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EMX2 User Manual - AuCom Electronics

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9. 15 factory setting donotadust 16 factory setting donotadust J 17 factory settingdonotadust J 18 factory setting do not adjust 19 _ factory setting do not adjust 20 Software Version SECONDARY MOTOR SETTINGS 27 Phase Imbalance Protection 28 Undercurrent Protection ____ FLC COMMON PARAMETER SETTINGS 30 Restart Delay 32 Phase Imbalance Delay Ses EMX2 SERIES copes AMA00078 Rev A 6 SECTIONAL INDEX GETTING STARTED The chart below shows the major activities necessary to install and commission the EMX2 Series starter It is recommended that all users refer to at least the sections listed before commencing work First time users of soft start technology or the EMX2 are strongly encouraged to read this Users Manual completely prior to installation or commissioning PHYSICALLY INSTALL THE STARTER refer sections 5 Physical Specification CONNECT DESIRED POWER CIRCUIT refer sections 6 Electrical Connection Power Circuits CONNECT DESIRED CONTROL CIRCUIT refer sections 7 Electrical Connection Control Circuits COMMISSION STARTER refer sections 8 Commissioning Procedure 9 EMX2 Programming Procedure 10 Trouble Shooting EMX2 SERIES ji AMA00078 Rev A 6 SECTIONAL INDEX SECTION 1 CAUTION STATEMENTS Details possible causes of equipment damage SECTION 2 GENERAL DESCRIPTION
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15. 7 4 Control Supply 7 1 Current Ratings 2 5 2 ete 4 3 Application Specific i Current Output 7 5 Current Transformers EMX2 Installation 6 1 Calibration of 6 1 Connection 6 1 Programming EMX2 for connected CTs 9 12 D Digital Display Program Mode 9 3 Run Mode 3 11 Dimensions usu aaa e s Cama dis 5 1 Dual Speed Motors OVERVIEW ua nana s ss 6 6 Program EMX2 for use with 9 1 E Electronic Shearpin Protection DeScCFIptlOn awa Rus 3 10 Adjustment of primary motor speed 9 10 secondary motor speed 9 17 Electronics Supply wee 7 1 Emergency Stop pp 7 2 F FLC Select Input eoe eee tette te 7 2 F nctlon EISE 2 na 9 2 G General Description 2 2 1 H EMX SERIES a INDEX Input Output Bus Bar Configuration 5 2 J K L LCD Display Description netten 3 11 Adjustment of pe 9 11 Line Contactors 6 4 Control Of 6 4 Main Contactor Control Output 7 3 Motor Connection aee rnar 6 3 6 Wire Inside Delta 6 3 Dual Speed Motors 6 6 Motor Current LOD
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17. BAA10263 BAA10263 ACCEPTABLE CT POSITIONS 6 Wire Non By Passed amp By passed BAA10263 BAA10263 THE EMX2 START PERFORMANCE DISPLAYED CURRENT READINGS OVERCURRENT UNDERCURRENT AND SHEARPIN PROTECTION FUNCTIONS WILL BE INACCURATE UNLESS CAUTION EACH OF THE 3 CTS MONITORS A SEPARATE PHASE THE CTS ARE MONITORING LINE CURRENT TO THE MOTOR THE EMX2 CT PRIMARY CURRENT RATING PARAMETER FUNCTION 13 IS SET CORRECTLY FOR THE INSTALLED CTS 4 THE CONNECTED CTS HAVE 5 A SECONDARIES CN EMX SERIES 6 2 USERS MANUAL ELECTRICAL CONNECTION POWER CIRCUIT Motor Connection EMX can be connected to control a variety of different motors in a number of different circuit configurations 3 Wire Motor Connection SUPPLY 10107 The EMX2 be connected to motors designed star operation or for motor designed for delta operation so long as the motor is appropriate for the supply voltage 14 1 2 QL1A 14 T1 2 QL2 3 15 T2 49 QL2 3 15 T2 4 P 9L3 5 9 L3 5 L6 T3 6 v MOTOR TERMINALS DELTA CONNECTION MOTOR TERMINALS STAR CONNECTION K1M cT 14 T1 2 7E Ht 6 Wire Motor Connection L6 T3 6 O BBA10107 Connect the three OUTPUT terminals 1 2 T2 4 T3 6 of the EMX2 to the motor windings ensuring that the connections are made to one end of each winding only It is imperative
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19. MOTOR FLC A Initial niti Sia Gysen 100 Start Ramp Time Function 4 BAA10261 CURRENT RAMP should be considered in preference to CONSTANT CURRENT start mode in applications where a required start torque can vary from start to start ie conveyors loaded unloaded b starting time of easily broken away loads needs to be lengthened ie pumps supply capacity is limited ie generator sets The Current Limit Function 2 should be set so that the motor can accelerate easily to full speed The Initial Start Current Function 3 should be set such that the motor begins to rotate as soon as a start is called for Setting the Initial Start Current equal to the Current Limit Function 2 defeats the Current Ramp Mode EMX2 SERIES 3 2 USERS MANUAL Uni Stop Soft Stop EMX2 SERIES EMX2 FEATURE DESCRIPTIONS The Start Ramp Time Function 4 should be set to optimise overall starting characteristics for the connected load Setting the Start Ramp Time to 0 seconds defeats the Current Ramp Mode FUNCTION 3 INITIAL START CURRENT Description Sets the initial start current as a percentage of motor nameplate FLC as set in Function 1 Motor FLC Display Units 96 FLC 230 Limits Range Minimum 100 Maximum 550 Factory Setting Refer Application Data sheet on page 1 of this manual FUNCTION 4 START RAMP TIME Description Sets the rate at which current rises from the Initial Start Current F
20. RUN CLOSED BRIDGING CONTACTOR OPEN CLOSED TRIP OPEN BAA10258 CLOSED OPEN CLOSED OPEN 3 4 USERS MANUAL Run time Protection CAUTION EMX2 SERIES EMX2 FEATURE DESCRIPTIONS The EMX2 starters provide the following run time protection systems Programmable Motor Thermal Modelling Phase Imbalance Protection Thermistor Protection Undercurrent Protection Shearpin Protection Starter Overtemperature Protection Phase Sequence Protection Operation of any of these protection features causes the EMXe to m trip and illuminate the appropriate indication Refer to Trouble Shooting Section later in this manual m change the state of the trip relay contacts Relay Operation Run Time Trips LOSED START SIGNAL OPEN 100 RAMP PROFILE DYNAMICALLY ADJUSTED TO MAINTAIN USER PROGRAMMED START CURRENT OUTPUT VOLTAGE LO 32 o0mzg vu RUNTIME MAIN CONTACTOR START RUN RUN BRIDGING CONTACTOR TRIP BAA10259 Run Time Protection in By passed Starters run time protection features remain operative even when the starter is by passed with a bridging contactor provided the EMX2 CT s are not also by passed Refer to the Electrical Installation section later in this manual Resetting Run Time Trips Run time trips may be reset by operation of the EMX2 s reset contact REMOVAL OF CONTROL VOLTAGE TO RESET TRIP CONDITIONS RESETS MOTOR THERMAL MODEL 3
21. be desirable in some installations to reduce supply disturbances or acceleration rates EMX SERIES 8 2 USERS MANUAL COMMISSIONING PROCEDURE If a Bypass contactor is employed ensure that it closes once the motor has reached full speed and the start current has fallen Once the bypass contactor has closed ensure that the EMX2 displays the correct current If the Bypass contactor bridges out the CTs as well as the SCRs the current will read close to zero Ensure that the motor and machine operate satisfactorily without nuisance tripping It may be necessary to trim the undercurrent Shearpin and phase imbalance protection parameters Post Commissioning Recording Record function setting on the Application Data Sheet form on page 1 of this users manual and file the Users Manual in an appropriate location for future reference EMX2 SERIES 8 3 USERS MANUAL COMMISSIONING PROCEDURE EMX2 SERIES 8 4 USERS MANUAL EMX2 PROGRAMMING PROCEDURE SECTION 9 EMX2 PROGRAMMING PROCEDURE Overview This section provides instruction on the use of the EMX2 Data Entry Key Pad and details adjustment of EMX2 user programmable functions Content Overview of EMX2 Function Set Function List Programming Procedure Read Parameters Program Parameters Function Adjustment Chart Overview of EMX2 Function Set The EMX2 has four parameter categories each accessable from the Front Panel Display 1 Primary Motor Settings parameter
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23. 22 85 86 87 8107811981278 13 f RUN MAIN START TRIP GND Pees US CONTACTOR RUN OUTPUTA OUTPUTB FIELD aA E F CONTROL INPUTS Start C23 C24 active 24 VDC with potential free circuit Four Wire Control The start circuit must be closed fleetingly to start the motor The start signal is latched internally by the EMX2 until either the starter trips or the stop circuit is opened Two Wire Control In a two wire non latching circuit the start input is linked and the EMX2 is controlled by closing and opening the stop input contacts used for controlling this input should be low voltage low current rated Gold flash or similar Stop C31 C32 active 24 VDC operate with potential free circuit Must be closed for the EMX2 to operate a contacts used for controlling this input should be low voltage low current rated Gold flash or similar Reset C41 C42 active 24 VDC operate with potential free circuit Must be closed for the EMX2 to operate Open circuit to closed circuit transition resets the EMX2 contacts used for controlling this input should be low voltage low current rated Gold flash or similar FLC Select C13 C14 active 24 VDC operate with potential free circuit open circuit selects the primary motor parameters and a closed contact selects the secondary parameters FL
24. 5 USERS MANUAL EMX2 FEATURE DESCRIPTIONS Operational Overview Protection Features 1 OFF mode In the OFF mode the starter microcomputer monitors the thermistor inputs and models motor temperature a Ifthe thermistor input is connected to a circuit of resistance greater than 2kohm the starter will enter the TRIP mode b If the thermal model exceeds 1 05 the starter will enter the TRIP mode 2 PRESTART mode In the PRESTART mode the main contactor relay output is closed the starter microcomputer measures the supply frequency motor connection phase sequence and the presence of all phases Depending on the results of these measurements either auto configures itself and enters the START mode or trips on an installation or phase sequence fault 3 START mode In the START mode the starter microcomputer monitors the thermistor inputs the phase imbalance and models motor temperature If the thermistor input is connected to a circuit of resistance greater than 2kohm the starter will enter the TRIP mode If the thermal model exceeds 1 05 the starter will enter the TRIP mode If the Phase Imbalance protection operates the starter will enter the TRIP mode If the output voltage from the starter reaches full voltage the starter will enter the RUN mode 4 RUN mode In the RUN mode the starter microcomputer monitors the thermistor inputs the phase imbalance motor run current and models motor temperture If the thermistor input is con
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27. Display 3 11 Analogue Signal 4 20mA 7 5 Motor Start Time Constant MSTC DOSCriIPLION ripetere 3 6 Adjustment of 9 8 Motor Temperature LED Display etie 3 11 Analogue Signal 4 20mA 7 5 Mounting Precautions sene 5 8 N O a RARER 7 5 Output tace teta tertie 7 5 Output Input Bus Bar Adjustment 5 3 Output Input Bus Bar Configuration 5 2 Ouput Signals 4 20mA Motor Current 7 5 Motor Temperature 7 5 Overtemperature Protection Starter 3 10 Overload Indication 3 11 P Parameter 1 5 9 2 Phase Imbalance Protection Description eene 3 9 Adjustment of primary motor setting secondary motor setting Phase Sequence Protection Description 3 9 Adjustment of 9 11 Power Factor Correction 6 5 Primary Motor Settings 9 1 Programming Procedure 9 3 Programmable Motor Thermal Model eher rine ret erre neri ripe 3 6 Adjustment of primary motor speed secondary
28. Display illuminates when motor current exceeds the motor Full Load Current FLC as set in Function 1 Extended illumination of the Overload LED indicates that an overload trip is approaching should motor current remain high Pulsing of the Overload LED indicates transient overloads are being experienced Such momentary overloads may be part of normal operation for the connected load Extended severe and or too frequent transient overloads may cause motor thermal trips Motor Current Provided as both an LCD readout and 4 20mA signal LCD Refer to Digital Display description later in this section 4 20mA Refer to Analogue Outputs description in the Electrical Connection Control Circuit section of this manual Motor Temperature Thermal Model Provided as both an LCD readout and 4 20mA signal LCD Refer to Digital Display description later in this section 4 20mA Refer to Analogue Outputs description in the Electrical Connection Control Circuit section of this manual Digital Display The Digital Display located on the front face of the EMX2 is used for both starter programming and displaying run time parameters 0 STARTRUN 0 RUN EMX2 SERIES 3 11 USERS MANUAL EMX2 FEATURE DESCRIPTIONS Program Mode Refer EMX2 Programming Procedure section later in this manual Display Mode During run the LCD display may be programmed to display motor current motor temperature or alternate between the two Motor Current
29. MSTC 600 Determining The Appropriate Motor Start Time Constant MSTC Setting The MSTC figure as calculated above represents the motor s maximum thermal capacity and when used to program the 2 will provide accurate motor protection while also allowing the motor to be operated to its maximum overload capability MSTC figures less than the maximum as calculated above may also be used when programming the EMX2 Thermal Model Using conservative MSTC settings should be considered where maximum motor overload capacity is not necessary for normal motor load operation Such settings will trip the motor earlier thereby avoiding any unnecessary motor heating If maximum motor thermal capacity is not required a reduced setting may be established by observing the modelled motor temperature as shown on the EMX2 LCD Display and adjusting the MSTC parameter such that after a normal start which has been preceded by a period of running at maximum load the calculated motor temperature is approaching 100 Operation Motor temperature is continuously modelled by the EMX2 even when the motor is not running Control voltage to the EMX2 must be maintained at all times to ensure 3 7 USERS MANUAL EMX2 FEATURE DESCRIPTIONS the accuracy of thermal calculations Removing control voltage from the EMX2 resets the thermal model to zero When commissioning or re comissioning after removal of control voltage from the EMX2 verify that th
30. O MAIN 420m 9 amp ONTACTOR OUTPUTA B11 LEGEND Al EMX2 LINE CONTACTOR S1 START STOP POTENTIAL FREE CONTACT OUTPUT B L S2 RESET PUSHBUTTON INSTALLATION PROCEDURE 1 Connect the motor to the EMX2 and supply as shown Connect the incoming phases to L1 1 L2 3 L3 5 on the EMX2 Connect the EMX2 to the motor T1 2 U1 T2 4 V1 T3 6 W1 Connect the other motor terminals to the EMX2 input V2 L1 1 W2 L2 3 U2 L3 5 2 Install the CTs supplied with the EMX2 ensuring that they are installed on separate phases and that they monitor line current Installing the CTs within the delta circuit will invalidate EMX2 starting and protection functions 3 Connect the EMX2 CT secondaries to the EMX2 CT terminals B6 B7 B8 B9 ensuring that the common connection is made to terminal B9 4 Connect control voltage 400V to the EMX2 electronic supply Terminals A1 amp A2 The control supply must be sourced from the line side of the contactor so that the EMX is able to control the line contactor and provide continuous thermal modelling 5 Connect motor thermistors to EMX2 Thermistor input Terminals B4 B5 If motor thermistors are not connected ensure that the Thermistor Input is linked Connect START STOP amp RESET circuits Wire the coil of the line contactor through the Main Contactor relay output as shown Commission the EMX2 by following the steps outlined in the Commissioning Procedure section o
31. SECTION 6 ELECTRICAL CONNECTION POWER CIRCUIT Overview This section details the installation of the EMX2 Current Transformers as well as the various power circuit configurations possible with the EMX2 Series Starters Content EMX2 Current Transformer Installation Motor Connection 3 Wire Motor Connection 6 Wire Motor Connection Line Contactors Semiconductor Fuses Bridging Contactors Power Factor Correction Dual Speed Motors Current The EMX2 comes complete with three Current Transformers supplied loose Transformer details of which are shown on the Application Data Sheet on page 1 of this Users Installation amp Manual These CTs must be installed to measure motor line current and the CTs Connection secondaries wired back to the EMX2 unit The CTs form part of the feedback loop used by the 2 to control and protect the motor and have been selected specifically for the application for which the starter is supplied No alternate CTs should be used without reference to the local supplier and appropriate alteration of the EMX2 CT Primary Current Rating parameter Function 13 The CT s are supplied separate from the main unit so that the EMX2 can continue to provide protection even when by passed This eliminates the need for separate overload protection when a by pass system is used The CTs must be used in a manner that they monitor line current to the motor They must not be bridged out by a bridging contactor if us
32. and Down arrow keys to select the required Function Screen 6 Fault Status Display Displays Status Fault information when EMX2 in run mode All LEDs illuminate when EMX2 in programme mode or when the Function Key is pressed The Program Mode can be activated only when The EMX is stopped and all trip states reset The Reset Circuit Terminals C41 C42 is closed The EMX2 cannot be run when in the program mode EMX2 SERIES 9 3 USERS MANUAL EMX2 PROGRAMMING PROCEDURE READ PARAMETER PROCEDURE STEP 1 Enter Program Mode amp Select Desired Function Screen 1 Press and hold the lt FUNCTION gt Key All Fault Status Display LEDs should illuminate 2 Using the UP lt DOWN 5 keys select the required function number 3 When the required function number is displayed release the FUNCTION Key LCD Display changes to show the parameter set point currently Q POER stored in memory STEP 2 Repeat Step 1 for each Function to be read Exit Programming Mode 1 Using the FUNCTION and DOWN keys select Function 0 RUN MODE AII Fault Status Display LEDs except the POWER LED should now extinguish EMX2 SERIES 9 4 USERS MANUAL EMX2 PROGRAMMING PROCEDURE PROGRAM PARAMETER PROCEDURE Enter Program Mode amp Select Desired Function Screen 1 Press and hold the lt FUNCTION gt Key All Fault Status Display LEDs should illuminate Using the UP or lt DOWN gt keys select t
33. auto configures itself and enters the START mode or trips on an installation or phase sequence fault 3 START mode In the START mode the starter microcomputer monitors the STOP and RESET a Ifthe STOP is open and the RESET is closed the starter enters the SOFT STOP mode b If both the STOP and the RESET are open the starter will immediately stop and enter the OFF mode Ifthe output voltage from the starter reaches full voltage the starter will enter the RUN mode 4 RUN mode In the RUN mode the starter microcomputer monitors the STOP and RESET a Ifthe STOP is open and the RESET is closed the starter enters the SOFT STOP mode b If both the STOP and the RESET are open the starter will immediately stop and enter the OFF mode 5 SOFT STOP mode In the SOFT STOP mode the starter microcomputer monitors the START STOP and RESET In SOFT STOP mode the output voltage is reduced at the rate determined by the stop time parameter soft stop a Ifthe stop time parameter is zero the starter immediately enters the OFF mode b If both the STOP and the RESET are open the starter will immediately stop and enter the OFF mode Ifthe START and STOP are closed the starter enters the START mode d Asthe output voltage approaches zero the starter enters OFF mode 6 TRIP mode In the TRIP mode the starter microcomputer monitors the RESET input In TRIP mode SCR conduction is inhibited a Ifthe RESET is closed the starter enters the OF
34. bridging contactor should be employed to eliminate heat build up in the enclosure The Bridging contactor can be AC1 rated as it only carries the running current of the motor The bridging contactor should be controlled by the EMX2 Run output 23 24 and used to bridge out the SCRs once the motor has started by bridging between L1 T1 L2 T2 L3 T3 or L1 L4 L2 L5 L3 L6 or 1 2 3 4 5 6 SUPPLY BRIDGING CONTACTOR CONTROL SUPPLY BAA10262 Front Panel Display LCD DISPLAY KEY PAD POWER START RUN RUN OVERLOAD 0 PHASE SEQUENCE INDICATOR OVERCURRENT LEDs _ UNDERCURRENT PHASE LOSS THERMISTOR SHEARPIN INSTALLATION OVERTEMPERATURE Control Terminations EMX SERIES 5 4 USERS MANUAL PHYSICAL SPECIFICATION FLC SELECT START STOP RESET Y Y Y 1 Y RS485 THERMISTOR CTS 420 420 STARTER ro 223 1 2 242 Ds To T Tas 8 182 esTes se 67 so 611 sm sn X Y RUN TP 4 1 oufpurA OUTPUTB FIELD e b ELS oe eee eee 00000000 LUDDUDUDUDDU c c l L CONTROL CONTROL SERIAL LINK AUXILLARY AUXILLARY CONTROL INPUTS RELAY OUTPUTS EMX2i ONLY INPUTS OUTPUTS REMOVABLE SUPPLY CONNECTORS EMX2 SERIES 5 5 USERS MANUAL ELECTRICAL CONNECTION POWER CIRCUIT
35. have a terminal voltage of between 12 and 24 VDC The FLC selector input should be open and measure 12 24 VDC Connect an ammeter in the circuit to display the current during start A sufficiently rated Clamp type meter would be satisfactory or a clamp meter on a CT output could be used Calculate the expected start current from the parameters programmed into the EMX2 Current Limit 96 Function 2 x Motor Full Load Current A Function 1 Ensure that the motor couplings and machine are ready for an attempted start Start the motor using the EMX2 and monitor the start current and the direction of rotation If the direction of rotation is incorrect stop the machine isolate the starter and swap two phases on the input or the output of the starter If the measured start current does not match the calculated start current stop the motor and check the CT wiring CT ratio and the parameters set in the starter Compare the measured current with the current displayed on the EMX display If the display is incorrect check the CT wiring CT ratio and the parameters set in the starter If the motor does not start easily and appears to run out of start torque check that the load is correctly matched to the motor and provided the starter is appropriately rated increase the start current and or current limit parameters in the EMX2 If the motor starts very easily it may be possible to achieve a good start at a reduced start current This may
36. motor speed Protection Overview Prestart Run Time Run Time Trip Warnings Protection Programmable Motor Thermal Model Phase Imbalance USERS MANUAL ThetmiStOL iro eie n Sueded 3 9 Undercurrent 3 9 Electronic Shearpin 3 10 Phase Sequence 3 9 Starter Overtemperature 3 10 R Resetilnput x etae UR ted Eten 7 2 Restart Delay 3 10 Run Control Output seen 7 4 S Schematic ete eei pee 4 1 Secondary Motor Settings 9 1 Semiconductor FUSES 6 4 Shearpin Protection Description nente nemen 3 10 Adjustment of primary motor setting 9 10 secondary motor setting 9 17 Six Wire Motor Connection 6 3 Soft Start Modes Uni Start Constant Current 3 1 Uni Start Current Ramp 3 2 Soft Stop Modes Uni Stop Soft Stop 3 3 Specifications 4 2 Start Input 7 2 Starter Overtemperature Protection 3 10 Start Run Control Output 7 4 Stop Input 7 2 System Parameters 9 2 T Temperature Output see 7 5 Thermistor Protection 3 9 Three Wire Moto
37. of view this is the preferable option however is not necessary for starter operation An additional benefit gained by use of a line contactor is isolation of the starter SCR s in the off state when they are most susceptable to damage from voltage transients The EMX2 can directly control a line contactor via the Main Contactor Control output 13 14 As an alternative to a line contactor either a circuit breaker with a no volt release coil operated by the EMX2 trip output 41 42 44 or a motor operated circuit breaker can be considered If a motor operated circuit breaker is used as a line contactor the potential delay between the breaker being told to close and phase power being applied to the EMX could cause the EMXe to trip on installation faults This be avoided by closing the motorised breaker directly and using the breakers auxiliary contacts to control the EMX2 Fast acting semiconductor fuses be used with the 2 to reduce the potential of damage to the SCRs from transient overload currents Refer to your starter supplier for semiconductor fuse selection advice 6 4 USERS MANUAL Bridging Contactors CAUTION Power Factor Correction CAUTION EMX2 SERIES ELECTRICAL CONNECTION POWER CIRCUIT If the EMX2 is to be mounted in a non ventilated enclosure a bridging contactor should be employed to eliminate heat build up in the enclosure Bridging contactor can be AC1 rated as it only carries the runn
38. the supply and EMX2 Outputs T1 2 T2 4 T3 6 to the motor using appropriate fuses and isolator Ensure the CTs supplied with the EMX2 are installed on separate phases and monitor line current 2 Connect the EMX2 CT secondaries to the EMX2 CT terminals B6 B7 B8 B9 ensuring that the common connection is made to terminal B9 3 Connect control voltage 400V to the EMX2 electronic supply Terminals A1 amp A2 4 Connect motor thermistors to EMX2 Thermistor input Terminals B4 B5 If motor thermistors are not connected ensure that the Thermistor Input is linked 5 Connect START STOP amp RESET circuits 6 Commission the EMX2 by following the steps outlined in the Commissioning Procedure section of this Users Manual EMX SERIES 7 6 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT APPLICATIONS 2 A typical application where the EMX2 controlled directly via push buttons is used to control line contactor K1M operation SUPPLY Note CHECK VOLTAGE RATING AS MARKED P T ON THE STARTER REFER PAGE 7 1 FOR FURTHER DETAIL RS485 SERIAL B2 INTERFACE GND O EMX2i MODELS ONLY B4 B4 MOTOR 4 THERMISTOROR 5 THERMISTOR ps h L o MAIN 14 OUTPUT A L LEGEND EMX2 LINE CONTACTOR OUTPUT B START PUSHBUTTON L STOP PUSHBUTTON RESET PUSHBUTTON INSTALLATION PROCEDURE 1 2 3 Install the EMX2 between the Line C
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40. 0 AC53b 3 15 345 AC53b 4 5 30 330 B Wie S Wie 6 Wie EMX2 0222 242A 364A 205A 308A 152A 228A EMX2 0283 314A 471A 265A 397A 194A 292A EMX2 0359 374A 562A 321A 481A 246A 369A EMX2 0451 534A 802A 440A 659A 306A 460A 2 0523 594A 508A 535A 2 0621 754 616A 633A EMX2 0721 893A 726A 740A EMX2 0842 10844 868A 856A 2 0892 1176A 939A 917A 2 1192 14624 1178A 1185A EMX2 1393 2053A 1665A 1682A EMX SERIES 4 3 USERS MANUAL ELECTRICAL SPECIFICATION EMX2 SERIES 4 4 USERS MANUAL PHYSICAL SPECIFICATION SECTION 5 PHYSICAL SPECIFICATION Overview This section details the mounting detail bus bar configuration and ventilation options for the EMX2 Series Starters Content Dimensions Weights Bus Bars Configurations Adjustment Mounting Precautions Enclosure Ventilation Mounting In Non ventilated Enclosures Component Identification Front Panel Display Control Terminations Dimensions CABINET DEPTH C CABINET WIDTH B HOLE FIXING CENTRES D CABINET HEIGHT A MOEL B D E WEIGHT EMX2 0222 EMX2 0283 EMX2 0359 EMX2 0451 40KG EMX2 0523 EMX2 0621 E 2 0721 EMX2 0842 EZ EMX2 0892 EH 69 1192 2 1393 700 560 320 EMX2 SERIES 5 1 USERS MANUAL PHYSICAL SPECIFICATION Input Output The EMX2 units offer four different input output power terminal configurations Terminal The Bus Bar co
41. 05 The EMX2 trips at 105 EMX2 SERIES 7 5 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT Typical Installation Formats The EMX2 Series starters may be connected and controlled in a wide variety of ways Five common application formats are detailed in the following application examples If none of these options fully meets application requirements further study of this Users Manual should enable custom design of an appropriate circuit APPLICATIONS 1 A typical application where the 2 is applied without a line contactor and is controlled by start stop push buttons Ensure local regulations and by laws permit operation of electronic soft starters without a line contactor or similar load break switch 14 T1 2 15 2 4 SUPPLY Note gt CHECK PT VOLTAGE A2 RATING AS MARKED ON THE STARTER REFER 7 1 FOR FURTHER DETAIL C13 o C14 FLC SELECT 1 5174 C23 41 d C24 START 44 TRIP 42 C32 STOP B1 r RS485 SERIAL B2 j INTERFACE GNDO C42 RESET EMX2i MODELS o ONLY 0 B4 B4 RUN THERMISTOR MOTOR OR 24 B5 B5 THERMISTOR 18 B10 MAIN 420mA 9 14ONTACTOR OUTPUTA B11 33 B12 START 4 20mA 34 RUN OUTPUTB B13 L o LEGEND 1 2 51 START PUSHBUTTON 52 STOP PUSHBUTTON 53 RESET PUSHBUTTON INSTALLATION PROCEDURE 1 Connect the EMX2 11 1 L2 3 L3 5 to
42. 3 C14 FLC Select C23 C24 Start C31 C32 Stop C41 C42 Reset 250VAC 360VA 5A 30VDC Resistive 23 24 Run Bridging Contactor Control N O 13 14 Main Contactor Control N O 33 34 Start Run N O 41 42 44 Trip C O Power On Start Run Run Overload Phase Sequence Overcurrent Undercurrent Phase Loss Thermistor Shearpin Installation Fault Overtemperature Fault Degree of Protection IP00 Form Designation Form 1 Rated Insulation Voltage 2 kV Rated Impulse Voltage 2 kV Pollution Degree 3 Rated Short circuit Current 50 kA Equipment Class EMC Class A This product has been designed for Class A equipment Use of the product in domestic environments may cause radio interference in which case the user may be required to employ additional mitigation methods 0 C to 45 C Operating 50C to 65 C Storage UL508 CSA 22 2 No 14 Cv CISPR 11 CE 947 4 2 4 2 USERS MANUAL ELECTRICAL SPECIFICATION Continuous Ratings 100 DUTY CYCLE Off Time 0 seconds Medium Load 300 x FLC 10 Sec 350 x FLC 15 Sec 450 x FLC 30 Sec 10 Starts Hr 45 C 10 Starts Hr 45 C 10 Starts Hr 45 C AC53a 3 10 100 10 AC53a 3 5 15 100 10 AC53a 4 5 30 100 10 EMX2 0222 EMX2 0621 Bypassed Ratings 10 STARTS PER HOUR Light Dut Medium Dut eavy Dut 300 x FLC 10 Sec 350 x FLC 15 Sec 450 x FLC 30 Sec 10 starts Hr 45 C 10 starts Hr 45 C 10 starts Hr 45 C AC53b 3 10 35
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46. APPLICATION DATA SHEET This EMX2 Series starter and its accompanying CT s have been selected according to the Application Data detailed below The starter must be operated with the CTs supplied If applying the starter in an alternate application or outside the maximum starter ratings listed consult your local representative EMX2 STARTER APPLICATION RATINGS APPLICATION DATA Model Application Ref Serial Number CT Ratio 5 Motor Data Connection Format 3 Wire 6 Wire Full Load Current Bypassed kW Maximum Starter FLC Amps Maximum Start Current X FLC Driven Load Data Maximum Start Duration Secs Machine Type Maximum Starts Hr No Maximum Amb Temp oc This starter has been factory set as detailed below Settings should be verified modified at commissioning by following the Initial Set Up section of the Users manual Commissioning settings and subsequent ammendmends should also be recorded in the spaces provided Function Unit Factory Setting Installed Ammended Ammended Ammended Setting C DATE Leve lc Te cq op pe ene a PRIMARY MOTOR SETTINGS Amps 6 Motor Start Time Constant Secs 7 1 7 Phase Imbalance Protection T f Y 8 Undercurrent Protection FIC 1 9 Electronic Shearpin Protection 96FLC 12 T ass COMMON PARAMETER SETTINGS 11 Phase Sequence Protection 12 LCDDisplayMode 14 factory setting donotagust J
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48. C Select Input is used primarily to select a secondary set of parameters in dual speed motor applications Refer Dual Speed Motor section of this manual for further description of FLC Select use contacts used for controlling this input should be low voltage low current rated Gold flash or similar EMERGENCY STOP Simultaneously opening the STOP amp RESET circuits will effect an immediate stop and cause the trip relay to operate and then reset after approximately 8 seconds Control Input wiring should be run separately from power wiring to prevent noise and possible induced voltage VOLTAGE MUST NOT BE APPLIED TO THE CONTROL INPUT TERMINALS APPLICATION OF VOLTAGE IS LIKELY TO CAUSE E CAUTION S O CAUSE EQUIPMENT DAMAGE EMX2 SERIES 7 2 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT Operational Overview Control inputs 1 OFF mode In the OFF mode the starter microcomputer monitors the START STOP RESET and keypad inputs a If the RESET input is open circuit the EMX2 will ignore all other inputs b If the keypad function key is pressed the starter will enter the programming mode Ifthe STOP START and RESET are closed the starter will enter the PRESTART mode NB The START input is only monitored in the OFF mode and SOFT STOP mode 2 PRESTART mode In the PRESTART mode the main contactor is closed the starter microcomputer executes a number of measurements and depending on the results of these either
49. CAL CONNECTION CONTROL CIRCUIT SECTION 7 _ ELECTRICAL CONNECTION CONTROL CIRCUIT Overview This section details the connection of control voltage to the EMX2 Starters as well as describing the 25 various control inputs and outputs Additionally typical connection schematics are provided Content EMX2 Electronics Supply Control Inputs FLC Select Emergency Stop Control Outputs Main Contactor Start Run Analogue Outputs Motor Current Motor Temperature Thermal Model Typical Installation Formats EMX ELECTRONICS amp FAN SUPPLY The EMX2 must be supplied with control voltage which controls both the electronics and cooling fans Refer to labeling on the EMX2 for control voltage options The EMX2 is designed to operate with the electronics permanently supplied The electronics must be powered up for the thermal model to function in the OFF state motor not running while the motor is cooling The electronics must also be powered up so that the EMX2 can control any line contactor connected EMX2 CONTROL VOLTAGE Canada All Other Countries United States of Amercia ELECTRONICS ELECTRONICS LJ LS 5 s L JL 4 L JL 4 110V or 230V 400V or 230V EMX SERIES 7 1 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT Control Inputs The EMX2 incorporates the following control inputs FLC SELECT START STOP RESET Y Y Y Y RS485 THERMISTOR 4 20mA 4 20 STARTER 23 24 13 14 33 34 Tu
50. DURE Commissioning Procedure Ensure the enclosure is free of metallic swarf and wire offcuts Before connecting the output terminals to the motor carry out an insulation test of the motor windings to earth The reading should be in excess of 10 Megohms If practical an insulation test between windings should also be carried out Connect the output terminals to the motor Ensure that all the main power terminations are tight Ensure that the voltage applied to the isolator is correct and that all three phases are present Ensure that the incoming supply is connected to L1 1 L2 3 and L3 5 If the EMXz2 is installed with a bypass contactor ensure that the contactor is bypassing the appropriate terminals the 2 L1 1 must connect via the bypass contactor to T 1 2 L2 3 must connect via the contactor to T2 4 and L3 5 must connect via the contactor to T3 6 If the EMX2 is incorrectly bypassed damage to the starter can result and supply fuses fail or circuit breaker will open Ensure that the START input to the EMX2 is open circuit This will ensure that the EMX2 can not start while other test are carried out Apply the control supply to the EMX2 and ensure that all fans are running freely and the POWER LED is illuminated Check the status of all the control inputs by measuring the voltage across them The STOP and RESET should show zero volts if closed If two wire control is employed then the STOP input should be open and
51. Determining The Maximum Motor Start Time Constant MSTC The 2 thermal protection is adjusted by setting the Motor Start Time Constant MSTO Function 6 according to the motor s thermal capacity A motor s thermal capacity can be expressed as the maximum time seconds a motor can maintain locked rotor current conditions and is often referred to as EMX SERIES 3 6 USERS MANUAL EMX2 SERIES EMX2 FEATURE DESCRIPTIONS Maximum Locked Rotor Time or Maximum DOL Start Time The motor s thermal capacity can also be expressed as the maximum load inertia at the motor shaft This information is available from motor data sheets or direct from the motor supplier From this information the maximum Motor Start Time Constant MSTC figure may be determined as follows 1 MSTC Motor Locked Rotor Time The motors Maximum Locked Rotor Time or Maximum DOL Start Time expressed in seconds may be used directly as the maximum Motor Start Time Constant MSTC for programming into the EMX2 Motor Start Time Constant Maximum Locked Rotor Time 2 MSTC Normalised Motor Locked Rotor Time For greater accuracy the motor s Maximum Locked Rotor Time and Locked Rotor Current figure can be used together to calculate a normalised maximum MSTC figure as shown below LRC 600 2 MSTC Motor Locked Rotor example Motor Maximum Locked Rotor Time 14 seconds Motor Locked Rotor Current 650 X14 16seconds o 2
52. Display Units Amps Limits Range Minimum 0 A Maximum Dependant on CT s Note that the integrity of the current display is subject to the EMX2 being correctly programmed with Primary Rating of the connected CTs During commissioning of the EMX2 the LCD current display should not be relied upon until its operation has been verified by measuring motor current by an independent means Thermally Modelled Motor Temperature Display Units 96 percentage Limits Range Minimum 096 Maximum 105 The motor temperature is displayed as a percentage of the maximum motor temperature as calculated by the Thermal Model The motor temperature display is indicated by a leading decimal point ie 9096 reads as 90 and 10096 as 1 00 The EMXe will trip when the motor temperature reaches 1 05 rw ny 12 LCD RUN TIME DISPLAY MODE Sets the parameter shown on LCD display during run EU ME Units Parameter Options 0 1 2 Parameter Options 0 Motor Current Amps 1 Motor Temperature Thermal Model 5 2 Current Motor Temperature Factory Setting Refer Application Data Sheet On Page 1 Of This Manual Auto configuration The EMX2 automatically determines the motor connection supply frequency supply voltage amp phase sequence and configures the internal parameters for correct operation or inhibits operation if a problem is detected At start the EMX2 is able to determine and configure for 3 Wire or 6 Wire operation The EMX2 will aut
53. ESET PUSHBUTTON INSTALLATION PROCEDURE 1 Connect the EMX2 L1 1 L2 3 L3 5 to the supply and EMX2 Outputs T1 2 T2 4 T3 6 to the motor Ensure the CTs supplied with the EMX2 are installed on separate phases monitor line current and are not by passed by the bridging contactor Connect the bridging contactor to by pass the EMX2 but not EMX2 CTs as shown Connect the EMX2 CT secondaries to the EMX2 CT terminals B6 B7 B8 B9 ensuring that the common connection is made to terminal B9 Connect control voltage 400V to the EMX2 electronic supply Terminals A1 amp A2 Connect motor thermistors to EMX2 Thermistor input Terminals B4 B5 If motor thermistors are not connected ensure that the Thermistor Input is linked Connect START STOP amp RESET circuits Commission the EMX2 by following the steps outlined in the Commissioning Procedure section of this Users Manual EMX SERIES 7 10 USERS MANUAL COMMISSIONING PROCEDURE SECTION 8 COMMISSIONING PROCEDURE Overview This section details commissioning procedures for an EMXz2 installation Content Pre commissioning Checks Commissioning Procedure Post commissioning Recording Pre commissioning Checks Ensure that the correct model has been supplied as ordered for the application Verify that the EMX serial number shown on the Application Data Sheet on page 1 of this manual sheet matches the serial number on the unit Verify that the quoted start parameters are s
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55. F mode Control Outputs The 2 incorporates the following control outputs FLC Y Y Y SELECT START STOP RESET Y RS485 THERMISTOR CT s 4 20mA 4 20 STARTER 24 13 14 33 34 41 42 44 85 B6 87 88 810 811 812 813 I RUN MAIN START TRIP GND x CONTACTOR RUN OUTPUTA OUTPUTB FIELD 00000000 Pe Lo CONTROL RELAY OUTPUTS Main Contactor 13 14 m Potential Free Normally Open Relay Contact closes when the 2 receives start signal opens when EMX stops applying voltage to the motor and when the EMX Trips designed to control operation of a line contactor if fitted to the input of the EMX2 This function is particularly useful when utilising the Soft Stop function and a line contactor as it closes the contactor on start and opens the contactor at the end of the ramp down period EMX2 SERIES 7 3 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT Start Run 33 34 Potential Free Normally Open Relay Contact closes when the EMX2 is either the start mode mode soft stop mode ie closed when the starter is expected to be applying voltage to the motor Run 23 24 Potential Free Normally Open Relay Contact closes when EMX2 is applying line voltage to the motor designed to control bridging contactor if fitted and or as Off Load control output for compressors conveyors pumps etc Tr
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57. Overview of EMX2 Series SECTION 3 EMX2 FEATURE DESCRIPTIONS Start Modes Uni Start Constant Current Uni Start Current Ramp Uni Stop Soft Stop Prestart Protection Run Time Protection Programmable Motor Thermal Model Phase Imbalance Protection Undercurrent Protection Phase Sequence Protection Thermistor Protection Electronic Shearpin Protection Restart Delay Phase Imbalance Delay Starter Overtemperature Run Time Trip Warnings Digital Display Auto configuration SECTION 4 ELECTRICAL SPECIFICATION EMX2 Connection Detail General Specification Current Ratings SECTION 5 PHYSICAL SPECIFICATION Dimensions Weights Bus Bar Configurations Adjustment Mounting Precautions Enclosure Ventilation Mounting In Non ventilated Enclosures Component Identification Front Panel Display Control Terminations SECTION 6 ELECTRICAL CONNECTION POWER CIRCUIT EMX2 SERIES jii AMA00078 Rev A 6 SECTIONAL INDEX EMX2 Current Transformer Installation amp Connection Motor Connection 3 Wire Motor Connection Wire Motor Connection Line Contactors Semiconductor Fuses Bridging Contactors Power Factor Correction Dual Speed Motors 2 SERIES v AMA00078 Rev A 6 SECTIONAL INDEX SECTION 7 ELECTRICAL CONNECTION CONTROL CIRCUIT EMX2 Electronics amp Fan Control Supply Control Inputs Start Stop Reset FLC Select Emergency Stop Control Outputs Main Contactor Star
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60. acts are as shown Also ensure the CTs supplied with the EMX2 are installed on separate phases and monitor line current 2 Connect the EMX2 CT secondaries to the EMX2 CT terminals B6 B7 B8 B9 ensuring that the common connection is made to terminal B9 3 Connect control voltage 400V to the EMX2 electronic supply Terminals A1 amp A2 4 Connect motor thermistors to EMX2 Thermistor input Terminals B4 B5 If motor thermistors are not connected ensure that the Thermistor Input is linked Connect control circuitry as shown Commission the EMX2 by following the steps outlined in the Commissioning Procedure section of this Users Manual o0 EMX SERIES 7 9 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT APPLICATIONS 5 A typical application where the EMX2 connected controlled by start stop push buttons is by passed during run Ensure local regulations and by laws permit operation of electronic soft starters without a line contactor or similar load break switch L4 11 2 SUPPLY Note CHECK PT VOLTAGE A2 RATING AS MARKED ON THE STARTER REFER PAGE 7 1 FOR FURTHER DETAIL C14FLC SELECT RS485 SERIAL INTERFACE EMX2i MODEL ENDO ONLY B ___ o N THERMISTOR B5 L o 13 145 MAIN ONTACTOR OUTPUT A LL B4 MOTOR THERMISTOROR 85 LEGEND EMX2 START PUSHBUTTON 33 fm START 34 OUTPUT B RUE STOP PUSHBUTTON R
61. al lower limit is 5 The Undercurrent Protection is enabled once the motor has reached speed FUNCTION 8 UNDERCURRENT PROTECTION Description Sets the lower limit trip point for motor load as a percentage of motor nameplate FLC as programmed in Function 1 Motor Full Load Current Display Units percentage Limits Range Minimum 0 Maximum 100 96 Factory Setting Refer Application Data sheet on page 1 of this manual Phase Sequence Protection The EMX provides a user programmable phase sequence protection which if enabled inhibits motor operation if a prohibited phase sequence is detected The Phase Sequence Protection Function 11 must be disabled Set to zero if the EMX2 is used with reversing contactors on the input FUNCTION 11 PHASE SEQUENCE PROTECTION Description Sets valid phase sequences for phase sequence protection Invalid phase sequences prevent operation Display Units Valid Phase Sequences Valid Phase Sequences O forward and reverse no protection 1 forward positive only EMX trips on reverse phase sequence 2 reverse negative 2 trips on forward phase sequence Factory Setting Refer Application Data sheet on page 1 of this manual Thermistor Protection PTC Motor thermistors if fitted in the motor may be directly connected to EMX2 If motor thermistors are not connected the thermistor inputs terminals 28 amp 29 must be linked The thermistor circuit should b
62. cludes dual parameter settings to allow individual start and protection parameters to be programmed for each motor speed The Dahlander speed changeover contactors should be connected to the output of the EMX2 Refer Application Schematic below The secondary start and protection parameters Functions 21 gt 29 are operational when the FLC Select terminals C13 C14 are linked To switch between primary and secondary parameter settings the EMX2 must be stopped the FLC Select contact operated and the EMX2 restarted Refer Typical Application 4 Secondary settings are programmed and operate in an identical manner to the primary setting K3M e T4 T5 T6 K2M TO DUAL SPEED MOTOR L4 1 2 1 f DAHLANDER TYPE 3 PHASE L5 T2 4 T2 SUPPLY o gt L6 T3 6 T3 K1M C23 K2A START REMOTE LOW SPEED C24 1 START INPUT KIA c32 STOP B1 K1A o RS485 SERIAL B2 REMOTE HIGH SPEED K2A INTERFACE GNDo START INPUT RESET EMX2i MODELS ONLY 8 MOTOR RUN THERMISTOR pgs THERMISTOR B10 B4 0 4 20mA_ R 85 OUTPUTA _ Bis OR gs Bid 9 K2A 34 SRON OUTRUT B mE LEGEND Ai EMX2 K1A REMOTE START RELAY LOW SPEED K2A REMOTE START RELAY HIGH SPEED KIM LINE CONTACTOR HIGH SPEED K2M LINE CONTACTOR LOW SPEED K3M STAR CONTACTOR HIGH SPEED 1 RESET PUSHBUTTON EMX SERIES 6 6 USERS MANUAL ELECTRI
63. d by high frequency cyclic start stop commands FUNCTION 30 RESTART DELAY Description Sets the minimum time between the end of a stop and the beginning of the next start Display Units Seconds approximate Limits Range Minimum 1 second Maximum 255 seconds Factory Setting Refer Application Data sheet on page 1 of this manual Phase Imbalance Delay The Phase Imbalance Delay allows the user to program the minimum time a phase imbalance must be present before the EMX2 will trip the motor FUNCTION 32 PHASE IMBALANCE DELAY Description Sets the minimum time a phase imbalance must be present before the EMX2 Phase Imbalance protection trips Display Units Seconds approximate Limits Range Minimum 1 second Maximum 254 seconds Starter Overtemperature The EMX is protected from overtemperature operation by sensors on each of the three power modules EMX SERIES 3 10 USERS MANUAL EMX2 FEATURE DESCRIPTIONS Overtemperature situations cause the EMX2 to trip and it may not be re started until the temperature of the power module heatsink assemblies has dropped Run time Trip Warnings EMX2 units provides indication and interface of the following three functions which can provide feedback on approaching trip conditions Overload Operation Motor Current FLC Thermally Modelled Motor Temperature FUNCTION DISPLAY TYPE LED LCD 4 20mA Overload Operation The Overload LED on the Front Panel
64. e motor is cold before starting the motor to ensure accurate thermal modelling Accuracy of the thermal model is compromised if the motor is operated outside its specification ie ambient temperature is in excess of rated ambient motor cooling fan is blocked or inoperative etc Motor Thermistor protection should be used to detect such abnormal conditions FUNCTION 6 MOTOR START TIME CONSTANT MSTC Description Sets the motor thermal capacity used by the EMX2 thermal model Display Units Limits Range Minimum 5 sec Maximum 60 seconds Factory Setting Refer Application Data sheet on page 1 of this manual Phase Imbalance Protection Phase Imbalance Protection protects the motor against phase imbalance situations either before or after the starter The EMX2 monitors the three phase currents and bases its calculations on the difference between the highest phase current and the lowest phase current The readings are averaged before the calculation requiring that there is an imbalance in the average currents drawn The allowable phase imbalance is user adjustable The parameter sets the trip level in approximately ten percent increments ie a setting of 2 will cause a trip if the high phase has an average current of 12096 of the lowest phase This is an imbalance of about 10 from the average current accuracy subject to tolerance in current monitoring circuit The phase imbalance protection sensitivity is reduced during startin
65. e run in screened cable and must be electrically isolated from earth and all other power and control circuits Threshold resistance 1800 ohms Thermistor Current less than 1 5mA EMX SERIES 3 9 USERS MANUAL EMX2 FEATURE DESCRIPTIONS Electronic Shearpin The EMX2 provides an Electronic Shearpin protection function which can be adjusted to trip the starter if motor current exceeds a pre programmed maximum current Electronic Shearpin protection can be used to detect changes in motor loading which may indicate the motor is about to jam thereby allowing the starter to trip and prevent mechanical damage to the motor drive chain and or machine The Electronic Shearpin Protection Function 9 should generally be set equal to Current Limit Function 2 but may be altered to a lower setting if required The Electronic Shearpin Protection is enabled once the motor has reached full speed FUNCTION 9 ELECTRONIC SHEARPIN PROTECTION Description Sets the upper limit trip point for motor current as a percentage of motor nameplate FLC as programmed in Function 1 Motor Full Load Current Display Units FLC Limits Range Minimum 1 Maximum 900 Factory Setting Refer Application Data sheet on page 1 of this manual Restart Delay The Restart Delay allows the user to program a delay period between the end of a stop and the beginning of the next start This feature can be used to prevent inadvertent abuse of the starter and motor cause
66. ed and they must not be installed inside the delta loop if using six wire connection The CTs must be wired back to the EMX2 CT input terminals B6 B7 B8 B9 ensuring that the common connection is made to terminal No 33 Do not connect any other circuits to the EMX2 CTs Do not earth the CTs FUNCTION 13 CT PRIMARY CURRENT RATING Description Sets the value of the primary current of the EMX2 current transformers Note the CTs must have 5Amp secondary Display Units Amps S O Factory Setting Appropriate for the CTs supplied with the EMX2 Refer Application Data Sheet On Page 1 of this Manual Field Calibration Of desired the EMX2 current monitoring cirucitry can be field calibrated to account Current Monitoring for individual component tolerances by measuring the motor running current with a Circuit certified calibrated amp meter and comparing it with the current displayed on the EMX2 current display The EMX2 can then be calibrated by adjusting Function 13 according to the following equation EMX2 SERIES 6 1 USERS MANUAL ELECTRICAL CONNECTION POWER CIRCUIT CT Primary Setting Function 13 Installed CT Primary Ratio x Measured Current EMX LCD Display Current ACCEPTABLE CT POSITIONS 3 Wire Non By Passed L4 T1 2 L11 La T12 L23 ts T2 4 135 L6 3 6 10263 10263 ACCEPTABLE CT POSITIONS 3 Wire By Passed iss 6 T36
67. efeats the soft stop function 3 3 USERS MANUAL Protection Prestart Circuit Analysis amp Configuration EMX2 SERIES EMX2 FEATURE DESCRIPTIONS FUNCTION 5 SOFT STOP RAMP TIME Description Sets the soft stop ramp time for soft stopping of the motor Set the ramp time for 0 zero seconds for no soft stop Display Units Seconds Limits Range Minimum 0 sec Maximum 100 seconds Factory Setting Refer Application Data sheet on page 1 of this manual The EMX2 provides an integrated protection package which operates on three levels to prevent damage and also to allow management of motor operation so as to avoid trip conditions m Prestart Circuit Analysis Configuration m Run time Protection Systems m Run time Trip Warnings To prevent damage from incorrect installation or supply problems the EMX2 Series starters perform an automatic system analysis at the first start after each power up of the control voltage to the EMX2 Tests performed include Motor circuit Motor connection configuration Frequency range Voltage range Supply circuit Upon successful completion of the tests voltage is applied to the motor Failure of any of these pre start checks causes the EMX2 to m trip and illuminate the appropriate indication Refer to Trouble Shooting Section later in this manual m change the state of the trip relay contacts Relay Operation START CLOSED SIGNAL OPEN OUTPUT VOLTAGE MAIN CONTACTOR START RUN
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71. ew of EMX2 Series Content General Description General Description EMX Series is a microcontroller based soft starter incorporating the latest technologies and has been designed to provide a complete range of the most advanced soft start and motor protection features This Users Manual covers EMX2 models EMX2 0222 thru EMX2 1393 In operation the EMX2 provides improved soft start of motor and load reduced starting current improved soft stop of motor and load programmable motor thermal modelling phase sequence protection phase loss protection undercurrent protection electronic shear pin protection motor thermistor protection performance feedback In addition installation commissioning and maintenance is made easy by the EMX2 s many other sophisticated functions which enhance performance and reliability and make the equipment suitable for optimising practically all motor starting applications automatic motor connection analysis and configuration automatic phase sequence analysis and configuration automatic supply voltage analysis and configuration automatic frequency analysis and configuration Uni Start soft start current limiting full voltage starting run output trip output Changeover line contactor control by pass contactor control motor run current display motor temperature display three wire or six wire operation Uni Stop soft stop simple accurate and repeatable programming procedures diag
72. f this Users Manual OND 2 SERIES 7 8 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT APPLICATIONS 4 A typical application where the EMX2 connected controlled directly via an automatic two wire potential free contact is used to control a dual speed motor This circuit is NOT appropriate for applications requiring Soft Stop TO DUAL SPEED MOTOR m L1A DAHLANDER TYPE 3 PHASE 95 SUPPLY L3 5 322A m T B6 B7 B8 f A1 o A2 o PT KIA ia PLC SELECT 14 61425 K2A K1M 721 C24 START LOW SPEED START INPUT M STOP KIA C32 B1 2 E zio Se C41 85485 SERIAL B2 REMOTE HIGH SPEED KR INTERFACE GNDO START INPUT C42 RESET EMX2i MODELS Lo ONLY 0 23 B4 A m THERMISTOR MOTOR THERMISTOR 13 B10 B4 O MAIN 4 20mA 9 OR gs K3M KIM 1 ONTACTOR OUTPUTA B11 l L o 33 B12 STAR 4 20 9 K2A K3M 34 RUN OUTPUTB B13 o LEGEND 41 44 i KIA K3M EMX2 TRIP 43 START RELAY LOW SPEED o d o REMOTE START RELAY HIGH SPEED M LINE CONTACTOR HIGH SPEED L LINE CONTACTOR LOW SPEED STAR CONTACTOR HIGH SPEED RESET PUSHBUTTON INSTALLATION PROCEDURE 1 Connect the EMX2 L1 1 L2 3 L3 5 to the supply and EMX2 Outputs T1 2 T2 4 T3 6 to the Dahlander speed changeover contactors as shown Ensure the mechanical and electrical interlocks and delay cont
73. g and stopping to accommodate the discontinuous waveform To ensure maximum motor protection the Phase Imbalance Protection Function 7 should be set to as high a sensitivity as possible without causing nuisance tripping FUNCTION 7 PHASE IMBALANCE PROTECTION Description Sets the percentage imbalance allowed between phases while the motor is operating Display Units Sensitivity level 1 2 3 4 5 6 7 8 9 10 Settings 1 minimum imbalance highest sensitivity 10 maximum imbalance lowest sensitivity Factory Setting Refer Application Data sheet on page 1 of this manual EMX SERIES 3 8 USERS MANUAL EMX2 FEATURE DESCRIPTIONS Undercurrent Protection The EMX2 provides an undercurrent trip which may be adjusted to trip the starter if the motor current falls below a pre programmed minimum current level Undercurrent protection can be used to detect changes in motor loading which may indicate system malfunction For instance in pumping applications a low motor current may indicate a pump is running dry and thus danager of suffering damage This feature will also detect an open circuit on the output of the starter If required Undercurrent Protection Function 8 should be set below the minimum running current of the machine but above the magnetising current of the motor Settings lower than the motors magnetising current typically 25 to 35 limit the protection to detection of open circuit protection only The practic
74. he required function number When the required function number is displayed release the lt FUNCTION gt Key The LCD Display changes to show the parameter set point currently stored in memory Alter Function Setpoint 1 Review the current parameter set point and if necessary use the UP lt DOWN gt keys to display the desired new set point Note that pressing the lt FUNCTION gt Key will return the display to the last stored parameter set point Store The New Function Setpoint 1 Press the STORE key to store the displayed set point into memory 2 Verify the new set point has been correctly stored by pressing and then releasing the FUNCTION Key The LCD display should now show the new setpoint STEP 4 Exit Programming Mode 1 Using the FUNCTION and DOWN keys select Function 0 RUN MODE AII Fault Status Display LEDs except the POWER LED should now extinguish EMX2 SERIES 9 5 USERS MANUAL TWANVI Suasn Jelels perjddns pue uoneordde y 10 SLO eui Aq peru s uoneordde si 10 JUBUND slqeAeldoe y pepeeoxe eq jou plnous enuen 51951 SIU JO ul 1 19945 gq y uo paellelep se JelJelS L JOA9MOU 099 0 dn 1doeooe 1 peeds n ol OU pes ol juarouns 01
75. ing current of the motor The bridging contactor should be controlled by the EMX2 Run output 23 24 and used to bridge out the SCRs once the motor has started by bridging between L1 1 T1 2 L2 3 T2 4 3 5 T3 6 IT IS IMPERATIVE THAT THE BRIDGING CONTACTOR CONNECTS L1 1 TO T1 2 L2 3 TO T2 4 AND L3 5 TO T3 6 ANY OTHER COMBINATION WILL CAUSE FUSE FAILURE CIRCUIT BREAKER TRIP AND POSSIBLE SCR FAILURE SUPPLY BRIDGING CONTACTOR CONTROL SUPPLY BAA10262 Bridging contactors should be controlled to bridge out the EMX2 during run The EMXe s bridging contactor control output should be used to control the bridging contactor If using a bridging contactor m Connect between the inputs and outputs of the EMX2 ensuring that with the contactor closed L1 1 connects to T1 2 L2 3 connects to T2 4 and L3 5 connects to T3 6 m Connect the coil of the bridging contactor through the EMX2 Run relay outputs to the control voltage m maintain EMX2 motor protection features ensure CT s are installed outside the by pass circuit If static power factor correction is employed it must be connected to the supply side of the soft starter UNDER NO CIRCUMSTANCE SHOULD POWER FACTOR CORRECTION CAPACITORS BE CONNECTED BETWEEN THE SOFT STARTER AND THE MOTOR 6 5 USERS MANUAL ELECTRICAL CONNECTION POWER CIRCUIT Dual Speed Motors Dahlander Two Speed motor applications are specifically catered for by the EMX2 starters which in
76. ip 41 42 44 Potential Free Changeover Relay Contacts Changes state when the EMX2 is in the tripped state Relay Operation Normal Running RAMP PROFILE DYNAMICALLY ADJUSTED TO MAINTAIN USER PROGRAMMED START CURRENT STOP RUN TIME RAMP TIME A PROGRAMMED RUN BRIDGING CONTACTOR Relay Operation Trip RAMP PROFILE DYNAMICALLY ADJUSTED TO MAINTAIN USER PROGRAMMED START CURRENT RUN BRIDGING CONTACTOR BAA10259 EMX2 SERIES 7 4 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT Starter Operation Relay outputs 1 OFF mode In the OFF mode the Main Contactor Start Run and Run relay outputs are in their normally open state and the trip relay is in the normal state also 2 PRESTART mode In the PRESTART mode the main contactor is closed the starter microcomputer executes a number of measurements and depending on the results of these either auto configures itself and enters the START mode or trips on an installation or phase sequence fault 3 START mode In START mode the main contactor is closed and the start run is closed a If the output voltage from the starter reaches full voltage the starter will enter the RUN mode 4 RUN mode In RUN mode the main contactor is closed the start run is closed and the run is closed 5 SOFT STOP mode In SOFT STOP mode the run contact is open The start run and main contactor are closed The outpu
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78. led with potential free circuits m not connect Power Factor Correction capacitors to the output of the 2 If static power factor correction is employed it must be connected to the supply side of the EMX2 m Before installing the EMX2 without a line contactor ensure such connection meets local regulations and by laws m If installing the EMX2 within a non ventilated enclosure a by pass contactor must be utilised to prevent excessive heat build up m f installing a by pass contactor ensure phase connections are correctly made ie L1 T1 L2 T2 L3 T3 or L1 L4 L2 L5 L3 L6 or 1 2 3 4 5 6 m 2 protection features will be invalidated if the EMX2 CTs are installed inside by pass and or 6 wire circuits the EMX2 is programmed with an incorrect CT Primary Current Function 13 the EMX2 CTs do not have 5A secondaries the CTs do not measure separate phases m Removing control voltage from the EMX resets the thermal model The examples and diagrams in this manual are included solely for illustrative purposes Users are cautioned that 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 or indirect or consequential damages resulting from the use or application of this equipment EMX SERIES 1 1 USERS MANUAL GENERAL DESCRIPTION SECTION 2 GENERAL DESCRIPTION Overview This section provides overvi
79. metimes experienced with ordinary soft start systems Uni Start Constant Current provides particular advantage in pumping applications where both starting and stopping times can be adjust to minimise fluid hammer without the need for dedicated pump start units Current Limit Function 2 MOTOR FLC A 100 100 SPEED EMX2 SERIES 3 1 USERS MANUAL EMX2 FEATURE DESCRIPTIONS The required setting for the Current Limit function is installation dependant and should be programmed such that a at a minimum the motor is supplied start current sufficient to enable it to produce adequate torque to easily start the connected load b desired starting performance is obtained EMX2 ratings exceeded refer to the Application Data Sheet on the first page of this Users Manual FUNCTION 2 CURRENT LIMIT Description Sets the start current as a percentage of motor nameplate FLC as set in Function 1 Motor FLC Start Current Motor FLC X Current Limit Function 1 Function 2 Display Units 9 FLC 350 Limits Range Minimum 100 Maximum 550 Factory Setting Refer Application Data sheet on page 1 of this manual Uni Start Current Ramp Soft Start Uni Start Current Ramp start mode modifies the Constant Current start mode by allowing the user to program both an Initial Start Current Function 3 and a Start Ramp Time Function 4 as well as the Current Limit Function 2 Current Limit Function 2
80. n slide them back into the starter Fit the fixing bolts and re tighten to a torque of 8 5 Nm Care must be taken to ensure that foreign matter does not contaminate the jointing compound and become trapped between the bus bar and its mounting plate 2 X J L 7 HI u 4 Bar Fixing Bolts Bus Bar Fixing Bolts 1 IN Z o o o o o o o 9 ol jo Do not mount in direct sunlight Do not locate near heat radiating elements Mount the EMX vertically Do Not Obstruct air intakes exhaust When mounting a soft starter or any other equipment which generates heat into a vented enclosure there must be sufficient airflow through the enclosure to prevent excessive heat build up within the enclosure Soft starters dissipate approximately 4 5 watts per line amp The following table shows the airflow required to limit internal temperature rise of an enclosure housing a soft starter to 5 C or 10 C Where additional heat sources contactors cables isolators etc are also housed in the enclosure airflow will need to be increased accordingly AMPS 4 5 watts Amp _ 53 4 4 56 28 55 65 34 5 3 USERS MANUAL PHYSICAL SPECIFICATION Mounting In Non ventilated Enclosures If the EMX2 is to be mounted in a non ventilated enclosure a
81. nected to a circuit of resistance greater than 2kohm the starter will enter the TRIP mode If the thermal model exceeds 1 05 the starter will enter the TRIP mode If the Phase Imbalance protection operates the starter will enter the TRIP mode If the undercurrent protection operates the starter will enter the TRIP mode If the shear pin protection operates the starter will enter the TRIP mode 5 SOFT STOP mode If the stop time is zero the starter immediately enters the OFF mode If the thermistor input is connected to a circuit of resistance greater than 2kohm the starter will enter the TRIP mode If the thermal model exceeds 1 05 the starter will enter the TRIP mode If the Phase Imbalance protection operates the starter will enter the TRIP mode As the output voltage approaches zero the starter enters OFF mode 6 TRIP mode In TRIP mode the main contactor run and start run contacts are open and the TRIP relay changes mode SCR conduction is inhibited a Ifthe RESET is closed the starter enters the OFF mode Programmable Thermal Motor Modelling Optimum motor overload protection is provided by the EMX2 through a user programmable thermal motor model Programmed with actual motor thermal characteristics from the motor s data sheet the EMX2 is able to thermally model motor temperature This ensures accurate protection while still enabling the motor to work to its maximum capability during both start and overload conditions
82. nfiguration is user adjustable Configuration Same End Termination La ise Detail gd eens o DIA 10 5 52 5 Lu fri ne nmm ns md 20 tee x Looe 223 32 195 j N m m 75 56 56 56 56 56 Split Termination Detail o 2 3 13 5 of o 1 2 7 2 4 17 3 6 CEED CED 0000 RPE amp 2 Su Se Fae oS PS Ei pj eee T1 2 T2 4 1T316 Li 12 3 13 5 299 l 187 75 74 Ez T T I Li 11 1 2 3 13 5 a 1 2 meg 2 575 1 1 zs 187 299 2 SERIES 5 2 USERS MANUAL PHYSICAL SPECIFICATION Bus Bar Adjustment To change the bus bar configeration open the EMX2 cover loosen and remove the Mounting Precautions Enclosure Ventilation EMX2 SERIES bus bar fixing bolts refer diagram below and slide the bus bar out of the EMX2 Then having oriented the bus bars according to the desired configuratio
83. nostic fault display EMX SERIES 2 1 USERS MANUAL EMX2 FEATURE DESCRIPTIONS SECTION 3 EMX2 FEATURE DESCRIPTIONS Overview This section describes the purpose and operation of each feature of the EMX2 Series Starters For Commissioning amp Programming procedures refer sections 8 amp 9 Content Start Modes Uni Start Constant Current Uni Start Current Ramp Uni Stop Soft Stop Prestart Protection Run Time Protection Programmable Motor Thermal Model Phase Imbalance Protection Undercurrent Protection Phase Sequence Protection Thermistor Protection Electronic Shearpin Protection Restart Delay Phase Imbalance Delay Starter Overtemperature Run Time Trip Warnings Digital Display Auto configuration Uni Start Constant Current Soft Start Uni Start Constant Current soft start quickly ramps motor starting current to the user programmed Current Limit Function 2 Voltage is then dynamically controlled to accurately maintain the programmed start current Motor starting current remains at the programmed set point until full soeed is approached and the current falls to run current levels A key feature of the EMX2 is the inclusion of Uni Start technology Uni Start is an advanced method of control which dynamically adjusts starter output to match the motor characteristics as they change during starting and stopping Uni Start Control is operative in all EMX2 start and stop modes This feature eliminates the motor instability so
84. o select for 50Hz or 60Hz operation The EMX2 will operate for line input voltages as follows 3 wire connection 220 VAC to 600 VAC 6 wire connection 220 VAC to 440 VAC EMX SERIES 3 12 USERS MANUAL ELECTRICAL SPECIFICATION SECTION 4 ELECTRICAL SPECIFICATION Overview This section details the general electrical specification of the EMX2 Series Starters Content EMX2 Connection Detail Specifications Current Ratings EMX2 CONNECTION DETAIL 3 PHASE SUPPLY TO MOTOR USA AND CANADA ONLY m 110 120V 380 415V 220 240V 220 240V RS485 SERIAL INTERFACE EMX2i MODELS ONLY MOTOR THERMISTOR MAIN CONTACTOR 4 20mA OUTPUT A m START RUN 4 20mA OUTPUT B EMX2 SERIES 4 1 USERS MANUAL SPECIFICATIONS Power Circuit Supply Voltage Supply Frequency Control Voltage Fan Voltage Current Rating Motor Connection Control Inputs Relay Outputs Indicators Environmental Ambient Temperature Approved To EMX2 SERIES ELECTRICAL SPECIFICATION The following specifications are common to all models Reverse parallel connected thyristors full wave control 220 VAC to 600 VAC 3 Wire 220 VAC to 440 VAC 6 Wire Consult local representative for other voltages 48Hz to 52Hz 58Hz to 62Hz Refer Marking On Equipment Refer Marking On Equipment Refer to Table Of Ratings overleaf 3 Wire or 6 Wire Active 24 VDC 8mA approx C1
85. ontactor and the motor by connecting the output of the contactor to the EMX2 input terminals 11 1 12 3 L3 5 and connecting the motor to the EMX2 output terminals T1 2 T2 4 T3 6 Connect the EMX2 CT secondaries to the EMX2 CT terminals B6 B7 B8 B9 ensuring that the common connection is made to terminal B9 Connect control voltage 400V to the EMX2 electronic supply Terminals A1 amp A2 The control supply must be sourced from the line side of the contactor so that the EMX is able to control the line contactor and provide continuous thermal modelling Connect motor thermistors to EMX2 Thermistor input Terminals B4 B5 If motor thermistors are not connected ensure that the Thermistor Input is linked Connect START STOP amp RESET circuits Wire the coil of the line contactor through the Main Contactor relay output as shown Commission the EMX2 by following the steps outlined in the Commissioning Procedure section of this Users Manual EMX SERIES 7 7 USERS MANUAL ELECTRICAL CONNECTION CONTROL CIRCUIT APPLICATIONS 3 A typical application where the EMX2 connected in six wire configuration and controlled directly via an automatic two wire potential free contact is used to control line contactor K1M operation 3 PHASE SUPPLY Note CHECK PT VOLTAGE RATING AS MARKED ON THE STARTER REFER PAGE 7 1 FOR FURTHER DETAIL RS485 SERIAL INTERFACE EMX2i MODELS ONLY m THERMISTOR pgs Im 13
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87. pin Protection Primary Motor Settings active when FLC SELECT terminals C13 C14 open Use For Single Speed Motors Dual Speed Motors Primary Speed Common Parameter Settings active for both Primary and Secondary Motor Settings Factory Settings Do NOT adjust System Parameters read only Secondary Motor Settings active when FLC SELECT terminals C13 C14 closed Use For Dual Speed Motors Secondary Speed Common Parameter Settings Restart Delay active for both Primary and Secondary Motor Settings EMX2 SERIES USERS MANUAL EMX2 PROGRAMMING PROCEDURE Programming The EMX2 Function set points are adjustable using the Data Entry Key Pad EE 2966 POWER START RUN RUN OVERLOAD PHASE SEQUENCE OVERCURRENT 0 UNDERCURRENT PHASE LOSS THERMISTOR SHEARPIN INSTALLATION S S 8 8 OVERTEMPERATURE 1 LCD Display Used to display Function Number amp Function set points during EMX2 programming 2 Down Arrow Key Use to decrease the parameter count shown on the LCD Display The count will decrease slowly at first and then at a fast rate if the key is pressed and held 3 Up Arrow Key Use to increase the parameter count shown on the LCD Display The count will increase slowly at first and then at a fast rate if the key is pressed and held 4 Store Key Use to store the altered Parameter screen set point into memory 5 Function Key Use with the Up
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89. r Connection 6 3 Trip Control Output 7 4 EMX SERIES b U Undercurrent Protection Description Adjustment of primary motor setting secondary motor setting Uni Start Constant Current Soft Start Description Adjustment of primary motor setting secondary motor setting Uni Start Current Ramp Soft Start Description Adjustment of primary motor setting secondary motor setting Uni Stop Soft Stop Description Adjustment of primary motor setting secondary motor setting V Ventilation Non Ventilated Enclosures W Weights X Y INDEX USERS MANUAL
90. s set points for use with to single speed motors or the primary motor speed in dual speed motor applications The Primary Motor Settings are User Programmanble and are activated by an open circuit on the FLC SELECT input terminals C13 C14 2 Secondary Motor Settings parameters set points for use with the secondary motor speed in dual speed applications or for dual parameter settings in special applications The Secondary Motor Settings are User Programmable and are activated by a closed circuit on the FLC SELECT input terminals C13 C14 3 Common Settings parameters set points common to both Primary and Secondary Motor Settings The Common Settings are always active independent of the FLC SELECT input 4 System Parameters displays non adjustable system parameters EMX2 SERIES 9 1 USERS MANUAL EMX2 PROGRAMMING PROCEDURE EMX2 FUNCTION LIST FUNCTION DESCRIPTION Run Mode CATEGORY Motor Full Load Current Current Limit Initial Start Current Start Ramp Rate Soft Stop Ramp Rate Motor Start Time Constant Phase Imbalance Protection Undercurrent Protection Electronic Shearpin Protection Phase Sequence Protection LCD Display Mode CT Primary Current Rating NS O EMX2 Software Version Motor Full Load Current Current Limit Initial Start Current Start Ramp Rate Soft Stop Ramp Rate Motor Start Time Constant Phase Imbalance Protection Undercurrent Protection Electronic Shear
91. t voltage is reduced at the rate determined by the stop time parameter soft stop a Ifthe stop time is zero the starter immediately enters the OFF mode b As the output voltage approaches zero the starter enters OFF mode 6 TRIP mode In TRIP mode the main contactor run and start run contacts are open and the trip relay changes state SCR conduction is inhibited a Ifthe RESET is closed the starter enters the OFF mode Analogue Outputs Two 4 20mA analogue outputs are provided by EMX2 for interface of m Motor Current Motor Temperature These outputs are useful for load control remote panel meters etc FLC H SELECT START STOP RESET Y Y Y Y RS485 THERMISTOR CT s 4 20mA 4 20 STARTER 23 24 13 14 33 34 i 2 u 85 6 87 88 810 011 81213 1 RUN MAIN START TRIP 5 doc UR CONTACTOR RUN 4 Lk OUTPUTA OUTPUT B FIELD Pa Po GND ue L AUXILLARY OUTPUTS Motor Current B10 B11 4 20mA Signal B10 B11 Output A Indicates the average current being drawn by the motor as percentage of Full Load Current 4mA 0 20mA 125 Motor Temperature Thermal Model B12 B13 4 20mA Signal B12 B13 Output B Indicates the modelled motor temperature as percentage of the trip temperature The thermal model is tailored by the Motor Start Time Constant Function 6 4mA 0 20mA 1
92. t Run Run Trip Analogue Outputs Motor Current Motor Temperature Typical Installation Formats SECTION 8 COMMISSIONING PROCEDURE Pre commisssioning Checks Commissioning Procedure Post commissioning Procedure SECTION 9 EMX2 PROGRAMMING PROCEDURE Overview Of EMX2 Function Set Programming Procedure Read Parameters Program Parameters Function Adjustment Chart SECTION 10 TROUBLE SHOOTING GUIDE Step by Step guide EMX2 SERIES snag AMA00078 Rev A 6 CAUTION STATEMENTS SECTION 1 CAUTION STATEMENTS Overview This section highlights potential causes of equipment damage Content Caution List This caution symbol is used throughout the EMX2 Manual to draw special attention to activities which may result in equipment damage A summary of these cautions is listed below CAUTION Such Caution Statements cannot cover every potential cause of equipment damage but can highlight common causes of damage It is therefore the installers responsibility to adhere to all instructions in this manual to follow good electrical practice and to seek advice before operating this equipment in a manner other than as detailed in this manual m Ensure that the EMX2 is completely isolated from the power supply before attempting any work on the unit m Entry of metal swarf into the cabinet can cause equipment failure m Do not apply voltage to the EMX2 control input terminals These are active 12 24VDC inputs and must be control
93. to connect the output of the EMX2 to the same end of each winding and this is usually marked on the motor terminations EMX SERIES 6 3 USERS MANUAL ELECTRICAL CONNECTION POWER CIRCUIT CAUTION Line Contactors Semiconductor Fuses EMX2 SERIES L4 T1 29 L5 T2 49 MOTOR TERMINALS 6 WIRE CONNECTION The six terminations to the motor windings are usually arranged in two rows of three so that the links can be fitted across from the top three terminations to the lower terminations In this case connect the EMX2 to the top terminations only Connect the other three motor terminals to the input of the EMX2 in a manner that connects the end of each winding to a different phase from the input This is easiest achieved by replacing each delta link in the motor terminal box by one phase of the controller For example if the delta links are fitted U1 V2 V1 W2 W1 U2 Connect the incoming phases L1 1 L2 3 L3 5 on the EMX2 Connect the EMX2 s to the motor T1 2 U1 T2 4 V1 T3 6 W1 Connect the other motor terminals to the EMX2 s input V2 L1 1 W2 L2 3 U2 L3 5 SIX WIRE CONNECTION SHOULD NOT BE MADE WITHOUT USE OF A LINE CONTACTOR AS THE MOTOR REMAINS CONNECTED TO THE SUPPLY EVEN WHEN THE STARTER IS SWITCHED OFF The EMX2 is designed to operate with or without a line contactor In many regions there is a statutory requirement that a line contactor be employed with electronic motor control equipment From a safety point
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98. uitable for the application Check the C T s supplied and or fitted and ensure that they are equal to the ratio specified on the Application Data Sheet on page 1 of this manual Inspect the starter and report any visible signs of damage to the unit Verify that the control circuit is 8 suitable for the application b compatible with the EMX2 control philosophy Cooling of the EMX is important for the long term reliability of the product and for the elimination of over temperature trips Ensure that the ventilation is appropriate for the application If the EMX2 is not bypassed during run ensure that there is provision for sufficient passage of air out of the enclosure to cool the unit This may require forced ventilation of the enclosure Check that the Electronics amp Fan PT input is connected to a control supply using either terminals A1 and A2 2 and NB Only two terminals are to be connected Apply power to the Electronics PT input and ensure that the POWER LED on the control panel illuminates Following the Read Parameter procedures step through all the parameters 1 30 checking them against the Factory Settings Study the parameters and verify that each parameter is appropriate for the application Change any parameters which need to be altered and record the new settings Program the new settings into the EMX2 following the Save Parameter procedures EMX SERIES 8 1 USERS MANUAL COMMISSIONING PROCE
99. unction 3 to the Current Limit Function 2 Display Units Seconds Limits Range BE 0 sec Maximum 30 sec Factory Setting Refer Application Data sheet on page 1 of this manual The EMX is equipped with a user selectable and adjustable Uni Stop soft stop function Os 100s Uni Stop Soft Stop when enabled reduces the voltage applied to the motor causing the motor to stall and decelerate to zero speed The effect of this is to add inertia to the load and thereby reduce the rate of deceleration Uni Stop technology dynamically adjusts starter output to match the motor characteristics as they change during stopping Uni Stop Soft Stop eliminates the motor instability sometimes experienced with ordinary soft stop systems Uni Stop provides particular advantage in pumping applications where both starting and stopping times can be adjusted to minimise fluid hammer without the need for dedicated pump soft start units VOLTAGE T T T T T 0 5 10 15 20 25 30 35 40 TIME sec STOP RAMP TIME BBA10105 If utilising the Uni Stop Soft Stop function and a line contactor the contactor must not be opened until the end of the stop ramp time The EMX2 s Main Contactor Control relay can be used to provide appropriate contactor control The Soft Stop Ramp Time Function 5 should be adjusted such that it provides optimum stopping performance for the application Setting the Soft Stop Ramp Time to 0 seconds d

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