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   NOVATEK-ELECTRO LTD  

        Intelligent Industrial Electronics  

 

 

 

UNIVERSAL MOTOR PROTECTION 

 

UNIT 

 

UBZ-305 

 
 

 
 
 

OPERATION MANUAL

 

TECHNICAL PASSPORT 

 
 
 
 

 

The quality management system of production complies with the requirements of  

DSTU ISO 9001:2009 (ISO 9001:2008), No. UA 2.032.7110-12 

 

 
 
 
 
 

Odessa                                                                       www.novatek-electro.com 

 

Содержание UBZ-305

Страница 1: ...ctronics UNIVERSAL MOTOR PROTECTION UNIT UBZ 305 OPERATION MANUAL TECHNICAL PASSPORT The quality management system of production complies with the requirements of DSTU ISO 9001 2009 ISO 9001 2008 No U...

Страница 2: ...ection for motor phase s break loss 20 2 4 15 Serviceability check of external magnetic starter 20 2 5 Selection of current transformers 20 3 UBZ DESIGN 21 4 SAFETY PRECAUTIONS 21 5 INTENDED USE 21 5...

Страница 3: ...ons logbook 37 5 8 Motor control on UBZ front panel 37 5 9 Motor control using analog inputs 38 6 COMPONENTS 38 7 MAINTENANCE 38 8 TRANSPORTATION AND STORAGE 38 9 SERVICE LIFE SHELF LIFE AND MANUFACTU...

Страница 4: ...ettings it is used in phrases as MNS mode or MNS list I t Rated current of CT it is set when external CTs using e g if C is of 0 66 300 5 type then I t equals to 300A In Rated current of the motor As...

Страница 5: ...304 305 Control Panel program is designed to monitor the status and collect data of the UBZ 305 unit via RS 232 or RS 485 communication interfaces MODBUS Protocol The program allows for saving loadin...

Страница 6: ...it flashes when the motor is in conditions of over current or thermal overload but relay off time has not come yet 6 Blue LED is on when data exchange with PC occurs 7 Connector for UBZ to a PC via R...

Страница 7: ...type or similar input to connect differential current transformer zero sequence transformer input to measure current of 0 20 mA input to measure voltage of 0 10 V Main outputs load relay two groups o...

Страница 8: ...Measured and Calculated Parameters Measurement functions Range Accu racy Mnemonic Address Data transfer units Currents Effective values of phase currents A 0 5 6300 2 Phase i1 Phase i2 Phase i3 30 31...

Страница 9: ...Cos C 68 Temperature of transmitter 15 C minus 40 80 1 C Temp dat 1 69 5000 transmitter is off 1000 10 s c of transmitter 2000 10 transmitter breakout Temperature of transmitter 25 C minus 40 220 1 C...

Страница 10: ...t relative to rated motor current it is used at Type Imax indep 155 Current protection delay tripping s Imax delay 0 3 600 10 0 156 Permit for protection operation Imax protec 0 2 2 0 Off protection i...

Страница 11: ...current protection in of installed rated one 170 Tripping delay s Imin delay 1 100 5 171 Permit for protection operation Imin protec 0 2 2 0 Off protection is off 1 OnnAR protection is on ARS after tr...

Страница 12: ...187 Permit for protection operation Phase Loss Prot 0 2 1 0 Off protection is off 1 OnnAR protection is on ARS after tripping is disable 2 On AR protection is on ARS is enabled 188 Frequency protectio...

Страница 13: ...after ARS time 2 OffSt remote control is enabled motor start after UBZ energizing is disabled until the command for remote energizing 200 Temperature control Permit for temperature control and type of...

Страница 14: ...otor motor insulation resistance Insulation mains frequency Frequency 212 Parameter display mode Indicat mode 0 1 0 0 Conti the parameter value is displayed continuously 1 15s the parameter value is d...

Страница 15: ...nnection 3 StpnA warning and motor stop with ARS disabled after restoring the connection 224 Detection of response overtime s Overexce eding 0 120 0 0 It is disabled 225 Permit of UBZ communication vi...

Страница 16: ...it is off when the voltage is less than the lower threshold 239 Entry in faults logbook Input U log 0 1 0 0 OffWr motor cutoff is considered the fault but not recorded in the fault logbook 1 OnWr moto...

Страница 17: ...ant of the protection operation corresponds to time delay of tripping for 10 In For very large currents the protection has a feature with definite time delay Fig 2 3 Principle of protection with depen...

Страница 18: ...2 4 5 Minimum phase current protection it is enabled when the currents of all three phases drops lower than the set point Imin tresh parameter and stops the motor when this drop time is more than the...

Страница 19: ...the motor is stopped After the load relay disabling owing to thermal overload with ARS permitted the relay will be enabled again after the time more than the maximum of the two values time of thermal...

Страница 20: ...e specified by Uimbal delay parameter 2 4 10 Phase sequence protection Correct phase parameter is enabled in case of improper phase sequence it disables the motor and blocks its further operation 2 4...

Страница 21: ...THE UNIT INDEPENDENTLY TO OPERATE THE UNIT WITH MECHANICAL DAMAGES OF THE HOUSING TO PENETRATE MOISTURE ON CONTACTS OF TERMINAL BLOCKS AND THE INTERNAL ELEMENTS OF THE UNIT 5 INTENDED USE 5 1 SAFETY...

Страница 22: ...ccordance with Fig 5 12 3 Programs developed by the user are allowed to be used for operation with UBZ 5 2 6 In case of MODBUS usage connect the communication lines to terminals 10 GND 11 line B RS 48...

Страница 23: ...t breaker at a maximum current of 6 3 A T1 T3 Current transformer output 5 A T4 Differential transformer Fig 5 2 UBZ Connection Diagram 5 3 UBZ Control 5 3 1 Modes of UBZ control and status UBZ has fi...

Страница 24: ...fter which ARS is disabled 3 AR 350 15 30 17 in case if the fault occurred and ARS is possible ARS time account is on 350 s left to ARS In the second and third variant information of the fourth line o...

Страница 25: ...transfer to the MNS mode after reset to factory settings it 5 3 7 5 3 5 Mode of User level When UBZ unit is in the user level mode led MMSP is off To view and change the parameters of user level you s...

Страница 26: ...it is required the following using DOWN and UP buttons select the parameter Fig 5 9 enter the menu where setting is changed by pressing SETUP button press both buttons SETUP and DOWN In case of restri...

Страница 27: ...of UBZ it is assumed that this protection is enabled and all the required sensors are connected 5 4 1 UBZ operation before load relay on 5 4 1 1 UBZ operation after energizing first start up After ene...

Страница 28: ...he indicator can display phase currents of motor or group of three two parameters selected by the user Table 2 5 The group of parameters selected by the user can be displayed constantly Indicat mode C...

Страница 29: ...ed Off enabled On factory setting is Off number of stop bits parameter Stop bit 1 or 2 factory setting is 2 ATTENTION CHANGES OF THE COMMUNICATION SETTINGS EXCEPT THE UNIT ADDRESS WILL BE EFFECTIVE ON...

Страница 30: ...ission data and control of data is based on the Table 5 3 5 5 4 2 Command for reading the register group Command code 0x03 reading n words For example reading of continuous 2 words from starting addre...

Страница 31: ...low 0x89 CRC CHK low 0x89 CRC CHK high 0x56 CRC CHK high 0x56 5 5 4 4 Command for diagnostics Command code 08h diagnostics The 08h function provides a number of tests for checking the communication sy...

Страница 32: ...ments Unsigned char data a pointer to the message buffer Unsigned char length the quantity of bytes in the message buffer The function returns the CRC value as a type of unsigned integer Unsigned int...

Страница 33: ...ult code as per Table 5 12 Parameter value N 1000 N 1 5 1 Parameter value as per Table 5 12 Fault time N 1000 N 1 5 2 Low byte seconds high byte minutes 1000 N 1 5 3 Low byte hours high byte day of mo...

Страница 34: ...n in remote control mode is determined by parameter MotorOp RS 2 5 When MotorOp RS 2 5 equal to Off 0 remote control of the motor is disabled With activated remote control parameter MotorOp RS 2 5 equ...

Страница 35: ...mand UBZ RESTART is fulfilled after record of command code 88 in the command register Table 5 11 via RS 232 RS 485 interface After receiving Command UBZ RESTART UBZ does not return confirmation of rec...

Страница 36: ...rent 100 303 3 901 3 Negative sequence current I2 rev Negative sequence current 304 4 901 4 Minimum phase current I min 305 5 901 5 Delayed start LongStart Current 306 6 901 6 Rotor blocking Block Rot...

Страница 37: ...n its memory the code of the fault the value of the parameter on which the fault occurred and time of occurrence Note The fault time is determined by internal clock of UBZ Number of simultaneously sto...

Страница 38: ...with PC via RS 232 type 01 1 Temperature transmitter types Pt100 Ni100 Ni120 It is delivered upon agreement with the Customer 7 MAINTENANCE 7 1 SAFETY PRECAUTIONS TO ENSURE SAFE OPERATION OF THE UNIT...

Страница 39: ...uirements of current technical documentation and is fit for service Seal Head of QCD ___________________ Date of manufacture _____________ 11 CLAIMS DATA ______________________________________________...

Страница 40: ...40 UBZ 305 NOVATEK ELECTRO Appendix CURRENT PROTECTION WITH DEPENDENT TIME DELAY mandatory...

Страница 41: ...41 NOVATEK ELECTRO UBZ 305...

Страница 42: ...or control via RS 232 RS 485 interface It is strictly forbidden to shutdown the motor by external machine the starter without UBZ de energizing As an exception it is allowed after the motor is switche...

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