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OP_MFM384-MFM384-C_OP278-V01A_web

1. Modbus parameter selec MODBUS register addresses list continued Readable writable parameters from MFM384 Readable writable parameters trom MEMBA EE REES LT 43 Length S MIN Value 1 MIN Value 1 1 First Page 17 Last Page 1 First Page 17 Last Page 1 First Page 17 Last Page MAX Value 30 c Data Structure 44 User Guide selec Description of Parameter amp Symbols 1 VOLTAGE True RMS value of three phase voltage three line to line voltages and their average values are measured and displayed on MFM384 2 CURRENT True RMS value of three phase currents and their average are measured and displayed in MFM384 There is also Bar graph presentation for current in percentage form 3 POWER FACTOR Individual and average power factor displayed on MFM384 4 ACTIVE POWER P Three phase active power and system total active power are measured and displayed on MFM384 5 REACTIVE POWER G Three phase reactive power and total reactive power of the system are measured and displayed on MFM384 6 APPARENT POWER S Three phase apparent power and total apparent power of the system are measured and displayed on MFM384 7 FREQUENCY The frequency of available voltage input is measured as system freguency 8 ENERGY kWh kVArh kVAh Total Active Reactive and Apparent energy of the system is measured and displayed on MFM 384 9 PULSE O P DC pulse output is generated
2. EF in MFM384 the page no of this page will be displayed as 10 Maximum Auto Page Default Setting 17 Range 1 to 17 n xx DAI FUN ME O Iii Note User can select maximum number of pages being displayed on the unit in auto mode For MFM384 Default Setting 14 Range 1 to 14 WI E rrr n EI EF in MFM384 the page no of this page will be displayed as 11 28 Configuration SE lec Configuration Change Page Sequence Default Setting No Range No Yes bm ew CC Note User can change page seguence by selecting Yes If option selected is No the configuration will move to factory default page In MFM384 the page no of this page will be displayed as12 i ITR a ju Later rare Page Sequence Note Page sequence depends on maximum page selection User will be prompted to change page sequence depending upon maximum page selection defined In MFM384 the page no of this page will be displayed as 12 01 Factory Default Default Setting No Range No Yes Note If Yes selected unit will be formatted to factory default settings User should note all previous settings before formatting the unit in MFM384 the page no of this page will be displayed as 13 29 Configuration selec Configuration Reset Default Setting No Range No Yes Note For resettin
3. o o N O o A ARENT ral Ete MFM394 Bargraph K ni 13 Display parameters such as voltage Current Power factor Power amp Frequency SE current in bargraph e on lt ver gek K 4 lines of seven segment digits mx ri Ki m PF in metering area Za 11 11 LU mr LLD Lt A T LO LO ty mid co Unit V A PF Hz kW KVAr kVA Indicates unit of parameter displayed Voltage V kV Current A Active Power kW MW Reactive power kVAr MVAr Apparent power kVA MVA Frequency Hz Active energy kWh MWh Reactive energy KVArh MVArh Apparent energy KVAh MVAh Demand DMD Integration of energy Energy accumulation indication Keypad keypad with six dual function keys HMI or Programming Energy 8 dedicated digits for energy Active Reactive amp Apparent Backlight Backlight LCD display ON OFF time programable auto ON on key press Phase 1 2 3 1 2 2 3 3 1 Display phase to neutral or phase to phase values Demand Maximum amp Minimum demand of power 03 Introduction selec Technical Overview Functional Descriptions GE Wm dg Display Liguid crystal display with backlight 4 lines 4 digits per line to show electrical parameters 5th line 8 digits to show energy Bar graph for current indication LCD Indications gt OD Integration of energy PRG Unit is in configuration menu gt This symbol indicates communication is in progress gt DM
4. 12 13 amp average current lave v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy KWh kVArh kVAh based on user selection Note In 3 3 wire system L L current amp average L L current I 1 2 2 3 1 3 1 Iwa will be displayed 16 selec Online Page Description EI v n t Dal au NAN ICICICI JCI L i a L 5 Da DI a fe LE n LL LL LL ju me bn v mn pu a C DI co coll a g LT ju mie bn LEUR par Date m n m n COOC a L V St ma ees Press VAF W button the first screen shows v Voltage L N Current Power factor of first phase V1 11 PF1 amp Frequency Hz v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection Press VAF w button the second screen shows v Voltage L N Current Power factor of second phase V2 12 PF2 amp Frequency Hz v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh KVAh based on user selection Press VAF W button the third screen shows v Voltage L N Current Power factor of third phase V3 13 PF3 amp Frequency Hz
5. Before disconnecting the secondary of the external current transformer from the equipment make sure that the current transformer is short circuited to avoid risk of electrical shock and injury A CAUTION 1 The equipment shall not be installed in environmental conditions other than those mentioned in this manual 2 The equipment does not have a built in type fuse Installation of external fuse of rating 275V AC 0 5Amp for electrical circuitry is highly recommended Introduction SE lec Mechanical Installation For installing the controller 1 Prepare the panel cutout with proper dimensions as shown Tolerance of cutout 0 5mm 1 F 9 ne 50 91 5 gt gt NT ca 5 Side view Panel Cutout NO Push the meter into the panel cutout Secure the meter in its place by pushing the clamp on the rear side The screws of the pane of the clamp must be in the farthest forward slot For proper sealing tighten the screws evenly with reguired torgue Recommended conductor cross section 1 5mm Terminal screw tightening torque 0 5 N m Screw clamp tightening torque 0 1N m FF OW A CAUTION The equipment in its installed state must not come in close proximity to any heating sources caustic vapors oils steam or other unwanted process by products EMC Guidelines EMC Guidelines 1 Use proper input power cables with shortest connections and twisted type 2 Layout of connecting cables shall
6. Power KVA KVA KVA and Total KVA kVA Resolution Table PT Ratio x CT Ratio lt 15000 0 01M 0 01M 1 For voltage Current Power resolution is automatically adjusted 2 For power factor resolution is 0 001 3 INT blinks after every 5 seconds if load is connected on any one of 3 phase 06 Introduction selec Measurement Accuracy Voltage V 0 5 of Full scale Voltage V 0 5 of Full scale Average Voltage 0 5 of Full scale Average Voltage 0 5 of Full scale Current 0 5 of Full scale Average current 0 5 of Full scale 0 1 Freguency For Voltage gt 20V L N For Voltage gt 35V L L Power factor and Avg Power Factor MAX MIN Active Power MAX MIN Reactive Power Toll free 1800 227 353 Phone 91 22 28471 1882 4039 4200 4039 4202 Email sales selec com 07 Introduction SE lec Installation Guide Safety Precautions All safety related codifications symbols and instructions that appear in this operating manual or on the equipment must be strictly followed to ensure the safety of the operating personnel as well as the instrument If the equipment is not handled in a manner specified by the manufacturer it might impair the protection provided by the equipment A CAUTION Read complete instructions prior to installation and operation of the unit L CAUTION Risk of electric shock WIRING GUIDELINES A WARNING 1 To prevent the risk of electric shock power supply to the equipment
7. be away from any internal EMI source 1 Bas This device contains no user serviceable parts and requires special equipment and specialized engineers for repair NO WARRANTY ON UNIT DAMAGED DUE TO WRONG INPUT OUTPUT WIRING CONNECTION 10 Introduction selec Terminal Diagram MFM384 MFM384 230V 4 PULSE O P RS485 S2 S1 S2 S1 S2 1 I2 I3 11 Introduction selec Wiring guide 3 PHASE 4 WIRE COMMONLY USED WIRING DIAGRAM 3 4 wire 3 CT s All fuse types 0 5A class CC UL type 0 5A fast acting 600V co e LL 3 4 wire 3 CT s amp 3 PT s All fuse types 0 5A class CC UL type 0 5A fast acting 6 MFM384 LOAD L1 Introduction SE lec Wiring Guide 3 PHASE 3 WIRE WIRING DIAGRAM 3 3 wire 2 CT s amp 2 PT s All fuse types 0 5A class CC UL type 0 5A fast acting 600V LOAD L1 o gt l gt es gt N g LL a i o o N o o 3 3 WIRE 2 CT S All fuse types 0 5A class CC UL type 0 5A fast acting 600V MFM384 S1 S2 S1 S2 S1 S2 N VI V2 V3 13 Introduction SE lec Wiring Guide 2 PHASE 3 WIRE WIRING DIAGRAM 20 3 wire 2 CT s All fuse types 0 5A class CC UL type 0 5A fast acting lr ll 2 3 wire 2 CT s amp 2PT s All fuse types 0 5A class CC UL type 0 5A fast acting 600V LOAD L1 m gt N gt gt Z Si N S LL o a o o N o
8. by the MFM384 which can be used to interface MFM384 with SCADA systems 10 QB It indicates the integration of power available in the transmission lines It blinks once after every 5 sec 11 This symbol indicates that communication is in progress 45 User Guide selec Description of Parameter amp Symbols 12 DMD This symbol indicates Maximum amp minimum Demand of Power It is demand of Active Reactive amp Apparent power The demand statistics method in MFM384 is sliding fixed window 13 Sliding Window In this the intervals are sliding the unit calculates and updates the demand at the sliding speed 14 Fixed Window In this the intervals are consecutive the unit calculates and updates the demand at the end of each interval 46 Configuration Record Sheet selec Range or Factory Selection Setting 1 Change Password No Yes Function Network Selection 3P3W and 3P4W 3P4 3 CT Secondary 1A or SA 10000A OOK Baud Rate 2400 4800 9600 9600 amp 19200 None Even Odd 1 or Sliding Fixed Slidin 47 Configuration Record Sheet selec Max Page Auto 1 to 17 Change Page Sequence Page sequence 1 01 16 02 Page sequence 2 16 03 Page sequence 3 16 04 Page sequence 4 16 05 Page sequence 5 16 06 Page sequence 6 16 07 16 08 Page sequence 8 e png nni p Kess Ess Page sequence 7 E 16 09 Page seguence 9 ADI 16 101 Page seguence 10 a
9. o LOAD L1 MFM384 Si S2 S1 S2 S1 S2 N VI V2 Va 14 Introduction SE lec Wiring Guide 1 PHASE 2 WIRE COMMONLY USED WIRING DIAGRAM 10 2 wire 1 CT co se LL COMMUNICATION WIRING DIAGRAM Master i Suggested terminating resistor 120 ohm 4 watt 15 HMI selec Online Page Description There are 6 dedicated keys labelled as V VAF PF P E Use these 6 keys to read meter parameters Simply press these keys to read the parameters e Press V button the first screen shows v L N Voltage and Average Voltage V1 V2 V3 amp Vaal v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection 152 pu aa 202 SESE See C x Dan DER D cal L fa D nm Press V button the second screen shows v L L voltage amp average L L voltage V 1 2 V 2 3 V 3 1 Vee v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh KVAh based on user selection LI d ei D uu OS US UI ACTE D Cad r PRADA Ca EYN DX kW Note In 3 3 wire system only L L voltage 8 average L L voltage V 1 2 V 2 3 V 3 1 Via will be displayed Press button the first screen shows v Current 11
10. v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection 17 selec Online Page Description LI CH WR nu oo Du mo ca DI Da 9 lt ALA 102 ju ea Sai L wd L jee L JL mx L ALE N ce L KE call pene L ju D k oy E Y EON mn EY AED LC D ng y ix nn OS Press VAF W button the fourth screen shows v Average Voltage L N Current Power factor of three phase Vwa lives HE wel amp Frequency Hz v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection Note In 3 3 wire system only L L AVG voltage L L AVG current Average PF amp Freguency will be displayed Press PF A button the first screen shows v Power factor of each phase PF1 PF2 PF3 8 average power factor PF el v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection Note In 3 3 wire system only average power factor will be displayed Press P button the first screen shows v Active power of each phase P1 P2 P3 amp total power Psum v Bargraph indic
11. D Maximum Demand for Power Display update time 1 sec for all parameters Display Scrolling Auto Manual Online Pages Customized page selection from available standard pages selection via configuration menu Input Point Electrical Specification Electrical input type 1 O 2 wire 2 O 3 wire 3 3 wire 3 4 wire Rated Inout veltaae 11 to 300V AC max phase to neutral H 9 19 to 519V AC max phase to phase Nominal 5A AC 11mA minimun 6A max Frequency range 45 to 65 Hz 1A or 5A to 10 000A Programmable for any value Note 1A to 10 000A if CT secondary is 1 else CT primary is 5A to 10 000A CT Secondary Programmable 1A or 5A PT Primary 100V to 500kV Programmable for any value PT Secondary 100 to 500V AC L L Programmable for any value Burden 0 5 VA per phase 5A 04 Rated input current CT Primary Introduction selec Serial Communication Applicable for MFM384 C MFM384 C 230V ela standards MODBUS RTU protocol over RS485 Response time 100 ms Independent of baud rate Pulse Output type Pulse Voltage Pulse Current 100 ms 50 ms Temperature Operating temperature 0 to 50 C Storage temperature 20 to 75 C MFM384 MFM384 C 318gms MFM384 230V MFM384 C 230V 362gms 05 Introduction selec Parameter Measured Calculated All average and phase to phase and Voltage phase to neutral voltage Current Active Power Reactive Power KVAr kVAr KVAr and Total kVAr Apparent
12. Multifunction selec M ete r Creating Best Value a gt lt ape Det CH LI 40 DI UH DI mir LLU Ube _MFM384 OPERATING INSTRUCTIONS Operating 1008 MFM384 Ver1A OP278 VO1A Content SE lec 1 INTRODUCTION 1 1 04016 111 2 1010 DAYAR YN PR EF FY ET ir alaalia t A 01 LOR aan ne 02 1 3 Technical e reni 04 t4 Installation G de r inaa E ENAERE NEEE 08 sa Me Queer 12 2 HUMAN MACHINE INTERFACE HMI ne 16 3 CONFIGURATION ricreca 23 4 APPLICATIONS 34 5 COMMUNICATION 5 1 Modbus Parametert uu iena 95 bi USER GUIDE een ir ip ein ons 45 7 CONFIG RECORD SHEET de anne sue dune 46 Introduction SE lec MB asour mem384 A suitable meter for the measurement of parameters such as voltage current power factor frequency power and energy Features such as pulse output communication are available thereby providing a complete solution for many measurement needs APPLICATIONS Electric Automation SCADA System MFM384 can be used as Remote Terminal Unit RTU for monitoring purpose in a SCADA System All measured data is available through RS485 communication ports with the Modbus Protocol Energy Management System Building Management System MFM384 can be used to monitor power and energy parameters of an organization which can be transmitted to main control room through RS485 Heavy Industries MFM384 is a su
13. ates amount of current present in the system Independent of key press v The lower most display shows total energy KWh kVArh kVAh based on user selection Note For 3 O 3 wire system this page will not be available 18 selec Online Page Description pa ybu LO OLO a w co Mai nai a D a DO EC ui z S z Z 303000 Ee pall dau A a KON 793 Press P button the second screen shows v Reactive power of each phase O1 G2 O3 amp total power Qum v Bargraph indicates amount of current present in the system Independent of Key press v The lower most display shows total energy kWh kVArh kVAh based on user selection Note For 3 3 wire system this page will not be available Press P button the third screen shows v Apparent power of each phase S1 S2 S3 amp total apparent power Si v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection Note For 3 O 3 wire system this page will not be available Press P button the fourth screen shows v Active Reactive Apparent power of first phase KW1 kVAr1 KVA1 amp power factor v Bargraph indicates amount of current present in the system Independent of Key press v The lower most display shows total en
14. can make the reguisite hardwired connection at the terminals CT Secondary Default Setting 5 A Range 1A or 5A Note User can select from 1A and 5A as per external CT specification 24 Configuration SE lec Configuration CT Primary Default Setting 5 A Range 1A 5A to 10 000A 10 0 kA Note As per CT secondary selection CT primary will be 1A to 10000A or 5A to 10000A Programmable for all values PT Secondary Default Setting 350V Range 100V to 500V Note User can select from 100 to 500V as per external PT specification Programmable for all values PT Primary Default Setting 350V Range 100V to 500kV Note User can select PT primary value as per external PT specifications Programmable for all values 25 Configuration SE lec Configuration Slave ID Default Setting 1 Range 1 to 255 ME dI Note Slave Id is for communication purpose Go L Each meter on same RS485 network should have different address according to Modbus RTU protocol Optional available in MFM384 C only Baud Rate Default Setting 9600 Range 300 600 1200 2400 4800 9600 amp 19200 Note The baud rate could be one of the seven 300 600 1200 2400 4800 9600 amp 19200 Optional available in MFM384 C only Parity Default Setting None Range None Even Odd Note For asynchronous
15. communication user can select any one of three None Even Odd Optional available in MFM384 C only 26 Configuration SE lec Configuration Stop Bit Default Setting 1 Range 1 or 2 Note For asynchronous communication user can select any one of two 1 or 2 Optional available in MFM384 C only Backlight Default Setting O sec Range 0 to 7200 sec Note Backlight remains ON permanently if the time programmed is 0 second User can switch OFF the backlight by entering a value within the defined range The backlight switches OFF after the entered time elapses amp automatically switches ON for the same duration of time after key is pressed in MFM384 the page no of this page will be displayed as 07 Demand Interval Method Default Setting Sliding Range Sliding Fixed Note User can select demand interval from sliding or fixed window protocol Refer user guide for the working of above protocol in MFM384 the page no of this page will be displayed as 08 27 Configuration SE lec Configuration Demand Interval Duration Default Setting 15 Range 1 to 30 Note User can change demand duration as per the requirement In MFM384 the page no of this page will be displayed as 09 Demand Interval Leanght Default Setting 1 Range 1 to 30 min Note User can change demand length as per the requirement
16. e 16 16 Page sequence 16 Page sequence 11 Page sequence 12 Page sequence 13 Page sequence 14 Lack Zz zech Page seguence 15 O1 16 02 16 03 16 04 16 05 16 06 16 07 16 08 16 09 1610 SCSI KA 1613 1614 1615 1616 EA Ln NIO 16 17 Page sequence 17 48 Note selec Reset Energy amp Max Demand ai Password 0001 To 9999 18 01 Reset Active Energy No Yes 8 02 Reset Reactive Energy No Yes 8 03 Reset Apparent Energy No Yes 8 04 Reset Max Active Power No Yes 18 05 Reset Min Active Power No Yes 18 06 Reset Max Reactive Power No Yes 18 07 Reset Min Reactive Power No Yes 18 08 Reset Max Apparent Power No Yes Marked parameters are available only in MFM384 C MFM384 C 230V e For resetting energy parameters user will be prompted for password If correct password is entered the user will be able to reset all energy parameters This password will be value which will be greater than the configuration password by 1 49 Operating 1008 MFM384 Ver1A OP278 VO1A Selec Controls Pvt Ltd India Tel 91 22 28471882 4039 4200 4039 4202 Tollfree 1800 227 353 Fax 91 22 28471733 Website www selec com E mail sales selec com
17. e resetting After pressing enter key configuration will move on to change password page LO CC CO LO ie rn in MFM384 the page no of this page will be displayed as 14 08 33 Application selec Application of Pulse Output e Process Integration 24V DC maximum 12 24V DC _ Pulse output from MFM384 meter can be interfaced into a process through a PLC for on line control of energy content in the process If the PLC has a self excited 24V digital input external 24V DC supply is not needed The kWh pulse is also used to derive average KWh information at the PLC Pulse output from MFM384 meter can be used as alarm generator or total energy controller by interfacing it with presettable counter and control circuits Contactors Relay Trip Circuit The counter is loaded with the maximum energy consumption When count reaches setpoint it provides output to control circuit to take appropriate action To Control Circuit All fuse types 0 5A class CC UL type 0 5A fast acting 600V 34 Modbus parameter selec MODBUS register addresses list Readable parameters from MFM384 30000 Float 30002 30004 30006 30008 30010 30012 30014 30016 30018 Float 30020 Float 30022 Float Float Float Float Float Float Float Float Float 35 36 Float Float Float Float Float Float Float Float Modbus parameter selec Modbus parameter selec MODBUS register addresses list conti
18. easing parameters value e Use lt key to go back to previous page e Use lt key to save the setting and move on to next page Password for entering into configuration Default Setting 1000 Range 0000 to 9998 Note Access code Password needed for getting into configuration menu Only the person who knows the access code can do the parameter setting Change Password Default Setting No Range No Yes LI al mm A ail a o L IL J w A 3 cur a L3 m Note If user want to change default password make selection as Yes and proceed If selection is No then configuration will move on to the network selection page D Lo 23 Configuration SE lec Configuration New Password Default Setting 0000 Range 0000 To 9998 lum lt Lo Z ma GC a a mL al E a zan Note After selecting Yes on previous page user can set new password Use or keys to move curser left or right by one digit each time Use A or V keys for increasing or decreasing parameters value Eu e ca CH Ex LA 3 Network Selection Default Setting 3P4W Range 3P3W and 3P4W Note Network selection can be done as per wiring diagram given on Pg no 11 and selecting appropriate network selection from configuration eg for 1 2 wire 2 3 wire connection the network selection should be set to 3P4W and user
19. ergy kWh kVArh kVAh based on user selection Note For 3 O 3 wire system this page will not be available 19 selec Online Page Description CO oer DIET PAUN COLOLOLO di E CO Eu ca z LO H Ff wt 4 mn pa Dop pone e ITY I ge DEN OK I on Press P button the fifth screen shows v Active Reactive Apparent power of second phase KW2 kVAr2 kVA2 amp power factor v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection Note For 3 O 3 wire system this page will not be available Press P button the sixth screen shows v Active Reactive Apparent power of third phase KW3 kVAr3 kVA3 amp power factor v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection Note For 3 O 3 wire system this page will not be available Press P button the seventh screen shows v Total Active Reactive Apparent power of all three phase KW KVArsum KVAsum amp power factor v Bargraph indicates amount of current present in the system Independent of key press v The lower most display shows total energy kWh kVArh kVAh based on user selection Note In 3 3 wi
20. g energy parameters user has to select Yes option If option selected is No the configuration will move to change password in MFM384 the page no of this page will be displayed as 14 Password Default Setting 1001 Selection 0000 To 9999 Note For resetting energy parameters user will be prompted the password If correct password is entered the user will be able to reset all energy parameters This password will be a value which will be greater than the configuration password by 1 in MFM384 the page no of this page will be displayed as 14 1 Reset Active Energy Default Setting No Selection No Yes Note User can reset energy by selecting Yes User should note the reading before resetting in MFM384 the page no of this page will be displayed as 14 01 30 Configuration SE lec Configuration Reset Reactive Energy Default Setting No Selection No Yes Da C3 Pa DL a IT TT 3 Note User can reset energy by selecting Yes User should note the reading before resetting Z ee 9 EI EF in MFM384 the page no of this page will be displayed as 14 02 Reset Apparent Energy Default Setting No Selection No Yes Note User can reset energy by selecting Yes User should note the reading before resetting After pressing enter key configuration will move on to change password page in MFM384 the page no of thi
21. itable meter for heavy industries because of its ability to function even in rough conditions Power Transmission and Distribution field Power System Protection Field Industry Automation Large UPS System Note Please read this manual carefully amp completely before installing operating MFM384 Specifications subject to change as development is a continuous process 01 Introduction selec SALIENT FEATURES gt 4 lines 4 digits per line 8 digits for energy Bar graph for current indication gt Network supported 1 2 wire 2 3 wire 3 3 wire 3 4 wire User programmable network selection gt LCD with backlight User programmable ON time for backlight Auto manual page scrolling User programmable page sequence for page displayed in auto mode Measures all electrical parameters RMS Voltage Current Active power Reactive power Apparent power Power factor Freguency Active energy Reactive energy amp Apparent energy DMD Min Max Active Power Min Max Reactive Power Max Apparent power gt Programmable CT PT primary CT PT secondary Memory retention for ten years Potential free Pulse output for energy 85 to 270V AC auxiliary supply RS485 communication MODBUS Protocol Optional Protection covering for terminal screws ORDER CODE gt MFM384 MFM384 C with Communication 02 Introduction SE lec Display amp Key description 1
22. must be kept OFF while doing the wiring arrangement 2 Wiring shall be done strictly according to the terminal layout Confirm that all connections are correct 3 Use lugged terminals 4 To eliminate electromagnetic interference use of wires with adequate ratings and twists of the same in equal size shall be made 5 Cable used for connection to power source must have a cross section of 1 5mm These wires shall have current carrying capacity of 6A 6 The following safety earth symbol is used in this user s manual CO Introduction selec Maintenance 1 The equipment should be cleaned regularly to avoid blockage of ventilating parts 2 Clean the equipment with a clean soft cloth Do not use Isopropyl alcohol or any other cleaning agent Installation Guidelines L CAUTION 1 This equipment being built in type normally becomes a part of main control panel and in such case the terminals do not remain accessible to the end user after installation and internal wiring 2 Conductors must not come in contact with the internal circuitry of the equipment or else it may lead to a safety hazard that may in turn endanger life or cause electrical shock to the operator 3 Circuit breaker or mains switch must be installed between power source and supply terminals to facilitate power ON or OFF function However this switch or breaker must be installed in a convenient position normally accessible to the operator 4
23. nued Readable parameters from MFM384 Length Register Data Structure Float Float Float Float Float Float Float Float Float Float Float Float Float Float Registe Siructure ET mae TI fo esso i Ier me Mw TTT o i ew es mavae se II Bi SSES E E KAAS 15551055557 37 38 Modbus parameter selec MODBUS register addresses list continued Readable writable parameters from MFM384 40002 CT Secondary 40003 CT primary CT Secondary 5 40004 PT Secondary 40005 PT primary RI O 005555 SSES 1 155 SSES 1 100555555 39 Modbus parameter selec Length Data Register Structure i eee 1 Di vie ici Die mw EIERE ove EE oo EE ES RS oooos ee T_T oo EE ES RS vv ee T_T vee Lem TT ovo pos ooo ee TT vee 1777 I LE oo Tio 1 om Se inves Ss Mave ll 40 Range Modbus parameter selec Modbus parameter selec MODBUS register addresses list continued Readable writable parameters from MFM384 SS RRE SS O LT 41 42 Length Data Register Structure Integer Integer O Reset Total Active Energy a a Integer Integer Reset Total Reactive Energy Integer Integer 17 Last Page Integer Integer Integer Integer Integer Integer Integer Integer Integer 1
24. re system only total L L power KW KVAr kVA will be displayed 20 HMI selec Online Page Description Press P button the eighth screen shows Max Active Reactive Apparent demand Power KW kVAr kVA Bargraph indicates amount of current present in the system Independent of key press The lower most display shows total energy kWh kVArh KVAh based on user selection Note In 3 3 wire system only L L max demand power KW KVAr kVA will be displayed Press P button the ninth screen shows Min Active Reactive demand power kW kVAr Bargraph indicates amount of current present in the system Independent of key press The lower most display shows total energy KWh kVArh KVAh based on user selection Note In 3 3 wire system only L L min demand power KW KVAr kVA will be displayed Press E button the first screen shows v Total active energy on the bottom most display Irrespective of page being displayed v Bargraph indicates amount of current present in the system Independent of key press CH CO bk Ex LI En a 1 Note User can toggle between the 3 types of energy parameters KWh KVArh KVAh irrespective of page being displayed by pressing E button EC Ai zi Ei E EA HMI selec Online Page Description Press E button the second screen shows v Total apparent energy on the bot
25. s page will be displayed as 14 03 Reset Max Active Power Default Setting No Selection No Yes de LO ve ge Jaw 3 d m ln bt es 1 Note User can reset max active power by selecting Yes User should note the reading before resetting t In MFM384 the page no of this page will be displayed as 14 04 31 Configuration SE lec Configuration E LO on We L 3 ET LU Eg pi Ir Reset Min Active Power Default Setting No Selection No Yes Note User can reset min active power by selecting Yes User should note the reading before resetting EF in MFM384 the page no of this page will be displayed as 14 05 Reset Max Reactive Power Default Setting No Selection No Yes Note User can reset max reactive power by selecting Yes User should note the reading before resetting EF in MFM384 the page no of this page will be displayed as 14 06 Reset Min Reactive Power Default Setting No Selection No Yes Note User can reset min reactive power by selecting Yes User should note the reading before resetting In MFM384 the page no of this page will be displayed as 14 07 32 Configuration SE lec Configuration Reset Apparent Power Default Setting No Selection No Yes Note User can reset apparent power by selecting Yes User should note the reading befor
26. tom most display Irrespective of page being displayed v Bargraph indicates amount of current present in the system Independent of key press DM nu IR C iu Dai iw ma 3 C9 EI Min SC x gt L i a L Press E button the third screen shows v Total reactive energy on the bottom most display Irrespective of page being displayed ae Sg y Dm 3 UP bm v Bargraph indicates amount of current present in the system Independent of Key press E DISTA I Press E button for 3 seconds to toggle between Auto amp Manual mode Note By default unit operates in auto mode In auto mode online pages scrolls automatically at the rate of 5 seconds per page In auto mode when any key is pressed unit temporarily switches to manual mode and the appropriate page is displayed also if no key is pressed for 5 sec unit resumes auto mode 22 Configuration selec Configuration There are 6 dedicated keys labelled as V I VAF PF P E Use these 6 keys to enter into configuration menu change setting Note The settings should be done by a professional after going through this users manual and understood the application situation For the configuration setting mode e Use A v keys for 3 sec to enter or exit from the configuration menu e Use or keys to move curser left or right by one digit each time e Use A or Y keys for increasing or decr

OP_MFM384-MFM384-C_OP278-V01A_web

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