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SME AC-M1, Manual

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SME AC-M1 Manual Download Page 28

Maximum impulsive inverter current (2'):

AC-M1 72/80V 350A
AC-M1 72/80V 450A

  350Aac   
  450Aac          

Motor switching frequency: 

9KHz

Efficiency:

95%

Protection level:

IP65

Mechanical size:

210x145x91 mm

Weight:

3.8 kg

Vibration:

5g 10/500Hz 3 axis

Working temperature range:

-30/+40°C

Storage temperature range:

-40/+50°C

Maximum case temperature:

100°C

Regulation compliance:

EN1175 for safety

EN12895 for for Electromagnetic comp ability

UL Recognized Component; meets UL583
dielectric test 

PRELIMINARY VERSION

28

Summary of Contents for AC-M1

Page 1: ...AC M1 AC M1 PRELIMINARY VERSION...

Page 2: ...ium Baseplate 12 3 3 3 Clearances 12 13 3 4 List of complete pin out 14 3 4 1 AC M1 pin out for PUMP application 14 3 4 2 AC M1 pin out for DRIVE application 17 3 4 3 Connector Parts 19 3 5 Typical co...

Page 3: ...aintenance 49 8 1 Spare part list 49 9 Appendix A General technical overview of SME technology 50 9 1 History of AC induction motors and AC controllers 50 9 2 Technical advantages of AC induction moto...

Page 4: ...is version replaces all previous existing versions of the manual if any 1 3 About warning caution and information notices Special attention must be paid to the information presented in Warning Caution...

Page 5: ...n 40 36071 Arzignano VI ITALY Tel 39 0444 470511 Fax 39 0444 451803 Email info grupposme com Asia Region For any information on commercial and technical issues please contact either your dealer or SME...

Page 6: ...power applications AC M1 Controller can be easily connected to other peripherals to perform a complex network in which all nodes can communicate with the others via CAN bus When used in pump configura...

Page 7: ...s 24 36 48 72 80 Maximum Current measured in a two minute time interval 24V version 350 450 600 Arms 36 48V version 375 500 Arms 80V version 350 450 Arms Working temperature range 30 C 40 C Maximum he...

Page 8: ...Model Name AC Inverter Max Arms 2 Max Power 2 AC M1 36 48V 375A 375 Arms 20 8 kVA AC M1 36 48V 500A 500 Arms 27 5 kVA Model Chart for 72 80V version Model Name AC Inverter Max Arms 2 Max Power 2 AC M...

Page 9: ...Figure 1 AC M1 All the dimensions are in millimetres PRELIMINARY VERSION 9...

Page 10: ...ield Description Type Code It is the code that SME assigns to the specific family of products Product Code It is the code that SME assigns to the specific customer Rating Data It can contain the indic...

Page 11: ...protection rating However the location should be carefully chosen to keep the controller clean and dry If a clean dry mounting location cannot be found a cover should be used to shield the controller...

Page 12: ...eat sink temperature in the safe operating zone We recommend ambient temperature air to be directed over the heat sink fins to maintain heat sink temperature below 85 C Either an axial blower or two s...

Page 13: ...Figure 2 Planarity specifications for the AC M1with aluminium baseplate PRELIMINARY VERSION 13...

Page 14: ...eserve 5 digital input 4mA pull up VL 1V VH 3 5V Reserve 6 TILT digital input 4mA pull up VL 1V VH 3 5V Tilt request 7 SIDE SHIFT digital input 4mA pull up VL 1V VH 3 5V Side shift request 8 BUZZER ou...

Page 15: ...2 connector pin out for AC M1 PUMP application Pin Name I O Specification Function 1 5E auxiliary supply 5V 5 200mAmax 5V supply 2 digital input 20mA pull up VL 1V VH 3 5V Reserve 3 digital input 20mA...

Page 16: ...pull up VL 1V VH 3 5V Aux1 request 15 AUX2 digital input 4mA pull up VL 1V VH 3 5V Aux2 request 16 digital input 4mA pull up VL 1V VH 3 5V Reserve 17 LIMITATION 1 digital input 4mA pull up VL 1V VH 3...

Page 17: ...ll up VL 1V VH 3 5V Throttle start selection 6 digital input 4mA pull up VL 1V VH 3 5V Reserve 7 digital input 4mA pull up VL 1V VH 3 5V Reserve 8 BUZZER output Low side 0 5A Buzzer command 9 COMMON P...

Page 18: ...tion 1 5E auxiliary supply 5V 5 200mAmax 5V supply 2 digital input 20mA pull up VL 1V VH 3 5V Reserve 3 digital input 20mA pull up VL 1V VH 3 5V Reserve 4 ENC B1 digital input 20mA pull up VL 1V VH 3...

Page 19: ...gital input pull down max input 24V 4mA VL 1V VH 3 5V Reserve 18 digital input 4mA pull up VL 1V VH 3 5V Reserve 19 PEDAL BRAKE SENSOR analogue input 0 12V pull down Brake pressure sensor 20 STEERING...

Page 20: ...Pump motor application in a twin drive system Figure 4 shows a typical connection diagram showing AC M1 control powering an A C pump motor in a twin drive motors system 3 5 3 Screw torque for the pow...

Page 21: ...Figure 3 General electrical vehicle PRELIMINARY VERSION 21...

Page 22: ...Figure 4 Connection scheme of AC M1 controlling a pump motor in a twin drive system PRELIMINARY VERSION 22...

Page 23: ...nology for more details AC M1 control board provides both a 5V power supply pin K2 1 and a 12V power supply pin K1 21 Both these power supplies are referenced to a dedicated ground terminal pin K2 9 T...

Page 24: ...alogue and digital signals see page 33 It is an optional device that has to be connected to AC M1 board via LIN interface Moreover COMPACT display allows operator to calibrate customizable system para...

Page 25: ...s ensured that the controller is set up to be compatible with his application Do not drive the vehicle until initial set up has been completed For more information about programmable parameters and ca...

Page 26: ...ion level IP65 Mechanical size 210x145x91 mm Weight 3 8 kg Vibration 5g 10 500Hz 3 axis Working temperature range 30 40 C Storage temperature range 40 50 C Maximum case temperature 100 C Regulation co...

Page 27: ...91 mm Weight 3 8 kg Vibration 5g 10 500Hz 3 axis Working temperature range 30 40 C Storage temperature range 40 50 C Maximum case temperature 100 C Regulation compliance EN1175 for safety EN12895 for...

Page 28: ...level IP65 Mechanical size 210x145x91 mm Weight 3 8 kg Vibration 5g 10 500Hz 3 axis Working temperature range 30 40 C Storage temperature range 40 50 C Maximum case temperature 100 C Regulation compli...

Page 29: ...device on you find wrong start conditions accelerator pedal pressed or directional forward or reverse switch inserted 4 3 BDI measure management To measure correctly the battery voltage the following...

Page 30: ...ronment designed to communicate with the forklift truck It can be run from a PC with serial or USB 1 x or 2 x port using an interconnection cable SME Code IV049A see fig 5 The connection between PC an...

Page 31: ...etween P C and control board when you use EyePlus utility Refer to specific AC M1 pin out to wire properly your board Rx Tx and ground terminals cons prog terminal is optional We recommend you to use...

Page 32: ...Figure 5 Interconnection cable PRELIMINARY VERSION 32...

Page 33: ...cal and digital signals managed by your system Moreover if an alarm condition occurs SME COMPACT display can show the alarm code and help understand the cause of the fault Parameter Calibration This p...

Page 34: ...L UP 3 INPUT 3 DIGITAL INPUT with PULL UP 4 INPUT 4 DIGITAL INPUT with PULL UP 5 LIN BUS 19 2 kBit s I O DIGITAL 6 NOT USED NOT USED 7 GND POWER IN 8 12 V POWER IN In a standard display software INPUT...

Page 35: ...Figure 7 COMPACT display seen from front view Figure 8 Drawing of COMPACT display connector PRELIMINARY VERSION 35...

Page 36: ...Figure 9 Drawing of COMPACT display slot PRELIMINARY VERSION 36...

Page 37: ...rive motor speed is limited to 2000 rpm Moreover in presence of such alarm the first command given to the pump motor is inhibited 3 seconds after its activation together with all the pump motor functi...

Page 38: ...el overcurrent alarm 40 12 Low battery alarm 41 15 36 Motor current sensor alarm 41 17 Main breaker fault 41 20 Panel overtemperature 42 13 Drive motor overtemperature 42 37 Alarm on 5V voltage 42 38...

Page 39: ...ual 2 Verify if the battery is still in good conditions 3 Check if the wiring to the battery positive or negative terminals and the coil connections are correct 4 If this alarm is present when the bat...

Page 40: ...good replace the AC M1 the diagnosis shows that the command is present but no voltage is present on the coil terminals or no voltage appears on inverter DC bus Capacitors too charged at start Alarm co...

Page 41: ...lue is below the Battery Reset Value recharge the battery and check it 2 If the battery is recharged and its voltage is correct but the display shows a discharge value check with the tester the batter...

Page 42: ...e is slightly different from the effective panel temperature replace the AC M1 Drive motor overtemperature Alarm code 13 Alarm level 5 Alarm cause The motor temperature exceeds 155 C In case of such a...

Page 43: ...incorrect encoder wiring If so correct the wiring 2 Verify whether the 12V output is in short circuit because the combined current of the devices applied to 12V exceeds 300mA In that case find and rep...

Page 44: ...Alarm code 63 Alarm level this is a reversible warning while the error condition is active all the pump motor functions are inhibited Alarm cause when the system is started the seat switch is found o...

Page 45: ...plied but the channels don t commutate from 0 to 5V replace the encoder 2 If the wirings and signal are correct but diagnosis is not replace the AC M1 Watchdog timer alarm Alarm code 18 Alarm level 1...

Page 46: ...e release In case of such alarm follow this procedure 1 Restore EEPROM with EyePlus application software using the RESTORE item present in the EyePlus main page 2 If the alarm is still present replace...

Page 47: ...e required on these unshielded wires in some applications It is best to keep the noisy signals as far as possible from sensitive wires 7 3 Immunity to EM disturbances Immunity is generally achieved by...

Page 48: ...e from an external field is radiated into the interior of the enclosure A known countermeasure to this is to connect a series inductor or ferrite bead If a capacitor between the shield and the cable i...

Page 49: ...8 Maintenance 8 1 Spare part list The following items can be bought separately Spare part list Part SME internal code to be determined ask to our commercial department PRELIMINARY VERSION 49...

Page 50: ...C technology include lower costs higher operating reliability and longer lifetime With no brushes or commutator AC induction motors are practically maintenance free and are easily sealed for superior...

Page 51: ...ndings is placed in the slots of the iron core The rotor is the moving part in the motor The rotor core is made of a stack of sheet steel laminations Aluminum copper or bronze conductors are placed in...

Page 52: ...e The net consequence on the conductor is a force directed towards left Similar effects happen in the other rotor windings and this causes an electromagnetic torque on the rotor which starts to rotate...

Page 53: ...d by the rotor is mostly active power IF and ITQ can both be set by controlling the frequency and the magnitude of VAC the voltage applied to the motor s stator winding It is desirable to maintain IF...

Page 54: ...e reference speed is set by pedal accelerator which is limited and interlocked with other various signals such as Seat Hand brake Pedal brake Start Forward Reverse Steering position The resulting spee...

Page 55: ...PRELIMINARY VERSION 55 Figure 13...

Page 56: ...iagnostic and calibration functions engineered by SME In both cases you can obtain an exhaustive on line diagnostic of all the lift truck functional parameters and adjust them too The control board ca...

Page 57: ...face for the motor Motor torque control by speed and current loop Controlled acceleration and deceleration ramps of the motor in order to avoid uncontrolled jolts of the load due to oversights of the...

Page 58: ...imitation turtle active Forward maximum speed Maximum forward lift truck speed with no speed limitation no alarms present and turtle not active Reverse maximum speed Maximum reverse lift truck speed w...

Page 59: ...s parameter gives drive tyres diameter measure expressed in mm Limitation temperature If a motor temperature is above this value acceleration inversion release ramps and max torque are reduced in func...

Page 60: ...lue Lift sensor voltage with lift lever released Lift sensor middle value Lift lever potentiometer voltage to which the lifting becomes proportional to the shift of the lever Lift sensor maximum value...

Page 61: ...e speed Pump motor speed with direction command lever not in neutral accelerator pressed and no pump command active Lift maximum current Pump motor maximum current with lift function active Auxiliary...

Page 62: ...he forks are above the 2nd critical height High lift sw 1 AUX3 function max speed AUX3 function speed when the forks are above the 1st critical height High lift sw 2 AUX3 function max speed AUX3 funct...

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