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User Manual - LPRA 1107 (edition 1.0.0)

1. 4 Remote control inputs 5 Motorthermistorinput_ 6 Relay outputs is ls M D 3 99 p xb p 13 14 Relay output A E 21 22 24 Relay output B 21 33 34 Relay output C 08880 A Parameter settings e Parameter 6D Input A Function e Select Input Trip N O Assigns the Input A to Auxiliary Trip N O function e Parameter 6E nput A Name e Select a name eg Low Pressure Assigns a name to Input A e Parameter 4E Input A Trip e Setas required For example Run Only limits the input trip to when the soft starter is running only e Parameter 5E Input A Trip Delay e Setas required Sets a delay between the input activating and the soft starter tripping e Parameter 5F Input A Initial Delay e Set at around 120 seconds Limits operation of the input trip to 120 seconds after the start signal This allows time for pressure to build up in the piping before the low pressure input becomes active CMG Aurora LPRA 1106 edition 1 0 0 61 DC Brake with External Zero Speed Sensor For loads which may vary between braking cycles there are benefits in using an external zero speed sensor to interface with the Aurora LPRA for brake shut off This control method ensures that the Aurora LPRA braking will always shut off when the motor has reached a standstill thus avoiding unnecessary motor heating The following schematic diagram shows how
2. 690 V Default 400 V Description Sets the nominal mains voltage for the keypad s monitoring functions This is used to calculate motor kilowatts and kilovolt amperes kVA but does not affect the Aurora LPRA s motor control or protection 10J Display A or kW Options Current Default Motor kW Description Selects whether the Aurora LPRA will display current amperes or motor kilowatts on the main monitoring screen 15 Restricted 15A Access Code Range 0000 9999 Default 0000 Description Sets the access code to control access to restricted sections of the menus Use the EXIT and ENTER buttons to select which digit to alter and use the A and W buttons to change the value NOTE IN In the event of a lost access code contact your supplier for master access code that allows you to re program a new access code 15B Adjustment Lock Options Read amp Write Allows users to alter parameter values in the Programming Menu Default Read Only Prevents users altering parameter values in the Programming Menu Parameter values can still be viewed Description Selects whether the keypad will allow parameters to be changed via the Programming Menu 15C Emergency Run Options Disable Default Enable Description Selects whether the soft starter will permit emergency run operation In emergency run the soft starter will start if not already running and continue to operate until emergency run ends ig
3. NOTE NIS LPRA 0023B to LPRA 0053B and LPRA 0170B do not have a cooling fan Models with fans will operate the cooling fans from a Start until 10 minutes after a Stop Related parameters 16J INPUT A TRIP Identify and resolve the condition which caused Input A to activate Related parameters 4E 5E 5F 6D 6E 16E INSTANTANEOUS The motor has experienced a sharp rise in motor current probably caused by a locked QUERCURRENT rotor condition shearpin while running This may indicate a jammed load Related parameters 4D 5D 16D INTERMAL FAULT The Aurora LPRA has tripped on an internal fault Contact your local supplier with the fault code X Related parameters None Li PHASE LOs During pre start checks the starter has detected a phase loss as indicated L2 PHASE LOSS In run state the starter has detected that the current on the affected phase has dropped L PHASE LOSS below 3 3 of the programmed motor FLC for more than 1 second indicating that ion Ug ga HJ Y tr L E 68 CMG Aurora LPRA 1106 edition 1 0 0 Display Possible cause Suggested solution Li Ti SHORTED Lz T2z SHORTED L3 T3 SHORTED LOW CONTROL VOLTS MOTOR OVERLOAD THERMAL MODEL MOTOR 2 OVERLOAD MOTOR CONNECTION MOTOR THERMISTOR HETHORE COMMUNICATION CBETHEEH MODULE AND HETHORE PARAMETER OUT OF RANGE PHASE SEQUENCE POWER LOSS either the incoming phase or connection to the motor has been lost Check the supply and the inp
4. 4 When the thermal model has been reset the screen will display a confirmation message then return to the previous screen CAUTION Resetting the motor thermal model may compromise motor life and should only be done in the case of emergency 56 CMG Aurora LPRA 1106 edition 1 0 0 Logs Menu The Logs Menu provides information on events trips and starter performance To open the Logs Menu press the LOGS button To navigate through the Logs Menu e to open a log press the ENTER button e to scroll through the entries in each log press the A and W buttons e io view details of a log entry press the ENTER button e toreturn to the previous level press the EXIT button e toclose the Logs Menu press EXIT repeatedly Trip Log The Trip Log stores details of the eight most recent trips including the date and time the trip happened Trip 1 is the most recent and trip 8 is the oldest stored trip To open the Trip Log 1 Open the Logs Menu 2 Scrollto Trip Log and press ENTER 3 Usethe A and W buttons to select a trip to view and press ENTER to display details To close the log and return to the main display press EXIT repeatedly Event Log The Event Log stores time stamped details of the starter s 99 most recent events actions warnings and trips including the date and time of the event Event 1 is the most recent and event 99 is the oldest stored event To open the Event Log 1 Open the Logs Menu 2 Scroll
5. U UJ 5 I gt o Dv eo o UJ Ferraz Fuses AJT SCR I t A s Supply Voltage Supply Voltage Supply Voltage lt 440 VAC lt 575 VAC lt 690 VAC 320000 AJT175 AJT175 320000 AJT200 AJT200 320000 AJT400 AJT400 320000 AJT450 AJT450 Not suitable 125000 AJT150 AJT150 320000 AJT300 AJT300 1200000 A4BQ800 A4BQ800 A4BT1100 A4BT1100 12500000 A4BQ2500 A4BQ2500 A4BT1800 A4BT1800 5 I gt o N o o O 5 I de o o w o O 5 I gt o o O 5 wv T A o O 5 I gt gt eo e O 24 CMG Aurora LPRA 1106 edition 1 0 0 Operation Keypad and Feedback The Keypad CMG SOLUTIONS not just products Four line display for status and programming details LOCAL REMOTE Toggle between Local and Remote control STATUS Open the status displays and scroll between different status screens GRAPHS Open the performance graphs and scroll between different graph screens LOGS Open the logs Soft starter local control buttons START Start the motor STOP Stop the motor RESET Reset a trip Local mode only 4 Starter status LEDs see below for details AURORA SOFT STARTER LOCAL REMOTE Menu navigation buttons EXIT Exit the menu or parameter or cancel a parameter change ENTER Enter a menu or parameter or save a parameter change A WY Scroll to the next or previous menu or parameter change the setting of the current parameter or scroll through the stat
6. Mi BEES Programmable screen The Aurora LPRA s user programmable screen can be configured to show the most important information for the particular application Use parameters 10B to 10E to select which information to display READ BEER HES Motor Temperature The temperature screen shows which motor data set is in use and the temperature of both motors as a percentage of total thermal capacity If the Aurora LPRA is configured for use on one motor the temperature for the secondary motor M2 will always show 0 PRIMARY MOTOR SET gt Hi aaax H2 aa Current The current screen shows real time line current on each phase PHASE CURRENTS Motor Power The motor power screen shows motor power KW HP and kVA and power factor pianaHrF Last Start Information The last start information screen shows details of the most recent successful start e start duration seconds e maximum start current drawn as a percentage of motor full load current e calculated rise in motor temperature LAST START BIB S 350 FLC A TEMP 5 Date and Time The date time screen shows the current system date and time 24 hour format For details on setting the date and time refer to Set Date and Time on page 55 SCR Conduction Bargraph The SCR conduction bargraph shows the level of conduction on each phase 26 CMG Aurora LPRA 1106 edition 1 0 0 Graphs The Aurora LPRA can display real time performance informati
7. Left Starter State 10C User Screen Top Right Blank 10D User Screen Bottom Left Hours Run 10E User Screen Bottom Right Blank 10F Graph Timebase 10 Seconds 10G Graph Maximum Adjustment 40096 10H Graph Minimum Adjustment 096 101 Mains Reference Voltage 400 V 10J Display A or kW Current 15 Restricted 15A Access Code 0000 15B Adjustment Lock Read amp Write 15C Emergency Run Disable 15D Current Calibration 10096 15E Shorted SCH Action 3 Phase Control Only 15F Jog Torque 5096 15G Brake Torque 2096 15H Brake Time 00 01 mm ss 15 Brake Torque 2 2096 15J Brake Time 2 00 01 mm ss 16 Trip Actions 16A Motor Overload Trip Starter 16B Current Imbalance Trip Starter 16C Undercurrent Trip Starter 16D nstantaneous Overcurrent Trip Starter 16E nput A Trip Trip Starter 16F Frequency Trip Starter 16G Motor Thermistor Trip Starter 16H Excess Start Time Trip Starter 16l Starter Communication Trip Starter 16J Heatsink Overtemperature Trip Starter 16K Battery Clock Trip Starter 40 CMG Aurora LPRA 1106 edition 1 0 0 Default Setting 16L Network Communication Trip Starter Parameter Descriptions 1 Motor Details 1A Motor FLC Range Model dependent Description Matches the starter to the connected motor s full load current Set to the full load current FLC rating shown on the motor nameplate 1B Locked Rotor Time Range 0 01 2 00 minutes seconds Default 10 seconds Description Sets the maximum le
8. Operation In normal operation the Aurora LPRA is controlled via a remote two wire signal terminals 56 57 Emergency Run is controlled by a two wire circuit connected to Input A terminals 53 55 Closing Input A causes the Aurora LPRA to run the motor and ignore certain trip conditions 1 j Threephasesuppy 2 Motor terminals 3 Control voltage 4 Remote control inputs 5 Motor thermistor input 6 Relay outputs 33 34 Relay output C 08879 A Parameter settings e Parameter 6D Input A Function e Select Emergency Run assigns Input A to Emergency Run function e Parameter 15C Emergency Run e Select Enable Enables the Emergency Run mode NOTE NM Although the Emergency Run satisfies the functionality requirements of Fire Mode CMG does not recommend its use in situations that require testing and or compliance with specific standards as it is not certified 60 CMG Aurora LPRA 1106 edition 1 0 0 Auxiliary Trip Circuit In normal operation the Aurora LPRA is controlled via a remote two wire signal terminals 56 57 Input A terminals 53 55 is connected to an external trip circuit such as a low pressure alarm switch for a pumping system When the external circuit activates the soft starter trips which stops the motor os 1 Threephasesuply 2 Motorterminals S3 Contolvotage
9. V pf 1000 Motor kVA 96 Motor kilovolt amperes V3 multiplied by average phase current multiplied by mains reference voltage parameter 101 V3 1 V 1000 Motor pf Motor power factor measured by the soft starter Description Selects which information will be reported via the analog output 8B Analog A Scale Options 0 20 mA 4 20 mA Default Description Selects the range of the analog output CMG Aurora LPRA 1106 edition 1 0 0 49 8C Analog A Max Adj Range 096 60096 Default 100 Description Calibrates the upper limit of the analog output to match the signal measured on an external current measuring device 8D Analog A Min Adj Range 0 600 Default 0 Description Calibrates the lower limit of the analog output to match the signal measured on an external current measuring device 9 Auto Reset The Aurora LPRA can be programmed to automatically reset certain trips which can help minimise operating downtime Trips are divided into three categories for auto reset depending on the risk to the soft starter Group A Current Imbalance Phase loss Power loss Mains frequency B Undercurrent Instantaneous overcurrent Input A trip C Motor overload Motor thermistor Starter overtemperature Other trips cannot be automatically reset This function is ideal for remote installations using 2 wire control in Remote mode If the 2 wire start signal is present after an auto reset the Aurora LPRA will resta
10. assembly to the body of the starter see note Run all wiring to the side of the starter and secure with cable ties Run all wiring to the side of the starter and secure with cable ties NOTE IN If moving the input bus bars the current transformers CTs must also be reconfigured 1 Label the CTs L1 L2 and L3 L1 is leftmost when looking from the front of the starter Remove the cable ties and unscrew the CTs from the bracket 2 Move the CT bracket to the top of the starter screw the CTs to the bracket Position the CTs for the correct phases then For models LPRA 0360C LPRA 0930C the CTs must be placed on an angle the left hand legs of each CT will be on the top row of holes and the right hand legs will be on the bottom tabs CMG Aurora LPRA 1106 edition 1 0 0 75 76 CMG Aurora LPRA 1106 edition 1 0 0 HEAD OFFICE 19 Corporate Ave PO Box 2340 Rowville VIC 3178 AUSTRALIA info cmggroup com au Tel 61 0 3 9237 4000 Fax 61 0 3 9237 4010 AUSTRALIA Sales 1300 888 853 Support 1800 676 722 www cmggroup com au CMG Pty Ltd ABN 99005 118 114 VICTORIA 19 Corporate Ave Rowville VIC 3178 Tel 61 0 3 9237 4040 Fax 61 0 3 9237 4050 NEW SOUTH WALES 8 26 Powers Road Seven Hills NSW 2147 Tel 61 0 2 9674 1555 Fax 61 0 2 9674 4652 NORTH NEW SOUTH WALES 13B Old Punt Road Tomago NSW 2322 Tel 61 0 2 4016 1780 Fax 61 0 2 4016 1785 QUEENSLAND 1 6 8 Radium Stre
11. edition 1 0 0 71 The soft starter does not control Start performance may be unstable when using a low Motor Full Load the motor correctly during starting Current setting parameter 1A This can affect use on a small test motor with full load current between 5 A and 50 A Power factor correction PFC capacitors must be installed on the supply side of the soft starter To control a dedicated PFC capacitor contactor connect the contactor to run relay terminals Motor does not reach full speed If the start current is too low the motor will not produce enough torque to accelerate to full speed The soft starter may trip on excess start time NOTE Make sure the motor starting parameters are appropriate for the application and that you are using the intended motor starting profile If parameter 6D or 4D is set to Motor Set Select check that the corresponding input is in the expected state e The load may be jammed Check the load for severe overloading or a locked rotor situation Erratic motor operation e The SCRs in the Aurora LPRA require at least 5 A of current to latch If you are testing the soft starter on a motor with full load current less than 5 A the SCRs may not latch correctly Soft stop ends too quickly e The soft stop settings may not be appropriate for the motor and load Review the settings of parameters 2H 2l 3H and 31 e Ifthe motor is very lightly loaded soft stop will have limited effect Adaptive Control bra
12. keypad faceplate then gently remove the keypad 2 screws 4 Remove the control terminal plugs 5 Gently fold the main plastic away from the starter 12 screws 6 Unplug the keypad loom from CON 1 see note 7 Label each SCR firing loom with the number of the corresponding terminal on the backplane PCB then unplug the looms 8 Unplug the thermistor fan and current transformer wires from the model board 9 Remove the plastic tray from the starter four Screws NOTE A Remove the main plastic slowly to avoid damaging the keypad wiring loom which runs between the main plastic and the backplane PCB 10 Unscrew and remove the magnetic bypass plates models LPRA 0620C to LPRA 1600C only 11 Remove the current transformer assembly three screws 12 Identify which bus bars are to be moved Remove the bolts holding these bus bars in place then slide the bus bars out through the bottom of the starter four bolts per bus bar 74 CMG Aurora LPRA 1106 edition 1 0 0 08606 A 13 14 15 16 Slide the bus bars in through the top of the starter For input bus bars the short curved end should be outside the starter For output bus bars the unthreaded hole should be outside the starter Replace the dome washers with the flat face towards the bus bar then tighten the bolts holding the bus bars in place to 20 Nm Place the current transformer assembly over the input bus bars and screw the
13. temperature flag activates refer to parameter 7L Motor Temperature Flag Description Selects the function of Relay A normally open 7B 7C Relay A Delays The Aurora LPRA can be configured to wait before opening or closing Relay A Parameter 7B Relay A On Delay Range 0 00 5 00 minutes seconds Default 0 seconds Description Sets the delay for closing Relay A Parameter 7C Relay A Off Delay Range 0 00 5 00 minutes seconds Default 0 seconds Description Sets the delay for re opening Relay A 7D 71 Output Relays B amp C Parameters 7D 71 configure the operation of Relays B and C in the same way as parameters 7A 7C configure Relay A Refer to Relay A for details Relay B is a changeover relay e 7D Relay B Function Default Run e 7E Relay B On Delay e 7F Relay B Off Delay Relay C is normally open e 7G Relay C Function Default Trip e 7H Relay C On Delay e 7l Relay C Off Delay 48 CMG Aurora LPRA 1106 edition 1 0 0 7J 7K Low Current Flag and High Current Flag The Aurora LPRA has low and high current flags to give early warning of abnormal operation The current flags can be configured to indicate an abnormal current level during operation between the normal operating level and the undercurrent or instantaneous overcurrent trip levels The flags can signal the situation to external equipment via one of the programmable outputs The flags clear when the current returns within the normal op
14. the circuit ends emergency run and the Aurora LPRA stops the motor The Aurora LPRA can be commanded to emergency stop the motor ignoring the soft stop mode set in parameter 2H When the circuit across 53 55 is opened the soft starter allows the motor to coast to stop Activates jog operation in a forward direction will operate only in Remote mode Activates jog operation in reverse direction will operate only in Remote mode Description Selects the function of Input A 6E Input A Name Options Input Trip Default No Flow Low Pressure Emergency Stop High Pressure Controller Pump Fault PLC Low Level Vibration Alarm High Level Description Selects a message for the keypad to display when Input A is active CMG Aurora LPRA 1106 edition 1 0 0 47 7 Relay Outputs 7A Relay A Function Options Off Relay A is not used Main Contactor Default The relay closes when the Aurora LPRA receives a start command and remains closed as long as the motor is receiving voltage Run The relay closes when the starter changes to run state Trip The relay closes when the starter trips Warning The relay closes when the starter issues a warning Low Current Flag The relay closes when the low current flag activates refer to parameter 7J Low Current Flag High Current Flag The relay closes when the high current flag activates refer to parameter 7K High Current Flag Motor Temp Flag The relay closes when the motor
15. the soft starter does not operate as expected but does not trip or give a warning Soft starter does not respond to e Ifthe soft starter does not respond to the START or RESET button on commands the keypad The soft starter may be in Remote control mode When the soft starter is in Remote control mode the Local LED on the starter is off Press the LOCAL REMOTE button once to change to Local control e If the soft starter does not respond to commands from the control inputs The soft starter may be in Local control mode When the soft starter is in Local control mode the Local LED on the starter is on Press the LOCAL REMOTE button once to change to Remote control The control wiring may be incorrect Check that the remote start stop and reset inputs are configured correctly refer to Control Wiring on page 14 for details The signals to the remote inputs may be incorrect Testthe signalling by activating each input signal in turn The appropriate remote control input LED should activate on the starter The soft starter will only execute a start command from the remote inputs if the remote stop and reset inputs are closed e Ifthe soft starter does not respond to a start command from either the local or remote controls The soft starter may be waiting for the restart delay to elapse The length of the restart delay is controlled by parameter 5A Hestart Delay The motor may be too hot to permit a start If parameter 4F Mot
16. 3 gt 6 13 D Y E I i 18 CMG Aurora LPRA 1106 edition 1 0 0 Inside delta installation internally bypassed Semiconductor fuses optional Ut 1 U2 4 3 12 al vial M Yes 3u CN e Y W1 3 W2 6 Q Y AXI E 04479 C CAUTION When connecting the Aurora LPRA in inside delta configuration always install a main contactor or shunt trip circuit breaker Inside delta installation externally bypassed Non bypassed models have dedicated bypass terminals which allow the Aurora LPRA to continue providing protection and monitoring functions even when bypassed via an external bypass contactor The bypass contactor must be connected to the bypass terminals and controlled by a programmable output configured to Run refer to parameters 7A 71 T a Y KM1 F1 111 A Cet 211 pm LB Ut 1 U2 4 L Bt ea pa al pons va M We 9 aoa 8 W 3 w2 6 08727 A NOTE NM The bypass terminals on LPRA 0255C are T1B T2B T3B The bypass terminals on LPRA 0360C LPRA 1600C are L1B L2B L3B The fuses can be installed on the input side if required CAUTION When connecting the Aurora LPRA in inside delta configuration always install a main contactor or shunt trip ci
17. 40 seconds Locked Rotor Time 30 seconds Standard Menu The standard menu provides access to commonly used parameters allowing the user to configure the Aurora LPRA as required for the application Default Setting 1 Motor Details 1A Motor Full Load Current Model dependent 2 Primary Start Stop 2A Start Mode Constant Current 2B Current Limit 35096 2C Initial Current 35096 2D Start Ramp Time 00 10 mm ss 2G Excess Start Time 00 20 mm ss 2H Stop Mode Coast to Stop 2 Stop Time 00 00 mm ss 4 Protection Levels 4B Phase Sequence Any sequence 4C Undercurrent 2096 FLC 4D Instantaneous Overcurrent 40096 FLC 4E Input A Trip Always Active 5 Protection Delays 5C Undercurrent Delay 00 05 mm ss 5D Instantaneous Overcurrent Delay 00 00 mm ss 5E Input A Trip Delay 00 00 mm ss 5F Input A Initial Delay 00 00mm ss 6 Inputs 6D Input A Function Motor Set Select 6E Input A Name Input Trip 7 Relay Outputs 7A Helay A Function Main Contactor 7B Helay A On Delay 00 00 mm ss 7C Relay A Off Delay 00 00 mm ss 7D Helay B Function Run 7E Relay B On Delay 00 00 mm ss 7F Relay B Off Delay 00 00 mm ss 7G Relay C Function Trip 7H Relay C On Delay 00 00 mm ss 7 Relay C Off Delay 00 00 mm ss 7J Low Current Flag 50 FLC 7K High Current Flag 100 FLC 7L Motor Temperature Flag 80 FLC 10 Display 10A Language English 10B User Screen Top Left Starter State 10C User Screen Top Right Blank 10D User Screen Bottom Left Hou
18. 6 edition 1 0 0 Inside delta connection 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres Minimum and Maximum Current Settings The Aurora LPRA s minimum and maximum full load current settings depend on the model In line connection Inside delta connection Model Minimum Maximum CMG Aurora LPRA 1106 edition 1 0 0 9 Dimensions and Weights kc Y 08718 E B ba mm ien mm inch mm Ne mm tinc mm E 3 Bol LPRA 0023B 183 LPRA 0043B LPRA 0043B 7 2 LPRA 0050B LPRA 0050B LPRA 0053B LPRA 0053B 295 278 E 124 LPRA 0076B LPRA 0076B 11 6 10 9 4 9 LPRA LPRA 0097B 213 Mee LPRA 0100B 8 14 iis 3 es LPRA 0105B s E 0 LPRA 01708 438 380 250 A 17 2 15 0 08 9 8 e TERE Sooo LPRA 0220B LPRA md 460 18 1 400 14 0 390 15 4 320 12 6 280 11 0 24 52 9 LPRA 0380C LPRA TERE Dee 45 0 LPRA TBR S206 689 430 320 300 98 1 LPRA PRA bese 27 1 po a 16 9 12 6 11 9 LPRA TERE Ore LPRA TPR 0630C 53 0 116 8 LPRA nu 860 585 500 364 117 LPRA 1410C 34 4 Hen 23 0 19 7 14 3 257 9 LPRA mu 130 286 6 10 CMG Aurora LPRA 1106 edition 1 0 0 Specifications Supply Mains voltage L1 L2 L3 I MI TM M 200 VAC 525 VAC 10 Lm 380 VAC 6
19. 90 VAC 10 earthed star supply system only Control voltage A4 A5 A6 sss 110 VAC or 220 VAC 10 15 600mA Mains frequeh cy duca teat Lr eee artis 45 Hz to 66 Hz Rated insulation voltage to earth oreiereeiia neien i a E aR nennen ener enn 600 VAC Rated impulse withstand voltage ooooonoccccnonoccccnononcccnanoncnnnnnnoncnnnnno nc ee eee nn ee naar nn ee enna rc r nn nnne enne 4kV Form designation sseseeeeseess Bypassed or continuous semiconductor motor starter form 1 Short circuit capability Coordination with semiconductor FUSES sssssssssssseseseeeee eene nennen nennt nnne nnns Type 2 Coordination with HRC fuses sssssssssssssssssesseenene enne enn senten ren rens n nns in rene erri sins enne nnns Type 1 EPRA 0023B to EPRA 0220B reir eritis prospective current 65 kA LPRA 0255C to LPRA 1000B sssssssssseseeenenneeeen nennen nns prospective current 85 kA LPRA 1200C to LPRA 1600C ioonnccccoccccconcnonnancnncnnnnnnnnnonnnanncconnn anar nnnnancncns prospective current 100 kA Electromagnetic capability compliant with EU Directive 89 336 EEC EMC Emissions ccooooocccnonoccnonononnnnnocnnnnnnnnnnnnnos IEC 60947 4 2 Class B and Lloyds Marine No 1 Specification EMG Immunity oc tp cerit cit ae petu ea ete Dl pete de aie eee IEC 60947 4 2 Inputs Input Fatlng unen eR NIE ELS Active 24 VDC 8 mA approx Start b4 55 iuuat tard ee tese de teer Rx eet p ete de Nd
20. C LPRA 0220B 320000 HSJ400 HSJ400 Not suitable LPRA 0255C 320000 HSJ450 HSJ450 Not suitable Not suitable LPRA 1600C 12500000 Two series connected fuses required per phase 22 CMG Aurora LPRA 1106 edition 1 0 0 Ferraz Fuses North American Style PSC 690 GA AE A lt 440 VAC lt 575 VAC lt A VAC LPRA 0380C 320000 AO70URD33XXX0700 AO7OURDSSXXX0700 LPRA 0430C 320000 AO70URD33XXX0700 AO7OURD33XXXO700 LPRA 1200C 4500000 A058URD33002260 LPRA 1410C 6480000 AOSSURD33Xxx2250 LPRA 1600C 12500000 gt ER XXX blade type Refer to Ferraz catalog for details Ferraz Fuses European Style PSC 690 e UR eur uuum puer 440 VAC lt 575 VAC lt 690 VAC LPRA 0350B 202000 6 amp 9URD31D11A0550 _ LPRA 0790C 2530000 6 6URDS3D11A1400 6 GURD33D11A1400 LPRA 0930C 4500000 6 6URDS3D11A1400 6 6URD33D11A1400 LPRA 1200C 4500000 6 9URD233PLAF2200 6 SURD233PLAF2200 LLPRA 1600C 12500000 6URD233PLAF2800 GURD233PLAF280 CMG Aurora LPRA 1106 edition 1 0 0 23 Ln n E d n E d Oe n U U U Uj D Uj U0 v vU DD D 1 0 0 0 S gt S S gt gt S gt gt gt Oo ojojojojoljoj ojoijo A _ _ O O O JOJO O NIA O O O NY O17 Or AIN olala O MN QD G1 O 0 UJ UJ w WO WO UJ U
21. Edition 1 Issue 1 SOLUTIONS not just products p pow nid SES SSS SSS 1 AN gt et mm P AURORA Soft Starters LPRA User Manual SOLUTIONS not just products Specialists in Electric Motors AC Drives amp Soft Starters At CMG we offer customised packages to the most demanding industrial markets Our success is built on a strong commitment to our customers needs and a willingness to find the best solution possible We have been in business since 1948 so you can be confident our experience and knowledge is second to none Over the past 62 years CMG Pty Ltd has enjoyed a solid reputation as a quality supplier for electric motors variable speed drives and soft starters CMG commitment to quality products is supported by our ISO 9001 and NATA laboratory accreditations Our electric motor range now covers low voltage motors up to 1400kW medium voltage up to 2 5MW and high voltage up to 13MW Additionally we can supply variable speed drives up to 5MW and soft starters up to 1MW Our company has extensive experience in providing tailored solutions for even the most difficult of applications From design concept through to technical evaluation of your specific requirements our dedicated team is with you every step of the way In April 2010 CMG and its group of companies joined the Regal Beloit Corporation RBC RBC is an international manufacturer of electrical and mechanical motor control compon
22. NOTE When using DC brake the mains supply must be connected to the soft starter input terminals L1 L2 L3 in positive phase sequence and parameter 4B Phase Sequence must be set to Positive only NOTE For loads which may vary between braking cycles install a zero speed sensor to ensure that the soft starter ends DC braking when the motor stops This avoids unnecessary heating of the motor gt p For more information on using the Aurora LPRA with an external speed sensor eg for applications with variable load during the braking cycle refer to DC Brake with External Zero Speed Sensor CMG Aurora LPRA 1106 edition 1 0 0 33 Jog Operation Jog runs the motor at reduced speed to allow alignment of the load or to assist servicing The motor can be jogged in either forward or reverse direction The maximum available torque for jog is approximately 5096 7596 of motor full load torque FLT depending on the motor Available Jog torque in reverse is approximately 5096 7594 of the jog torque in forward direction To set the jog torque level use parameter 15F NOTE IN Setting parameter 15F above 5096 may cause increased shaft vibration 10096 90 80961 70961 o 60 B8 8 1 Jog Forward 50 j i i i 2 Jog Reverse 3 40 i 3 Normal Operation D 30 O 20 o o 10 i l i d5723 0 g 10 i lt 20 30 a 40 50 Time To activate jog operation use a programmable input paramet
23. T Default INPUT TRIP N O INPUT TRIP N C LOCAL REMOTE SELECT EMERGENCY RUN EMERGENCY STOP JOG FORWARD JOG REVERSE The Aurora LPRA can be configured with two separate sets of motor data To use the secondary motor data parameter 6D must be set to Motor Set Select and 53 55 must be closed when a start command is given The Aurora LPRA checks which motor data to use at a start and will use that motor data for the entire start stop cycle Input A can be used to trip the soft starter When parameter 6D is set to Input Trip N O a closed circuit across 53 55 trips the soft starter When parameter 6D is set to Input Trip N C an open circuit across 53 55 trips the soft starter Input A can be used to select between local and remote control instead of using the LOCAL REMOTE button on the keypad When the input is open the starter is in local mode and can be controlled via the keypad When the input is closed the starter is in remote mode The START and LOCAL REMOTE buttons are disabled and the soft starter will ignore any Local Remote select command from the serial communications network To use Input A to select between local and remote control parameter 6A must be set to LCL RMT Anytime or LCL RMT when Off In emergency run the soft starter continues to run until stopped ignoring all trips and warnings refer to parameter 15C for details Closing the circuit across 53 55 activates emergency run Opening
24. ally bypassed models Non bypassed models vr E EA 2 NE GNI NE CAU NOTE IN LPRA 0255C current transformers are located on the output Bypass terminals are labelled T1B T2B and T3B 16 CMG Aurora LPRA 1106 edition 1 0 0 Power Circuits Motor Connection Aurora LPRA soft starters can be connected to the motor in line or inside delta also called three wire and six wire connection The Aurora LPRA will automatically detect the motor connection and perform the necessary calculations internally so it is only necessary to program the motor full load current parameter 14 Testing the Installation The Aurora LPRA can be connected to a small motor for testing During this test the soft starter s control input and relay output protection settings can be tested This test mode is not suitable for testing soft starting or soft stopping performance The FLC of the test motor must be at least 296 of the soft starter s minimum FLC refer to Minimum and Maximum Current Settings NOTE When testing the soft starter with a small motor set parameter 1A Motor Full Load Currentto the minimum allowable value NOTE AN For personnel safety the power terminals on models up to LPRA 0105B are protected by snap off tabs When using large cables it may be necessa
25. back display 1 Feedback display included Current Ratings Contact your local supplier for ratings under operating conditions not covered by these ratings charts Current Ratings for Bypass Operation 80A AC 53b 3 5 15 345 Off time seconds Start time seconds Start current multiple of motor full load current Starter current rating amperes 6 CMG Aurora LPRA 1106 edition 1 0 0 In line connection 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres AC53b 3 5 15 585 AC53b 4 0 20 580 AC53b 4 5 30 570 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres LPRA 0100B NOTE AN Models LPRA 0255C LPRA 1600C must be externally bypassed CMG Aurora LPRA 1106 edition 1 0 0 7 Inside delta connection 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres 80A lo 269A ADA 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres 40 C 1000 metres 96A 83A 70 LPRA 0100B Current Ratings for Continuous Operation Not bypassed 351A AC 53a 3 5 15 50 6 Starts per hour On load duty cycle Start time seconds Start current multiple of motor full load current Starter current rating amperes 40 C 1000 metres 40 C lt 1000 metres 40 C 1000 metres 40 C 1000 metres In line connection 8 CMG Aurora LPRA 110
26. commissioning and maintenance must be carried out by personnel who have the necessary training and experience They must read this safety information and this guide carefully None of the starter functions must be used to ensure safety of personnel i e they must not be used for safety related functions Careful consideration must be given to the functions of the starter which might result in a hazard either through their intended behaviour or through incorrect operation due to a fault In any application where a malfunction of the starter or its control system could lead to or allow damage loss or injury a risk analysis must be carried out and where necessary further measures taken to reduce the risk The system designer is responsible for ensuring that the complete system is safe and designed correctly according to the relevant safety standards STOP function The STOP function does not remove dangerous voltages from the starter the motor or any external option units Disposal Instructions Equipment containing electrical components may not be disposed of together with domestic waste It must be collected separately as electrical and electronic waste according to local and currently valid legislation 4 CMG Aurora LPRA 1106 edition 1 0 0 Introduction Feature List Extensive starting and stopping options e Adaptive Acceleration Control e Constant current e Current ramp e Timed voltage ramp soft stop Brake Mod
27. ctor correction capacitors must be connected to the input side of the soft starter Connecting power factor correction capacitors to the output side will damage the soft starter Earth Terminals Earth terminals are located at the back of the soft starter e LPRA 0023B LPRA 0105B have one terminal on the input side top e LPRA 0145B LPRA 1600C have two terminals one on the input side top and one on the output side bottom 20 CMG Aurora LPRA 1106 edition 1 0 0 Power supply fuses Semiconductor fuses can be used for Type 2 coordination according to IEC 60947 4 2 standard and to reduce the risk of damage to SCRs from transient overload currents HRC fuses such as Ferraz AJT fuses can be used for Type 1 coordination according to IEC 60947 4 2 standard CAUTION Adaptive Control controls the motor s speed profile within the programmed time limit This may result in a higher level of current than traditional control methods For applications using Adaptive Control to soft stop the motor with stop times greater than 30 seconds motor branch protection should be selected as follows e standard HRC line fuses minimum 150 motor full load current e motor rated line fuses minimum rating 100 150 motor full load current e motor control circuit breaker minimum long time setting 150 motor full load current e motor control circuit breaker minimum short time setting 400 motor full load current for 30 seconds NOTE IN Fuse s
28. d The resistance at the thermistor input has exceeded 3 6 kO for more than one second The motor winding has overheated Identify the cause of the overheating and allow the motor to cool before restarting The motor thermistor input has been opened NOTE IN a valid motor thermistor is no longer used a 1 2 kQ resistor must be fitted across terminals 64 65 Related parameters 16G The network master has sent a trip command to the starter or there may be a network communication problem Check the network for causes of communication inactivity Related parameters 16L A parameter value is outside the valid range The starter will load the default value for all affected parameters to the first invalid parameter and adjust the setting Related parameters None The phase sequence on the soft starter s input terminals L1 L2 L3 is not valid Check the phase sequence on L1 L2 L3 and ensure the setting in parameter 4B is suitable for the installation Related parameters 4B The starter is not receiving mains supply on one or more phases when a Start Command is given Check that the main contactor closes when a start command is given and remains closed until the end of a soft stop Check the fuses If testing the soft starter with a small motor it must draw at least 2 of its minimum FLC setting on each phase Related parameters None Press RESET to go e There is a problem with the connection between the soft starter and t
29. d cete at Normally open lA voce EE cuiu EL I SL o AN Rot Normally closed Biz sp 07 EE Normally closed Programmable input B3 55 nrrieunisi iiien eiaa i e a a a a aai Normally open Motor thermistor 64 65 ostien deiei ini a i ai a NE Trip gt 3 6 KQ reset lt 1 6kQ Outputs Relay Outputs 10A 250 VAC resistive 5A 250 VAC AC15 pf 0 3 Programmable outputs Helay A CT3 T4 ba Normally open Helay B 21 22 24 iis E E e ber ta ot rece PERS APA I Rare REESE Changeover g J AONREMC MEE Normally open Analog output 40 41 sereins tenets ear rarena e EEE EAr nennen errem 0 20 mA or 4 20 mA selectable MAXIMUM a eie MED 600 Q 12 VDC O 20 mA Doodle EE RE O t5 24 VDC output 55 41 Maximum load sse nennen nennen nnne nennen 200 mA ACCAC nite cei noD PERI Cine tieniti tud t 10 Environmental Protection EPRA 0023B LPRA OTOS B iiti et it iet re Lai eee bed IP20 EPRA 0TA5B S EPRA T600G ace eet ree Lee e e tana IPOO Operating temperature nnninnccnncconoccccnonanononcnnn corona nano nana cc 10 C to 60 C above 40 C with derating Storage temperature untar i perdat Re EID Ped aD eg restart Da set Ern eds Ruanda 25 C to 60 C Operating altitude vecina rite anta 0 1000 m above 1000 m with derating H urnidity inicia rd ec e ees 5 to 95 Relative Humidity Pollution degree nori eet PT ei eie ep iate Pe ede Pollution Degree 3 Merci Mt IEC 60068 2 6 Heat dissipation Dung Start 55 ritate detiene
30. de delta operation 34 CMG Aurora LPRA 1106 edition 1 0 0 CAUTION Inside delta operation is only possible with mains voltage x 600 VAC CMG Aurora LPRA 1106 edition 1 0 0 35 Programming Menu The Programming Menu lets you view and change programmable parameters that control how the Aurora LPRA operates To open the Programming Menu press the MENU ENTER button while viewing the status or graph screens To navigate through the Programming Menu e to scroll through parameter groups press the A or W button e to open a submenu press the ENTER button e io view the parameters in a group press the ENTER button e to return to the previous level press the EXIT button e to close the Programming Menu press EXIT repeatedly or press the STATUS or GRAPHS button To change a parameter value e Scroll to the appropriate parameter in the Programming Menu and press ENTER to enter edit mode e io alter the parameter setting use the A and W buttons Pressing 4 or W once will increase or decrease the value by one unit If the button is held for longer than five seconds the value will increase or decrease at a faster rate e tosave changes press MENU ENTER The setting shown on the display will be saved and the keypad will return to the parameter list e to cancel changes press EXIT The keypad will ask for confirmation then return to the parameter list without saving changes You can access the Programming Menu at any tim
31. deti n iata eni itat ia nta 4 5 watts per ampere During run LPRA 0023B LPRA 0053B essesssisesseee enne nnn nennen nent nnns enne lt 39 watts approx LPRA 0076B LPRA 0105B omiani an aaa aasia aa iaiia aaaea lt 51 watts approx EPRA QTA5B s EPRA 0220B 2t tere Pee ipee rans S 120 watts approx LPRA 0255C LPRA 0930C sese 4 5 watts per ampere approx LPRA 1200C LPRA 1600C seen 4 5 watts per ampere approx Certification OE e id A A da IEC 60947 4 2 CMG Aurora LPRA 1106 edition 1 0 0 11 12 Lad dtc ke isi EIE dos IEC 60947 4 2 Compliant with EU Directive 2002 95 EC CMG Aurora LPRA 1106 edition 1 0 0 Installation Physical Installation LPRA 0023B LPRA 0255C Allow 100 mm 3 94 inches between soft starters LPRA 0360C LPRA 1600C Allow 200 mm 7 88 inches between soft starters LPRA 0023B LPRA 0220B Allow 50 mm 1 97 inches between the soft starter and solid surfaces LPRA 0255C Allow 100 mm 3 94 inches between the soft starter and solid surfaces LPRA 0360C LPRA 1600C Allow 200 mm 7 88 inches between the soft starter and solid surfaces Side by side allow 50 mm 1 97 inches between soft starters The soft starter may be mounted on its side Derate the soft starter s rated current by 15 Yi XE MEN 08719B Control Terminals Control termi
32. e including while the soft starter is running Any changes to the start profile take effect immediately The Programming Menu contains four sub menus Quick Setup Menu Provides access to quick setup options for common applications Standard Menu The Standard Menu provides access to commonly used parameters allowing you to configure the Aurora LPRA to suit your application parameters allowing experienced users to take advantage of advanced features and time or load a standard parameter set 36 CMG Aurora LPRA 1106 edition 1 0 0 Quick Setup The Quick Setup Menu makes it easy to configure the Aurora LPRA for common applications The Aurora LPRA selects the parameters relevant to the application and suggests a typical setting and you can adjust each parameter to suit your exact requirements Always set parameter 1A Motor Full Load Currentto match the motor s nameplate full load current The suggested value is the starter s minimum full load current On the display the highlighted values are suggested values and the values enclosed in a box are the loaded values Application Suggested value Pump Centrifugal Pump Submersible Fan Damped Fan Undamped Compressor Screw Compressor Recip Conveyor Crusher Rotary Crusher Jaw Motor Full Load Current Start Mode Adaptive Start Profile Start Hamp Time Stop Mode Adaptive Stop Profile Stop Time Motor Full Load Current Start Mode Adaptive Start Prof
33. e The starter s operating state eg starting running stopping or tripped Only available for Top L amp Btm L Motor Current The average current measured on three phases Motor pf The motor s power factor measured by the soft starter Mains Frequency The average frequency measured on three phases Motor kW The motor s running power in kilowatts Motor HP The motor s running power in horsepower Motor Temp The motor s temperature calculated by the thermal model kWh The number of kilowatt hours the motor has run via the soft starter Hours Run The number of hours the motor has run via the soft starter Description Selects which information will be displayed on the programmable monitoring screen e 10B User Screen Top Left Default Starter State e 10C User Screen Top Right Default Blank e 10D User Screen Bottom Left Default Hours Run e 10E User Screen Bottom Right Default Blank 10F Graph Timebase Options 10 seconds Default 30 seconds 1 minute 5 minutes 10 minutes 30 minutes 1 hour Description Sets the graph time scale The graph will progressively replace the old data with new data 10G Graph Max Adj Range 096 60096 Default 40096 Description Adjusts the upper limit of the performance graph CMG Aurora LPRA 1106 edition 1 0 0 51 10H Graph Min Adj Range 096 60096 Default 0 Description Adjusts the lower limit of the performance graph 101 Mains Ref Volt Range 100
34. e of the input is ignored until the initial delay has elapsed CMG Aurora LPRA 1106 edition 1 0 0 45 5G Frequency Delay Range 0 01 4 00 minutes seconds Default 1 second Description Slows the Aurora LPRA s response to frequency disturbances avoiding trips due to momentary fluctuations 6 Inputs 6A Local Remote Options LCL RMT Anytime Default LOCAL REMOTE button is always enabled LCL RMT When Off LOCAL REMOTE button is enabled when the starter is off Local Control Only All remote inputs are disabled Remote Control Only Local control buttons START RESET LOCAL REMOTE are disabled Description Selects when the LOCAL REMOTE button can be used to switch between local and remote control and enables or disables the local control buttons and remote control inputs The STOP button on the keypad is always enabled 6B Comms in Remote Options Disable Ctrl in RMT Enable Ctrl in RMT Default Description Selects whether the starter will accept Start and Stop commands from the serial communication network when in Remote mode The Reset Force Comms Trip and Local Remote Control commands are always enabled 6C Remote Reset Logic Options Normally Closed Default Normally Open Description Selects whether the Aurora LPRA s remote reset input terminals 58 57 is normally open or normally closed 46 CMG Aurora LPRA 1106 edition 1 0 0 6D Input A Function Options MOTOR Ser SELEC
35. e secondary motor settings which should be user programmed for the desired stopping performance characteristics When motor speed approaches zero the shaft rotation sensor A2 stops the soft starter and opens the braking contactor KM2 ii E 1 do do o o o o 6 1 L1 3 L2 5 L3 A4 A5 A6 64 65 33 g oc 2 11 4 T2 e T3 E 53 54 55 56 57 58 34 o 9 o 0 0 o o O o s MS S3 MN A S2 AN N KM2 KM1 J KT2 1 T M M KATN KM XN KM2 KAI o4 Control voltage Remote control inputs RES al 2 3 Motor thermistor input 4 5 6 08881 B KM2 KT1 KT2 1 S2 S3 Relay outputs Three phase supply Motor terminals Run delay timer Start contact Stop contact S3 Reset contact KM2 SA KT2 Brakedelaytimer___ e 92 CMG Aurora LPRA 1106 edition 1 0 0 63 Parameter settings e Parameter 6D Input A Function terminals 53 55 e Select Motor Set Select assigns Input A for Motor set selection e Set starting performance characteristics using the primary motor set e Set braking performance characteristics using the secondary motor settings e Parameter 7G Relay C Function e Select Trip assigns Trip function to Relay Output C NOTE AN If the Aurora LPRA trips on supply frequency parameter 16F Frequency when the braking contactor KM2 opens modify the frequency protection set
36. election is based on a 40096 FLC start for 20 seconds in conjunction with standard published starts per hour duty cycle 40 C ambient temperature and up to 1000 m altitude For installations operating outside these conditions consult your local supplier These fuse tables contain recommendations only Always consult your local supplier to confirm the selection for your particular application Bussman Fuses Square Body 170M lt 440 VAC lt 575 VAC lt 690 VAC LPRA 0380C 320000 17omeom1 170Mm6011 LPRA 0430C 320000 170m6011 170M603 LPRA 12000 X 450000 170M621 LPRA i40C 648000 k LPRA 1600C 1250000 170M6019 Two parallel connected fuses required per phase CMG Aurora LPRA 1106 edition 1 0 0 21 Bussman Fuses British Style BS88 440 VAC lt 575 VAC lt 690 VAC PRA 0360C i 20000 jr a AA A s LPRA 04300 8200 LPRA 06200 120000 630EMW 630RMW LPRA 0650C 120000 630EMMw 630Mw LPRA 7C 253000 LPRA 0930C_ 450000 S gt LPRA 12000 450000 P DEPRAGPHDO NE 06480000 AE LPRA 600C 1250000 Two parallel connected fuses required per phase Ferraz Fuses HSJ LE emer eur Seer Sa 440 VAC lt 575 VAC lt 690 VA
37. els for all connection requirements e 23Ato 1600 A nominal e 200 VAC to 525 VAC e 380 VAC to 690 VAC e Internally bypassed up to 220 A e In line or inside delta connection auto detect Inputs and outputs e Remote control inputs 3 x fixed 1 x programmable e Relay outputs 3 x programmable e Analog output e DeviceNet Modbus or Profibus communication modules optional CMG Aurora LPRA 1106 edition 1 0 0 Easy to read display with comprehensive feedback Multi language feedback Multiple status screens and performance graphs Date and time stamped event logging Operational counters number of starts hours run kWh Performance monitoring current voltage power factor kWh User programmable monitoring screen Customisable protection Motor overload Excess start time Undercurrent Instantaneous overcurrent Current imbalance Mains frequency Input trip Motor thermistor Power circuit Phase sequence Specifications Part Number Logic L P R A 002 3 B 5 1 1 Position 1 3 LPR LPR series soft starters Position 4 Series A Advanced digital model B Basic compact model Position 5 9 Rated Current XXXX Starter FLC rating see selection tables above Position 10 Bypass B Integral bypass C Continuous connection no bypass Position 11 Supply Voltage 5 200 525 VAC 7 380 690 VAC Position 12 Control Voltage 12110 VAC or 220 VAC Position 13 Interface 0 No feed
38. emote low speed start input Remote high speed start input NOTE Contactors KM2 and KM3 must be mechanically interlocked E NES EE EE 3 4 Three phase supply 5 6 Parameter settings e Parameter 6D Input A Function e Select Motor Set Select assigns Input A for Motor set selection CMG Aurora LPRA 1106 edition 1 0 0 65 e Set high speed performance characteristics using the primary motor settings e Set low speed performance characteristics using the secondary motor settings e Parameter 7D Relay B Function e Select Trip assigns Trip function to Relay Output B NOTE NM Ifthe Aurora LPRA trips on supply frequency parameter 16F Frequency when the high speed start signal 7 is removed modify the frequency protection settings 66 CMG Aurora LPRA 1106 edition 1 0 0 Troubleshooting Protection Responses When a protection condition is detected the Aurora LPRA will write this to the event log and may also trip or issue a warning The soft starter s response to some protections may depend on the Protection Action settings parameter group 16 If the Aurora LPRA trips you will need to reset the soft starter before restarting If the Aurora LPRA has issued a warning the soft starter will reset itself once the cause of the warning has been resolved Some protections cause a trip for which the response is pre defined ie the starter must shut down These trips cannot be set to Warn or Log by the u
39. ents with head quarters in Beloit Wisconsin RBC s strength is in its market diversity as it serves an expansive array of markets from heavy industry to high technology We convert power into motion to help the world run more efficiently REGAL BELOIT BUSINESS PURPOSE Electric Motors AC Drives Soft Starters Contents Caution Statements susan dai 3 a AA A A 3 System design and safety of personnel esssssssssssssssseseee entente entente sitne nrte enne 4 Disposal InStfUctiOns oct e ee lr ii dd 4 INTO UC Otra NNNM E c s 5 Feature HIST reete eeenoenolenid etate ola ta eiii tdem frin Nix 5 jiu m Y 6 Part Number EOglc xn ei ep eoe eee M RR 6 Gurrent Ratings uiu a Ere me o db qe efr alo de aun e o rte Lp is 6 Dimensions and Weights iie risas 10 SPECICATION MN PEL 11 rari M 13 Physical Installation t ee eee te dte tale eese odia eio m Bet Ae E nue 13 Control Terminals 2 2 ami dite dE RUD babies 13 Control WiIFIDg ese oos nct c OM UE er tU E ONE t den 14 Relay Outputs ia TM M D 14 Motor LThermistOrS sisi eect are a eccl aC dv os cit oso aue de 14 Power Terminations ait ie D ent aee ada rt aee bie fO Med AA fe Pel iere tus 14 Schematic Diagrams eite rd er ta ote ea TRE TR REOR EE oido drid 16 POWeICIFCUIITS ionis iin OA RRRR ARA RR RIA RAE XX RR RA UR RAS RR ARAS ASS 17 Motor
40. equires an optional communication module Using the Soft Starter to Control a Motor To soft start the motor press the START button on the keypad or activate the Start remote input The motor will start using the start mode selected in parameter 2A To stop the motor press the STOP button on the keypad or activate the Stop remote input The motor will stop using the stop mode selected in parameter 2H To reset a trip on the soft starter press the RESET button on the keypad or activate the Reset remote input To emergency stop the motor press the local STOP and RESET buttons at the same time The soft starter will remove power from the motor and open the main contactor and the motor will coast to stop Emergency stop can also be controlled via a programmable input CMG Aurora LPRA 1106 edition 1 0 0 27 Soft Start Methods Soft starters offer a variety of methods to control motor starting Each soft start method uses a different primary control parameter Soft Start Method Parameter Performance Parameters Influenced Controlled Timed Voltage Ramp Voltage Start current start torque acceleration Constant Current Start torque acceleration Torque Control Start current acceleration Adaptive Acceleration Control Start current start torque Best results are obtained by selecting the soft start method that directly controls the parameter of most importance for the application Typically soft starters are used to limit motor start c
41. er 6D If any other command is received when jogging the starter will stop and await a new command NOTE NM Jog is only available for the primary motor for more information on primary and secondary motor sets refer to Secondary motor set Soft start and soft stop are not available during jog operation CAUTION Slow speed running is not intended for continuous operation due to reduced motor cooling Jog operation causes the motor to heat faster than the rate calculated by the motor thermal model If you are using jog install a motor thermistor or allow sufficient restart delay parameter 5A Inside Delta Operation Adaptive Control Jog Brake and PowerThrough functions are not supported with inside delta six wire operation If these functions are programmed when the starter is connected inside delta the behaviour is as given below Adaptive Control Start The starter performs a constant current start Adaptive Control Stop The starter performs a TVR soft stop if parameter 21 Stop Time is gt 0 secs If parameter 2l is set to O secs the starter performs a coast to stop The starter issues a warning with the error message Unsupported Option The starter performs a coast to stop PowerThrough The starter trips with the error message Lx Tx Shorted NOTE IN When connected in inside delta current imbalance is the only phase loss protection that is active during run Do not disable current imbalance protection parameter 4A during insi
42. er using an approved isolation device before any cover is removed from the starter or before any servicing work is performed WARNING ELECTRICAL SHOCK HAZARD Models LPRA 0360C LPRA 1600C The bus bar and heatsink are live while the unit is operating starting running or stopping If the starter is installed without a main contactor the bus bar and heatsink are live whenever mains voltage is connected including when the starter is ready or tripped SHORT CIRCUIT Aurora LPRA soft starters are not short circuit proof After severe overload or short circuit the AN operation of the soft starter should be fully tested by an authorised service agent GROUNDING AND BRANCH CIRCUIT PROTECTION It is the responsibility of the user or person installing the soft starter to provide proper grounding and branch circuit protection according to local electrical safety codes CMG Aurora LPRA 1106 edition 1 0 0 3 System design and safety of personnel The starter is intended as a component for professional incorporation into complete equipment or a system If installed incorrectly the starter may present a safety hazard The starter uses high voltages and currents carries stored electrical energy and is used to control equipment which can cause injury Close attention is required to the electrical installation and the system design to avoid hazards either in normal operation or in the event of equipment malfunction System design installation
43. erating range by 1096 of the programmed motor full load current Parameter 7J Low Current Flag Range 1 100 FLC Default 50 Description Sets the level at which the low current flag operates as a percentage of motor full load current Parameter 7K High Current Flag Range 50 600 FLC Default 100 Description Sets the level at which the high current flag operates as a percentage of motor full load current 7L Motor Temperature Flag The Aurora LPRA has a motor temperature flag to give early warning of abnormal operation The flag can indicate that the motor is operating above its normal operating temperature but lower than the overload limit The flag can signal the situation to external equipment via one of the programmable outputs Range 0 160 Default 80 Description Sets the level at which the motor temperature flag operates as a percentage of the motor s thermal capacity 8 Analog Output The Aurora LPRA has an analog output which can be connected to associated equipment to monitor motor performance 8A Analog Output A Options Current FLC Default Current as a percentage of motor full load current Motor Temp Motor temperature as a percentage of the motor s thermal capacity Motor kW Motor kilowatts Motor kVA multiplied by power factor Power factor is assumed to be 1 0 for the reference value but the motor kilowatt value is calculated using measured power factor N3 1
44. erento 17 Bypass CONTACTO oue edo fo e Te cef ec etr Ato abe Stc Lt ces 20 Mam CONTAGION cuiii dite ide eei A C Send ee aa eR NIE eR RARE R REA RE SD 20 Citculb Breaker idee aded n tables A au RN nu exu a Ca adea eR ERR RR ne D EXER ERE A aerea 20 Power Factor GorrectlOn sti oras oi illa ec E suite aute tae mco Les es Lot signees cabinets iaa 20 Earth Terminals eiectus x Reb Etui iie 20 Power supply USOS i sene o etin ea dad re e E C Ee EE Led rai de nd dc rds 21 Operator AA Pau CE CA UR ER C e CR D C eR FE C RR E AR 25 Keypad and Feedback accio icon lacada dalla Dalai a ie ee ne be ade RE AERE MIRA gets 25 Start Stop and Reset Commands sse eene nnne nnns en nnns en nnne rn sienten sien nnns 27 SO Stati Methods conet ate ott t tt ecu Cond e e iL rcu cete E d Aci dis 28 Stop Method S aii oan a a aah a a Away ialGblnnde Ea e a E a aT E 31 JO Op ration aria Sa oer Ms 34 Inside Delta Operation a 34 Programming Me an AS 36 UU A lA AENA 37 Standard Me ci A A A A aiii 38 Extendeg Men lr a Mer OA S cd estu d dite S indie 39 Parameter Descriptions cea eoe E rete ege e EG ege ade Ete Ies illinois copiada 41 Adj stment LOCK cscs iG TR RIDE oO au tdt 54 ACCESS goo DERIT 55 Seiip Toolss oue ds EA tnde M tL 55 Logs Men ininsert eimi Iu guve iii 57 Irp E0gz iid A Eg Rc ogg dae o ua dv eng a ag de de e ey ead 57 Event Logs ue ient eli oni iei ode ER o qan nate 57 Pe
45. esburg 1614 Tel 27 0 11 453 1930 Fax 27 0 11 453 9560 DURBAN Unit 13 Heron Park 80 Corobrik Road Riverhorse Valley Estate Durban 4017 Tel 27 0 31 569 5551 Fax 27 0 31 569 5549 MIDDELBURG Unit 6 2 Rand Street Industrial Area Middelburg 1050 Tel 27 0 13 246 1902 Fax 27 0 13 246 1205 CAPE TOWN Unit 1 56 Junction Street Parow Industria Cape Town 7500 Tel 27 0 21 951 2901 Fax 27 0 21 951 2910 PORT ELIZABETH 11 Opel Lane Neave Industrial Park 7 Bennet Street Port Elizabeth 6020 Tel 27 0 41 451 1404 Fax 27 0 41 451 1406 All CMG products are regularly redesigned and improved and CMG reserves the right to change the design technical specification and dimensions without prior notice E amp OE 710 12536 0U0A CMG Aurora LPRA 1106 edition 1 0 0 REGAL
46. et Crestmead QLD 4132 Tel 61 0 7 3803 2033 Fax 61 0 7 3803 2683 NORTH QUEENSLAND Cnr John Vella Drive amp Connors Rd Paget Mackay NQLD 4740 Tel 61 0 7 4952 6244 Fax 61 0 7 4952 6277 WESTERN AUSTRALIA 21 Colin Jamieson Drive Welshpool WA 6106 Tel 61 0 8 6253 3700 Fax 61 0 8 6253 3710 NEW ZEALAND Sales 0800 676 722 www cmggroup co nz CMG Electric Motors NZ Ltd NZCN 567 351 AUCKLAND 315A Rosebank Road Rosebank Avondale Auckland Tel 64 0 9 820 3550 Fax 64 0 9 820 8504 CHRISTCHURCH Cnr Lunns amp Annex Road Middleton Christchurch Tel 64 0 3 348 3740 Fax 464 0 3 348 3760 ROTORUA 51 Pururu Street Rotorua Tel 64 0 7 347 8624 Fax 64 0 7 347 8629 CAMBRIDGE 13 Carters Cresent Cambridge Tel 64 0 7 827 4986 Fax 64 0 7 827 4819 ASIA PACIFIC www cmggroup com sg SINGAPORE CMG Electric Motors Asia Pacific Pte Ltd Registration No 200414611G 12 Tuas Loop Singapore 637346 Tel 65 6863 3473 Fax 65 6863 3476 MALAYSIA CMG Electric Motors Malaysia Sdn Bhd Registration No 796093 K 6536A Jalan Bukit Kemuning Batu 6 Seksyen 34 40470 Shah Alam Malaysia Tel 603 5124 9217 Fax 603 5124 6195 www cmggroup com my CMG PRODUCTS ARE SOLD AND RECOMMENDED BY SOUTH AFRICA www cmggroup co za CMG Electric Motors South Africa Pty Ltd Registration No 2003 001379 07 JOHANNESBURG 268B Fleming Road Meadowdale Germiston Johann
47. for assistance PowerThrough remains active until 3 Phase Control Only is reselected PowerThrough operation does not support Adaptive Control soft starting or soft stopping In PowerThrough the Aurora LPRA will automatically select constant current soft starting and timed voltage ramp soft stopping If PowerThrough is enabled parameters 2C and 2B must be set appropriately PowerThrough can only operate with internally bypassed soft starters NOTE PowerThrough only operates with in line connected motors 15F Jog Torque The Aurora LPRA can jog the motor at a reduced speed which allows precise positioning of belts and flywheels Jog can be used for either forward or reverse operation Range 20 100 FLC Default 50 Description Sets the current limit for jog operation as a percentage of motor full load current 15G Brake Torque Range 20 100 Default 20 Description Sets the amount of brake torque the Aurora LPRA will use to slow the motor 15H Brake Time Range 1 30 seconds Default 1 second Description Sets the duration for DC injection during a braking stop NOTE NM Parameter 15H is used in conjunction with parameter 2l Refer to Brake on page 33 for details 151 Brake Torque 2 Range 2096 10096 Default 20 Description Sets the amount of brake torque the Aurora LPRA will use to slow the motor 15J Brake Time 2 Range 1 30 seconds Default 1 second Description Se
48. g to the programmed profile Start current will vary according to the selected acceleration profile and the programmed start time If replacing a motor connected to an Aurora LPRA programmed for Adaptive Control starting or stopping or if the starter has been tested on a different motor prior to actual installation the starter will need to learn the characteristics of the new motor The Aurora LPRA will automatically re learn the motor s characteristics if parameter 1A Motor Full Load Current or parameter 2L Adaptive Control Gain is changed CAUTION Adaptive Control controls the motor s speed profile within the programmed time limit This may result in a higher level of current than traditional control methods Fine tuning Adaptive Control If the motor does not start or stop smoothly adjust the adaptive control gain parameter 2L The gain setting determines how much the Aurora LPRA will adjust future adaptive control starts and stops based on information from the previous start The gain setting affects both starting and stopping performance e f the motor accelerates or decelerates too quickly at the end of a start or stop increase the gain setting by 596 1096 e If the motor speed fluctuates during starting or stopping decrease the gain setting slightly NOTE IN Changing the gain setting resets the starter s adaptive control learning The first start after changing the gain will use constant current Kickstart Kickstart provide
49. he Profibus DeviceNet Modbus RTU and USB protocols via an easy to install communications module Finger Guard Kit Finger guards may be specified for personnel safety and can be used on Aurora LPRA soft starter models 0145B 0220B Finger guards fit over the soft starter terminals to prevent accidental contact with live terminals Finger guards provide IP20 protection when used with cable of diameter 22 mm or greater PC Software AuroraMaster PC software provides monitoring programming and control of up to 99 soft starters A Modbus or USB communication module is required for each starter to use AuroraMaster CMG Aurora LPRA 1106 edition 1 0 0 73 Bus Bar Adjustment Procedure The bus bars on non bypassed models LPRA 0360C LPRA 1600C can be adjusted for top or bottom input and output as required NOTE A Many electronic components are sensitive to static electricity Voltages so low that they cannot be felt seen or heard can reduce the life affect performance or completely destroy sensitive electronic components When performing service proper ESD equipment should be used to prevent possible damage from occurring All units are manufactured with input and output bus bars at the bottom of the unit as standard The input and or output bus bars can be moved to the top of the unit if required j 1 Remove all wiring and links from the soft starter before dismantling the unit 2 Remove the unit cover 4 screws 3 Remove the
50. he gain setting slightly 3 Secondary Start Stop Refer to the Primary Start Stop parameters for parameter details 3A Start Mode 2 Options Constant Current Default Adaptive Control Description Selects the soft start mode 3B Current Limit 2 Range 100 600 FLC Default 350 Description Sets the current limit for constant current and current ramp soft starting as a percentage of motor full load current 3C Initial Crnt 2 Range 10096 60096 Default 350 Description Sets the initial start current level for current ramp starting as a percentage of motor full load current Set so that the motor begins to accelerate immediately after a start is initiated If current ramp starting is not required set the initial current equal to the current limit 3D Start Ramp Time 2 Range 1 180 seconds Default 10 seconds Description Sets the total start time for an Adaptive Acceleration Control start or the ramp time for current ramp starting from the initial current to the current limit 3E Kickstart Lvl 2 Range 100 700 FLC Default 500 Description Sets the level of the kickstart current 3F Kickstart Time 2 Range 0 2000 milliseconds Default 0000 milliseconds Description Sets the kickstart duration A setting of 0 disables kickstart 3G Excess Start Time 2 Range 0 00 4 00 minutes seconds Default 20 seconds Description Set as required 3H S
51. he optional CMG Aurora LPRA 1106 edition 1 0 0 69 Display Possible cause Suggested solution COMMUNICATION communications module Remove and reinstall the module If the problem CEETHEEN MODULE persists contact your local distributor AMD SOFT STARTER e There is an internal communications error within the soft starter Contact your local distributor Related parameters 16l THERMISTOR The thermistor input has been enabled and CIRCUIT e The resistance at the input has fallen below 20 Q the cold resistance of most thermistors will be over this value or e A short circuit has occurred Check and resolve this condition Check that a PT100 RTD is not connected to 64 65 Related parameters None TINE OVERCURRENT The Aurora LPRA is internally bypassed and has drawn high current during running The 10A protection curve trip has been reached or the motor current has risen to 600 of the motor FLC setting Related parameters None UNDERCUERENT The motor has experienced a sharp drop in current caused by loss of load Causes can include broken components shafts belts or couplings or a pump running dry Related parameters 4C 5C 16C UNSUPPORTED The selected function is not available eg jog is not supported in inside delta OPTION CFLHMCTIOM configuration HOT AVAILABLE IM Related parameters None INSIDE DELTA 70 CMG Aurora LPRA 1106 edition 1 0 0 General Faults This table describes situations where
52. herent profile The Aurora LPRA monitors the motor s performance during each start to improve control for future soft starts Adaptive Acceleration Control To use Adaptive Acceleration Control to control starting performance 1 Select Adaptive Control from the Start Mode menu parameter 2A 2 Setthe desired Start Ramp Time parameter 2D 3 Select the desired Adaptive Start Profile parameter 2J 4 Seta start Current Limit parameter 2B sufficiently high to allow a successful start The first start will be a Constant Current start This allows the Aurora LPRA to learn the characteristics of the connected motor This motor data is used by the Aurora LPRA during subsequent Adaptive Acceleration Control starts j t 1 100 Y Adaptive start profile parameter 2J 90 m d P 1 Early acceleration 80 7 2 Constant acceleration 70 if 3 Late acceleration 60 u 50 2 40 30 4 20 10 MN on a 4 Start ramp time parameter 2D 04827 C Speed CMG Aurora LPRA 1106 edition 1 0 0 29 How to Select the Adaptive Acceleration Control Start Profile The best profile will depend on the exact details of each application Some loads such as submersible pumps should not be run at slow speeds An early acceleration profile will raise the speed quickly then control acceleration through the rest of the start NOTE NM Adaptive Acceleration Control will control the load accordin
53. ile Start Hamp Time Stop Mode Adaptive Stop Profile Stop Time Motor Full Load Current Start Mode Current Limit Motor Full Load Current Start Mode Adaptive Start Profile Start Hamp Time Excess Start Time Locked Rotor Time Motor Full Load Current Start Mode Start Hamp Time Current Limit Motor Full Load Current Start Mode Start Hamp Time Current Limit Motor Full Load Current Start Mode Start Hamp Time Current Limit Stop Mode Adaptive Stop Profile Stop Time Motor Full Load Current Start Mode Start Hamp Time Current Limit Excess Start Time Locked Rotor Time Motor Full Load Current Start Mode Start Ramp Time Current Limit CMG Aurora LPRA 1106 edition 1 0 0 Model dependent Adaptive Control Early Acceleration 10 seconds Adaptive Control Late Deceleration 15 seconds Model dependent Adaptive Control Early Acceleration 5 seconds Adaptive Control Late Deceleration 5 seconds Model dependent Constant Current 350 Model dependent Adaptive Control Constant Acceleration 20 seconds 30 seconds 20 Seconds Model dependent Constant Current 5 seconds 400 Model dependent Constant Current 5 seconds 450 Model dependent Constant Current 5 seconds 400 Adaptive Control Constant Deceleration 10 seconds Model dependent Constant Current 10 seconds 400 30 seconds 20 seconds Model dependent Constant Current 10 seconds 450 37 Application Suggested value Excess Start Time
54. ill control the load according to the programmed profile Stopping current will vary according to the selected deceleration profile and stop time If replacing a motor connected to an Aurora LPRA programmed for Adaptive Control starting or stopping or if the starter has been tested on a different motor prior to actual installation the starter will need to learn the characteristics of the new motor The Aurora LPRA will automatically re learn the motor s characteristics if parameter 1A Motor Full Load Current or parameter 2L Adaptive Control Gain is changed Brake Brake reduces the time the motor requires to stop During braking an increased noise level from the motor may be audible This is a normal part of motor braking CAUTION If the brake torque is set too high the motor will stop before the end of the brake time and the motor will suffer unnecessary heating which could result in damage Careful configuration is required to ensure safe operation of the starter and motor A high brake torque setting can result in peak currents up to motor DOL being drawn while the motor is stopping Ensure protection fuses installed in the motor branch circuit are selected appropriately 32 CMG Aurora LPRA 1106 edition 1 0 0 CAUTION Brake operation causes the motor to heat faster than the rate calculated by the motor thermal model If you are using brake install a motor thermistor or allow sufficient restart delay parameter 5A Brake Whe
55. ing the starter s performance Related parameters 4A 5B 16B EXCESS S parameter 1A Motor Full Load Current is not appropriate for the motor parameter 2B Current Limit has been set too low parameter 2D Start Ramp Time has been set greater than the setting for 2G Excess Start Time setting parameter 2D Start Ramp Time is set too short for a high inertia load when using Adaptive Acceleration Control Related parameters 1A 1C 2B 2D 2G 3B 3D 3G 16H FLE TOO HIGH FLC The Aurora LPRA can support higher motor full load current values when connected to OUT OF RANGE the motor using inside delta configuration rather than in line connection If the soft starter is connected in line but the programmed setting for parameter 1A Motor Full Load Current is above the in line maximum the soft starter will trip at start Related parameters 1A 1C FREGUENCY MAINS The mains frequency has gone beyond the specified range SUPPLY Check for other equipment in the area that could be affecting the mains supply particularly variable speed drives and switch mode power supplies SMPS If the Aurora LPRA is connected to a generator set supply the generator may be too small or could have a speed regulation problem Related parameters 4G 4H 5G 16F HEATSINE Check if cooling fans are operating If mounted in an enclosure check if ventilation is ONERTEMPERATURE adequate Fans operate during Start Run and for 10 minutes after the starter exits the Stop state
56. ke jog and e These features are only available with in line installation If the PowerThrough functions not Aurora LPRA is installed inside delta these features will not operate working After selecting Adaptive Control e The first Adaptive Acceleration Control start is constant current so the motor used an ordinary start that the starter can learn from the motor characteristics Subsequent and or the second start was starts use Adaptive Acceleration Control different to the first PowerThrough does not operate The starter will trip on Lx Tx Shorted on the first start attempt after when selected control power is applied PowerThrough will not operate if control power is cycled between starts Parameter settings cannot be e Make sure you are saving the new value by pressing the stored MENU ENTER button after adjusting a parameter setting If you press EXIT the change will not be saved e Check that the adjustment lock parameter 15B is turned off If the adjustment lock is on settings can be viewed but not changed You need to know the security access code to change the adjustment lock setting e The EEPROM may be faulty on the keypad A faulty EEPROM will also trip the soft starter and the keypad will display the message Parameter Out Of Range Contact your local supplier for advice 72 CMG Aurora LPRA 1106 edition 1 0 0 Accessories Communication Modules Aurora LPRA soft starters support network communication using t
57. ll load current Set so that the motor begins to accelerate immediately after a start is initiated If current ramp starting is not required set the initial current equal to the current limit CMG Aurora LPRA 1106 edition 1 0 0 41 2D Start Ramp Time Range 1 180 seconds Default 10 seconds Description Sets the total start time for an Adaptive Acceleration Control start or the ramp time for current ramp starting from the initial current to the current limit 2E Kickstart Level Parameter 2E Kickstart Level Range 100 700 FLC Default 500 Description Sets the level of the kickstart current 2F Kickstart Time Parameter 2F Kickstart Time Range 0 2000 milliseconds Default 0000 milliseconds Description Sets the kickstart duration A setting of O disables kickstart CAUTION Kickstart subjects the mechanical equipment to increased torque levels Ensure the motor load and couplings can handle the additional torque before using this feature 2G Excess Start Time Excess start time is the maximum time the Aurora LPRA will attempt to start the motor If the motor does not transition to Run mode within the programmed limit the starter will trip Set for a period slightly longer than required for a normal healthy start A setting of 0 disables excess start time protection Range 0 00 4 00 minutes seconds Default 20 seconds Description Set as required 2H Stop Mode Optio
58. ltage ramp reduces the voltage to the motor gradually over a defined time The load may continue to run after the stop ramp is complete Timed voltage ramp stopping can be useful for applications where the stop time needs to be extended or to avoid transients on generator set supplies i Sys oo 100 90 1 Stop time parameter 21 80 70 60 50 40 30 20 10 Voltage full voltage 04749 B Time Adaptive Control for Stopping In an adaptive control soft stop the Aurora LPRA controls the current in order to stop the motor within a specified time and using a selected deceleration profile Adaptive Deceleration Control can be useful in extending the stopping time of low inertia loads NOTE Adaptive control does not actively slow the motor down and will not stop the motor faster than a A coast to stop To shorten the stopping time of high inertia loads use brake CAUTION Adaptive Control controls the motor s speed profile within the programmed time limit This may result in a higher level of current than traditional control methods Every application has a particular stopping profile based on characteristics of the load and the motor Adaptive Deceleration Control offers three different stopping profiles Choose the adaptive control profile that best matches your application requirements CMG Aurora LPRA 1106 edition 1 0 0 31 Adaptive Deceleration Control To use Adaptive Deceleration Control to control
59. n brake is selected the Aurora LPRA uses DC injection to slow the motor Aurora LPRA braking e Does not require the use of a DC brake contactor e Controls all three phases so that the braking currents and associated heating are evenly distributed through the motor Braking has two stages 1 Pre brake provides an intermediate level of braking to slow motor speed to a point where full brake can be operated successfully approximately 7096 speed 2 Full brake brake provides maximum braking torque but is ineffective at speeds greater than approximately 70 To configure the Aurora LPRA for brake operation 1 Set parameter 2l for the desired stopping time duration 1 This is the total braking time and must be set sufficiently longer than the brake time parameter 15H to allow the pre braking stage to reduce motor speed to approximately 70 If the stop time is too short braking will not be successful and the motor will coast to stop 2 Set Brake Time parameter 15H to approximately one quarter of the programmed Stop Time This sets the time for the Full Brake stage 2 3 Adjust the Brake Torque parameter 15G so that the desired stopping performance is achieved If set too low the motor will not stop completely and will coast to stop by the end of the braking period 100 c 1 Stop time parameter 2l fp REPRESA NL 2 Brake time parameter 15H Pe 8 3 Coast to stop time 75 5096 25 a B Time
60. nations use 2 5mm plug in terminal blocks Unplug each block complete the wiring then reinsert the block 09174 A MODI TET PSPRPSPSPSPAPSAPSPSESN Relay outputs 3 Inputs and outputs 13 14 Relay output A 54 55 Start 21 22 24 Relay output B 56 57 33 34 Relay output C 58 57 Control voltage A5 A6 110 120 VAC A4 A6 220 240 VAC NOTE If you are not using a thermistor do not short terminals 64 65 gt CMG Aurora LPRA 1106 edition 1 0 0 13 Control Wiring The Aurora LPRA has three fixed inputs for remote control These inputs should be controlled by contacts rated for low voltage low current operation gold flash or similar 1 Two wire control F3 EON E Tl 2 Three wire control mm i A 3 Fourwirecontrol 56 Ll A Start E B Stop CAUTION Do not apply voltage to the control input terminals These are active 24 VDC inputs and must be controlled with potential free contacts 56 ao Fes 58 58 00 A amp 08721 B Cables to the control inputs must be segregated from mains voltage and motor cabling Relay Outputs The Aurora LPRA has three programmable relay outputs Operation of the programmable outputs is determined by the settings of parameters 7A 71 e f assigned to Main Con
61. ngth of time the motor can run at locked rotor current from cold before reaching its maximum temperature Set according to the motor datasheet 1C Motor FLC 2 Range Model dependent Description Sets the secondary motor s full load current 1D Locked Rotor Time 2 Range 0 01 2 00 minutes seconds Default 10 seconds Description Sets the maximum length of time the motor can run at locked rotor current from cold before reaching its maximum temperature Set according to the motor datasheet 1E Dual Thermal Model Options Single Default Dual Description Activates dual thermal modelling The dual thermal model is required only if the Aurora LPRA is controlling two physically separate motors NOTE IN The second thermal model is only active if parameter 1E Dual Thermal Model is set to Dual and the starter is using the secondary motor set a programmable input is set to Motor Set Select and the input is active 2 Primary Start Stop 2A Start Mode Options Constant Current Default Adaptive Control Description Selects the soft start mode 2B Current Limit Range 100 600 FLC Default 350 Description Sets the current limit for constant current and current ramp soft starting as a percentage of motor full load current 2C Initial Current Range 100 600 FLC Default 350 Description Sets the initial start current level for current ramp starting as a percentage of motor fu
62. noring stop commands and trips Emergency run is controlled using a programmable input 15D Current Calibration Range 85 115 Default 100 Description Calibrates the soft starter s current monitoring circuits to match an external current metering device Use the following formula to determine the necessary adjustment Calibration Current shown on Aurora LPRA display Current measured by external device eg 102 66A 65A NOTE AN This adjustment affects all current based functions and protections 52 CMG Aurora LPRA 1106 edition 1 0 0 15E Shorted SCR Action Options 3 Phase Control only Default PowerThrough Description Selects whether the soft starter will allow PowerThrough operation For critical applications this allows the soft starter to control the motor with two phase control if the soft starter is damaged on one phase PowerThrough only operates after the soft starter has tripped on Lx Tx Shorted and has been reset NOTE A PowerThrough is only available with in line installations If the Aurora LPRA is installed inside delta PowerThrough will not operate The starter will trip on Lx Tx Shorted on the first start attempt after control power is applied PowerThrough will not operate if control power is cycled between starts CAUTION PowerThrough uses a two phase soft start technology and additional care is required when sizing circuit breakers and protection Contact your local supplier
63. ns Coast To Stop Default TVR Soft Stop Adaptive Control Brake Description Selects the stop mode 21 Stop Time Range 0 00 4 00 minutes seconds Default 0 seconds Description Sets the time for soft stopping the motor using timed voltage ramp or Adaptive Control If a main contactor is installed the contactor must remain closed until the end of the stop time Use a programmable output configured to Run to control the main contactor Sets the total stopping time when using brake 2J Adaptive Start Profile Options Early Acceleration Constant Acceleration Default Late Acceleration Description Selects which profile the Aurora LPRA will use for an Adaptive Acceleration Control soft start 2K Adaptive Stop Profile Options Early Deceleration Constant Deceleration Default Late Deceleration Description Selects which profile the Aurora LPRA will use for an Adaptive Deceleration Control soft stop 42 CMG Aurora LPRA 1106 edition 1 0 0 2L Adaptive Control Gain Range 1 200 Default 75 Description Adjusts the performance of Adaptive Control This setting affects both starting and stopping control NOTE NM We recommend leaving the gain setting at the default level unless performance is not satisfactory If the motor accelerates or decelerates too quickly at the end of a start or stop increase the gain setting by 596 1096 If the motor speed fluctuates during starting or stopping decrease t
64. on for e current e motor temperature e motor kW e motor kVA e motor power factor The newest information is displayed at the right hand edge of the screen Older data is not stored To access the graphs or to change which graph is shown press the GRAPHS button The graph can also be paused to allow past performance to be analysed To pause the graph press and hold the GRAPHS button for more than 0 5 seconds To unpause the graph press the GRAPHS button again NOTE NM The Aurora LPRA will not collect data while the graph is paused When graphing resumes a small gap will be shown between the old data and the new data Start Stop and Reset Commands The soft starter can be controlled in three ways e using the buttons on the keypad e via remote inputs e viaaserial communication link The LOCAL REMOTE button controls whether the Aurora LPRA will respond to local control via the keypad or remote control via the remote inputs The Aurora LPRA can also be set to allow local control only or remote control only using parameter 6A Local Hemote The Local LED on the keypad is on when the soft starter is in local control mode and off when the soft starter is in remote control mode The STOP button on the keypad is always enabled Control via the serial communication network is always enabled in local control mode and can be enabled or disabled in remote control mode refer to parameter 6B Control via the serial communication network r
65. or Temperature Check is set to Check the soft starter will only permit a start when it calculates that the motor has sufficient thermal capacity to complete the start successfully Wait for the motor to cool before attempting another start The emergency stop function may be active If parameter 6D or 4D is set to Emergency Stop and there is an open circuit on the corresponding input the Aurora LPRA will not start lf the emergency stop situation has been resolved close the circuit on the input NOTE Parameter 6A Local Remote controls when the LOCAL REMOTE button is enabled A reset does not occur after an e The remote 2 wire start signal must be removed and reapplied for a Auto Reset when using a remote re start two wire control Remote start stop command is e Auto Start Stop function should only be used in Remote mode 3 and overriding Auto Start Stop 4 wire control settings when using remote two wire control Non resettable Thermistor Cct e The thermistor input is enabled once a link is fitted and short circuit trip when there is a link between protection has activated the thermistor input 64 65 or Remove the link then load the default parameter set This will when the motor thermistor disable the thermistor input and clear the trip connected between 64 65 is Place a 1k2 Q resistor across the thermistor input permanently removed Turn thermistor protection to Log only parameter 16G CMG Aurora LPRA 1106
66. or solid conductors rated for 75 C 14 CMG Aurora LPRA 1106 edition 1 0 0 NOTE NM Some units use aluminium bus bars When connecting power terminations we recommend cleaning the surface contact area thoroughly using an emery or stainless steel brush and using an appropriate jointing compound to prevent corrosion LPRA 0023B LPRA 0105B mn Cable size Torx T20 x 150 6 50 mm AWG 10 1 0 Torque 4 Nm 2 9 Ft Ib 14 mm 0 55 inch Flat 7 mm x 150 Torque 4 Nm 2 9 Ft lb LPRA 0145B LPRA 0170B LPRA 0220B LPRA 0255C 8 5 Nm 6 3 ft lb 8 5 Nm 6 3 ft lb 17 Nm 12 5 ft lb dell Sle o 08352 A 3 3 n gt ol 19 mm LPRA 0360C LPRA 0930C LPRA 1200C LPRA 1600C 38 Nm 28 5 ft lb 58 Nm 42 7 ft lb o 08353 A 3 a 08354 A The bus bars on non bypassed models LPRA 0360C LPRA 1600C can be adjusted for top or bottom input and output as required Refer to Bus bar Adjustment Procedure for step by step instructions Input Output Output Input 5 5 J TaN E o je m 5 9 o o e o o o o o o Ol l o o o Lo Input Output Input Output B o CMG Aurora LPRA 1106 edition 1 0 0 15 Schematic Diagrams Intern
67. put A Trip 4F Motor Temperature Check Always Active Do Not Check 4G Frequency Check Start Run 4H Frequency Variation 5 Hz 5 Protection Delays 5A Restart Delay 00 10 mm ss 5B Current Imbalance Delay 00 03 mm ss 5C Undercurrent Delay 00 05 mm ss 5D Instantaneous Overcurrent Delay 00 00 mm ss 5E Input A Trip Delay 00 00 mm ss 5F Input A Initial Delay 00 00 mm ss 5G Frequency Delay 00 01 mm ss 6 Inputs 6A Local Hemote LCL RMT Anytime 6B Comms in Remote 6C Remote Reset Logic 6D Input A Function 6E Inout A Name Enable Ctrl in Remote Normally Closed N C Motor Set Select Input Trip CMG Aurora LPRA 1106 edition 1 0 0 39 Default Setting 7 Relay Outputs 7A Relay A Function Main Contactor 7B Relay A On Delay 00 00 mm ss 7C Relay A Off Delay 00 00 mm ss 7D Relay B Function Run 7E Relay B On Delay 00 00 mm ss 7F Relay B Off Delay 00 00 mm ss 7G Relay C Function Trip 7H Relay C On Delay 00 00 mm ss 7 Relay C Off Delay 00 00 mm ss 7J Low Current Flag 5096 FLC 7K High Current Flag 10096 FLC 7L Motor Temperature Flag 8096 8 Analog I O 8A Analog Output A Current FLC 8B Analog A Scale 4 20 mA 8C Analog A Maximum Adjustment 10096 8D Analog A Minimum Adjustment 096 9 Auto Reset 9A Auto Heset Action Do Not Auto Reset 9B Maximum Resets 1 9C Reset Delay Groups A amp B 00 05 mm ss 9D Reset Delay Group C 5 minutes 10 Display 10A Language English 10B User Screen Top
68. r settings to an internal file In addition to the factory default values file the Aurora LPRA can store two user defined parameter files These files contain default values until a user file is saved To load or save parameter settings 1 Open the Setup Tools 2 Scroll to Load Save Settings and press the ENTER button LOAD SAVE SETTINGS 3 Scroll to the required function and press the ENTER button LOAD DEFAULTS LOAD USER SET 1 LOAD USER SET CMG Aurora LPRA 1106 edition 1 0 0 55 4 Atthe confirmation prompt select YES to confirm or NO to cancel LOAD DEFAULTS and then MENU ENTER to load save the selection Ha VES When the action has been completed the screen will briefly display a confirmation message then return to the status screens Reset Thermal Models NOTE This function is protected by the security access code The Aurora LPRA s advanced thermal modelling software constantly monitors the motor s performance This allows the Aurora LPRA to calculate the motor s temperature and ability to start successfully at any time If the Aurora LPRA is configured for use on two motors each motor s temperature is modelled separately The thermal model for the active motor can be reset if required 1 Open the Setup Tools 2 Scroll to Reset Thermal Models and press ENTER RESET THERMAL MODELS Hi xXx H ENTER TO RESET 3 Use W to select Reset and press MENU ENTER to confirm DO HOT RESET RESET
69. rcuit breaker CMG Aurora LPRA 1106 edition 1 0 0 19 Inside delta installation non bypassed Semiconductor fuses optional KM1 F1 1 11 2 11 3 L2 4 12 v1 2 M V2 5 5 L3 6 T3 Tk ER ER D D O 04483 C A CAUTION When connecting the Aurora LPRA in inside delta configuration always install a main contactor or shunt trip circuit breaker Bypass Contactor Some Aurora LPRA soft starters are internally bypassed and do not require an external bypass contactor Non bypassed soft starters may be installed with an external bypass contactor Select a contactor with an AC1 rating greater than or equal to the full load current rating of the connected motor Main Contactor A main contactor must be installed if the Aurora LPRA is connected to the motor in inside delta format and is optional for in line connection Select a contactor with an AC3 rating greater than or equal to the full load current rating of the connected motor Circuit Breaker A shunt trip circuit breaker may be used instead of a main contactor to isolate the motor circuit in the event of a soft starter trip The shunt trip mechanism must be powered from the supply side of the circuit breaker or from a separate control supply Power Factor Correction If power factor correction is used a dedicated contactor should be used to switch in the capacitors CAUTION Power fa
70. re pipeline pressure needs to build up slowly e the electricity supply is limited for example a generator set and a slower application of load will allow greater time for the supply to respond 28 CMG Aurora LPRA 1106 edition 1 0 0 700 n TT 600 D LO x S 500 7 ge A y x E 400957 o i ag 1 Initial current parameter 2C 2 90006 2 Start ramp time parameter 2D E 200941 3 Current limit parameter 2B os Z M O u 4 Full voltage current g o EE O O O _ Og Time Adaptive Control for Starting Adaptive Acceleration Control is a new intelligent motor control technique In an adaptive control soft start the Aurora LPRA adjusts the current in order to start the motor within a specified time and using a selected acceleration profile CAUTION Adaptive Acceleration Control cannot start the motor faster than a direct on line DOL start If the start ramp time parameter 2D is shorter than the motor s DOL start time starting current may reach DOL levels Every application has a particular starting profile based on characteristics of the load and the motor Adaptive Acceleration Control offers three different starting profiles to suit the requirements of different applications Selecting a profile that matches the inherent profile of the application can help smooth out acceleration across the full start time Selecting a dramatically different Adaptive Control profile can somewhat neutralise the in
71. rformance Could ed za Es oa Ra nu Eae dr Een kde ul nd a n AR ER a AXE RE a der s 57 Application Examples ciao edo teret caidas 58 CMG Aurora LPRA 1106 edition 1 0 0 1 Installation with Main Contactor ooocccccccccnoccncnncnnononenanannnononononanonnnnnnnononnnncnnnn nono nana nnnnnn nono sr AAAA EEE anna sa a sss sd sedan 58 Installation with Bypass Contactor ssssssssssssessesseeenennneee nennen nennen nennen rint isse teneri sn nnne senes 59 Emergency R n OperatioN irentsi hiiri ku adausi aa netten adaa enee nnne internes sinn sss en kaiean aa adai iida 60 Auxiliary ES viz ey cashes scnai ye Nate tinea eesshav lace aah deasiaey cacetilarnds eta dels daan eave Rieniasntuyencaeestiness 61 DC Brake with External Zero Speed Sensor sse enne nennen ernst enne 62 Soft Braking t td iet etc daa 63 Two SpeedMOItOr ten eot et Te ten en eate veau edet ic vett Puit bd ei ed 65 Troubleshooting me T aiaia 67 Protection HespOrses er e oc cc AA aaa 67 Trip MESSAGES itt REED Pi Lavinia td pa iae t bea SE aec eret 68 CA A O 71 li p 73 Communication Modules tatiana 73 EA E ivi a prevaiihebacediacedatenstatees 73 iS Xo I A 73 Bus Bar Adjustment ProcedUre rien otn uana tds acu cerda nana a cuna eva dran auado 74 2 CMG Aurora LPRA 1106 edition 1 0 0 Caution Statements This
72. rs Run 10E User Screen Bottom Right Blank 10J Display A or kW Current 38 CMG Aurora LPRA 1106 edition 1 0 0 Extended Menu The extended menu provides access to all parameters Default Setting 1 Motor Details 1A Motor Full Load Current 1B Locked Rotor Time 1C Motor FLC 2 1D Locked Rotor Time 2 1E Dual Thermal Model Model dependent 00 10 mm ss Model dependent 00 10 mm ss Single 2 Primary Start Stop 2A Start Mode 2B Current Limit 2C Initial Current 2D Start Ramp Time 2bE Kickstart Level 2F Kickstart Time 2G Excess Start Time 2H Stop Mode 2 Stop Time 2J Adaptive Start Profile 2K Adaptive Stop Profile 2L Adaptive Control Gain Constant Current 35096 FLC 350 FLC 00 10 mm ss 50096 FLC 0 ms 00 20 mm ss Coast to Stop 00 00 mm ss Constant Acceleration Constant Deceleration 75 3 Secondary Start Stop 3A Start Mode 2 3B Current Limit 2 3C Initial Current 2 3D Start Ramp 2 3E Kickstart Level 2 3F Kickstart Time 2 3G Excess Start Time 2 3H Stop Mode 2 3l Stop Time 2 3J Adaptive Start Profile 2 3K Adaptive Stop Profile 2 Constant Current 35096 FLC 35096 FLC 00 10 mm ss 50096 FLC 0 ms 00 20 mm ss Coast to Stop 00 00 mm ss Constant Acceleration Constant Deceleration 3L Adaptive Control Gain 2 7596 4 Protection Levels 4A Current Imbalance 3096 4B Phase Sequence Any Sequence 4C Undercurrent 2096 FLC 4D Instantaneous Overcurrent 400 FLC 4E In
73. rt 9A Auto Reset Action Options Do Not Auto Reset Default Reset Group A Reset Group A amp B Reset Group A B amp C Description Selects which trips can be auto reset 9B Maximum Resets Range 1 5 Default 1 Description Sets how many times the soft starter will auto reset if it continues to trip The reset counter increases by one each time the soft starter auto resets and decreases by one after each successful start stop cycle NOTE IN If the starter is manually reset the resets counter will return to zero 50 CMG Aurora LPRA 1106 edition 1 0 0 9C 9D Auto Reset Delay The Aurora LPRA can be configured to wait before auto resetting a trip Separate delays can be set for trips in Groups A and B or in Group C Parameter 9C Heset Delay Groups A amp B Range 00 05 15 00 minutes seconds Default 5 seconds Description Sets the delay before resetting Group A and Group B trips Parameter 9D Reset Delay Group C Range 5 60 minutes Default 5 minutes Description Sets the delay before resetting Group C trips 10 Display 10A Language Options English Default Portuguese Chinese French Spanish Italian German Russian Description Selects which language the keypad will use to display messages and feedback 10B 10C 10D 10E User Programmable Screen Options Blank Displays no data in the selected area allowing long messages to be shown without overlapping Starter Stat
74. ry to break off these tabs Models which are internally bypassed do not require an external bypass contactor In line installation internally bypassed MD Main contactor optional pes St A OT Semiconductor fuses optional a ps w DA of M 04478 B CMG Aurora LPRA 1106 edition 1 0 0 17 In line installation externally bypassed Non bypassed models have dedicated bypass terminals which allow the Aurora LPRA to continue providing protection and monitoring functions even when bypassed via an external bypass contactor The bypass contactor must be connected to the bypass terminals and controlled by a programmable output configured to Run refer to parameters 7A 71 ie Bypass contactor external P Semiconductor fuses optional 1 F1 ys Haer A E en pm L1B AS B 312 7 I 5E 4IT2 LE M L2B A mna f 5E ml py ust K as E i 13 14 33 KM1 34 M KM2 NOTE NM The bypass terminals on LPRA 0255C are T1B T2B T3B The bypass terminals on LPRA 0360C LPRA 1600C are L1B L2B L3B The fuses can be installed on the input side if required In line installation non bypassed Main contactor optional a Semiconductor fuses optional qd caesi e x 7 E 92 4T2 M Y 3 qu 5
75. s a short boost of extra torque at the beginning of a start and can be used in conjunction with current ramp or constant current starting Kickstart can be useful to help start loads that require high breakaway torque but then accelerate easily for example flywheel loads such as presses 700 a ew H Bc RT M o EN 1 Kickstart level parameter 2E 2 Kickstart time parameter 2F 3 Initial current parameter 2C 4 Start ramp time parameter 2D 5 Current limit parameter 2B 6 Full voltage current 400 i 300 200 100 m M e 4 3 S 0 T T T T T T T T T 10 20 30 40 50 60 70 80 90 100 Current Ymotor full load current Rotor speed full speed 30 CMG Aurora LPRA 1106 edition 1 0 0 Stop Methods Soft starters offer a variety of methods for the control of motor stopping Stop Method Performance Result Coast To Stop Natural load run down TVR Soft Stop Extended run down time Adaptive Control Extended run down time according to selected deceleration profile Reduced run down time Soft starters are often used in pumping applications to eliminate the damaging effects of fluid hammer Adaptive Deceleration Control should be the preferred stop method for these applications Coast to Stop Coast to stop lets the motor slow at its natural rate with no control from the soft starter The time required to stop will depend on the type of load TVR Soft Stop Timed vo
76. ser These trips can be caused by external events such as phase loss or by a fault within the soft starter To reset a pre defined trip proceed in the same way as for any other trip identify and clear the condition that triggered the trip then press the RESET button on the keypad or activate the Reset remote input See Start stop and reset commands CMG Aurora LPRA 1106 edition 1 0 0 67 Trip Messages This table lists soft starter s protection mechanisms and the probable cause of the trip Some of these can be adjusted using parameter group 4 Protection Levels and parameter group 16 Protection Action other settings are built in system protections and cannot be set or adjusted BATTERY CLOCK A verification error has occurred on the real time clock or the backup battery voltage is low If the battery is low and the power is off date time settings will be lost Reprogram the date and time Related parameters 16K CURRENT IMEALANCE Current imbalance can be caused by problems with the motor the environment or the installation such as Animbalance in the incoming mains voltage e A problem with the motor windings e A light load on the motor Current imbalance can also be caused by incorrect cabling between the external bypass contactor and the soft starter or an internal problem with the soft starter particularly an SCR that has failed open circuit A failed SCR can only be definitely diagnosed by replacing the SCR and check
77. stopping performance 1 Select Adaptive Control from the Stop Mode menu parameter 2H 2 Setthe desired Stop Time parameter 21 3 Select the required Adaptive Stop Profile parameter 2K i Dn lt gt z i 100 TEES A Adaptive Control stop profile parameter 2K 90 Se II 1 Early deceleration 80 k b 2 Constant deceleration iiie n B 3 Late deceleration en ia X 4 Stop time parameter 21 7 s N 40 4 E Ne 30 4 a N S NS g 20 4 oe Y 10 4 MIS SS 3 e 0 Es E Time NOTE DM Pump stopping The hydraulic characteristics of pump systems vary considerably This variation means the ideal deceleration profile and stop time will vary from application to application The table provides guidelines on selecting between Adaptive Control deceleration profiles but we recommend testing the three profiles to identify the best profile for the application Adaptive Stop Profile Application Late Deceleration High head systems where even a small decrease in motor pump speed results in a rapid transition between forward flow and reverse flow Low to medium head high flow applications where the fluid has high momentum driving the pump in reverse The first Adaptive Deceleration Control stop will be a normal soft stop This allows the Aurora LPRA to learn the characteristics of the connected motor This motor data is used by the Aurora LPRA during subsequent Adaptive Control stops NOTE NM Adaptive Control w
78. symbol is used throughout this manual to draw attention to topics of special importance to the installation and operation of Aurora LPRA soft starters Caution Statements cannot cover every potential cause of equipment damage but can highlight common causes of damage Itis the installer s responsibility to read and understand all instructions in this manual prior to installing operating or maintaining the soft starter to follow good electrical practice including applying appropriate personal protective equipment and to seek advice before operating this equipment in a manner other than as described in this manual The examples and diagrams in this manual are included solely for illustrative purposes The information contained in this manual is subject to change at any time and without prior notice In no event will responsibility or liability be accepted for direct indirect or consequential damages resulting from the use or application of this equipment NOTE IN The Aurora LPRA soft starter is not user serviceable The unit should only be serviced by authorised service personnel Unauthorised tampering with the unit will void the product warranty Electrical shock risk The voltages present in the following locations can cause severe electric shock and may be lethal e AC supply cables and connections e Output cables and connections e Many internal parts of the starter and external option units The AC supply must be disconnected from the start
79. tactor The main contactor is controlled by the Aurora LPRA Main Contactor output which by default is assigned to Output Relay A terminals 13 14 1 Three phasesupply 2 j Mototermnals 3 Controlvoltage 4 Remotecontolinpts 5 Motorthermistorinput 6 Relay outputs Semiconductor fuses optional Parameter settings e Parameter 7A Relay A Function e Select Main Contactor assigns the Main Contactor function to Relay Output A default setting 58 CMG Aurora LPRA 1106 edition 1 0 0 Installation with Bypass Contactor The Aurora LPRA is installed with a bypass contactor AC1 rated The bypass contactor is controlled by the Aurora LPRA Run Output which by default is assigned to Output Relay B terminals 21 22 24 KM1 Fi E5 0 B i E Parameter settings e Parameter 7D Relay B Function 08878 A 1 Threephasesuppy 2 Motor terminais 3 Controlvoltage 4 Remote control inputs 5 Motor thermistor input 6 Relay outputs Bypass contactor external Semiconductor fuses optional e Select Run assigns the run output function to Relay Output B default value CMG Aurora LPRA 1106 edition 1 0 0 59 Emergency Run
80. tactor the output activates as soon as the soft starter receives a start command and remains active while the soft starter is controlling the motor until the motor starts a coast to stop or until the end of a soft stop e lf assigned to Run the output activates when the soft start is complete when the starting current falls below 120 of the programmed motor full load current and remains closed until the beginning of a stop either soft stop or coast to stop e f assigned to a trip function the output activates when a trip occurs e f assigned to a flag the output activates when the specified flag is active parameters 7J 7L CAUTION Some electronic contactor coils are not suitable for direct switching with PCB mount relays Consult the contactor manufacturer supplier to confirm suitability Motor Thermistors Motor thermistors can be connected directly to the Aurora LPRA The soft starter will trip when the resistance of the thermistor circuit exceeds approximately 3 6 kQ 64 No motor thermistors 65 Thermistor input Motor thermistors DID als 08722 A NOTE IN If no motor thermistors are connected to the Aurora LPRA thermistor input terminals 64 65 must be open If 64 65 are shorted the Aurora LPRA will trip The thermistor circuit should be run in screened cable and must be electrically isolated from earth and all other power and control circuits Power Terminations Use only copper stranded
81. ter a restricted parameter group the keypad prompts for an access code The access code is requested once for the programming session and authorisation continues until the user closes the menu To enter the access code use the EXIT and ENTER buttons to select a digit and the A and W buttons to change the value When all four digits match your access code press MENU ENTER The keypad will display an acknowledgement message before continuing ENTER ACCESS CODE MENU ENTER To change the access code use parameter 15A The default access code is 0000 Setup Tools Setup Tools includes maintenance options to configure the Aurora LPRA s date and time reset the thermal models or load a standard parameter set To access the Setup Tools open the Programming Menu then select Setup Tools Set Date and Time To set the date and time Open the Setup Tools Scroll to the date time screen Press the ENTER button to enter edit mode Press the ENTER and EXIT buttons to select which part of the date or time to edit Use the A and W buttons to change the value To save changes press the ENTER button The Aurora LPRA will confirm the changes To cancel changes press the EXIT button Og Our Load Save Settings The Load Save Settings menu requires an access code and allows users to e Load the Aurora LPRA s parameters with default values e Reload previously saved parameter settings from an internal file e Save the current paramete
82. tings 64 CMG Aurora LPRA 1106 edition 1 0 0 Two Speed Motor The Aurora LPRA can be configured for control of dual speed Dahlander type motors using a high speed contactor KM1 low speed contactor KM2 and a star contactor KM3 NOTE DM Pole Amplitude Modulated PAM motors alter the speed by effectively changing the stator frequency using external winding configuration Soft starters are not suitable for use with this type of two speed motor When the soft starter receives a high speed start signal it closes the high speed contactor KM1 and star contactor KM3 then controls the motor according to the primary motor settings When the soft starter receives a low speed start signal it closes the low speed contactor KM2 This closes Input A and the Aurora LPRA controls the motor according to the secondary motor settings KM3 A T4 o T5 o L 98 F1 KM2 Ti A 0 1 L1 2 T1e o B e Lo 3 L2 rot LEE 3 a 5 L3 6 T3o MT D o Eo A4 o7 E A5 o KM3 KM1 A6 o 53 KA2 KM2 KM3 e B o X 55 24 ls E KA1 KM3 KM1 I o o o KM1 Y N e KM2 KM2 56 po v 57 KA2 o OA S1 T 58 N a KA1 o 2 e KA1 oA LL KA2 gu m Control voltage Remote control inputs Relay outputs KA1 Remote start relay low speed KA2 Remote start relay high speed S1 KM1 KM2 KM3 21 22 24 Motor terminals R
83. to Event Log and press ENTER 3 Usethe A and W buttons to select an event to view and press ENTER to display details To close the log and return to the main display press EXIT repeatedly Performance Counters The performance counters store statistics on the starter s operation e Hours run lifetime and since counter last reset e Number of starts lifetime and since counter last reset e Motor kWh lifetime and since counter last reset e Number of times the thermal model has been reset To view the counters 1 Open the Logs Menu 2 Scroll to counters and press ENTER 3 Usethe A and W buttons to scroll through the counters Press ENTER to view details 4 To reset a counter press ENTER then use the A and W buttons to select Reset Do Not Reset Press MENU ENTER to confirm the action To close the counter and return to the Logs Menu press ENTER NOTE The reset counters function is protected by the access code CMG Aurora LPRA 1106 edition 1 0 0 57 Application Examples A selection of Application Notes are available describing advanced installation or configuration of the Aurora LPRA for situations with specific performance requirements Application notes are available for situations including brake and jog operation pumping and advanced protection options Installation with Main Contactor The Aurora LPRA is installed with a main contactor AC3 rated Control voltage must be supplied from the input side of the con
84. top Mode 2 Options Coast to Stop Default TVR Soft Stop Adaptive Control Brake Description Selects the stop mode CMG Aurora LPRA 1106 edition 1 0 0 43 3I Stop Time 2 Range 0 00 4 00 minutes seconds Default O seconds Description Sets the stop time 3J Adptv Start Prof 2 Options Early Acceleration Constant Acceleration Default Late Acceleration Description Selects which profile the Aurora LPRA will use for an Adaptive Acceleration Control soft start 3K Adptv Stop Prof 2 Options Early Deceleration Constant Deceleration Default Late Deceleration Description Selects which profile the Aurora LPRA will use for an Adaptive Deceleration Control soft stop 3L Adptv Ctrl Gain 2 Range 1 200 Default 75 Description Adjusts the performance of Adaptive Control This setting affects both starting and stopping control 4 Protection Levels 4A Current Imbalance Range 10 50 Default 30 Description Sets the trip point for current imbalance protection 4B Phase Sequence Range Any sequence Default Positive only Negative only Description Selects which phase sequences the soft starter will allow at a start During its pre start checks the starter examines the sequence of the phases at its input terminals and trips if the actual sequence does not match the selected option 4C Undercurrent Range 0 100 Default 20 Description Se
85. ts the duration for DC injection during a braking stop CMG Aurora LPRA 1106 edition 1 0 0 53 16 Protection Action CAUTION Defeating the protection may compromise the starter and motor and should only be done in the case of emergency 16A 16L Trip Actions Options Trip Starter Default Warn and Log Log Only Description Selects the soft starter s response to each protection 16A Motor Overload 16B Current Imbalance 16C Undercurrent 16D nstantaneous Overcurrent 16E nput A Trip 16F Frequency 16G Motor Thermistor 16H Excess Start Time 16l Starter Communication 16J Heatsink Overtemperature 16K Battery Clock 16L Network Communication Adjustment Lock You can lock the Programming Menu to prevent users from altering parameter settings The adjustment lock can be turned on and off using parameter 15B To lock the programming menu Open the Programming Menu Open the Extended Menu Select Restricted Enter the Access Code Select parameter 15B Adjustment Lock Select and store Read Only DARAN If a user attempts to change a parameter value when the adjustment lock is active an error message is displayed ACCESS DENIED ADI LOCKE IS OM 54 CMG Aurora LPRA 1106 edition 1 0 0 Access Code Critical parameters parameter group 15 and higher are protected by a four digit security access code preventing unauthorised users from viewing or modifying parameter settings When a user attempts to en
86. ts the trip point for undercurrent protection as a percentage of motor full load current Set to a level between the motor s normal working range and the motor s magnetising no load current typically 25 to 35 of full load current A setting of 0 disables undercurrent protection 4D Instantaneous Overcurrent Range 80 600 FLC Default 400 Description Sets the trip point for instantaneous overcurrent protection as a percentage of motor full load current 4E Input A Trip Options Always Active Default A trip can occur at any time when the soft starter is receiving power Operating Only A trip can occur while the soft starter is running stopping or starting Run Only A trip can only occur while the soft starter is running Description Selects when an input trip can occur 44 CMG Aurora LPRA 1106 edition 1 0 0 AF Motor Temp Check Range Do Not Check Default Check Description Selects whether the Aurora LPRA will verify the motor has sufficient thermal capacity for a successful start The soft starter compares the motor s calculated temperature with the temperature rise from the last motor start and only operates if the motor is cool enough to start successfully 4G Frequency Check Range Do Not Check Start Only Start Run Default Run Only Description Determines when and if the starter will monitor for a frequency trip 4H Frequency Variation Range 2 Hz 5 Hz Defa
87. ult 10 Hz 15 Hz Description Selects the soft starter s tolerance for frequency variation 5 Protection Delays 5A Restart Delay Range 00 01 60 00 minutes seconds Default 10 seconds Description The Aurora LPRA can be configured to force a delay between the end of a stop and the beginning of the next start During the restart delay period the display shows the time remaining before another start can be attempted 5B Current Imbalance Delay Range 0 00 4 00 minutes seconds Default 3 seconds Description Slows the Aurora LPRA s response to current imbalance avoiding trips due to momentary fluctuations 5C Undercurrent Delay Range 0 00 4 00 minutes seconds Default 5 seconds Description Slows the Aurora LPRA s response to undercurrent avoiding trips due to momentary fluctuations 5D Instantaneous Overcurrent Delay Range 0 00 1 00 minutes seconds Default 0 seconds Description Slows the Aurora LPRA s response to overcurrent avoiding trips due to momentary overcurrent events 5E Input A Trip Delay Range 0 00 4 00 minutes seconds Default 0 seconds Description Sets a delay between the input activating and the soft starter tripping 5F Input A Initial Delay Range 00 00 30 00 minutes seconds Default 0 seconds Description Sets a delay before an input trip can occur The initial delay is counted from the time a start signal is received The stat
88. urrent or control load acceleration and or deceleration The Aurora LPRA can be set to either Constant Current or Adaptive Acceleration Control To Control Motor Start Current Constant Current Motor Load Acceleration or Deceleration Adaptive Control Constant Current Constant current is the traditional form of soft starting which raises the current from zero to a specified level and keeps the current stable at that level until the motor has accelerated Constant current starting is ideal for applications where the start current must be kept below a particular level 03321 D 10 20 30 40 50 60 70 80 90 100 700 EB 600947 Bn g O 500 3 400 N ER Ds a i 1 Initial current parameter 2C 2 2 Current limit parameter 2B E 3 Full voltage current 3 o 5 O current Rotor speed full speed Current Ramp Current ramp soft starting raises the current from a specified starting level 1 to a maximum limit 3 over an extended period of time 2 Current ramp starting can be useful for applications where e the load can vary between starts for example a conveyor which may start loaded or unloaded Set the initial current parameter 2C to a level that will start the motor with a light load and the current limit parameter 2B to a level that will start the motor with a heavy load e the load breaks away easily but starting time needs to be extended for example a centrifugal pump whe
89. us or graph screens Remote input LEDs When on INPUT A Programmable input A is active START The remote start input is active STOP The remote stop input is active RESET The remote reset input is active 12648 A Starter Status LEDs LED name On Cd Flashing The motor is stopped and the starter is ready The motor is stopped and the starter is waiting for the Hestart Delay parameter 5A or Motor Temperature Check parameter 4F Run The motor is in run state receiving full The motor is starting or stopping voltage ian MOM RN RT Status The status screens are active Logs Thelogsmemuisopen Je If the starter is in Remote control mode the Local LED will be off If all LEDs are off the starter is not receiving control voltage Displays The keypad displays a wide range of performance information about the soft starter The bottom half of the screen shows real time information on current or motor power as selected in parameter 10J Use the STATUS button or amp and W buttons to select the information shown on the top half of the screen e Starter status e Motor temperature e Current e Motor power e Voltage e Last start information e Date and time CMG Aurora LPRA 1106 edition 1 0 0 25 NOTE Screens shown here are with the default settings Starter Status The starter status screen shows details of the starter s operating status motor temperature and motor power READY
90. ut and output connections at the starter and at the motor end Phase loss can also be caused by a failed SCR particularly an SCR that has failed open circuit A failed SCR can only be definitely diagnosed by replacing the SCR and checking the starter s performance Related parameters None During prestart checks the starter has detected a shorted SCR or a short within the bypass contactor as indicated Related parameters None The Aurora LPRA has detected a drop in the control voltage e Check the external control supply terminals A4 A5 A6 and reset the starter If the external control supply is stable e the 24 V supply on the main control PCB may be faulty or e the bypass driver PCB may be faulty internally bypassed models only This protection is not active in Ready state Related parameters None The motor has reached its maximum thermal capacity Overload can be caused by e The soft starter protection settings not matching the motor thermal capacity e Excessive starts per hour e Excessive throughput Damage to the motor windings Resolve the cause of the overload and allow the motor to cool Related parameters 1A 1B 1C 1D 2A 2B 3A 3B 16A The motor is not connected correctly to the soft starter for in line or inside delta use e Check individual motor connections to the soft starter for power circuit continuity e Check connections at the motor terminal box Related parameters 20G The motor thermistor input has been enabled an
91. you can use a zero speed sensor with the Aurora LPRA to turn the brake function off at motor standstill The zero speed sensor A2 is often referred to as an under speed detector Its internal contact is open at zero speed and closed at any speed above zero speed Once the motor has reached a standstill the Aurora LPRA will go into Emergency Stop mode and remain in this state until the next start command is given ie next application of KA1 The Aurora LPRA must be operated in remote mode and parameter 6D nput A Function must be set to emergency stop 12789 A 3 4 N d E a l Emergency stop mode shown on starter display Off Ready Stat 3 p Soft starter Control voltage 54 55 Start 56 57 Stop 58 57 Reset 3 Motor 4 Three phase supply 62 CMG Aurora LPRA 1106 edition 1 0 0 Soft Braking For applications with high inertia and or a variable load the Aurora LPRA can be configured for soft braking In this application the Aurora LPRA is employed with forward run and braking contactors When the Aurora LPRA receives a start signal pushbutton S1 it closes the forward run contactor KM1 and controls the motor according to the programmed primary motor settings When the Aurora LPRA receives a stop signal pushbutton S2 it opens the forward run contactor KM1 and closes the braking contactor KM2 after a delay of approximately 2 3 seconds KT1 KA3 is also closed to activate th

User Manual - LPRA 1107 (edition 1.0.0)

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