janitza MRG 512 PQ Flex Operation Manual Download

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Doc. no. 2.054.018.1 Subject to technical changes.

Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau
Support tel. +49 6441 9642-22
Fax +49 6441 9642-30
E-mail: info@janitza.com
Internet: http://www.janitza.com

www

.janitza.com

Mobile universal measurement device

MRG 512 PQ Flex

Supplementary description to the
operation manual UMG 512

Summary of Contents for MRG 512 PQ Flex

Page 1: ...s GmbH Vor dem Polstück 6 D 35633 Lahnau Support tel 49 6441 9642 22 Fax 49 6441 9642 30 E mail info janitza com Internet http www janitza com www janitza com Mobile universal measurement device MRG 512 PQ Flex Supplementary description to the operation manual UMG 512 ...

Page 2: ...ly basic device 4 Connecting the measurement case 4 Reading out recordings 5 MRG 512 PQ Flex views 5 Measurement transformer settings 6 Example connection voltage measurement 7 Example connection current measurement 7 Schematic diagram MRG 512 PQ Flex design 8 Technical data 9 2 ...

Page 3: ...ce Do not work with the device if the front plate has been removed Otherwise you may come into contact with hazardous voltages It is not permitted to use the device with the front plate removed The UMG 512 is not suitable for measuring DC voltages Measured voltages and measured currents must derive from the same network Voltages outside the rated range could destroy the measurement case Incorrect ...

Page 4: ... Janitza electronics GmbH Tel no 49 6441 9642 22 This device must only be operated and repaired by specialised personnel Connecting the measurement case 1 Connect the mains cable to the measurement case 1 and connect to 230 V 50 Hz Switch on the measurement case via the on off switch 2 The Mains OK 3 and Batt OK 4 LEDs illuminate 2 Carry out basic settings on the UMG 512 5 e g Voltage transformer ...

Page 5: ...ement 2 Net Ok Batt Ok I O Differenzstrommess I 5 I 6 Eth AUX UMG 512 Netz Ok Batt Ok I O Residual current transformer I 5 I 6 Ether AUX U L1 U L2 U L3 U L4 U N L4 L1 L2 L3 N Spannungseingänge Differenzstrommessung I 5 I 6 I L1 I L2 Ethernet AUX I L3 I N Stromwandlereingänge L4 L1 L2 L3 N Voltage inputs Residual current transformer inputs I 5 I 6 I L1 I L2 Ethernet AUX I L3 I N Current transformer...

Page 6: ... 400 A 6 630 A 5 1000 A 4 1500 A 3 2000 A 2 4000 A 1 Setting Rogowski coil 300 mm Flex CT 1A 300 mm Set the current measurement range with the DIP switch 2 in accordance with the table Potentiometer 1 DIP switch 2 6 The transformer ratio should be adapted in the UMG 512 measurement device too in accordance with the table Change the settings by means of the GridVis software or by entries on the dev...

Page 7: ...th fuse Max 20mm Locking sleeve with bayonet catch for accommodating a fuse Example connection current measurement N L1 L2 L3 PE I1 I2 I3 IN I5 I6 Voltage measurement terms connections Rogowski coil RCM measurement cable Residual current transformer not included in the scope of deliverables ...

Page 8: ...rrect setting of the current transformer check the performance values of the individual phases these must not possess any negative signs when drawing energy Also check the power factor for plausibility Turn the current transformer if necessary Up to 2 residual current measurements can be selected c Attention Fatal hazard due to electrical energy High voltage spikes that are dangerous to touch can ...

Page 9: ...pply 230 V 50 Hz 50 VA Interface Ethernet Measurement inputs See UMG 512 operating instructions Measurements See UMG 512 operating instructions UPS buffering Up to 3 h Dimensions L x W x H 500 mm x 390 mm x 230 mm Weight 14 2 kg ...

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