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User’s Manual 7M

DATA TYPES DECODING

Registers defined in the Modbus database will define data as one of the data types described in the following table:

TYPE

VALUE / BIT MASK

DESCRIPTION

Unsigned Value (16 bit)

Example: 12345 stored as 12345 = 3039

(16)

Signed Value (16 bit)

Example: -12345 stored as -12345 = CFC7

(16)

Signed Long Value (32 bit)

Example: 123456789 stored as 123456789 = 075B CD 15

(16)

bits # 15..14

bits # 13..00

Short Unsigned float (16 bit)

Decade Exponent(Unsigned 2 bit)

Binary Unsigned Value (14 bit)

Example: 10000*10

stored as A710

(16)

bits # 31..24

bits # 23..00

Unsigned Measurement (32 bit)

Decade Exponent(Signed 8 bit)

Binary Unsigned Value (24 bit)

Example: 123456*10

–3

stored as FD01 E240

(16)

bits # 31..24

bits # 23..00

Signed Measurement (32 bit)

Decade Exponent (Signed 8 bit)

Binary Signed value (24 bit)

Example: - 123456*10

–3

stored as FDFE 1DC0

(16)

bits # 31..24

bits # 23..16

bits # 15..00

Power Factor (32 bit)

Sign: Import/Export (00/FF)

Sign: Inductive/Capacitive (00/FF)

Unsigned Value (16 bit), 4 decimal places

Example: 0.9876 CAP stored as 00FF 2694

(16)

bits # 31..24

bits # 23..16

bits # 15..08

bits # 07..00

Time stamp (32 bit)

Minutes 00 - 59 (BCD)

Hours 00 - 23 (BCD)

Day of month 01 - 31 (BCD)

Month of year 01 - 12 (BCD)

Example: 15:42, 1. SEP stored as 4215 0109

(16)

bits # 31..24

bits # 23..16

bits # 15..08

bits # 07..00

Time (32 bit)

1/100s 00 - 99 (BCD)

Seconds 00 - 59 (BCD)

Minutes 00 - 59 (BCD)

Hours 00 - 24 (BCD)

Example: 15:42:03.75 stored as 7503 4215

(16)

T10

bits # 31..24

bits # 23..16

bits # 15..00

Date (32 bit)

Day of month 01 - 31 (BCD)

Month of year 01 - 12 (BCD)

Year (unsigned integer) 1998..4095

Example: 10, SEP 2000 stored as 1009 07D0

(16)

T_Str4

(T11)

Text String 4 characters

Two characters per 16 bit register

T_Str6

(T12)

Text String 6 characters

Two charcters per 16 bit register

T_Str8

Text String 8 characters

Two characters per 16 bit register.

T_Str16

Text String 16 characters

Two characters per 16 bit register.

T_Str20

Text String 20 characters

Two characters per 16 bit register.

T16

Unsigned Value (16 bit), 2 decimal places

Example: 123.45 stored as 123.45 = 3039

(16)

T17

Signed Value (16 bit), 2 decimal places

Example: -123.45 stored as -123.45 = CFC7

(16)

Содержание 7M.38.8.400.0112

Страница 1: ...USER S MANUAL 7M SERIES OF THREE PHASE METERS 7M 38 8 400 XXXX 7M 38 8 400 0112 7M 38 8 400 0212 7M 38 8 400 0312...

Страница 2: ...User s Manual 7M 1 THREE PHASE ELECTRICAL ENERGY METER USER AND INSTALLATION MANUAL...

Страница 3: ...use of three phase energy meter 7M 38 8 400 xxxx Installation and use of a device also includes handling with dangerous currents and voltages therefore should be installed operated serviced and maint...

Страница 4: ...3L Three phase 3 wire 2 system connection 3L 2I Aron connection Single phase connection L N WARNING Indicates situations where careful reading of this manual is required and following requested steps...

Страница 5: ...rdous substances in electrical and electronic equipment SYMBOL EXPLANATION Modbus communication MBus communication Compliance of the product with directive 2002 96 EC as first priority the prevention...

Страница 6: ...ge 14 KEYBOARD NAVIGATION page 14 LCD USER INTERFACE page 14 CALIBRATION AND SETTING PARAMETERS page 27 FREEZE COUNTERS page 27 TECHNICAL DATA page 29 ACCURACY page 29 MECHANICAL CHARACTERISTICS OF IN...

Страница 7: ...networks according to the principle of fast sampling of voltage and current signals A built in microprocessor calculates active reactive apparent power and energy current voltage frequency power fact...

Страница 8: ...site has to be used to perform such operations MAIN FEATURES Three phase direct connected DIN rail mounting meters up to maximum current 80 A Imax MID approval Class 1 for active energy according to E...

Страница 9: ...400 0212 7M 38 8 400 0312 MID approval Pulse output S01 Pulse output S02 Tariff input 70 C display Infrared optical communication IR MODBUS comm Protocol RS485 General software features 7M 38 8 400 01...

Страница 10: ...S p A does not take any responsibility regarding the use and connection If any doubt occurs regarding connection and use in the system which device is intended for please contact a person who is resp...

Страница 11: ...are not available After electrical installation for MID approved meters the installation should be also set and confirmed in software Until installation confirmation warning Installation not set is d...

Страница 12: ...User s Manual 7M 11 Figure 3 Three phase 4 wire connection diagram 3L N Figure 4 Three phase 3 wire 3 system connection diagram 3L Figure 5 Three phase 3 wire 2 system connection diagram 3L 2I...

Страница 13: ...Single phase connection diagram L N Figure 7 Connection diagram of S0 output impulse counter impulse counter or controller and tariff clock Figure 8 Connection diagram of S0 output impulse counter RS...

Страница 14: ...module is galvanic isolated from meter main circuit It enables setting the meter data readout in the network and tariff setting NFC option enables an easy setting and downloading meter data via mobile...

Страница 15: ...days hours minutes After the electrical connection the display shows an info screen picture on top for two seconds The following is holding page default setting of last observed measurement on the scr...

Страница 16: ...parameterised by the user regarding type of energy active quadrants direction of counting and tariff and they can also be resetted using MODBUS command or cap touch On the LCD up to two energy counte...

Страница 17: ...to 1 8 6 A I 1 to A I 6 All energy types tariff 1 to 6 x x 1 to x x 6 x x 1 to x x 6 All energy types mixed tariffs example tariff 1 and tariff 2 x x 9 x x Active energy Q2 Q3 all tariffs 2 8 0 A E 0...

Страница 18: ...to shift between sub menus DISPLAY OF DEVICE MEASUREMENTS Short touch Measurements the sub menu is entered ESC Present values Limits Long touch ESC to return to the main menu Long touch Present values...

Страница 19: ...average values of phase to phase voltage CURRENT Long touch Current to observe the phase current and average current POWER Long touch Power to observe the power active reactive apparent phase power ac...

Страница 20: ...settable energy counter Non MID meters can be reset while the non resettable the symbol of lock representing it has been measuring the quantity continuously The resettable energy counters enable to se...

Страница 21: ...measurements of phase three and custom measurements OVERVIEW Long touch Overview to observe the custom screens LIMITS Long touch Limits to observe the limits set in settings see chapter 4 Settings Lim...

Страница 22: ...trument info abbreviations SN serial number MID Version and CRC of Part 2 U upgrade counter FUN Version and CRC of Part 2 L unlock counter HW Hardware version m CRC of phase measuring modules high low...

Страница 23: ...below Short touch to chose the requested language then long touch ESC to confirm it DATE AND TIME Long touch Date and time the sub menu is entered ESC Date Time Automatic S W time Long touch ESC to re...

Страница 24: ...C to return to the settings menu DEVICE ADRREESS Long touch Device address to set the address number Non configured devices have the same factory Modbus address set to 33 Short touch to move between t...

Страница 25: ...ted value to save the settings Long touch Backlight to change the screen brightness from 0 to 10 Long touch the selected value to save the settings Long touch Backlight time off to set the period of t...

Страница 26: ...to set the tariff Tariff input tariff 1 2 3 4 5 6 Long touch the selection Tariff management is possible for 16 NON MID counters As default management of 2 tariffs is possible using tariff input In c...

Страница 27: ...aluation of the sum of phases 3L N L N Arithmetic Evaluation of individual phases 3L 2I Vector Evaluation of the sum of phases Evaluation of individulal phases means that in case of opposite energy fl...

Страница 28: ...n last more than 10 minutes That is why 7M 38 8 400 xxxx supports command Freeze counters Its purpose is to freeze data simultaneously on all devices in the network The freeze function operation is al...

Страница 29: ...ifferent identification codes in a short time interval For example send the different identification codes ten times within one second Use numbers from 1 to FFFD 1 65533 For example first use value 1...

Страница 30: ...e TECHNICAL DATA In following chapter all technical data regarding operation of a three phase electrical energy meter is presented ACCURACY MECHANICAL CHARACTERISTICS OF INPUT ELECTRICAL CHARACTERISTI...

Страница 31: ...B PULSE OUTPUT S02 Type Programmable Rated voltage DC max 27 V Switched current max 27 mA M BUS SERIAL COMMUNICATION OPTION Type M BUS Speed 300 bit s to 9600 bit s default 2400 bit s Protocol M BUS...

Страница 32: ...on condensig humudity STORAGE TEMPERATURE 40 C 85 C ENCLOSURE self extinguish complying UL94 V INDOOR METER Yes DEGREE OF POLLUTION 2 PROTECTION CLASS II INSTALLATION CATEGORY 300 Vrms cat III STANDAR...

Страница 33: ...ETTABLE ACTIVE ENERGY COUNTERS EU DIRECTIVE ON MEASURING INSTRUMENTS 2014 32 EU EU DIRECTIVE ON EMC 2014 30 EU EU DIRECTIVE ON LOW VOLTAGE 2014 35 EU EU DIRECTIVE WEEE 2002 96 EC EU RED DIRECTIVE 2014...

Страница 34: ...are for FINDER S p A instruments ETHERNET IEEE 802 3 data layer protocol AC Alternating quantity PI Pulse input module IR Infrared optical communication RMS Root Mean Square TRMS True Root Mean Square...

Страница 35: ...turnsareplaytothemasteraftertherequest is received and processed A MODBUS transaction consists of two messages Each slave should have an unique address Broadcastmode wherethemastersendsarequesttoallsl...

Страница 36: ...MEASUREMENTS The tables below represent the complete set of MODBUS register map Register refresh frequency for actual measurement from register 30105 to register 30190 is one second Register refresh f...

Страница 37: ...1 30031 I O 3 T1 See I O 1 30032 I O 4 T1 See I O 1 30044 Status register T1 Bit 0 Locked Bit 1 Wrong connection Bit 2 Low battery Bit 3 Low supply Bit 4 Clock not set 30055 30057 Ethernet MAC Addres...

Страница 38: ...ked 30077 30078 Calibration Time Stamp T_unix 30079 MID unlock counter T1 30080 FW upgrade counter T1 30081 Software Checksum HI T1 30082 Measurement module CheckSum HI T1 30083 phase module 1 CheckSu...

Страница 39: ...2 T5 30130 30131 I3 T5 30132 30133 INc T5 30134 30135 Inm reserved T5 30136 30137 Iavg T5 30138 30139 S I T5 30140 30141 Active Power Total Pt T6 30142 30143 Active Power Phase L1 P1 T6 30144 30145 Ac...

Страница 40: ...Alarm Status Flags G3 G4 T1 Bit 0 4 Group 3 Limit 1 4 30193 30194 30195 30196 I O 1 Value I O 2 Value I O 3 Value I O 4 Value T17 T17 T17 T17 30197 External relay status T1 0 Off 1 On 250 Comm Error...

Страница 41: ...ot set 30401 Energy Counter n1 Exponent T2 30402 Energy Counter n2 Exponent T2 30403 Energy Counter n3 Exponent T2 30404 Energy Counter n4 Exponent T2 30405 Current Active Tariff T1 30406 30407 Energy...

Страница 42: ...er 16 Exponent T2 30462 30463 1000 x Energy Counter n1 T3 30464 30465 1000 x Energy Counter n2 T3 30466 30467 1000 x Energy Counter n3 T3 30468 30469 1000 x Energy Counter n4 T3 30470 30471 1000 x Ene...

Страница 43: ...T_float 32524 32525 I neutral calculated T_float 32526 32527 I neutral measured T_float 32528 32529 Iavg T_float 32530 32531 Active Power Phase L1 P1 T_float 32532 32533 Active Power Phase L2 P2 T_fl...

Страница 44: ...y Counter n2 T_float 32756 32757 Energy Counter n3 T_float 32758 32759 Energy Counter n4 T_float 32760 32761 Energy Counter 1 T_float 32762 32763 Energy Counter 2 T_float 32764 32765 Energy Counter 3...

Страница 45: ...gle between U3 and U1 T17 35518 35519 U12 T5 35520 35521 U23 T5 35522 35523 U31 T5 35524 35525 Uavg phase to phase T5 35526 35527 I1 T5 35528 35529 I2 T5 35530 35531 I3 T5 35530 35531 35536 35537 Iavg...

Страница 46: ...ved Inc T5 35634 35635 Reserved Inm T5 35636 35637 Iavg T5 35638 35639 S I T5 35640 35641 Active Power Total Pt T6 35642 35643 Active Power Phase L1 P1 T6 35644 35645 Active Power Phase L2 P2 T6 35646...

Страница 47: ...35719 U12 T5 35720 35721 U23 T5 35722 35723 U31 T5 35724 35725 Uavg phase to phase T5 35726 35727 I1 T5 35728 35729 I2 T5 35730 35731 I3 T5 35736 35737 Iavg T5 35738 35739 S I T5 35740 35741 Active Po...

Страница 48: ...r table newest to oldest T17 Normalised values SETTINGS SYSTEM COMMANDS 40001 40002 User Password L1 L2 T_Str4 A Z Password to attempt user access level upgrade 0 40003 40005 Factory Password FAC T_St...

Страница 49: ...40144 CT Secundary T4 mA 2 40145 CT Primary T4 A 10 2 40146 VT Secundary T4 mV 2 40147 VT Primary T4 V 10 2 40148 Current input range T16 10000 for 100 5 00 260 00 2 40149 Voltage input range T16 100...

Страница 50: ...LCD scroll parameters 3 Bit 0 Active Power Total Pt 0 65535 2 Bit 1 Active Power P1 P3 P12 Bit 2 Reactive Power Total Qt Bit 3 Reactive Power Q1 Q3 Q12 Bit 4 Apparent Power Total St Bit 5 Apparent Po...

Страница 51: ...password T_Str16 2 40242 40249 WIFI SSID T_Str16 2 40250 Bluetooth ON OFF T1 0 Off 2 1 On IR 40251 res for Port 2 Device Adress DNP3 T1 0 65519 2 40252 Port 2 Device Adress Modbus T1 1 247 2 40253 Por...

Страница 52: ...e pover Phase 1 7 Apparent Power Phase 1 9 Active Power Phase 2 10 Reactive pover Phase 2 11 Apparent Power Phase 2 13 Active Power Phase 3 14 Reactive pover Phase 3 15 Apparent Power Phase 3 33 Activ...

Страница 53: ...COUNTERS 40437 Energy Counter 1 Parameter T1 see Energy Counter n1 Parameter 0 95 2 40438 Energy Counter 1 Configuration T1 see Energy Counter n1 Configuration 0 63 2 40439 Energy Counter 1 Exponent T...

Страница 54: ...T2 see Energy Counter n1 Exponent 3 6 2 40464 Energy Counter 7 Tarif Selector T1 see Energy Counter n1 Tarif Selector 0 63 2 40465 Energy Counter 8 Parameter T1 see Energy Counter n1 Parameter 0 95 2...

Страница 55: ...Capacitive 00 FF Unsigned Value 16 bit 4 decimal places Example 0 9876 CAP stored as 00FF 2694 16 T8 bits 31 24 bits 23 16 bits 15 08 bits 07 00 Time stamp 32 bit Minutes 00 59 BCD Hours 00 23 BCD Da...

Страница 56: ...ed Hours 0 23 Invalid 0 1 Invalid 1 Valid 0 Reserved Minutes 0 59 Miliseconds 0 59999 Example 15 42 1 SEP stored as 4215 0109 16 T_Data Record Data Size and SubTypes depends on the Actual Memory Part...

Страница 57: ...ot been received correctly no Data will be transmitted by the M BUS 7M 38 8 400 XXXX TheRead outDataaresentwithin35ms 75msfromreceiptoftheShortTelegrambytheM BUSMeter fommoreinfomations see section M...

Страница 58: ...TOTAL KVAR Reactive power total in 32bit x10 2 3 var INSTANT APPARENT POWER TOTAL VA Apparent power total in 32 bit x 10 5 6 VA POWER FACTOR LEADING ET LAGGING PF Power factor as 32 bit integer 10 3...

Страница 59: ...9 12 A VOLTAGES V Voltage as 32 bit x 10 7 9 V DIF DIFE VIF VIFE VIFE DATA 04 FD 59 xx xx xx xx DIF DIFE DIFE VIF VIFE VIFE VIFE DATA 04 FB 2C xx xx xx xx DIF DIFE DIFE VIF VIFE VIFE DATA 04 xx xx xx...

Страница 60: ...number 0 n N 6 x y Phase number 1 2 or 3 7 in Current sample n 8 Ufn Phase voltage sample n 9 Uffn Phase to phase voltage sample n 10 f Power angle between current and phase voltage f 1 2 or 3 VOLTAGE...

Страница 61: ...ent power St apparent power by phases Reactive power by phases Sf apparent power by phases Pf active power by phases Reactive power by phases displacement method N a number of samples in a period n sa...

Страница 62: ...Fax 7 495 229 finder ru finde FIND Eiguli Vilniu Lithua Tel 3 finde FINDER INDIA Unit No 912 R G Netaji Subhash Pl Wazirpur District Pitampura Delhi Tel 91 11 47564 Fax 91 11 47564 finder in findern...

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