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Instruction Manual

1. STEP 2 Choose your control method from one of the following Connect your control wiring as shown Push Button Control Switch or Contact Control MSC 3 Control Board MSC 3 Control Board 5V D1 D2 D3 D4 EN 5V D1 D2 D3 D4 EN 3 Wire 2 Wire Control 5 Control Power up Start MSC 3 Control Board MSC 3 Control Board 5V D1 D2 D3 D4 EN 5V Di D2 D3 D4 EN 1 2 3 4 5 6 The Local Remote Selection can be used on any of the above circuits Wire terminals 5 and 6 as shown IMO0092A Page 11 MSC 3 User s Manual External Reference MSC 3 Control Board STEP 3 Choose your speed reference and connect it as shown External Potentiometer MSC 3 Control Board SCN 5V IN IN COM 9 10 11 SCN 5V IN IN COM 1k to 10k ohm potentiometer SW1 0 to 5V Preset Speed Console Reference Operation at a fixed speed Use the Up and Down arrows on the front panel to control the speed To use either the Preset Speed or the Console Reference select REMOTE from the REFERENCES menu Use the arrows to display the options Press Enter when the one you require is displayed Set SW1 as shown If a 4 to 20mA reference is to be used select REMOTE from the REFERENCES menu AN1 should be displayed Press Enter Set the REF AT 0 to 25 Press Enter SWT 0 10V Swi 0 20mA BR 4 20mA STEP 4 Setup your motor parameters in the MOTOR menu using the motor nameplate information STEP 5 From the PERFORMANCE menu setup yo
2. 480V MSC 3R20 18 000A 480V MSC 3R23 18 000A 480V MSC 3R30 18 000A 480V MSC 3R40 18 000A 480V MSC 3R55 T 18 000A 480V MSC 3R82 T 18 000A 480V MSC 3R109 T 18 000A 480V MSC 3R140 T 18 000A 480V 10 A W G 6mm 15 6 in lb 10 A W G 6mm 15 6 in lb 10 A W G 6mm 15 6 in lb 10 A W G 6mm 15 6 in lb 6 A W G 16mm 16 in lb 6 A W G 16mm 16 in lb 1 1 1 4 1 8 1 8 6 A W G 16mm 16 in lb 1 8 os i 6 A W G 16mm 16 in lb 1 6 A W G 16mm 2 0 A W G 70mm 120 in lb 13 6Nm 2 0 A W G 70mm 120 in lb 13 6Nm 2 0 A W G 70mm 120 in lb 13 6Nm 2 0 A W G 70mm 120 in lb 13 6Nm 8 Nm m m m 1 8 Nm 16 in lb HHHHHHHHH CC 600V MSC 3J3 18 000A 600V MSC 3J5 18 000A 600V MSC 3J7 18 000A 600V MSC 3J11 18 000A 600V MSC 3J15 18 000A 600V MSC 3J20 18 000A 600V MSC 3J23 18 000A 600V MSC 3J30 18 000A 600V MSC 3J40 18 000A 600V MSC 3J55 T 18 000A 600V MSC 3J82 T 18 000A 600V MSC 3J109 T 18 000A 600V MSC 3J140 T 18 000A 600V 10 A W G 6mm 15 6 in lb 10 A W G 6mm 15 6 in lb 10 A W G 6mm 15 6 in lb 10 A W G 6mm 15 6 in lb 6 A W G 16mm 16 in lb 1 8 Nm 6 A W G 16mm 16 in lb 1 8 Nm 6 A W G 16mm 16 in lb 1 8 Nm 6 A W G 16mm 16 in lb 1 8 Nm 6 A W G 16mm 2 0 A W G 70mm 120 in lb 13 6Nm 2 0 A W G 70mm 120 in lb 13 6Nm 2 0 A W G 70mm 120 in lb 13 6Nm 2 0 A W
3. Standards Compliance Models marked with this symbol comply with the Australian EMC Framework requirements UL 508C Local Controls Up Down Enter Escape Stop Reset Terminal Strip Digital Inputs 5V and DIG COM 5Vdc supply 40mA max current D1 to D4 and EN Digital Inputs Logic High 3 to 5Vdc Logic Low 0 to 2Vdc Analog Input Vref and AN COM 5Vdc Supply 5mA max current IN and IN Differential Input 0 to 5V range 0 to 10V range 4 to 20mA range Common mode range 25Vdc to AN COM Relay Outputs 2 Form C Outputs Single pole change over contacts Contact Rating Resistive load 5A 250Vac 5A 30Vdc Contact Rating Inductive load 2A 250Vac 2A030Vdc User Parameters 0 to 20mA range Page 42 Motor Voltage 200 to 900V The output voltage cannot exceed the input voltage Motor Current 20 to 150 of max continuous current Motor Frequency 30 to 200Hz Motor Speed 500 to 60 x Motor Frequency in rpm Minimum Frequency 0 TO 195HZ Maximum Frequency 5 to 200Hz Acceleration time 0 5 TO 600S Deceleration time 0 5 TO 600S S time 0 01 to 40s Flux Plus 0 to 150 Slip Comp 0 to 150 of slip speed DC Hold 0 to 50 of drive rated current Audible 2 to 16kHz Frequency Current Limit 20 to 110 of max cont current Pi 20 to 110 of max cont current I Zero Hz 20 to 100 of max cont current P cnr Hz 2 to 200Hz Drive Stopping Ramp to stop Coast to stop Dynamic Brak
4. MaxHz INPUTIOUTPUT Accel Time too TerminalConfig Decelime too oR AAA Sime 00 ENABLEJRESET pami RESET__ E AER ARA speed Flux pa Disabled DIG IN2 O STOP Slip Comp o i ins PWD L Audible Freq AUTO DIGIN4 REMOTE PROTECTION RELAY1 PAN Current Limit RELAY2 TRIP A poo gt REFATO O AA zeon _ Y RERAT 100 o PtcomerHz 10 PRESET Speed Reverse 10 Disabled MOTORIZED POT RESET Imbal Trip Disabled DC Input pf Disabled Serial No ______ k Designator eg sF Drive Specific IM00092A Page 41 MSC 3 User s Manual MSC 3 Specifications Input Supply Voltage MSC 3R 380 to 480Vac 30 MSC 3J 440 to 600Vac 30 MSC 3L 208 to 240Vac 30 All these voltages have a tolerance of 15 to 10 Input Frequency 48 to 62Hz Output Voltage MSC 3R 0 to 480Vac 30 MSC 3J 0 to 600Vac 30 MSC 3L 0 to 240Vac 30 The output voltage cannot be higher than the input voltage Output Frequency Range 0 to 200Hz Resolution 0 1 Linearity 0 2 of maximum frequency Enclosure Rating IP30 NEMA 1 IP66 NEMA 4 Environmental Rating Storage Temperature 20 to 70 C 4 to 158 F Operating Temperature 0 to 40 C 32 to 104 F 0 to 50 Ct 32 to 122 C T Dependent on load current Relative Humidity 5 to 95 Non condensing 0 to 1000m 0 to 3281 feet Altitude
5. message appears the DECEL time to make this message disappear If faster or controlled deceleration is required fit a dynamic braking module V LIMIT message Input voltage has See MSC 3 General Specifications for input voltage appears continuously exceeded maximum ratings rating OPT SC message Short circuit on motor Check wiring to motor terminals appears terminals Earth Fault on motor Check wiring to motor terminals terminals Motor current was Check drive and motor current ratings greater than the MSC 3 s maximum current OV Input voltage has See general specification and check the input is message appears exceeded maximum within ratings ratings Check input supply for voltage transients Fix the external source Motor is overhauling Ensure load cannot overdrive the motor If necessary fit dynamic braking OT message Ventilation problem Ensure operating ambient temperature is within specification Check fans are rotating freely and there is no build up of dust or debris in blades Visually examine the heatsink fins for build up of dust and debris Drive is constantly Check the MSC 3 continuous current and ambient overloaded temperature rating Motor is unstable SLIP COMP is set too Check that MOTOR NAMEPLATE RPM setting is high equal to the motor rated speed Check that NAMEPLATE CURRENT setting is equal to the motor nameplate current Reduce SLIP COMP setting FLUX PLUS set too Reduce FLU
6. LIMIT message appears C LIMIT message appears continuously Page 38 Current limit circuit is operating CURRENT LIM set too low Motor mechanically overloaded Motor shaft jammed Fault in motor or motor wiring Incorrect motor voltage selected Incorrect motor frequency selected FLUX PLUS is set too high This is a normal operating mode for the MSC 3 When the load is being accelerated too fast the MSC 3 limits current drawn by the motor by extending the acceleration ramp time A faster Accel time is not possible with this Current Limit setting Increase the ACCEL time until the C LIMIT message disappears Increase CURRENT LIM value so that the MSC 3 is not prematurely limiting current Check that the motor will not be overheated with the new setting Check the actual load is within the motor s capacity at the required speed Check the mechanical drive system Check that motor is wired correctly Enter correct motor voltage from the MOTOR menu Enter correct motor frequency from the MOTOR menu Reduce the FLUX PLUS setting IMO0092A MSC 3 User s Manual Symptom Cause Remedy Motor does not Voltage limit circuit is This is a normal operating mode for the MSC 3 decelerate in the time operating When the load is being decelerated too fast the set by the DECEL MSC 3 limits the voltage regenerated by the motor ramp and V LIMIT by extending the deceleration ramp time Increase
7. Manual Warning Please note the following Your MSC 3 must be applied installed and operated in a safe manner in accordance with all local rules and regulations The MSC 3 is intended for use only in fixed wiring applications lt is not intended for use on a flexible supply cable The MSC 3 contains a substantial EMC line filter and as a result it is unsuitable for use on earth leakage protected circuits The MSC 3 contains capacitors that take greater than one minute to discharge below 50Vdc The voltage across these capacitors should be measured before any work is carried out inside the enclosure The MSC 3 contains high energy circuits that may be hazardous Do not operate the MSC 3 with the door or enclosure open Receiving Inspect the MSC 3 for any shipping damage If any damage is found report it to the carrier immediately Access the inside of the controller and visually check for any damage Do not attempt to operate the MSC 3 if any obvious damage exists After the initial inspection the MSC 3 can be repacked and stored in a clean dry location until it is required for use DO NOT store this equipment in an area where the ambient temperature will fall below 20 C 4 F or rise above 70 C 158 F DO NOT store this equipment in areas of high condensation or corrosive atmosphere Proper storage is necessary to ensure satisfactory controller start up and performance Software This ma
8. and Down arrows on the front panel to control the speed To use either the Preset Speed or the Console Reference select REMOTE from the REFERENCES menu Use the arrows to display the options Press Enter when the one you require is displayed Set SW1 as shown lf a 4 to 20mA reference is to be used select REMOTE from the REFERENCES menu AN1should be displayed Press Enter Set the REF AT 0 to 25 Press Enter STEP 4 From the INPUT OUTPUT menu select Terminal CFG Use the up and down arrows uniil CONFIG 3 is displayed Press ENTER Now connect the wire to terminal 6 STEP 5 Setup your motor parameters in the MOTOR menu using the motor nameplate information STEP 6 From the PERFORMANCE menu setup your MIN and MAX speeds and your RAMP times STEP 7 From the PROTECTION menu setup your current limit and It currents Page 14 IM00092A MSC 3 User s Manual Quick Setup for Config 4 Features 3 3 3 3 3 Select between Local and Remote Forward Operation Reverse Operation STEP 1 Wire your supply into the L1 L2 L3 and Earth terminals Wire your motor into the M1 M2 M3 and Earth terminals See page 7 of the instruction manual for recommended fuse or circuit breaker ratings STEP 2 Choose your control method from one of the following Connect your control wiring as shown Do not connect the wire into terminal 6 yet Push Button Control Local Remote Selection MSC 3 Control Board MSC 3 Control Board
9. b e ale eek di td etc da Y ek 3 SOFTWARE E ccoo acelera beh aaah Co dd do od Co Bat eel od Deia 3 MSC 3 MECHANICAL INSTALLATION DIAGRAM 4 3 PHASE MSC 3 ELECTRICAL INSTALLATION DIAGRAM 7 SINGLE PHASE MSC 3 ELECTRICAL INSTALLATION 8 INDUSTRIAL TERMINALS TYPICAL CONNECTION DIAGRAM CONFIG 1 c cecescececeececceeeceececescscercseeceseacerees 9 HVAC TERMINALS TYPICAL CONNECTION DIAGRAM CONFIG 3 ccccccsececcecescecescececcetecescecescetecesserertacerees 10 QUICK SETUP FOR CONFIG das 11 QUICK SETUP FOR CONFIG Bas 13 QUICK SETUP FOR CONFIG 4 mans 15 KIS TETE PC EE EEEE ESEE R E RAE CE 17 MSG 8 RUN MODE sta tede tara e eta zela io i 17 MSC 3 MENU MODE o tik elke aaa Bla 19 CONTROL CONSOLE MENU 19 A A dzia dete tod bins Luz 19 A01 RUN VARIABLE o emana 19 A tia A ated oe 19 A03 RUN UNITS 20d aa ash tect aed Mazda ara Meck dat dh toba out Boal 19 A04 MENU PROTECT eee eee aaa 20 A05 SEC EB ZO PRE RE A A EA NE 20 BOO MOTOR zane mata A A osz wand ikon lke OG M 20 BOI MOTOR VOLTS lt Z can dd dad agi e RAL ady kdo ta i 20 BO2 MOTOR AMPS 41 205 Zadie ah a teste cla tan cda lle nt T otal ino ie ect code AA cea he teed Mins anh 20 BOS MOTORHZ didas 20 BOA MOTOR RPM iria Perinatal dais nella tale dra tdo ria cada Lc 20 COO PERFORMANCE ams 21 A O RE CZE OZ TRACE SKA NIE 21 Isi E AZ no e A T 21 IS 21 A A Asa Boece 22 A 22 C06 S TIME ata tec binds Mahone L d pele oe budo dedos blade dial eolica 22 COPELUXPLUS
10. not required it will then be turned off R11 V1 38 23 C MSC 3 Run mode Once the start banner is removed the display is set in the Run Mode The top line contains the run variable The second line contains the speed reference and the drive status An example of the Run Mode display is shown below 25 0 Hz 50 0 FWD The example shows that the desired output speed is 50 Hz and the motor is rotating at 25 Hz in the forward direction as indicated by the status To start the drive select a direction by pressing either of the run buttons A FWD or WREV button Use the A FWD button to increase the speed reference and the W REV button to decrease it The motor should rotate up to the desired speed If it does not refer to the Trouble Shooting Guide at the end of this manual If the motor shaft spins in the wrong direction remove the input power wait for the MSC 3 to discharge and swap any two motor phase wires Re apply input power and select a direction by pressing A FWD or Y REV IM00092A Page 17 MSC 3 User s Manual Operation and access to the Run Mode and Menu Mode is done with the console push buttons The action of each push button changes with the mode of operation and the state of the drive The following table describes how the console push buttons affect the drive control Console Push Button operations Console Mode Motor Stopped Menu mode used for entering setup information Run Display mode w
11. or reverse internally latched If a trip is present A and Y adjust the speed reference without running the motor Pressing will have no effect Pressing ESC will abort the Run Display mode and the console changes to the Menu mode Pressing STOP will reset any trip condition Pressing A V or e will have no effect Pressing ESC will abort the Run Display mode and the console changes to the Menu mode MSC 3 User s Manual MSC 3 Menu mode The Menu mode is entered from the Run mode by pressing the ESC push button pressing ESC again will return to Run mode Use the A and Y push buttons to display each menu item To enter the menu press the push button This action will either display another menu or display a setting ready for adjustment Control Console Menu A00 DISPLAY This menu allows selection of run variables and in the case of output frequency adjustment of its display format and units lt also provides a restore factory defaults function A01 RUN VARIABLE A single run variable is selected from this menu for display on the run screen e V01 Hz Output frequency e V02 rpm Motor speed e V03 Load Relative motor load e V04 Amps Drive output current e VO5 Volts DC DC link voltage e V06 kW Drive output power e VO7 Volts AC Drive output voltage e Vv08 C Power circuit temperature Celsius e V09 F Power circuit temperature Fahrenheit e V10 lt used Motor th
12. speed reference to AN1 2 Sets the LOCAL speed reference to the CONSOLE REF 3 To change either of the above references go to A35 DIG IN 4 in the menu and select an alternate after you have selected this terminal configuration 4 JOGFWD uses the internal PRESET as the jog speed source Go to A34 DIG IN 3 to change JOGFWD speed reference IM00092A Page 31 MSC 3 User s Manual G07 CONFIG 6 Terminal 13 14 15 LEJ ENABLE 1 The MSC 3 only runs in remote 2 Analog Input 1 is the speed reference for FWD and REV 3 JOGFWD and JOGREV use the internal PRESET as the jog speed source Go to A34 DIG IN 3 or A35 DIG IN 4 to change the jog speed or source after you have selected this terminal configuration 4 The FWD and REV inputs are non latching This means a direction signal must be held continuously to make the motor run G08 CONFIG 7 Terminal 13 14 15 Es FWD amp ENABLE 1 The MSC 3 only runs in remote 2 The Motorised potentiometer in persistent mode is the speed reference in remote 3 How fast you can change the Motorized Pot reference is defined by the ramp settings G09 CONFIG 8 Terminal 13 14 15 Ea et aa 1 Sets the REMOTE speed reference to the Motorized Potentiometer The UP and DOWN buttons on the console operate in parallel to the Up and Down terminals They will change the value of the motorized pot but will not start the motor 2 Sets the LOCAL speed reference to the CONSOLE REF T
13. tate hin eds detect ahi tenth him galls ima oo Dag ham ea ROZNIA 29 IM00092A Page 1 MSC 3 User s Manual G00 INPUT QUTRU Taca dE Lina A lacada 30 STANDARD TERMINAL CONFIGURATIONS uuu eee aaa anawa aaa cnn nnnn nan n nn nine r rra nine n nin nine 30 G02 CONFIG INDUSTRIAL 2 5 5 000008000 Ud e Ba edad een da 30 G03 CONFIG 2 VS5C2000 uo OSC ee ie ee ee os 31 G04 CONFIGS AVAG cuota llas 31 G05 CONFIG 4 webu a ada ui ad tout ier ame tiie uae 31 COE fC ONF G S a a a E RT 31 GO7 GONFIG Groei ona a ee te sleds Sateen os afore m R ac E R Mears 32 G08 CONFIG T a a ladridos 32 GO9 CONFIG 8 rst ec as ias 32 G10 ENABLE RESE T a Tian 07A KORSZE Ee ES ee ba OS AE 32 GAA DIG onein ie ta ee eaa cars testy Siar zen eat Crs E dO AP dada AO 33 CHECA ZORRO a DD BB ld 33 GAS DIGAING vec Stes nosie Ro R S oe A eke cae awk oC EE APE RE EWA 33 GT4 DIGINA e EN eae De 33 CONTROL TERMINAL FUNCTIONS sese eee 34 GIS RECAM als 36 G16 RELAY A RE A PROROK cree aie te hee hehe PE RL EYE eas OE echoes MAE 36 RELAY OUTPUT FUNCTIONS uu eee eee eee ee Teo aaa aaa RER Re N a Rade ach 36 DISPLAY MESSAGES coso zo AE EE ROEE O PAPA anes 37 MSC 3 TROUBLE SHOOTING GUIDE sese eee 38 YOUR MSC 3 SETUP NOTES eien aa a a A a aia 41 MSC 3 SPECIFICATIONS 2380 20 RU ee L a JAAA a LA A A R aA E io lalala 42 MSC 3 OUTPUT CURRENT SPECIFICATIONS sse eee e eee 44 APPENDIX A MSC 3 CHARACTER SET eee 45 Page 2 IM00092A MSC 3 User s
14. the speed source you must select the mode of operation Available choices RO5 PersistENT R06 RESET default Use the up or down buttons to select either RO5 PERSISTENT or RO6 RESET Press Enter to accept the selection or ESC to abort In PERSISTENT mode the Motorized Pot speed will be remembered when power is removed The Motorized Pot reference will return to this value the next time the MSC 3 is run In RESET mode the Motorized Pot speed will not be remembered when power is removed The Motorized Pot reference will always start from zero after power is applied R07 CONSOLE REF When this is selected the reference is set from the console using the up and down arrows when the MSC 3 is in the run mode IM00092A Page 29 MSC 3 User s Manual G00 INPUT OUTPUT There are two ways to assign terminal strip functions in the MSC 3 The user can choose a standard terminal configuration from the standard list The user can create a custom terminal configuration The simplest way to set a terminal configuration is to choose from one of the standard terminal configurations tabulated below From the console menu press enter Use the up arrow and down arrow buttons to move through the list of standard terminal configurations CONFIG 1 CONFIG 8 When you have chosen a configuration press the enter button Selecting one of these loads the terminals with the listed functions The MSC 3 does not remember which configuration was selected but rememb
15. 3 User s Manual G03 CONFIG 2 VSC2000 Terminal Ki Ez FWD 8 REV 8 RESET STOP LATCH LATCH ENABLE RUN mp 1 The MSC 3 only runs in remote The remote reference can be set to any available option 2 AN1 is the default speed reference 3 To run the drive in reverse the Reverse Direction must be enabled G04 CONFIG 3 HVAC Terminal 13 14 15 Ek FWD 8 ENABLE 1 Sets the REMOTE speed reference to AN1 2 Sets the LOCAL speed reference to the CONSOLE REF 3 To change either of the above references go to A35 DIG IN 4 in the menu and select an alternate after you have selected this terminal configuration 4 Sets the ESO speed reference to the PRESET speed To change this reference go to A34 DIG IN 3 in the menu to select an alternate speed source 5 See page 10 for typical examples of wiring for this terminal configuration G05 CONFIG 4 gt D1 D2 D3 D4 RL1 RL2 Terminal 2 3 4 5 13 14 15 16 17 18 FWD amp REV amp ENABLE Function STOP LATCH LATCH REMOTE RESET RUN TRIP 1 Sets the REMOTE speed reference to AN1 2 Sets the LOCAL speed reference to the CONSOLE REF 3 To change either of the above references go to A35 DIG IN 4 in the menu and select an alternate after you have selected this terminal configuration G06 CONFIG 5 z D1 D2 D3 D4 RL1 RL2 Terminal 2 3 4 5 13 14 15 16 17 18 FWD amp ENABLE Function STOP LATCH JOGFWD REMOTE RESET RUN TRIP 1 Sets the REMOTE
16. 5V D1 D2 D3 D4 EN 5V D1 D2 D3 D4 EN If Local Remote Selection is required wire terminals 5 and 6 as shown Reverse STEP 3 Choose your speed reference and connect it as shown External External Potentiometer Reference MSC 3 Control Board MSC 3 Control Board SCN 5V IN IN COM SCN 5V IN IN COM 8 AO 15 8 9 10 11 12 1k to 10k ohm SW1 0 5V potentiometer SW1 0 10V sw1 Oto 5V sw1 m 0 20mA 4 20mA Preset Speed Console Reference Operation at a fixed speed Use the Up and Down arrows on the front panel to control the speed To use either the Preset Speed or the Console Reference select REMOTE from the REFERENCES menu Use the arrows to display the options Press Enter when the one you require is displayed IM00092A Page 15 MSC 3 User s Manual Set SW1 as shown If a 4 to 20mA reference is to be used select REMOTE from the REFERENCES menu AN1should be displayed Press Enter Set the REF AT 0 to 25 Press Enter STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 Page 16 From the INPUT OUTPUT menu select Terminal CFG Use the up and down arrows until CONFIG 4 is displayed Press ENTER Connect the wire to terminal 6 now Setup your motor parameters in the MOTOR menu using the motor nameplate information From the PERFORMANCE menu setup your MIN and MAX speeds and your RAMP times From the PROTECTION menu setup your current limit and It currents From the PROTE
17. C 3 independent of the input voltage e 60 Second Rating Page 44 IM00092A MSC 3 User s Manual Appendix A MSC 3 Character Set IM00092A Page 45 Australian ZENER ELECTRIC PTY LIMITED Manufacturers CA DELIVERY ADDRESS POSTAL ADDRESS 366 Horsley Road P O Box 4462 Tel 61 2 9795 3600 MILPERRA MILPERRA DC Fax 61 2 9795 3611 NSW 2214 NSW 1891 Email zenerOzenernet ZENER AUSTRALIA AUSTRALIA http www zener net O Zener Electric Pty Limited 2001 IM00092A 23 November 2001
18. CTION menu enable the REVERSE direction IMO0092A MSC 3 User s Manual MSC 3 Start up Connect the input and motor wiring in accordance with the Electrical Installation Diagram Select the terminal configuration you require from the table on page 30 Connect the control wiring according to the appropriate Control Wiring Diagram or follow a quick setup The MSC 3 is now ready to run Before applying power ensure that rotation of the motor shaft will not cause injury or damage After applying power it is recommended that you at least go through the MOTOR PERFORMANCE and the INPUT OUTPUT menus to set up the MSC 3 before running the motor to prevent any unexpected motor operation The MSC 3 is supplied with a link between the En terminal and the 5V terminal which is all that is required to run the MSC 3 from the console A connection between these two terminals must always be made for the motor to run MSC 3 AC DRIVE La REV ENTER STOP CIELO The five pushbuttons and display form a console through which drive features and settings are altered to suit the application When the MSC 3 is first powered up the start banner is displayed for approximately 2 seconds An example of the start banner is shown below It displays the drive size software version and the temperature of the MSC 3 hardware While the banner is displayed the internal fan is switched on to verify its operation If the fan is
19. ED Set the A R CLR TIME to 0 1min for infinite auto restarts Use the up or down buttons to adjust A R CLR TIME Press Enter to accept the adjustment or ESC to abort E10 Reset by PF Available Choices HOO ENABLE HO1 DISABLE default Enabling this facility allows the MSC 3 to reset all trips when a momentary power failure occurs This feature is useful in power up start applications because trips may be cleared without any extra switch logic by turning the power off and straight back on again without waiting for the drive to completely power down Use the up or down buttons to select either Enable or Disable Press Enter to accept the selection or ESC to abort Page 26 IM00092A MSC 3 User s Manual FOO REFERENCES This lets you set the speed references for all the MSC 3 operating modes Various options may allow the connection of a different speed source from those listed for the standard MSC 3 When these options are fitted the extra input options will appear where the word Options appears in the lists below More preset speeds or a second analog input are examples of this For more information on the different drive operating modes see the Control Terminal Functions on Page 34 F01 REMOTE Default value Analog Input 1 Other Choices Preset Motorized Pot Console Ref Options When the drive is operating in remote mode it will take its speed reference from this source Use the up and down push buttons to se
20. G 70mm 120 in lb 13 6Nm 16 in lb 1 8 Nm 2 HHHHHHHHH CCC e Inverse time circuit breakers can be used provided that the let through energy 70 and peak let through current Ip is less than that of the maximum fuse rating specified e Use Copper Conductors Only MSC 3 Specifications DC Supply Voltage Output Voltage MSC 3R 400 to 680Vdc T MSC 3R 0 to 480Vac 30 MSC 3J 550 to 850Vdc T MSC 3J 0 to 600Vac 30 MSC 3L 200 to 340Vdc T MSC 3L 0 to 240Vac 30 All these voltages have a tolerance of The output voltage cannot be higher than the input 15 to 10 voltage divided by 1 414 t Rating not included in UL listing IM00092A Page 43 MSC 3 Users Manual MSC 3 Output Current Specifications MSC 3 40 C 1049 E Ambient 50 C 122 F Ambient Continuous Current for Over Load Continuous Current for Over Load General PA General PA Purpose py Rating Purpose pyty Rating Rating Rating x3 3 6 2 7 4 7 3 0 2 2 4 7 x5 5 0 3 6 6 3 4 1 3 0 6 3 x7 7 1 5 2 8 9 6 0 4 4 8 9 x11 10 7 7 8 13 4 9 0 6 6 13 4 x15 14 9 10 9 19 0 12 4 9 1 19 0 x20 19 7 14 5 25 0 16 5 12 1 25 0 X23 22 5 16 5 28 6 18 8 13 8 28 6 x30 30 1 22 1 38 4 25 0 18 3 38 4 x40 40 3 29 6 51 1 33 8 24 8 51 1 x55 55 0 40 3 70 0 46 0 33 7 70 0 x82 82 0 60 1 104 69 1 50 7 104 x109 109 79 9 139 91 3 67 0 139 x140 140 102 7 178 119 87 2 178 These currents apply to all ranges MS
21. MSC 3 Instruction Manual MSC 3 User s Manual ZENER TECHNOLOGY AND QUALITY ASSURANCE Since 1978 Zener Electric has supplied many thousands of AC drives to industry These drives have been installed into numerous applications resulting in a wealth of in house experience The Zener MSC 3 AC variable speed controller is the culmination of this experience modern technology and industrial application requirements The Zener Quality Assurance program ensures that every MSC 3 manufactured has proven to operate correctly in the production test bay before dispatch MSC 3 PRODUCT WARRANTY Zener Electric warranty the MSC 3 against defective workmanship and materials for a period of 24 months from the date of dispatch Such defects will be rectified free of charge for both labour and material at Zener Electric s premises subject to 1 Zener Electric s customer raising an order upon Zener for service and or repairs subject to a warranty claim The order is to state particulars of the model and serial number the date of original purchase and invoice delivery docket number 2 All damage resulting from incorrect installation or use other than in accordance with the instruction manuals issued by Zener Electric is excluded from this warranty 3 The Warranty being rendered invalid if the product is misused or if any unauthorised alteration modification or substitution of any part of the product be made or the serial number of the product is deface
22. O AN1 When the Analog Input is selected as a speed reference for any of the different operating modes two parameters need to be checked The MSC 3 will let you do this every time the analog input is selected as a reference They are RO1 REF AT 0 and R02 REF AT 100 Use the up or down buttons to change the values if required Press enter to accept the value or ESC to abort MSC3 Analog Input Scaling To calculate the values for REF AT 0 and REF AT 100 you need to know the following e Two analog input values and the speed required at each value e The maximum speed e The input range 5V 10V or 20mA Now use the following formulae to calculate the values for REF AT 0 and REF AT 100 highspeed lowspeed max speed y highinput lowinput highspeed REFATO m highinput 100 max speed REFAT100 100 m inputrange REFATO Examples Standard 4 20mA At 4mA input we want OHz and at 20mA input we want 50Hz maximum speed 50Hz using the 0 20mA input range 50 0 __50 20 4 0 0625 REFAT0 Z 0 0625 20 100 25 REFAT100 100 0 0625 20 25 100 Reduced Input Range At 2V input we want 30Hz and at 4V input we want 40Hz maximum speed 60Hz using the 0 10V input range 40 30 60 4 m 0 083 REFATO F 00834 100 33 REFAT100 100 0 083 10 33 117 Bipolar Input At 1V input we want 40Hz in reverse and at 4V input we want 30Hz in forward maximum sp
23. X PLUS setting high Incorrect motor voltage Enter correct MOTOR VOLTAGE from the MOTOR selected menu Incorrect motor Enter correct MOTOR FREQUENCY from the frequency selected MOTOR menu CURRENT LIMIT is set Increase CURRENT LIMIT setting too low IM00092A Page 39 MSC 3 User s Manual Excessive Motor Motor is running at low Do not run the motor heavily loaded at low speeds Heating speeds for long times for long periods unless the motor has been suitably de rated or is force cooled Motor damaged or Check the motor and motor wiring for faults incorrectly wired Incorrect motor voltage Enter correct MOTOR VOLTAGE from the MOTOR selected menu Incorrect motor Enter correct MOTOR FREQUENCY from the frequency selected MOTOR menu Page 40 IM00092A MSC 3 User s Manual Your MSC 3 Setup Notes Photocopy this page or complete in pencil User Parameters Date insano DISPLAY User Default STOPISTART User Defaut Runvariable Hz Stopping BANE Run Scale _ _ 500 DymamioBr _ Disabled RunUnits Hz ARalowed o Menu protect Disabled A Relrtime 20 moror Ss ResetbyPF Disabled Motor Voltage REFERENCES i O Motor Amps REMOTE ANt O MotorHz___ fioc S CONSOLE MotorRPM gt feso PRESET PERFORMANCE JOGEWD PRESET MinHz _ o JOGREVW O __ PRESET AAA EA Les
24. al Terminals Typical Connection Diagram Config 1 MSC 3 Control Board 5V D1 Local Remote Optional Optional Output Disable Single direction 2 wire control Optional Optional Output Disable Single direction 3 wire control Power up start up D2 D3 D4 EN DIG SCN Vref IN IN AN COM com FT TT 10 11 12 i lt 1k to 10k ohm potentiometer Input reference source WI 0 5V 1 SW 0 10V SW1 ren Optional Wiring If selection between local and remote is not required place a link between terminals 1 and 5 If the output disable is not required place link between terminals 1 and 6 IMO0092A RL2 14 15 16 17 18 No Power Power On and Stopped Power On and Drive running RL1 Run No Power Power On and not tripped Power On Drive Tripped RL2 Trip For 4 20mA signals the analog input REF AT 0 should be set to 25 See Speed References section for details Local Remote In local the MSC 3 is controlled from the front panel console In remote the MSC 3 is controlled from the terminal strip Page 9 MSC 3 User s Manual HVAC Terminals Typical Connection Diagram Config 3 MSC 3 Control Board 5V D1 D2 D3 D4 EN DIG SCN Vref IN IN AN com PAT 13 14 15 16 17 18 No Power Power On and Tripped C O Power On Drive Enabled and not trioped RL1 Proof 1k to 10k ohm potent
25. c to abort IM00092A Page 33 MSC 3 User s Manual Control Terminal Functions 100 A momentary contact closure on this input will start the motor FWD8LATCH in the forward direction When the input is removed the motor continues to run in the None forward direction latching It requires an 102 STOP function to be assigned in order to break the latch and stop the motor 101 REV amp A momentary contact closure on this input will start the motor LATCH in the reverse direction When the input is removed the motor continues to run in the reverse direction latching It requires 102 STOP function to None be assigned in order to break the latch and stop the motor The reverse direction must be enabled for the motor to run backwards 102 STOP This input is required to be held for the motor to run If it is opened any latched input is cleared and the motor will stop running None This is used with FWD8LATCH and REV8LATCH to stop the motor 103 FWD While this input is held the motor will run in the forward direction When the input is removed the motor will stop running non latching The I03FWD function disregards the state of the 102 STOP N input and the drive will not stop while 103 FWD input is one present and the Enable input is wired to 5V Both 103 FWD amp 104 REV inputs must be wired to 5 to activate bipolar operation 104 REV While this input is held the motor will run in the reverse direction When the input is removed t
26. cda A ceda do ea diia Desde red leelo iO 22 C08 HISPD FLUX Ec aa bad add add dl id kee 22 CHG ETIE E E E E PE AS Ao At taaa tet mine ka atania Nalin Seth in EATE ted tj EEE 23 G14 AW DIBLE FREQ ta weta ada eee z ddd elta E ba A ai 23 DOO PROTECTIONIE aa i M cd EEATT Raga Mito tura lie encino r rito T A 24 DO1 CURRENT LIM 24 STE O ti Moat aa la izdi Rawdon tia dot AULA 24 DIT cated teres ae A A A A A ds 24 DOS IT ZERO HZ a a TT 24 DOME TON AZ na e oddano dT tered dad doza ewa xe adu da dody dot Ringedok ened 25 DOB REVERSE 25 E A A 25 ESIKO A e a TTT 25 E01 STOPPING ms 25 E06 DYNAMIC BRIK mas 25 E07 AUTO RESTART ns 26 EOS AYRSALELOWED sen A AE E T 26 E09 A R CLR TIME tc lle ad dorado dd add rad dada 26 E10 RESET BY BE 26 FOO REFERENCES tno tea ay awa lle aac ltda 27 FOLREMOTE AN cel ch ach IA rad hice AREA zasn ET spra die AA roszady E ETA hed seed kien deel bos oat KUL 27 FOZTOGAE do A N EE E A AM edhe E E RACE 27 ROS ESO secs tet eth ioe O O aS 27 FOLJOGE WD ta bol Decoder cdo do Do dende oraciones dae edo 27 FOBJOGREW zatr ots Ath Abia tee cases ao eter tes dewon dita EA AET dia osz AO u izaA aa r Mia 27 SPEED REFERENCES uuu uuu aaa 28 O T AE 28 MSC3 ANALOG INPUT SCALING enn 28 R WREFAT Oo EOS 29 RO REFAT IDO aida tarada Sel 29 POS PRESET A arm on ad sA dka tel a tae ttate cit twe a akit Sel tenth tasso ta ANIA Wada audyt doti EAN 29 RO4 MOTORIZD BOT 29 ROZCONSOLE REE Seite tin ARE zyka
27. ctor algorithm that can increase motor flux to produce more torque for the same motor current The amount of extra torque produced will vary from motor to motor depending on motor size efficiency and the operating speed Increase the value to produce more torque This should be done in small steps to ensure the drive does not go into Current Limit If the drive does go into current limit decrease the Flux Plus value slightly This is the maximum torque that the motor can produce Use the up or down buttons for the adjustment Press Enter when adjusted or ESC to abort adjustment C08 Hi Spd Flux Available Choices HOO ENABLE H01 DISABLE default When this is disabled the flux plus decreases with increasing speed This allows more efficient operation of the MSC 3 on loads that have a high starting torque but do not require any extra torque during normal operation If your load requires high torque throughout the entire speed range Enable Hi Spd Flux Press Enter to view the setting Use the up or down push button to enable or disable Hi Spd Flux Press Enter to accept the new setting or ESC to abandon Page 22 IMO0092A MSC 3 User s Manual C09 SLIP COMP Default value 0 Range 0 to 150 of slip speed Motor slip is the difference between the shaft speed and the frequency applied to the motor synchronous speed and is dependent on load Slip Comp can provide compensation for this varying slip to produce constant shaft speed under vary
28. d Motor does not rotate when remote START signal is activated Input power wiring not connected properly Input voltage not within specification Enable signal is not active MSC 3 is in REMOTE Speed is set to minimum Incorrect control signal wiring Enable signal is not active MSC 3 is in LOCAL A direction has not been selected Speed signal is not correctly connected Check input power wiring refer to the MSC 3 Electrical Installation Diagram Measure the input voltage at the MSC 3 input terminals Check with specifications Check that the EN terminal is connected to 5V Check that the ENABLED message is displayed Check that if you have a remote terminal it is not at 5V with respect to DIG COM Increase speed by holding down the UP button Check control wiring to terminals and the terminal functions assigned Refer to Control Wiring Diagrams and Terminal Configurations Check that the EN terminal is connected to 5V Check that the ENABLED message is displayed Check that your remote terminal is at 5V with respect to DIG COM Check that either a FWD or a REV terminal has been assigned and that it is at 5V with respect to DIG COM If the reverse direction is selected ensure that reverse is enabled from the Protection menu Check the REMOTE speed source in the References menu Ensure that this source is not at zero Motor does not accelerate in the time set by the ACCEL ramp and C
29. d or altered 4 The cost of transportation both ways is to be met by the owner if it s necessary to return the product or any part of it to Zener Electric s premises 5 A charge being accepted by the owner for travelling time and expenses incurred in connection with warranty service at the user s site as requested by the owner 6 If the product was not purchased from Zener Electric directly then a warranty claim must be lodged with the original supplier in the first instance Repairs will not be effected by Zener Electric unless approved by the original supplier Goods not of our own manufacture incorporated in our supply or sold by us carry their maker s warranty only 7 Goods returned for claim under warranty will be accepted on the condition that should the claim be rejected then all costs including inspection will be charged to the customer s account 8 Zener Electric is not liable for any consequential loss SAFETY Your MSC 3 must be applied installed and operated in a safe manner It is the responsibility of the user to ensure compliance with all regulations and practices covering the installation and wiring of your MSC 3 The instruction manual should be completely read and understood before attempting to connect or operate the MSC 3 Only skilled personnel should install this equipment THE CONTENTS OF THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE MSC 3 User s Manual WARNING tata btt trat 3 RECEIVING Aa rad a 0
30. e Mount the MSC 3 vertically away from heat radiating sources e Do not mount the MSC 3 in direct sunlight or on hot surfaces e If the MSC 3 is mounted inside another enclosure the total heat dissipation must be allowed for e Remove gland plate before drilling cable holes e Do not allow metal shavings or any other conductive material to enter the enclosure or damage may result e Dimension tolerance is 1 0mm 0 04 e DC Bus choke is mandatory with MSC 3Jxx 600VAC models e The optional DC Bus choke is fitted inside the MSC 3 in all models except Chassis A IP30 For these models the DC bus choke is located in an additional enclosure fitted to the rear face of the MSC 3 The wiring between the MSC 3 and the choke is internal Page 6 IM00092A MSC 3 User s Manual 3 Phase MSC 3 Electrical Installation Diagram IMPORTANT MSC 3 1 Either fuses or a circuit breaker Three Phase Input should be connected as shown Fast semiconductor fuses are not required UL compliant installations must use UL listed fuses as per the table below Cable sizes should be selected L1 L2 L3 E M1 M2 M3 according to local wiring rules using the currents given in the table below For complete motor thermal i f protection microtherms or thermistors should be installed in the motor winding For compliance with EMC standards the motor wiring and ground Oe O conductor must b
31. e enclosed in a continuous metallic sheath or conduit which has good contact to both the motor and inverter chassis The 3 Phase Supply sheath should contain only the wiring from one inverter and its associated DC Supply motor cables No other conductors may be included m N r o I SD08298 Fuse and Circuit Breaker Ratings For All 3 Phase MSC 3 Model Chassis Maximum Recommended UL Class Fuse Numbers Size RMS Input Fuse or C B for UL compliant Current A Rating A installation A MSC 3 3 414 10 10A Class J MSC 3 5 69 0 10A Class J MSC 3 7 96 16 15A Class J MSC 3 11 154 20 20A Class J MSC 3 15 25 3 30A Class T MSC 3 20 304 4 k 40A Class T MSC 3 23 8880 40 k 40A Class T MSC 3 30 484 63 60A Class T MSC 3 40 50 68 60A Class T MSC 3 55 C 78 0 100 100A Class T MSC 3 82 C 1080 15 125A Class T MSC 3 109 C 1480 160 175A Class T MSC 3 140 1790 200 200A Class T is any 3 phase MSC either MSC 3R MSC 3L or MSC 3J To operate the MSC 3 from a DC supply multiply these currents by 1 35 IMO0092A Page 7 MSC 3 User s Manual Single Phase MSC 3 Electrical Installation Any model MSC 3 can be operated from a single phase supply The constraints on single phase operation are as follows e The single phase supply voltage must be within the 3 phase supply voltage limits f
32. e or press ESC to abort the adjustment C03 Ramp The MSC 3 has a programmable Ramp with adjustable acceleration deceleration and S curve rates Individual settings are provided for the linear and curved portions of the ramp Frequency A Acceleration Rate Adjusting the linear setting changes the slope of this line S curve same at both ends of linear ramp S gt tim S time S time time Ramp time with S time set to 0 01 Ramp time with S time set to a value greater than zero When the motor accelerates the ACCEL TIME and S TIME settings are used When the motor decelerates the DECEL TIME and S TIME settings are used Press Enter to adjust these parameters NOTE Alterations to any ramp parameter is not permitted while the drive is operating in ESO mode see page 35 for more information on ESO IM00092A Page 21 MSC 3 User s Manual C04 ACCEL TIME Default value 10 sec Range 0 5 to 600 sec The ACCEL TIME is the time taken for the motor to go from zero speed up to motor rated speed assuming minimum S TIME An MSC 3 with Motor Hz set to 50 Hz and an ACCEL TIME of 10 seconds will take 10 seconds to go from O Hz to 50 Hz Use the up or down buttons to adjust the ACCEL TIME or press ESC to abort adjustment C05 DECEL TIME Default value 10 sec Range 0 5 to 600 sec The DECEL TIME is the time taken for the motor to go from motor rated speed down zero speed assum
33. eed 40Hz using the 0 5V input range 30 40 m 40_ 0583 4 1 REFAT0 do 0 583 4 100 158 REFAT100 100 0583 5 158 133 Inverse Acting Bipolar Input At 10V input we want 60Hz in reverse and at OV input we want 60Hz maximum speed 60Hz using the 0 10V input range 60 60 60 0 10 0 2 REFAT0 02 0 100 100 REFAT100 100 0 2 10 100 100 IM00092A R01 REF AT 0 Default value 0 Range 1000 to 1000 This value specifies what the reference will be when 0 of the input signal is present at the analog input terminals For a 4 to 20mA input signal RO1 REF AT 0 must be set to 25 R02 REF AT 100 Default value 100 Range 1000 to 1000 of input span This value specifies what the reference will be when 100 of the input signal present at the analog input terminals R03 PRESET Default value 60 Range 100 to 100 of CO2 MAX Hz If PRESET is chosen as the speed source you must enter the preset speed value Use the up or down buttons to adjust the preset speed The preset speed is entered in of CO2 MAX Hz Press Enter to accept the speed value or press ESC to abort R04 MOTORIZD POT Motorised Pot operation requires two input terminals Up and Down If the Up terminal is energised the drive speed will increase If the Down terminal is energised the speed will decrease If neither is energised the drive maintains a constant speed If MOTORIZD POT is selected as
34. epeat this seven more times Changes to the run units can be abandoned at any point by pressing the ESC push button When the eighth character is selected pressing Enter will accept the new units setting IM00092A Page 19 MSC 3 User s Manual A04 Menu Protect The feature protects the entire menu mode with a code so that settings and configurations are protected from unauthorized changes After you enable this feature return to the Run Screen The next time anyone presses ESC to enter the Menu mode the following message will appear A07 Enter Code 0 Use the up and down buttons to adjust the code value to the number 1470 Press Enter to accept If entered correctly the familiar menu mode will be displayed If the correct code is not entered you are returned back to the run screen A05 SET CTL DEFS This menu allows the factory default parameters to be reinstalled The MSC 3 must be disabled before you can restore the defaults Pressing the Enter button will cause the message A06 CHECK WIRING to be displayed This is intended as a warning and an opportunity to confirm that terminal wiring is suited to the default settings otherwise unexpected drive operation may result Pressing the ENTER button again will cause the defaults to be loaded B00 MOTOR This menu allows you to enter motor nameplate information Press the Enter button to view and modify Motor Volts Motor Amps Motor Hz and Motor rpm B01 MOTOR VOLTS Defaul
35. er Current or a Ground Fault on the motor terminals OV The DC Bus voltage has exceeded its maximum value OC The output current has exceeded the MSC 3 s continuous output current rating DC LOW The DC Bus voltage has fallen below its minimum threshold PWR FAIL All input phases on the input power supply are either low or missing SUPPLY F There is a problem with the input power supply One phase is either partially or totally missing and motor operation will be impaired OT The MSC 3 is too hot I2T TRIP An ft trip has occurred The following messages indicate the current operating condition of the MSC 3 Run Message Meaning 5 535 CHARGING The MSC 3 is waiting for the DC Bus capacitors to be fully charged before running the motor OPTION TRIP Option Trip Messages C LIMIT The motor is drawing its maximum overload current V LIMIT The motor is regenerating or the input voltage is too high ESO The MSC 3 is operating in Essential Services Override mode OPTION STATUS Option Status Messages FWD The MSC 3 is running in the FWD direction REV The MSC 3 is running in the REV direction ENABLED The MSC 3 has an enable signal but no direction selected NOT EN The MSC 3 is ON but has no enable signal so it is not able to turn a motor IM00092A Page 37 MSC 3 User s Manual MSC 3 Trouble Shooting Guide Front Display does not illuminate Motor does not rotate when UP button on the Console is presse
36. ermal overload level A02 RUN SCALE Default Value 50 0 The default run variable is output frequency in Hz This is the only run variable that may be re scaled lt can be changed to any number from 1 0 to 9999 or 999 9 with one decimal place With A02 RUN SCALE displayed on the top line press enter and the run scale value is displayed ready for edit Use the up and down push buttons to adjust each individual digit Press Enter to move to the next digit To abandon the adjustment at any time press the ESC push button Once the last digit has been adjusted press Enter The value remains on the display and is waiting for decimal point assignment Use the up and down push buttons to shift the decimal point and Enter to accept the position Press ESC to return to A00 DISPLAY A03 RUN UNITS Default Value Hz The MSC 3 is able to display the output frequency in user defined units The default setting is Hz but it can be changed so that the display will show user preferred units For example mtr min Cans hr or anything else up to 8 characters The output frequency is the only run variable whose units can be changed The available characters are found in Appendix A With A03 RUN UNITS displayed on the top line press Enter and the existing run units are displayed on the second line Use the up and down push buttons to select a different character When the desired character is displayed press Enter and the next character may now be adjusted R
37. ers the individual terminal functions lt does this so that you can then modify any of the terminals to suit your specific application This also means that every time you go to the G01 Terminal CFG menu the first option displayed is G02 CONFIG 1 To see the terminal configuration you must look at each terminal individually Note The MSC 3 must be disabled to select another terminal configuration Remember if you make a mistake press the escape button twice This will take you out of the menu mode and move you into the run mode Standard Terminal Configurations refer to ree ect EAR Soo Pr eo BE o jom eg mo eo o FWD 8 REV amp ENABLE G05 CONFIG 4 STOP FWR amp REVS REMOTE FMRE nun TRIP EN FWD 8 ENABLE G06 CONFIG 5 STOP FWR amp JOGFWD REMOTE FMRE TRIP G07 CONFIG 6 KICH JOGREV SSE TRIP FWD 8 ENABLE ENABLE STOP means the logical inverse of STOP i e this input must have 5V applied for the drive to run G02 CONFIG 1 Industrial Terminal ETA EM FWD 8 Function RESET STOP LATCH REMOTE ENABLE RUN rap 1 Sets the REMOTE speed reference to AN1 2 Sets the LOCAL speed reference to the CONSOLE REF 3 To change either of the above references go to A35 DIG IN 4 in the menu and select an alternate after you have selected this terminal configuration 4 See page 9 for typical examples of wiring for this terminal configuration Page 30 IM00092A MSC
38. h button to enable or disable Reverse Press Enter to accept the new setting or ESC to abandon D08 DC INPUT Available Choices HOO ENABLE H01 DISABLE default This feature allows the MSC 3 to operate from a DC Input Supply The DC Supply voltage should be at least 1 414 times higher than the motor voltage Press Enter to view the setting Use the up or down push button to enable or disable DC Input Press Enter to accept the new setting or ESC to abandon E00 STOP START This section sets the motor stopping and starting modes E01 STOPPING Available Choices E02 RAMP TO STOP default E03 COAST This controls the operation of the MSC 3 when any stop signal is given RAMP TO STOP means that the MSC 3 will continue to control the motor in order to bring it to a stop in the time set by the DECEL TIME and S TIME COAST means that the MSC 3 will stop controlling the motor and allow it to coast to a stop just as if the power supply had been disconnected E06 DYNAMIC BRK Available Choices HOO ENABLE H01 DISABLE default Dynamic Braking provides the means for dissipating the motor regenerative energy into an external resistor This may be required when the MSC 3 experiences regenerative currents from an overhauling load or a high inertia load that is required to decelerate rapidly Dynamic Braking requires the dynamic braking option to be connected to the MSC 3 Please see the dynamic braking instruction manual for resistor sizi
39. hassis A Chassis B IP30 IP66 IP30 IP66 mm in mm in mm in mm in A 248 9 8 310 12 2 459 18 1 459 18 1 B 102 4 0 190 7 5 234 9 2 234 9 2 C 237 9 3 236 9 3 243 9 6 243 9 6 D 208 8 2 250 9 8 400 15 8 400 15 8 E 32 1 3 108 4 3 130 5 1 130 5 1 F 230 9 1 287 11 3 436 17 1 436 17 1 Weight 3 5kg 7 7lbs 5 7kg 12 5lbs 15 30 Amp models 17 4kg 38 3lbs without 40 Amp models 18kg 40lbs Choke DC Bus 3 7kg 8 1lbs 2 9kg 6 4lbs 15 30 Amp models 5 5kg 1 2lbs choke 40 Amp models 6 8kg 15lbs weight DC Bus Choke adds 72mm 2 8 to dimension C in Chassis A IP30 only DC Bus choke must be used with MSC 3Jxx 600VAC models IMO0092A Page 5 MSC 3 User s Manual Chassis C Dimensions mm inch A 715 28 1 B 470 18 5 C 290 11 4 D 620 24 4 E 330 13 0 F 667 26 7 Dimensions for the IP 30 and IP66 chassis are identical SH S kic Drive Weights Drive kg lbs x55 42 92 x82 44 97 x109 46 101 x140 50 110 DC Bus Choke weighs 20kg 44lbs on top of Chaasla above weights 600V drives must have a bus choke e Mounting Holes are 12mm 0 47 diameter e Packaging size IP30 and IP66 520 x 750 x 440mm 20 5 x 29 5 x 17 3 inches add 10kg 22lbs e Allow 100mm above below and either side of the enclosure for ventilation IMPORTANT NOTES FOR ALL CHASSIS SIZES e The MSC 3 must be mounted in a vibration free location
40. he chance to set the value will follow with the current value displayed first Use the up and down push buttons to move through the list press Enter to select the new function or Esc to abort Relay Output Functions no O when energised 000 RUN Indicates that the drive is running in either forward or reverse that the drive is running in either forward or reverse none O01 TRIP Indicates the presence of a trip that has stopped the output of the drive none PEE Indicates that the motor speed is below the entered value ES O07 OVER SPEED Indicates that the motor speed is above the entered value of CO2 MAX Hz 008 ON The relay is energized 009 OFF The relay is de energised O10 A R FAIL Indicates that the drive could not auto restart as all restarts have been exhausted none Page 36 IM00092A MSC 3 User s Manual Display Messages The MSC 3 displays a variety of messages on the second line of its display to indicate the drive status These messages may be divided into two types trip messages and run messages The MSC 3 will protect itself under a variety of fault conditions When one of these conditions is experienced the MSC 3 will trip shut down the motor output and display one of the following messages The message will be displayed until the fault is cleared and a reset signal is applied TripMessage _ Meaning An output short circuit has been detected This is caused by either an Ov
41. he console then behaves as normal 3 To change either of the above references go to A35 DIG IN 4 in the menu and select an alternate after you have selected this terminal configuration 4 FWD input is non latching G10 Enable Reset Available Choices HOO ENABLE H01 DISABLE Default This sets the operation of the Enable terminal between being purely an enable terminal and also being able to reset a trip condition When set to ENABLED applying a positive edge to the ENABLE input will attempt to reset a trip condition When this feature is set to DISABLED the ENABLE input cannot reset the MSC 3 after a trip Use the up and down push buttons to select ENABLED or DISABLED Press Enter to accept the setting or Esc to abort Page 32 IM00092A MSC 3 User s Manual G11 DIG IN1 G12 DIG IN2 G13 DIG IN3 G14 DIG IN4 These four menu items permit an individual function assignment to each input terminal Pressing enter on these menu items presents a list of input functions with the currently assigned function being presented first These terminals are all active high Some input functions require the selection of one or more speed references When these functions are selected the choice of speed reference will follow with the currently assigned reference displayed first The list of speed references is as per the FOO REFERENCES menu item Use the up and down push buttons to move through the list press Enter to select the new function or Es
42. he motor will stop running non latching The 104 REV function disregards the state of the 102 STOP N input and the drive will not stop while 104 REV input is one present and the Enable input is wired to 5V Both 103 FWD amp 104 REV inputs must be wired to 5 to activate bipolar operation 105 UP Increases the motorised pot reference 106 DOWN Decreases the motorised pot reference For the UP and Down terminals to have an effect the motorised pot must be selected as a speed source They also require other terminals to stop and start the motor 107 RESET Will attempt to reset a trip condition Page 34 IM00092A MSC 3 User s Manual 108 ESO While this input is held the MSC 3 will operate in essential services override ESO After selecting this function you will be asked for a speed source to be selected When this input is activated The motor runs at the selected ESO speed The following trips are ignored Supply Fail t Trip Over Tem x p O ESO speed Infinite auto restart of all other trips is enabled reference The ramp acceleration and deceleration times are set to 10 seconds Auto Restart and Ramp parameters cannot be changed whilst ESO is in operation Bipolar reference mode is activated Reverse operation may occur and is dependent on speed source Refer to FO3 ESO of the FOO REFERENCES menu for ESO speed source selection I09 JOGFWD Contact closure on this input will run the motor forward at the JOGFWD speed I
43. hen the CONSOLE REF is the active speed source Run Display mode when the CONSOLE REF is not the active speed source Page 18 Pressing STOP will stop the motor Pressing A or Y will either select another menu item or adjust a setting Pressing will select the displayed menu item or accept the value being adjusted Pressing ESC will abort value adjustment or the current menu If the current menu is the top of the menu tree the console changes mode to the Run Display mode Pressing STOP will stop the motor Pressing A or Y will either increase or decrease the motor speed Pressing will have no effect Pressing ESC will abort the Run Display mode and the console changes to the Menu mode Pressing STOP will stop the motor Pressing A V or will have no effect Pressing ESC will abort the Run Display mode and the console changes to the Menu mode IMO0092A Pressing STOP will not reset trip conditions to allow trip messages to be viewed after exiting menu mode Pressing A or Y will either select another menu item or adjust a setting Pressing will select the displayed menu item or accept the value being adjusted Pressing ESC will abort value adjustment or the current menu If the current menu is the top of the menu tree the console changes mode to the Run Display mode Pressing STOP will reset any trip condition If no trip is present pressing A or Y will either start the motor running forward
44. ing Auto Restart Number of restarts 0 to 20 Reset time 0 1 to 20 minutes References Analog Input Console Reference Preset Motorized Potentiometer The following functions can be enabled or disabled Menu Protect Reverse Direction High Speed Flux Plus DC Input Dynamic Braking Reset by Power Failure Power Failure Ride Through IMO0092A MSC 3 User s Manual Max Supply Max Fuse Fuse Max Wire Size Max Tightening Short Circuit Size Class Torque Rating Amps rms Symmetrical 240V MSC 3L3 18 000A 240V MSC 3L5 18 000A 240V MSC 3L7 18 000A 240V MSC 3L11 18 000A 240V MSC 3L15 18 000A 240V MSC 3L20 18 000A 240V MSC 3L23 18 000A 240V MSC 3L30 18 000A 240V MSC 3L40 18 000A 240V MSC 3L55 T 18 000A 240V MSC 3L82 T 18 000A 240V MSC 3L109 T 18 000A 240V MSC 3L140 T 18 000A 240V 10 A W G 6mm2 15 6 in lb 10 A W G 6mm 15 6 in lb 10 A W G 6mm 15 6 in lb 10 A W G 6mm 15 6 in lb 6 A W G 6 A W G 16mm 6 A W G 16mm 6 A W G 16mm 6 A W G 16mm 2 0 A W G 70mm 120 in lb 13 6Nm 2 0 A W G 70mm 120 in lb 13 6Nm 2 0 A W G 70mm 120 in lb 13 6Nm 5 16 in lb 1 1 16 in lb 1 16 in lb 1 16 in lb 8 Nm 1 8 Nm 16mm 16 in lb m m m HHHHHHHHHCC 2 0 A W G 70mm 120 in lb 13 6Nm 480V MSC 3R3 18 000A 480V MSC 3R5 18 000A 480V MSC 3R7 18 000A 480V MSC 3R1 1 18 000A 480V MSC 3R15 18 000A
45. ing loads The MSC 3 estimates the slip of the motor using the parameters entered in the MOTOR parameters menu and the motor load A value of 100 will make the shaft speed equal the synchronous speed Flux Plus may be used in conjunction with Slip Comp to provide increase output torque at low speeds Press Enter then use the up and down buttons to adjust the amount of SLIP COMP When adjusted press Enter to accept the new setting or ESC to abort the adjustment C11 AUDIBLE FREQ Available Choices C12 2kHz C13 4kHz C14 8kHz C15 16kHz C16 Auto select default This value sets the maximum frequency that the drive uses in the creation of its PWM output voltage This frequency is noticeable as an audible sound that the motor makes Usually higher settings produce less audible noise but increase the switching losses which produces more heat in the drive For most efficient operation select 2 kHz Press Enter then use the up or down buttons to choose the AUDIBLE FREQ Press Enter when finished to accept the choice or ESC to abort IM00092A Page 23 MSC 3 User s Manual DOO PROTECTION This section lets you set the motor protection features D01 CURRENT LIM Default value drive overload current Range 18 to100 of Drive Overload Current listed in MSC 3 Output Current Specifications table on page 44 entered in amps This sets the maximum output current of the MSC 3 If excessive load is applied to the motor the drive will on
46. ing minimum S TIME An MSC 3 with Motor Hz set to 50 Hz and an DECEL TIME of 10 seconds will take 10 seconds to go from 50 Hz to O Hz Use the up or down buttons to adjust the DECEL TIME or press ESC to abort adjustment C06 S TIME Default value 0 01 sec Range 0 01 to 40 00 sec The S TIME is the time taken for the motor to reach the limit of acceleration as set by the rated speed and the ACCEL TIME or DECEL TIME Using the S TIME ensures smooth speed increases and decreases The longer the S TIME the smoother the speed transition The S TIME will extend the ramp time as set by the ACCEL and DECEL TIME The ramp time is now roughly equal to the S TIME plus ACCEL TIME or DECEL TIME C07 Flux plus Default value 25 Range 0 to 150 of adjustment range The MSC 3 uses a sensorless flux vector control algorithm to control the motor operation This control algorithm provides independent control of motor flux throughout the speed range and is highly robust against motor parameter changes lt uses the motor nameplate parameters entered in the BOO MOTOR menu as the basis for its calculations to produce the correct flux in the motor For a motor to produce full torque it must have the correct flux applied to it This is particularly critical at low speed Flux Plus adjusts the motor flux estimate to provide additional control where specific adjustments to the motor torque response are required This feature enables an adjustment in the flux ve
47. iometer Essential Services Override No Power Power On and not operating in ESO mode Power On and ESO operating RL2 ESO Local Remote Optional Optional Output Disable Single direction Input relerence seurcs For 4 20mA signals 2 wire control the analog input with ESO SWI 0 5V REF AT 0 should be set to SW1 0 10V A See Speed 20mA c PZA ae section Optional Wiring If selection between local and remote is not required place a link between Local Remote terminals 1 and 5 In local the MSC 3 If the output disable is not is controlled from the required place link between front panel console In remote the terminals 1 and 6 MSC 3 is controlled from the terminal strip Essential Services Override Power up start up with ESO For 4 20mA signals the analog input ZERO should be set to 20 See Speed References section for details Page 10 IM00092A MSC 3 User s Manual Quick Setup for Config 1 Features Forward Operation Select between Local and Remote This terminal configuration gives single direction control from the terminal strip This uses the MSC 3 default terminal configuration Config 1 STEP 1 Wire your supply into the L1 L2 L3 and Earth terminals Wire your motor into the M1 M2 M3 and Earth terminals See page 7 of the instruction manual for recommended fuse or circuit breaker ratings
48. lect a reference and press Enter to accept the selection or ESC to abandon F02 LOCAL Default value Console Ref Other Choices Analog Input 1 Preset Motorized Pot Options When the drive is operating in local mode it will take its speed reference from this source Use the up and down push buttons to select a reference and press Enter to accept the selection or ESC to abandon F03 ESO Default value Preset Other Choices Analog Input 1 Motorized Pot Console Ref Options When the drive is operating in ESO mode it will take its speed reference from this source Use the up and down push buttons to select a reference and press Enter to accept the selection or ESC to abandon If Reverse operation is required in ESO enter the desired speed as a negative value F04 JOGFWD Default value Preset Other Choices Analog Input 1 Motorized Pot Console Ref Options When the drive is running in JOGFWD it will take its speed reference from this source Use the up and down push buttons to select a reference and press Enter to accept the selection or ESC to abandon FOS JOGREV Default value Preset Other Choices Analog Input 1 Motorized Pot Console Ref Options IM00092A Page 27 MSC 3 User s Manual When the drive is running in JOGREV it will take its speed reference from this source Use the up and down push buttons to select a reference and press Enter to accept the selection or ESC to abandon Speed References RO
49. ly apply this amount of current to the motor until the overload condition is removed Current limiting is achieved by reducing the speed of the motor The Current Limit value cannot be set higher than the maximum output current for the drive Press Enter then use the up or down buttons to adjust the CURRENT LIM Press Enter when finished to accept the adjustment or ESC to abort D02 l t The Ft feature estimates the heating of the motor according to the motor load When the estimated heating exceeds It setting the drive will trip on 1 For a motor running at 110 of its 1 current this will take approximately two minutes The time to trip will shorten the further the motor current exceeds the lt value If power is removed from the drive after an Ft trip the motor should be allowed to cool down before the inverter is restarted Motors running highly loaded at low speeds should have external cooling and an external motor thermal sensing device such as microtherms or thermistors for protection The Ft feature has the ability to set the trip threshold as a function of output frequency This allows the lt to protect motors that have reduced cooling at low speeds because they are not externally cooled The diagram below is an example of the Ft trip threshold profile t used D02 Ft az trip threshold DO3 Ft zero Hz Y DO4 Ft cnr Hz It speed profile D02 Ft Default value drive nominal current Range 18 to 100 of drive Overload C
50. ng and dynamic braking application information Use the up or down buttons to select either Enable or Disable Press Enter to accept the selection or ESC to abort IM00092A Page 25 MSC 3 User s Manual E07 AUTO RESTART Auto Restart allows the MSC 3 to automatically attempt to restart after a trip occurs If the MSC 3 trips it will wait 10 seconds then attempt to clear the fault If it is unsuccessful it will keep trying every ten seconds It will do this the number of times specified in A Rs ALLOWED If the fault is cleared and the drive runs without tripping for the A R CLR TIME the number of auto restarts attempted will start counting from 1 again If the trip is cleared by any other means the fault count will start from 1 again Note Alteration to any of the Auto Restart parameters is not permitted while the MSC 3 is operating in ESO mode E08 A Rs ALLOWED Default value 0 Range 0 to 15 restarts This number indicates how many times the MSC 3 will attempt to restart after a trip For the motor to run after the trip is cleared the drive must be given a valid run command Select 0 restarts in order to de activate Auto Restart Use the up or down buttons to adjust A Rs ALLOWED Press Enter to accept the adjustment or ESC to abort E09 A R CLR TIME Default value 20 min Range 0 1 to 20 min If the MSC 3 operates for the A R CLR TIME without any trips occurring the number of restarts is reset to the value of A Rs ALLOW
51. nual applies to MSC 3 software revision 1 38 The software revision is displayed briefly at power up IM00092A Page 3 MSC 3 User s Manual MSC 3 Mechanical Installation Diagram Page 4 E Chassis A IP30 NEMA1 EM il E 4 Chassis A IP66 NEMA 4 U II e Mounting holes are 6 mm 0 25 diameter e Packaging sizes 1P30 280 x 300 x 184 mm 11 0 x 11 8 x 7 5 in add 0 5kg 1 1lbs IP66 330 x 387 x 380 mm 13 0 x 15 2 x 15 0 in add 1 4kg 3 1lbs e Allow 50mm above below and either side of the enclosure for ventilation IMO0092A MSC 3 User s Manual Chassis B osas Dr J E I AA F D A e S Y f in Y A p e a E C s Mounting holes are 6 mm 0 25 diameter e Packaging sizes IP30 and IP66 540 x 400 x 360 mm 21 3 x 15 7 x 14 2 in add 2 7kg 6 0 lbs Allow 75 mm above below and either side of the enclosure for ventilation Dimensions C
52. or the MSC 3 model to be used For example use an MSC 3Lxx model for a 240VAC single phase supply or a MSC 3Rxx model for a 480VAC single phase supply e A standard 3 phase motor of a voltage rating appropriate to the MSC 3 model should be used See the specifications section of this manual for output voltages e f the optional DC bus choke is fitted to an MSC 3 powered from a single phase supply the maximum available output voltage will decrease to 95 of the RMS input voltage This means that the available motor torque at full speed will be reduced to approximately 90 of the motor rated torque This is simply a consequence of operating the motor at lower than rated voltage This de rating does not apply if the optional DC bus choke is nat fitted De rating can also be avoided if the single phase input voltage is 1 05 times the rated motor voltage e The MSC 3 is unsuitable for use with single phase motors e Terminals L2 and L3 should be connected together and the single phase supply should be connected to L1 and L2 In all other respects the connections are the same as for a 3 phase supply e The continuous output current rating is reduced from the values stated for 3 phase supply operation according to the graph below With optional DC bus choke 100 Output Current Rating for Single Phase 50 AC Supply Without optional DC bus choke 33 0 0 Speed 100 Page 8 IM00092A MSC 3 User s Manual Industri
53. speed for an unloaded motor Press Enter when finished or ESC to abort the adjustment Page 20 IM00092A MSC 3 User s Manual C00 PERFORMANCE This section allows you to set the motor performance characteristics C01 MIN Hz Default value 0 Hz Range 0 to 195Hz This sets the frequency that the MSC 3 will run when given a run signal The value is entered in Hz There must be a difference of at least 5Hz between the MIN Hz and the MAX Hz setting For example if MAX Hz is set to 45Hz then the largest allowed value for MIN Hz is 40Hz Use the up or down push buttons to adjust the MIN Hz value press Enter to accept the value or press ESC to abort the adjustment It is possible to use the full span of the analog input to adjust the speed reference through the remaining reduced speed range For example Max Hz 50Hz and Min Hz 20Hz the analog input RO1 Ref at 0 should be set to 40 Zero at the analog input will produce a reference of 20Hz Full span at the input will produce a reference of 50Hz C02 MAX Hz Default value 50 or 60Hz depends on model Range 5Hz to 200Hz This sets the frequency that the drive will run with the speed reference at maximum There must be a difference of at least 5Hz between the MIN Hz and the MAX Hz setting This value is scaled by the Run Scale value and so is always entered in user defined units Use the up or down push buttons to adjust the MAX Hz value press Enter to accept the valu
54. t value 230 240 415 460 or 575 V depends on model Range 200 900 V Use the up or down push buttons to adjust this setting to the motor nameplate voltage Press Enter when finished and the motor nameplate current is displayed or ESC to abort the adjustment B02 MOTOR AMPS Default value drive nominal current Range 18 to 137 of drive overload current listed in the MSC 3 Output Current Specifications table on page 44 Use the up or down push buttons to adjust this setting to the motor nameplate current in amps Press Enter when finished and the motor frequency is displayed or ESC to abort the adjustment Entering the Nameplate Current of your motor determines the operation points for the Flux Plus and Slip Comp features This setting is not used to limit the output current of the MSC 3 Refer to D01 CURRENT LIMIT for that particular feature B03 MOTOR Hz Default value 50 or 60 Hz Range 30 200 Hz Use the up or down push buttons to adjust this setting to the motor nameplate frequency Hz Press Enter when finished or ESC to abort the adjustment This setting does not affect the minimum or the maximum frequency output of the MSC 3 Refer to CO1 MIN Hz and C02 MAX Hz for those features B04 MOTOR RPM Default value 1465 or 1765 rpm Range 500 60 times the Motor Hz entered previously in rpm Use the up or down push buttons to adjust this setting to the motor nameplate speed rpm 60 times the Motor Hz is the two pole
55. t will also clear any latched inputs When the contact is opened the motor will stop After selecting this eee speed function you will be asked for a speed reference to be rererence selected 110 JOGREV Contact closure on this input will run the motor reverse at the JOGREV speed It will also clear any latched inputs When the contact is opened the motor will stop After selecting this mea speed function you will be asked for a speed reference to be PIE renos selected 111 REMOTE Contact closure on this input means that the MSC 3 will follow the control inputs on the terminal strip and the motor will run at the speed set by the Remote speed reference When the contact is opened the MSC 3 will be controlled from the console and will run at the speed set by the Local speed reference r ist This input requires other terminals to stop and start the POS motor After selecting this function you will be asked for a Remote speed reference and a Local speed reference to be selected If the 111 REMOTE function is not assigned to an input terminal remote mode operation is assumed IM00092A Page 35 MSC 3 User s Manual G15 RELAY1 G16 RELAY2 These two menu items permit an individual function assignment to each relay output Pressing enter on these menu items presents a list of output functions with the currently assigned function being presented first Some relay functions require a value to be set When these functions are selected t
56. ur MIN and MAX speeds and your RAMP times STEP 6 From the PROTECTION menu setup your current limit and It currents Page 12 IM00092A MSC 3 User s Manual Quick Setup for Config 3 Features Forward Operation Hand Off Auto Operation STEP 1 Wire your supply into the L1 L2 L3 and Earth terminals Wire your motor into the M1 M2 M3 and Earth terminals See page 7 of the instruction manual for recommended fuse or circuit breaker ratings STEP 2 Choose your control method from one of the following Connect your control wiring as shown Do not connect the wire into terminal 6 yet Push Button Control Switch or Contact Control MSC 3 Control Board MSC 3 Control Board 5V D1 D2 D3 D4 EN Hand Off Auto Operation MSC 3 Control Board MSC 3 Control Board 5V D1 D2 D3 D4 EN 5V D1 D2 D3 D4 EN 1 2 4 1 2 3 4 5 6 s e A Dodo 3 Hand ro o0 Off Auto 11 ESO IM00092A Page 13 MSC 3 User s Manual STEP 3 Choose your speed reference and connect it as shown External External Potentiometer Reference MSC 3 Control Board MSC 3 Control Board SCN 5V IN IN COM SCN 5V IN IN COM 8 9 10 11 12 8 9 10 11 12 1k to 10k ohm swi 0 5V potentiometer W Fr EN Swi 0to 5V N RW Zon Preset Speed Console Reference Operation at a fixed speed Use the Up
57. urrent listed in MSC 3 Output Current Specifications table on page 44 entered in amps This sets the upper limit of Ft and is entered in amps This is equivalent to the usual Ft setting Use the up and down push buttons to adjust the D02 I2t value and press Enter to accept the value or ESC to abandon changes DO3 I t zero Hz Default value drive nominal current Range 18 to 100 of drive Overload Current listed in MSC 3 Output Current Specifications table on page 44 entered in amps Page 24 IM00092A MSC 3 User s Manual This sets the trip threshold when the speed is zero e g DC HOLD This value cannot be set higher than the D02 Ft value set above Use the up and down push buttons to adjust the D03 Ft zero Hz value and press Enter to accept the value or ESC to abandon changes DO4 It cnr Hz Default value 10Hz Range 2 to 200Hz The D04 I2t cnr Hz value sets the frequency above which the profile uses the trip threshold as set by DO2 12t Below this frequency the I t value is set by the slope on the t profile Use the up and down push buttons to adjust the D04 I2t value and press Enter to accept the value or ESC to abandon changes DO5 Reverse Available Choices HOO ENABLE HO1 DISABLE default The MSC 3 is shipped with its reverse direction disabled to prevent damage to mechanical devices or hazardous equipment operation caused by the motor running backwards Press Enter to view the setting Use the up or down pus

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