Novatek-electro OM-310 User Manual Download Page 1

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NOVATEK-ELECTRO LTD
Research-and-Manufacture Company

POWER LIMITER

OM-310

USERS MANUAL

www.novatek-electro.com

Summary of Contents for OM-310

Page 1: ...NOVATEK ELECTRO LTD Research and Manufacture Company POWER LIMITER OM 310 USERS MANUAL www novatek electro com...

Page 2: ...ontrol Modes 13 2 2 2 Disabled keypad mode 14 2 2 3 MMSP mode 14 2 2 4 User level 14 2 2 5 Service Engineer Level 14 2 2 6 Restoring factory settings 15 2 3 OM 310 PRE OPERATION PROCEDURE 15 2 4 INTEN...

Page 3: ...OM 310 is possible via OM 310 Control Panel Software that can be downloaded from the Novatek Electro website http www novatek electro com production_ htm OM 310 Control Panel software is dedicated fo...

Page 4: ...ccuracy for wattage of rated wattage at most 5 Tripping threshold accuracy for current of rated current at most 2 Tripping threshold accuracy for voltage V at most 3 Phase imbalance detection accuracy...

Page 5: ...V 100 300 3 V 111 112 113 Power voltage RMS values V 100 450 5 114 115 116 Positive sequence voltage V 100 300 3 B 117 Negative sequence voltage V 3 300 3 B 118 Zero sequence voltage vector sum of thr...

Page 6: ...aggregate threshold calculation total power for all phases equals Pnn 154 Main threshold 50 150 110 155 Additional threshold 30 100 90 156 Time before load relay de energizing sec main threshold 0 300...

Page 7: ...3 2 0 1 0 171 Protection function permission 0 2 0 0 protection function prohibited 1 protection function permitted after tripping automatic reset prohibited 2 protection function permitted after trip...

Page 8: ...from Table 1 5 187 Min number of setting parameters mode ena ble 0 1 1 0 mode disabled 1 mode enabled The mode change is enabled in the service engineer mode only 188 Indication on OM 310 display pan...

Page 9: ...red LED SETUP glows when the relay is in parameter setup mode 2 green LED LOAD glows when the load relay is closed 3 green LED RELAY glows when the characterizing relay is closed 4 green LED MMSP mod...

Page 10: ...g it for connection of additional loading After 310 energizing after AR time parameter the load relay will close If during operation the active power consumed by the load crosses the main threshold fo...

Page 11: ...on which event a or b comes first If during operation the active power consumed by the load crosses the additional threshold line 1 figure 1 3 for a time period that is longer than assigned by parame...

Page 12: ...It is engaged when at least one of the phase current values reach the tripping threshold The protection has a time delay setting The delay can be independent constant or dependent SIT reverse depende...

Page 13: ...time assigned by parameter 1 2 6 6 Protection based on phase sequence order trips in case of phase sequence order fault or phase coin cidence it opens the load relay and locks its further operation 1...

Page 14: ...access mode When switching off the MMSP mode setting parameter 0 LED MMSP goes off In the user mode all parameters list is displayed but to change a parameter parform the following with DOWN and UP b...

Page 15: ...th 5A rated output current shall be connected in accor dance with Fig 2 1 For correct OM 310 operation the current transformers polarity must be observed 2 3 2 Run all three power phase cables through...

Page 16: ...h use of external CTs and at 2 characterizing relay operation in the mode of controlling additional load 2 4 INTENDED USE Note In the 310 operation description it is assumed that the protections descr...

Page 17: ...0 or within 15 sec and then phase A current 1 indication is displayed again 2 4 3 Characterizing relay operation Functions performed by the characterizing relay are defined by parameter When 0 the re...

Page 18: ...command code and DATA data symbols Data symbols format depends on command codes Command code 0x03 n words read For example read 2 continuous words swapped from 2102H in 310 initial address with 01H co...

Page 19: ...ode 08h diagnostics 08h function provides a number of tests for checking communication system between PC and OM 310 and for OM 310 integrity control The function uses the sub function field to specify...

Page 20: ...crc_chk unsigned char data unsigned char length int j unsigned int reg_crc 0xFFFF while length reg_crc data for j 0 j 8 j if reg_crc 0 01 reg_crc reg_crc 1 0xA001 LSB b0 1 else reg_crc reg_crc 1 retur...

Page 21: ...f the data transferred unsupported function code etc 310 receives the request frame and forms a response with the error indicator and code A high order function field bit inserted in the unit serves a...

Page 22: ...on in the remote control mode is defined by the parameter When 0 the load energize cutoff by means of remote breaker is prohibited When 1 310 with the open terminal of the S1 remote breaker fig 2 1 fu...

Page 23: ...olling performed by pressing UP and DOWN buttons To exit log view mode press RECORD RESET SELECT button or the log will close automatically after 30 sec since last button was pressed Fault information...

Page 24: ...e humidity when there are no fumes in the air that have a damaging effect on package and the equipment material The customer shall provide for the 310 equipment protection against mechanical dam age w...

Page 25: ...25 NOVATEK ELECTRO 310 APPENDIX 1 Dependent time delay current based protection types...

Page 26: ...26 310 NOVATEK ELECTRO...

Page 27: ...27 NOVATEK ELECTRO 310...

Page 28: ...28 310 NOVATEK ELECTRO...

Page 29: ...220 240 LYQ20DC12 6031007G 6131406HQ 6 1393099 3 6 1393099 8 6 1393122 4 6 1393123 2 6 1393767 1 6 1393843 7 6 1415012 1 6 1419102 2 6 1423698 4 6 1608051 6 6 1608067 0 6 1616170 6 6 1616248 2 6 16162...

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