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Universal Measuring Device UMG 500A

Connection example

(Aron-connection)

switch closed: clear work
switch open:

measure

serial interface
RS 485

analogue output

floating
threshold
contacts

interface
converter
RS 485 -
RS 232

switch closed: remote
switch open:

local

auxiliary voltage
see nameplate

consumer

measured voltage
see nameplate

60 .. 250 V

3l
3k
2l
2k
1l
1k

50 mA .. 5.5
A

Содержание UMG 500 A

Страница 1: ...Universal Measuring Device UMG 500 A Janitza electronic GmbH Vor dem Polst ck 1 D 35633 Lahnau Tel 0 64 41 9642 0 Fax 0 64 41 9642 30 Doc No 1 010 006 1...

Страница 2: ...9 Real power 9 Mean real power 9 Measuring period 9 Remaining time 9 Reactive power 10 Real work 10 Reactive work 10 Frequency 10 Power factor 10 Harmonic wave content of voltage 10 Analogue output 1...

Страница 3: ...analogue output threshold contacts serial interface designed for networking Application 1 Peak values of harmonics are stored without date and time Construction features Universal Measuring Device UM...

Страница 4: ...1 to 3 or 4 to 6 If the reading falls below the min value programmed for the threshold function or rises above the max value the appropriate relay is activated The threshold values min and max can be...

Страница 5: ...onnect current path for L1 4 1 1 Switch on auxiliary voltage measured voltage and measured current 4 1 2 Using the operating keys of the UMG 500A cause the current in L1 to be displayed and compare it...

Страница 6: ...99 kV 0 5500 A 0 5500 A 0 9999 kW opt 0 00 99 99 MW 0 9999 kVA opt 0 00 99 99 MVA 0 9999 kvar 0 000 9999 kvarh 255 0 000 9999 kWh 255 48 00 62 00Hz 100 0 0 25 5 L2 L3 Sum 0 9999 kW Peak values L1 0 9...

Страница 7: ...by trained staff after a period of about 5 years The batteries have a design life of approx 8 to 10 years Batteries 2 off Lithium batteries voltage 3 V diameter 12 5 mm 2 5 mm thick Panasonic order c...

Страница 8: ...measurement function Erasing the accumulated work Restart of averaging power and current Summe sum Selection key sum With this key the sums of the measurement functions real power apparent power reac...

Страница 9: ...y service therealpowerisdisplayedwiththreedigitsas Asanoption theinstrumentcandisplaytherealpower in MW to two decimal places P U I Apparent power This function shows the apparent power of the measure...

Страница 10: ...ly after erasure If there is a power failure the time measurement will be interrupted Frequency This function displays the frequency of the voltage in L1 The unit of measurement is indicated by the LE...

Страница 11: ...al to or bigger than 500 if the maximum pulse frequency of 0 25 Hz should not be exceeded 0 20mA Analogue output Allocation In order to allocate a particular measuring function to the output the desir...

Страница 12: ...bed under Peak values but using key 5A instead of the function key for the corresponding measurement value In combination with the keys and the settings can be changed There is no automatic changeover...

Страница 13: ...at care must be taken to ensure that the parallel port of the PC 25 pin socket is not used because otherwise damage to the device can occur Alternatively a connecting cable 25 pin socket socket can be...

Страница 14: ...ng stations using the master slave principle i e the measuring stations never transmit independently only after being called up by the host system The protocol consists essentially of control characte...

Страница 15: ...digit kW kVA cos phi kWh 1 5 digit kvar kvarh 1 5 5 digit Harmonic wave content 10 10 digit Environment Operating temperature 10 C 45 C Storage temperature 20 C 60 C Humidity class F to DIN 40040 15...

Страница 16: ...ion switch closed clear work switch open measure serial interface RS 485 analogue output floating threshold contacts auxiliary voltage see nameplate consumer measured voltage see nameplate interface c...

Страница 17: ...4 wire switch closed clear work switch open measure serial interface RS 485 analogue output floating threshold contacts interface converter RS 485 RS 232 switch closed remote switch open local consume...

Страница 18: ...osed clear work switch open measure serial interface RS 485 analogue output floating threshold contacts interface converter RS 485 RS 232 switch closed remote switch open local auxiliary voltage see n...

Страница 19: ...ive ground terminal and is suited for applications in overvoltage category III and contamination level 2 EN 55011 06 1992 RFI product standard Group 1 Class B residential and commercial premises EN 50...

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