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NOVATEK-ELECTRO

                                                                                                                                                       

ОМ-310

 

Table 2.8

  -  Fault codes 

                                                                                                     

Fault description 

Fault mne-
monic 

Parameter value 

Parameter 
value reg-
ister ad-
dress 

Fault 
code 
 

Register 
address 
bit 

 

de-energizing based on main 
threshold crossing 



Main threshold value 
in 100* W 

300 

241:0 

additional threshold crossing  



additional threshold 
value in 100* W 

301 

241:1 

maximum phase current fault 



maximum phase cur-
rent 

302 

241:2 

against line-to-earth fault 
(based on zero sequence 
current) 



zero sequence current 

303 

241:3 

currents present when load 
relay is de-energized (contac-
tor fault)  



current  

304 

241:4 

phase sequence order fault 



 

 

241:5 

minimum line voltage fault 





voltage 

306 

241:6 

maximum line voltage fault 





voltage 

307 

241:7 

phase imbalance fault 



 

imbalance  

308 

241:8 

 remote control channel fault 



 

 

241:9 

emergency load de-energize, 
automatic restart not possible 



 

 

10 

241:10 

emergency de-energize of load 
, automatic restart possible by 
simultaneous pressing buttons 
UP and DOWN 



 

 

11 

241:11 

Emergency load de-energizing 
by the remote breaker 



 

 

12 

241:12 

 
The SETUP LED will start to flicker, and the 

ОМ

-310  indicator panels will display line 1 from Table 2.9. Log 

scrolling 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 is displayed on 

ОМ

-310  device indicators as shown below in  table 2.9. 

 

Table 2.9

 

 

Mnemonic indicator output 

Value indicator output 



” 

number of log record (1- latest record) 

XXX – fault mnemonic according 
to table 2.8 

YYY - parameter value  according to table 2.8 
(if parameter value is negative, “----“ is displayed) 

XXX  - hours since fault 

YY  - number of minutes since fault occurrence 

 

2.4.9 Load start/cutoff control with use of OM-310 front panel 

Depending on the 



  parameter value, the 

ОМ

-310 load relay can be controlled by pressing buttons UP and 

DOWN simultaneously (unless 

ОМ

-310 is in keypad lock-up mode): 



=0 – no response; 



=1 (load energizing permitted) – load relay will close, if AR time has not expired; 

 



=2 ( emergency load de-energize) –load relay will open and produce “



” fault code.  Load restart is possi-

ble after disconnecting and re-connecting power to OM-310; 



=3 (load energizing and de-energizing permitted) – load relay will open and produce “



” fault code. To 

close, press UP and DOWN buttons again.

 

 

N

 

o

 

t

 

e

 -

When parameters “



=0”  (after power-on, load is energized manually via 

ОМ

-310 control panel) 

and “



=0” (load energizing manual control forbidden) are selected, the load relay will not close.

 

 
 
 
 
 
 

Содержание OM-310

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 26: ...26 310 NOVATEK ELECTRO...

Страница 27: ...27 NOVATEK ELECTRO 310...

Страница 28: ...28 310 NOVATEK ELECTRO...

Страница 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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