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Table of Contents
Summary of Contents for HNC Electric HBU Series
- Page 1 HBU Series Braking Unit User’s Manual HNC Electric Limited...
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Page 2: Table Of Contents
Contents Preface..................3 Open-case inspection announcements........4 Simple test methods ..............4 Chapter 1 Safety Information...........6 1.1 Definition of safety............6 1.2 Installation and wiring announcements ......6 1.3 Caution ................7 1.4 Others ................7 Chapter 2 Product Models and Specification....8 2.1 Model Specifications ............8 2.2 Product Tech Specification ..........8 2.3 current temperature curve..........11 2.4 Product installation dimension ........12 Chapter 3 Product Installation guidance......16... - Page 3 Chapter 4 Description of operation Panel .......24 4.1 Operation panel illustration ...........24 4.2 Status Indication ............25 4.3 Description Digital display..........26 4.4 Descriptions of buttons..........27 4.5 Switch over between parallel sockets and master-slave mode ..................28 Chapter 5 Brake unit model selection ......29 5.1 Fast model selection for normal load ......29 5.2 Model selection of periodical braking load ....31 Chapter 6 Normal malfunction elimination ....33...
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Page 4: Preface
HBU Series Braking Unit Preface Thanks for choosing HBU series of dynamic braking units manufactured by HNC. HBU series of dynamic braking units are high performance brake products joint manufactured with Germany and Tongji University. Now these series are widely used in... -
Page 5: Open-Case Inspection Announcements
HBU Series Braking Unit Open-case inspection announcements Please check the following during introspection Wear out or not. If it is nameplate fit with your order. If the product and package have been checked strictly, please contact us or the dealer if missing something. - Page 6 HBU Series Braking Unit Pressure drop is infinity Pressure drop ranges between 300-600mV Remarks: Above test methods are only used to test whether module is good or not, not test full unit.
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Page 7: Chapter 1 Safety Information
HBU Series Braking Unit Chapter 1 Safety Information 1.1 Definition of safety This sign means operator will be in danger if operator does not follow guidance. This sign means it will cause damage or malfunction if operator does not follow guidance. -
Page 8: Caution
HBU Series Braking Unit Pole “+” & “– “of AC bus of braking unit cannot be reversely connected, or it would not work even damage the unit and related device, and might cause fire. Install braking unit in a well-ventilated environment, otherwise it can’t work well even be damaged. -
Page 9: Chapter 2 Product Models And Specification
HBU Series Braking Unit Chapter 2 Product Models and Specification 2.1 Model Specifications Table 2.1 Specifications of braking energy unit Model Usage Occasion Power Range Rated Peak Specifications Current Current General Mode HBU-1L dynamic raking 0.75-18KW HBU-1SA dynamic raking 22-37 KW... - Page 10 HBU Series Braking Unit Brake mode Automatic voltage trace Within 1mS, multiple noise filter Reaction time algorithm Operation Depend on different models voltage Hysteresis less than 10V voltage Control Protection Over-heat, over-current, short function circuit Overheat 75℃ protection Digit input port...
- Page 11 HBU Series Braking Unit There are power indicator & working indicator for all models. power indicator, Status indicator malfunctions indicator, fuse-break indicator brake-status indicator for some models in operation panel. Display and Some models with operation Operation Settings panels have operation parameters monitoring &...
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Page 12: Current Temperature Curve
HBU Series Braking Unit 2.3 current temperature curve Allowed maximum current changes when internal heat sink temperature of braking unit changes. Relationship between maximum current and temperature is shown as below. Table 2.1 Relation between current &temperature From above Table, allowed maximum current drops down when heat sink’s temperature is above 75 ℃... -
Page 13: Product Installation Dimension
HBU Series Braking Unit 2.4 Product installation dimension HBU-1L dimension... - Page 14 HBU Series Braking Unit HBU-1SA/3SA dimension...
- Page 15 HBU Series Braking Unit HBU-3HA/4HA/5HA/6HA dimension...
- Page 16 HBU Series Braking Unit Table 2.3 HBU series mechanical parameter list (unit: mm) External Installation Mounting dimension dimension Type hole size L*W*H L1*L2*L3 HBU-1L 215×135×65 200×32.5 M5×2 HBU-1SA 215×111×110 200×78 M6×4 HBU-3SA HBU-3HA 420×186×210 400*140 M6×4 HBU-4HA HBU-5HA HBU-6HA...
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Page 17: Chapter 3 Product Installation Guidance
Because of heat energy generated by braking unit itself, users must choose well-ventilated, heat dissipation and safe installation environment. Leave enough space around braking unit, minimum ventilation space is top & bottom 100mm, left & right 30mm. Table 3.1 Installation space requirements of HBU series... - Page 18 HBU Series Braking Unit To more than one braking units have to be installed in arrangement of up & down, vertical distance between each braking unit is 200mm at least, and plus stream-guided baffle to protect above braking unit from heat energy generated by underneath braking unit.
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Page 19: Braking Unit Terminal Arrangement In Major Loop
HBU Series Braking Unit Do not put braking resistor near the explosive & flammable stuffs, keep beyond the scope of touch. 3.2 Braking unit terminal arrangement in major loop 3.2.1 HBU-1L Brake unit terminal arrangement 3.2.2 HBU-1SA/3SA Brake unit terminal arrangement... -
Page 20: Major Loop Connecting Method
HBU Series Braking Unit 3.2.3 HBU-3/4/5/6HA Brake unit terminal arrangement 3.3 major loop connecting method 3.3.1 Power input terminals DC( ＋ ) & DC(-) are positive and negative input respectively for braking unit’s DC bus, please connect with positive and negative input of Inverter’s DC bus correctly. - Page 21 HBU Series Braking Unit 3.3.2 Brake unit, fault protection and ground terminal RL1 & RL2 are wiring terminals of braking unit, should be correctly connected with braking resistor. Braking resistor’s value & power should have been selected properly. NC1 & NC2 are main contact output of internal malfunction protection.
- Page 22 HBU Series Braking Unit 3.3.4 Identify of inverter DC bus terminals When HNC HBU series brake unit cooperate with inverter, please correctly connect braking unit’s DC input terminal DC （+） DC （-） with positive and negative terminal of inverter’s DC bus. Due to there are more than one major loop wiring terminal related with inverter’s DC bus, it is...
- Page 23 HBU Series Braking Unit “P” is external terminal for energy-assumption brake unit, positive terminal of DC bus. DC (+) should be connected with “P” terminal. Because of different inverter manufacturers making different power, actually quantity of terminals inverter provide may be different from what marked in the diagram Read user manual for inverter carefully to rightly find out inverter’s DC...
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Page 24: Wiring Specification Of Major Loop
HBU Series Braking Unit 3.4 wiring specification of major loop Table 3.1 wiring specification of major loop Models Rated Peak Section Specifications Current Current Copper cable HBU-1L 4 mm HBU-1SA 4 mm HBU-3SA 100A 10 mm HBU-3HA 150A 16mm HBU-4HA... -
Page 25: Chapter 4 Description Of Operation Panel
HBU Series Braking Unit Chapter 4 Description of operation Panel 4.1 Operation panel illustration Operation panel of HNC HBU-3HA/4HA/5HA brake units is consist of status indication, data display, and operation buttons and paralleled connected sockets, as below Table shows. Status Indication... -
Page 26: Status Indication
HBU Series Braking Unit Table 4.1 Operation panel of HBU-3HA/4HA/5HA *Except HBU-3HA/4HA/5HA series dynamic braking units, there is no operation panel for other HBU series dynamic braking units in this manual. 4.2 Status Indication There are five indicator lights for Status indication of HBU-3HA/4HA/5HA, each has its implication. -
Page 27: Description Digital Display
HBU Series Braking Unit fuse-break When light is on, fuse break inside FUSE indication braking unit master-slave When light is on, brake unit operate MAST status under master mode. Off under slave indication mode braking When light is on, brake unit is working indication 4.3 Description Digital display... -
Page 28: Descriptions Of Buttons
HBU Series Braking Unit Network voltage (Change the network voltage arbitrarily will cause changes of Rated voltage L 380 related parameters, please use with caution in.) Maximum A 300 Maximum current for brake unit current Operation P 675 Present operation voltage setting... -
Page 29: Switch Over Between Parallel Sockets And Master-Slave Mode
HBU Series Braking Unit within 5 seconds, display status will back to DC bus voltage, “SET” light is off If display operation voltage at present, keep pushing button “MON” for more than 2.5 seconds, enter to status of setting up operation voltage. At this time, light “SET” and character “P”... - Page 30 HBU Series Braking Unit When operate separately, brake unit must be set to master mode (default mode leaving factory), otherwise it will not work in normal. When operate in parallel, one and only one brake unit is set to master mode, others set to slave mode. Do not allow more than one master modes or set all to slave mode.
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Page 31: Chapter 5 Brake Unit Model Selection
HBU Series Braking Unit Chapter 5 Brake unit model selection Brake unit is electronic equipment which is designed working intermittently in short time. It has limitation to work with strong current for long time, so choosing a reasonable model will prevent brake unit from damage because of over-current and over-heat. - Page 32 HBU Series Braking Unit If braking period of speed regulating system is more than 200S and braking frequentness Kc<10% within one braking period, choose model from form 5.1 according to the load. When actual load with motor is less than 60% of power of motor, take it as light-load device.
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Page 33: Model Selection Of Periodical Braking Load
HBU Series Braking Unit 5.2 Model selection of periodical braking load As for load of periodical braking, using following ways choose suitable braking units. Confirm system’s peak braking current Imax 5.2.1 Peak braking current should be brake current which make sure system work properly and load get enough braking torque. - Page 34 HBU Series Braking Unit for load type are followed: Elevator Kc=10-15% Oil extraction machine Kc=10-20% Uncoil and coil Kc=50-60% Centrifugal machine Kc=5-20% Crane drop more than 100 meters Kc=20-40% Accidental braking Kc=5% Other Kc=10% (2)Confirm system’s average braking current Iav, which approx.
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Page 35: Chapter 6 Normal Malfunction Elimination
HBU Series Braking Unit Chapter 6 Normal malfunction elimination 6.1 Exist braking sound and overvoltage in inverter. Deceleration time of inverter is too short, postpone deceleration time Value of braking resistor is too big, re-calculate value of resistor and select brake unit. -
Page 36: Over-Current Protection Occurred During Braking
HBU Series Braking Unit 6.5 Over-current protection occurred during braking Value of braking resistor is too small, braking torque is too big, increase value of resistor or postpone deceleration time of inverter Wrong system design 6.6 Inverter could not get powered on ... -
Page 37: Chapter 7 Quality Guarantee
Chapter 7 Quality Guarantee ★ It is designed according to international standards, to make sure best quality is provided. ★Make sure lifespan is more than 10 years under condition of normally used. ★ Three guarantees for product quality are provided, which include return within one month, replacement within 3 months, and maintenance within 18 months, and permanent repair (free charge).
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