selec mfm383a user manual
Contents
1. Address Hex Address Parameter Range Regier he Value Meaning 40009 0x09 Parity 0x0000 None 1 Integer 0x0001 Odd 0x0002 Even 40010 Ox0A Stop bit 0x0000 1 1 Integer 0x0001 2 40011 0x0B Factory Default 1 Set to factory setting range 1 Integer 40012 0x0C Reset kWh 1 Reset Total Active Energy 1 Integer Min Value Max Value 40015 0x0F Auto Mode Pgs 1 20 1 Integer Page No Meaning 40016 0x10 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40017 0x11 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40018 0x12 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40019 0x13 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40020 0x14 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40021 0x15 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40022 0x16 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40023 0x17 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40024 0x18 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40025 0x19 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40026 Ox1A Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40027 0x1B Page Address Sequence 1 20 1 First Page 20 Last Page 1 I2. Current 0 5 0 1 Frequency For L N Voltage gt 20V For L L Voltage gt 35V Active Power 1 Apparent power 1 Reactive Power 1 Power factor 1 Active energy Class 1 1 To prevent the risk of electric shock power supply to the equipment 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 reduce electromagnetic interference use of wires with adequate ratings and twists of the same in equal size shall be made with shortest connections 5 Layout of connecting cables shall be away from any internal EMI source 6 Cable used for connection to power source must have a cross section of 0 5mm to 2 5mm 20 to 14AWG 75 C minimum Thesewires shall have current carrying capacity of 6A 7 Copper cable should be used Stranded or Single core cable 8 Before attempting work on device ensure absence of voltages using appropriate voltage detection device INSTALLATION GUIDELINES 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 electrica
3. and protocol RS485 and MODBUS RTU Communication address 1 to 255 Transmission mode Half duplex Data types Float and Integer Transmission 500m maximum distance Transmission 300 600 1200 2400 4800 speed 9600 19200 in bps Parity None Odd Even Stop bits 1or2 100 ms Response time max and independent of baud rate p 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 used in a manner specified by the manufacturer it might impair the protection provided by the equipment e Do not use the equipment if there is any mechanical damage Ensure that the equipment is supplied with correct voltage A CAUTION 1 Read complete instructions prior to installation and operation of the unit 2 Risk of electric shock 3 The equipment in its installed state must not come in close proximity to any heating sources oils steam caustic vapors or other unwanted process by products WIRING GUIDELINES A WARNING PT Ratio x CT Ratio kWh Pulse lt 150 0 1K 0 1K gt 150 1K 1K NOTE 1 For Voltage Current Power resolution is automatically adjusted 2 For power factor resolution is 0 001 Measurement Accuracy Voltage Vin 0 5 Voltage V a 0 5
4. 13 06 Page Sequence 6 0 20 6 Displays phase current of 3 phases pressed for 5sec unit resumes automatic mode Note For 3 3 W system only the 2nd and 13 07 Page Sequence 7 1 to 20 7 3 3rd screen available SERIAL NUMBER DESCRIPTION Pulse output from MFM383A meter can be interfaced Theis Page4 Aih key ey for t0 io display Sididitse al 13 08 Page Sequence 8 1 to 20 8 into a process through a PLC for on line control of e 1stscreen Page ress ey or 10sec to display 8 digit seria energy content in the process Displays voltage current of 1st phase and number on first and second row 13 09 Page Sequence 9 1 to 20 9 If the PLC has a self excited digital input external DC frequency supply is not needed The 2nd screen Page 5 CONFIGURATION 13 10 Page Sequence 10 1 to 20 10 The kWh pulse is also used to derive average kWh epee voltage current of 2nd phase and There are 4 dedicated keys with symbols marked as information at the PLC ie see oe Y A 4 1 Use these 4 keys to enter into 13 11 Page Sequence 11 1to 20 1 Di F 7 en Page t f3rdph d configuration menu change setting ENERGY CONTROLLER i ISP AYS volage Current oleta prasgan Note The settings should be done by a professional 13 12 Page Sequence 12 1 to 20 12 Thaith a iPade after going through this users manual and after having All fuse types 0 5A class CC UL type Di e l screen a ined i understood the application situation 13 13 Page Sequence 13 1 to 20 13 0 5A f
5. OAD RS485 RS232 Converter 123456 We EEEX Contact sales for PC based monitoring software to communicate with the meters Specifications subject to change as development is a continuous process Selec Controls Pvt Ltd India Tel No 91 22 28476443 1882 Fax No 91 22 28471733 I Toll free 1800 227 353 Website www selec com Email sales selec com Doc name OP INST MFM383A MFM383A C OP354 V03 Page 4 of 4
6. OP354 V03 MFM383A MFM383A C Operating Instructions MPM3834 96x96 SPECIFICATIONS DISPLAY Liquid crystal display with backlight 3 lines 4 digits per line to show electrical Parameters Dedicated 7 digit show energy WIRING INPUT 3 4 wire 3 3 wire 2 3 wire and 1 2 wire system RATED INPUT VOLTAGE 11 to 300V AC L N 19 to 519V AC L L Installation Category III 600V FREQUENCY RANGE 45 65Hz RATED INPUT CURRENT Nominal 5A AC Min 11mA Max 6A BURDEN 0 5 VA 5A per phase CT PRIMARY 1A 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 1A or 5A programmable PT PRIMARY 100V to 10 000V Programmable for any value PT SECONDARY 100 to 500V AC L L Programmable for any value DISPLAY UPDATE TIME 1sec for all parameters DISPLAY SCROLLING Automatic or Manual Programmable AUXILIARY SUPPLY RANGE 85 to 270V AC 50 60Hz POWER CONSUMPTION Less than 8VA ENVIRONMENTAL CONDITIONS Indoor use Altitude of up to 2000 meters Pollution degree II Temperature Operating 10 to 55 C Storage 20 to 75 C Humidity Up to 85 RH non condensing MOUNTING Panel mounting WEIGHT MFM383A_ 310gms MFM383A C 344gms OUTPUT Pulse Output Voltage range Current capacity 100mA max Pulse Width 100ms 5ms External 24V DC max SERIAL COMMUNICATION Applicable for MFM383A C Interface standard
7. aned regularly to avoid blockage of ventilating parts 2 Clean the equipment with a clean dry or damp cloth Do not use any cleaning agent other than water Ju TERMINAL CONNECTIONS MFM383A N L Bo ee PULSE O P CONNECTIONS DIAGRAM L1 L L2 e5 o L3 z A N D OROROORO D a B S1 S2 Si S2 S1 S2 N vi v2 v3 n 12 13 MFM383A C N L Li Ss are KE eH SH ay SH E SHH SH Doc name OP INST MFM383A MFM383A C OP354 V03 Page 1 of 4 El FRONT PANEL DESCRIPTION KEY PRESS ONLINE PAGE DESCRIPTION Coree ee NETWORK SELECTION AND WIRING INPUT page Selection Setting The 8th screen Page 16 Network selection Wirin MFM383A Displays active power apparent power and 7 Slave Id 1 to 255 1 in configuration mode g power factor of 2nd phase k 300 600 1200 The 9th screen Page 17 8 Baud Rate 2400 4800 9600 spaw SPAN APOW1F2W Displays active power reactive power and 9600 amp 19200 3P3W 3P3W power factor of 3rd phase The 10th screen Page 18 9 Parity None Even Odd None APPLICATION OF PULSE OUTPUT Displays active power apparent power an
8. ast acting 600V i ays pita a Ah 9 oe o Teu i For the configuration setting mode fre age CUMENE Q ree pnases an e Use and 4 keys for 3sec to enter or exit from 13 14 Page Sequence 14 1 to 20 14 The Sth se Page 8 configuration menu ne recreen Page R e Use W and A keys for increasing and decreasing 13 15 Page Sequence 15 1 to 20 15 Displays average value line to line voltage current and Power factor of three phases parameters vale rospectively el e Use key to go back to previous page 13 16 Page Sequence 16 1 to 20 16 Note For 90 3 W system only the 1st 2nd e Use 4 key to save the setting and move on next 3rd and 5th screen available page P s 17 42 24v pe For 3 4W Display Line to Neutral Voltage i 13A Pagenequenee 1to 20 i L ae For 3 3 W Display Line to Line Voltage Config Ranceto Factor Q To Function ge or ory 13 18 Page Sequence 18 1 to 20 18 S Control The 1st screen Page 9 page Selection Setting 4 Circuit Displays power factor of 3 phase P 4 13 19 Page Sequence 19 ite20 6 D The 2nd screen Page 10 asswor 0000 to 9998 10 Displays active power of 3 phase The 3rd screen Page 11 1 Change Password No Yes No 13 20 Page Sequence 20 1to20 20 Displays reactive power of 3 phase ne in screen Page 12 4 1 1 New Password 0000 to 9998 10 14 Factory Default No Yes No Displays apparent power of 3 phase Pulse output from MFM383A meter can be used as The 5th screen Page 13 2 Network Selec
9. d ia power factor of 3rd phase 10 SORBI Tong 1 The 11th screen Page 19 Back Light PROCESS INTEGRATION Displays total active power reactive power 11 acr g O to 7200 sec 0000 and power factor of 3 phases All fuse types 0 5A class CC UL type The 12th screen Page 20 12 Max Page 1 to 20 20 0 5A fast acting 600V Displays total active power apparent power and power factor of 3 phases 13 Change Sequence No Yes No Note For 3 3 W system only the 11th ONLINE PAGE DESCRIPTION and 12th screen available 13 01 Page Sequence 1 1 to 20 1 There are 3 dedicated keys labelled as VI VAF P Use these 3 keys to read meter parameters Simply press AUTOMATIC MANUAL MODE DESCRIPTION 13 02 Page Sequence 2 1to 20 2 these keys to read the parameters fi y p Press W key 3 sec to toggle between Automatic and 13 03 Page Sequence 3 1 to 20 3 Maimu KEY PRESS ONLINE PAGE DESCRIPTION Ne ye ani fash i HE ote By default unit operates in automatic mode 13 04 Page Sequence 4 1 to 20 4 Press VI The 1st screen Page 1 In automatic mode online pages scroll automatically at 9 i id Displays line to neutral voltage of 3 phases the rate of 5 sec per page Page Sequence 5 7 The 2nd screen Page 2 In automatic mode when any key is pressed unit 1399 ge SAUNG 1710 20 5 Displays line to line voltage of 3 phases temporarily switches to manual mode and the The 3rd screen Page 3 appropriate page is displayed also if any key is not
10. l 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 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 5 The equipment shall not be installed in environmental conditions other than those mentioned in this manual 6 The equipment does not have a built in type fuse Installation of external fuse of rating 275V AC 0 5Amp for electrical circuitry battery is highly recommended Fee mecuancarmstaaron For installing the meter 1 Prepare the panel cutout with proper dimensions as shown below 2 Push the meter into the panel cutout Secure the meter in its place by fitting the clamp on the rear side Fit clamps on both sides in diagonally opposite location for optimum fitting 3 For proper sealing tighten the screws evenly with required torque Terminal screw tightening torque 0 68 N m to 0 79 N m 6 018 In Lb to 6 992 In Lb Screw clamp tightening torque 0 1N m 0 885 Lb inch OUTLINE PANEL CUTOUT Dimensions in mm Dimensions in mm o lt 90 5 91 5 m 91 5 w MAINTENANCE 1 The equipment should be cle
11. nteger 40028 0x1C Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40029 0x1D Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40030 Ox1E Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40031 Ox1F Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40032 0x20 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40033 0x21 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40034 0x22 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer 40035 0x23 Page Address Sequence 1 20 1 First Page 20 Last Page 1 Integer Min Value Max Value Sec 40036 0x24 Backlight 0 Always on 7200 1 Integer Address Hex Address Parameter Address Hex Address Parameter 30000 0x00 Voltage VIN 30030 Ox1E kVA1 30002 0x02 Voltage V2N 30032 0x20 kVA2 30004 0x04 Voltage V3N 30034 0x22 kVA3 30006 0x06 Average Voltage LN 30036 0x24 kVAr1 Voltage V12 30038 0x26 kVAr2 30010 Ox0A Voltage V23 30040 0x28 kVAr3 30012 0x0C Voltage V31 30042 Ox2A Total kW 30014 Ox0E Average Voltage LL 30044 0x2C Total kVA 30016 0x10 Current 11 30046 Ox2E Total kVAr 30018 0x12 Current 12 30048 0x30 PF1 30020 0x14 Current I3 30050 0x32 PF2 30022 0x16 Average Current 30052 0x34 PF3 30024 0x18 kW1 30054 0x36 Average PF 30026 Ox1A kW2 30056 0x38 Frequency 30028 0x1C kW3 30058 Ox3A kWh Readable writable parameters Addre
12. ss Hex Address Parameter Range Reger ees Min value Max value 40000 0x00 Password 0 9998 1 Integer Value Meaning 40001 0x01 N W selection 0 3P 4W 1 Integer 1 3P 3W 1 Integer Min Value Max Value 40002 0x02 CT Secondary 1 5 1 Integer 40003 0x03 CT primary CT Secondary 5 5 10000 1 Integer CT primary CT Secondary 1 1 10000 40004 0x04 PT Secondary 100 500 1 Integer 40006 0x06 PT primary 100 10000 1 Integer 0x0004 4800 0x0005 9600 0x0006 19200 Doc name OP INST MFM383A MFM383A C OP354 V03 Page 3 of 4 TYPICAL WIRING DIAGRAM 3 PHASE 4 WIRE COMMONLY USED 3 4 WIRE 3 CT S 3 3 WIRE 2CT S amp 2 PT S MFM383A MFM383A C MFM383A MFM383A C i 12 13 1 S2 S1 S2 Si S2 N V1 V2 V3 i I2 I3 S1 S2 Si S2 Si S2 N Vi V2 V3 L3 L2 L1 LOAD MFM383A MFM383A C MFM383A MFM383A C i 12 13 n 12 I3 Si S2 S1 S2 Si S2 N V1 V2 V3 S1 S2 Si S2 Si S2 N Vi V2 V3 a agag apoga L3 L2 L1 2 3 WIRE 2 CT S MFM383A MFM383A C qn I2 13 S1 S2 S1 S2 S1 S2 N V1 V2 v3 au LINE LOAD PULSE S485 oP MFM383A MFM383A C ii I2 I3 S1 S2 S1 S2 Si S2 N Vi V2 1 2 WIRE 1 CT MFM383A MFM383A C n I2 I3 Si S2 Si S2 Si S2 N Vi V2 V3 L1 LINE All fuse types 0 5A class CC UL type 0 5A fast acting 600V CONNECTION DIAGRAM FOR COMMUNICATION Suggested terminating resistor i 120 ohm watt L
13. tion 3P3W and 3P4W 3P4W 15 Reset Energy No Yes No alarm generator or total energy controller by interfacing it Displays active power reactive power and s with Pre settable counter and control circuits power factor of 1st phase 3 CT Secondary 1Aor5A 5 15 1 Password 0001 to 9999 11 Contactors Relay Trip Circuit The 6th screen Page 14 ASAT The counter is loaded with the maximum energy Displays active power apparent power and 4 CT Primary 10 000A 10 0kA 5 15 2 Reset Active Energy No Yes No consumption When count reaches setpoint it provides power factor of 1st phase Marked parameters are available only in MEM383A C output to control circuit to take appropriate action The 7th screen Page 15 5 PT Secondary 100V to 500V 350 e For resetting energy parameters user will be prompted for Displays active power reactive power and password If correct password is entered the user will be able PT prima to reset all energy parameters This password will be value power factor of 2nd phase i pimay eee which will be greater than the configuration password by 1 Doc name OP INST MFM383A MFM383A C OP354 V03 Page 2 of 4 MODBUS REGISTER ADDRESSES LIST Readable parameters from MFM383A Length Register 2 Data Structure Float MODBUS register addresses list continued Readable writable parameters from MFM383A
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