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F&F DMM-5T-2, Manual

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F&F DMM-5T-2 Manual Download Page 9

- 9 -

Terminal 

block

Termi-

nal

Func-

tion

Notes

RS-485

A+

Commu-

nication 

interface

It is recommended to use 

shielded cables dedicated to 

RS-485 communication.

B-

Terminating resistors with a va-

lue of 120Ω must be connected 

at the ends of the bus.

G

Up to 32 devices can be 

connected in one branch of the 

RS-485 bus.

Summary of Contents for DMM-5T-2

Page 1: ...ed and exported and analyses the distribution of voltage and current harmonics up to and including 63 harmonic Purpose F F Filipowski sp j Konstantynowska 79 81 95 200 Pabianice POLAND phone fax 48 42 215 23 83 48 42 227 09 71 www fif com pl e mail biuro fif com pl Do not dispose of this device in the trash along with other waste According to the Law on Waste electro coming from households free of...

Page 2: ...tion 1 Indicator of the selected network type 1P2W 1 phase 2 wire installation 3P3W 3 phase 3 wire installation 3P4W 3 phase 4 wire installation 2 A bar graph indicating the power consumption of each phase 3 DMD displays the demand indication ...

Page 3: ...ximum value 8 Indicators of measured values 9 Indicators of RS 485 communication 10 Indicates the units of displayed measured values 11 Indicators PF power factor THD the percentage of total harmonic distortion Hz frequency 12 Graphical power factor indicator 13 Energy consumption indicator including unit 14 Indicates the type of energy displayed in field 13 TOTAL total energy consumption IMP ener...

Page 4: ...e power supply and voltage circuits of the meter with a 1 A fuse link Measuring voltage The maximum value of the me asuring voltage must not exceed 280 V AC phase voltage between the L N terminals or 500 V AC phase voltage between the L L terminals Exceeding the maximum va lue of the measuring voltage may damage the device Measuring current The multimeter is designed for in direct current measurem...

Page 5: ...re of 25 55 C with air humidity below 90 Exceeding the operating limits may result in incorrect operation or damage to the multimeter An opening of 92 92 mm should be made in the panel and the thickness of the material used to make the panel should not ex ceed 5 mm Installation ...

Page 6: ...the panel with all wires disconnected and press it against the surface of the panel After mounting the multimeter on the panel the cabling can be connected View of the multimeter from the side of the connector plates Terminal arrangement diagram ...

Page 7: ...ltage circuits of the meter should be protected with a 1 A slow blow fuse link N CURRENT I1 I1 Current measu rement chain The current measuring chain is adapted to connect current transformers with 5 A secondary current and minimum power of 0 5 VA I2 I2 The current input of the meter marked with the symbol should be connected to the S1 terminal of the current transformer The current input of the m...

Page 8: ...ll S2 terminals of the transformers should be earthed PULSE P1 COM P2 Pulse outputs Passive pulse outputs open collector Class A compliant IEC 62053 31 P1 programmable pulse output function and number of pulses P2 energy consumption indi cation 3200 pulse kWh COM common ground of P1 and P2 outputs Maximum load of a single output pulse voltage 30 V current 20 mA ...

Page 9: ...Commu nication interface It is recommended to use shielded cables dedicated to RS 485 communication B Terminating resistors with a va lue of 120Ω must be connected at the ends of the bus G Up to 32 devices can be connected in one branch of the RS 485 bus ...

Page 10: ...e network semi indirect measurement Connection diagrams for other network systems and measurement variants are available in the full device manual that can be downloaded from www fif com pl from the product page Connection diagram ...

Page 11: ... with measured values Phase voltages Phase to phase voltage Phase currents Voltage and current harmonics sum by phase Phase sequence In configuration mode or value selection mode button Left Voltage harmonics from 1 to 63 change of the displayed harmonics using the Up or Down buttons Frequency and total power factor Power factor by phase Current harmonics from 1 to 63 change of the displayed har m...

Page 12: ...ton increasing the value Current harmonics from 1 to 63 change of the displayed har monics using the Up or Down buttons Active power by phase Reactive power by phase Apparent power by phase Total active reactive and apparent power While in configuration or value selection mode the DOWN button decreasing the value Operating time of the device ...

Page 13: ...ve energy While in configuration or value selection mode the Right button Entering configuration mode Confirming parameter value Measuring system network 1P2W 1 phase 2 wire 3P3W 3 phase 3 wire 3P4W 3 phase 4 wire Current measurement rated current In 0 25 5 6 A the actual value of the measured current will depend on the size of the current transformers used Technical data ...

Page 14: ...orary 15 VA operating temperature 25 55 C storing temperature 40 70 C relative humidity 0 95 without condensation or aggressive gases class of contamination 2 housing flammability UL94 V0 ingress protection front IP54 back IP20 case size 96 96 62 mm size of the mounting hole 92 92 mm panel thickness 1 5 mm Communication pulse outputs 2 RS 485 Modbus RTU baud rate 2400 4800 9600 19200 38400 bps par...

Page 15: ... Frequency 45 65 Hz 0 2 Active power 0 3600 MW 0 5 Reactive power 0 3600 MVAr 1 Apparent power 0 3600 MVA 1 Active energy 0 9999999 9 kWh Klasa 0 5S IEC62053 22 Reactive energy 0 9999999 9 kVArh 2 Phase angle 2 Total harmonic distortion of current and voltage total or individual from 2 63 harmonic 0 100 2 ...

Page 16: ...p j declares that the device is in conformity with the essential requirements of The Low Voltage Directive LVD 2014 35 EU and the Electromagnetic Compatibility EMC Directive 2014 30 UE The CE Declaration of Conformity along with the references to the standards in relation to which confor mity is declared can be found at www fif com pl on the product page Warranty CE declaration E200428 ...

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