ABjeue Jo 10413 sJejeure ed Jo 1043 StAt peieqijeo uoN eui jo 4044 r Description of the Status Register 0 LSB 1 XX bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 MSB 38 Bit 15 Damage of the non volatile memory 0 memory operating correctly 1 signaling of damaged memory Bit 14 Non calibrated meter 0 measuring inputs of the meter are calibrated 1 signaling of lack of meter input calibration Bit 13 Value error of meter parameters 0 meter parameters are correct 1 readout signaling of wrong meter parameters Bit 12 Error of energy values 0 correct energies 1 readout signaling of incorrect meter energy values Bit 11 bit 10 Analog output Meaning voltage output 0 10 V current output 0 20 mA current output 4 20 mA lack of calibration of analog output Bit
32. t by means of the and A buttons Parameter symbols are displayed alternately with their current values In order to change values one must use the button To resign fo the parameter change one must press the button In order to exit from the chosen level one must chose the symbol and press the buton or press the button Es To exit from the program ming matrix one must press several times the button till the appearance of the inscription End and after ca 3 seconds the meter enters automatically in the measurement of the input quantity Value Change Way of the Chosen Parameter Change of Integral Values In order to increase the value of the chosen parameter one must press the buton The single pressure of the button causes the increase of the value of 1 The holding down of the 25 button 15 ay ul uonisueJ 9 Jamod 0110 G jo n Pu Seine 8 UAS ayy UAS ay yesay 9 p d Jo eM 0295 2 AWd 2 2 dua 2 216 125 136 uols
33. the alarm state retreat the signal ing diode is not put out It signals LEd 1 the alarm state till the moment of its LEd 2 extinction by means of the support switched LEd 3 button combination oFF support switched off LEd 4 The function concerns only and ex clusively the alarm signaling that is the relay contacts will operate without support in compliance with the cho sen alarm type U RMS voltage 1 RMS current P active power reactive power S apparent power PF active power factor ratio of reactive power to active power P An Kind of input value type which the FI phase shift analog output has to react on FrEq frequency EPPoS active energy input EPnEG active energy output 5 reactive energy input EqnEG reactive energy output PAv 15 minutes mean active power UAv 10 minutes mean voltage FAv 10 seconds mean frequency Lower threshold of the analog output An Lo One must give the value for which 19999M 99999M we want to obtain 0 on the analog output Upper threshold of the analog output obtain the maximal signalon 19999 99999M the analog output 20 mA or 10V 0_10U voltage 0 10 V tYPA Type of the analog output 0_20A current 0 20 mA 4 20A current 4 20 mA 21 4800 4800 bit s bAUd Baud rate of the RS 485 interface 9600 9600 bit s ransmission 192
34. tifying the device 179 0xB3 N30P Status is register describing the current state of the meter the same value as in register 4044 It is a register defining the control of the analog output Minimal value of the currently displayed value 41 7008 7504 Maksimum r Maximal value of the currently displayed value Displayed x 7010 7505 Value BEN Currently displayed value 7012 7506 Reserved 7014 7507 Reserved 7016 7508 Reserved 7018 7509 RMS voltage 7020 RMS current 7022 U Active power 7024 7026 Reactive power Apparent power 7028 Active power factor 7030 Ratio of reactive active power 7032 Phase shift NIN o 7034 FrEq Frequency 7036 Reserved 7038 Reserved 7040 Reserved 7042 PAv 15 minutes mean power 7044 UAv 10 minutes mean voltage 7046 10 seconds mean frequency 7048 HoUr Current time 7050 min Minimal value of RMS voltage 7052 0 max Maximal RMS voltage 7054 min Minimal RMS current 7056 max Maximal RMS current 7058 P_min Minimal vi of active power 7060 max Maximal v of active power 7062 Q min Minimal v of reactive power reactive power 42 S min inimal value of apparent power S max value of apparent power min inimal value of active power factor PF max value of active power factor tG_min inimal value of reactive active powe
35. uts 01 unit V acc to the table 10 00 standard version E English language 0 without extra quality requirements 49 Code of the highlighted unit Unit Tablica 10 lack of unit V A mA kA W kW w turns pcs imp rsp m s l s turn min rpm mm min m min l min m3 min pcs h km h m3 h kg h 1 After agreeing with the manufacturer 50 on order 10 MAINTENANCE AND GUARANTEE The 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 meter has been used in compliance with the instructions the Manufacturer warrants to repair it free of charge 2 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 51
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