Parker EY Series Technical Manual
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Parker EY Series Technical Manual

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Servomotors
EY Series
Technical Manual
PVD 3675 – EY Series
1 – Pvd3675_Gb_Ey_Septembre_2017

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  • Page 1 Servomotors EY Series Technical Manual PVD 3675 – EY Series 1 – Pvd3675_Gb_Ey_Septembre_2017...
  • Page 2 Etablissement de Longvic 4 Boulevard Eiffel - CS40090 21604 LONGVIC Cedex - France manufacturer, with brand name Parker, declare under our sole responsibility that the products, SERVOMOTORS TYPE EY3 - EY4 - EY6 - EY8 with the following marking : II 3 GD Ex nA IIC T3 Gc IP65 / Ex tc IIIC T200°C Dc IP65...

  • Page 3: Table Of Contents

    Speed ripple ........................32 3.2.8. Cogging torque ........................32 3.2.9. Rated data according to rated voltage variation ..............33 3.2.10. Voltage withstand characteristics of EY series ..............35 3.2.11. Voltage and current during operating ................36 3.3. Outline drawings ........................37 3.3.1.
  • Page 4 3.10. Cables ............................54 3.10.1. Resolver signal cable ......................54 3.10.2. Power cable with or without brake and thermal sensor ............. 55 3.11. Brake option ..........................56 COMMISSIONING, USE AND MAINTENANCE ................57 4.1. Instructions for commissioning, use and maintenance ............. 57 4.1.1.

  • Page 5: Introduction

    If any malfunction or technical problem occurs, that has not been dealt with in this manual, please contact PARKER for technical assistance. In case of missing information or doubts regarding the installation procedures, safety instructions or any other issue tackled in this manual, please contact PARKER as well.

  • Page 6: Safety

    1.2. Safety 1.2.1. Principle To operate safely, this equipment must be transported, stored, handled, installed and serviced correctly. Following the safety instructions described in each section of this document is mandatory. Servomotors usage must also comply with all applicable standards, national directives and factory instructions in force. DANGER: Non-compliance with safety instructions, legal and technical regulations in force may lead to physical injuries or death, as well as damages to the property and the environment.
  • Page 7 Mechanical hazard Servomotors can accelerate in milliseconds. Running the motor can lead to other sections of the machine moving dangerously. Moving parts must be screened off to prevent operators coming into contact with them. The working procedure must allow the operator to keep well clear of the danger area.

  • Page 8: Operating Category And Marking Of Ey Servomotors

    1.2.3. Operating category and marking of EY servomotors 1.2.3.1. ATEX/IECEx gazeous atmospheres II 3 G Ex nA IIC T3 Gc IP65 IP65 Very high Equipment Very high T1 450 °C level of with protection level of protection against sparks protection Methane Equipment High level of...

  • Page 9: Special Conditions For The Atex/Iecex Servomotors

    1.2.3.2. ATEX/IECEx dusty atmospheres II 3 GD Ex nA IIC T3 Gc IP65 / Ex tc IIIC T200°C Dc IP65 T200 °C IP65 Very high Very high Protection by T1 450 °C level of level of enclosure protection protection Combustible flying tb / tc High level of...

  • Page 10: Product Description

    All informations and datas are avaible on : http://www.parker.com/eme/ey 2.2. Overview The EY servomotors from Parker are specifically designed to operate in explosive atmospheres for industrial applications. The EY motors are brushless synchronous servomotors, with permanent magnets, based on NX active parts.

  • Page 11: General Technical Data For Atex Motors

    2.4. General Technical Data for ATEX motors EY3, EY4, EY6 Motor type Permanent-magnet synchronous motor Magnets material Neodymium Iron Boron (Nd-Fe-B) Number of poles Type of IMB5 – IMV1 – IMV3 (CEI 60034-7) construction Degree of IP65 protection Cooling Natural cooling 230 VAC, 400 VAC Rated voltage Class F according to...

  • Page 12: Product Code

    60 depending on size Motor version E: ATEX/IECEx motor Feedback Sensor A: Resolver 2 poles, transformation ratio = 0.5 K: without sensor Y: Sensorless series with Parker AC servodrive Torque / Speed Characteristics See motor datasheet Painting B: Black RAL9005 Electric connection...

  • Page 13: Technical Data

    EY servomotors are designed to operate with a maximum ambient temperature of 40°C. In case of using with an ambient temperature above 40°C and less or equal than 60°C, a derating of performances is applied according to data recommended by Parker. 3.1.4. Thermal equivalent torque (rms torque) The selection of the right motor can be made through the calculation of the rms torque (i.e.
  • Page 14 Illustration : Acceleration-deceleration torque: 10 Nm for 0,1 s. Resistant torque: 1 Nm during all the movement. ± 2800 rpm during 0,2 s. Max-min speed: Max torque provided by the motor: 11 Nm. rms torque: 6 Nm. 4000 3000 2000 1000 Time [s] -1000...

  • Page 15: Servo Drive Selection

    Furthermore, each Mi and speed associated Ωi of the duty cycle has to be located in the operational area of the torque vs speed curve. Torque rms. Ωi Ωk Ω Ωn Speed 3.1.5. Servo drive selection : Selection of drive depends on its rated power, rated current and its mode selection which leads to the maximal current duration.
  • Page 16 AC30 PARKER drive example: With EY servomotors, the power is usually < 37 kW, the rated current corresponds to 100 %. Power of servo drive AC30 < 37 kW Mode Servo Overload capability [%] 200 % during 4 s Illustration:...
  • Page 17 Example : The application needs: - a rms torque of 6 Nm at the rms speed of 4000 rpm, - an acceleration torque of 25 Nm, - a maximal speed of 4500 rpm. Selection of motor: The selected motor is the type EY630EAK. The nominal speed is equals to 4800 rpm.

  • Page 18: Current Limitation At Stall Conditions (I.e. Speed < 3 Rpm)

    3.1.6. Current limitation at stall conditions (i.e. speed < 3 rpm) Recommended reduced current at speed < 3 rpm: ≅ reduced Warning: The current must be limited to the prescribed values. If the nominal torque has to be maintained at stop or low speed (< 3 rpm), imperatively limit the current to 70% of I (permanent current at low speed), in order to avoid an excessive overheating of the motor.

  • Page 19: Ey Characteristics: Torque, Speed, Current, Power

    3.2. EY Characteristics: Torque, speed, current, power… The torque vs speed graph below explains different intrinsic values given in next tables. Torque Peak Torque Permanent Rated Low Speed Power Torque Rated torque Stall torque 3 rpm Rated Speed speed speed 19 –...

  • Page 20: Atex/Iecex 230V

    3.2.1. ATEX/IECEx 230V Rated Rated Rated Rated Peak Peak Max. Speed speed Power Torque Speed Current Torque Current Speed Torque Current Motor Mpeak I peak Nmax (kW) (Nm) [rpm] [Arms] [Nm] [Arms] [Nm] [Arms] [rpm] With 40°C ambiant temperature EY310EAP 0,46 2300 2300...

  • Page 21: Atex/Iecex 400V

    3.2.2. ATEX/IECEx 400V Rated Rated Rated Rated Peak Peak Max. Speed speed Power Torque Speed Current Torque Current Speed Torque Current Motor Mpeak I peak Nmax (kW) (Nm) [rpm] [Arms] [Nm] [Arms] [Nm] [Arms] [rpm] With 40°C ambiant temperature EY310EAP 0,72 4000 4000...

  • Page 22: Further Data

    3.2.3. Further Data Motor Moment of Winding Polarity Thermal Inductance Inertia Motor Resistance Time [Nm/Arms] [Vrms/krpm] [mH] [ohms] Constant tth [kgmm²] EY310EAP 88,4 58,6 20,7 55,9 EY310EAK 50,6 19,2 6,58 57,7 EY420EAP 1.42 89.5 EY420EAJ 0,821 51,7 11,0 2,31 73,7 EY430EAL 1,46 91,8...

  • Page 23: Efficiency Curves

    3.2.4. Efficiency curves Caution: The efficiency curves are typical values. They may vary from one motor to another. Caution: The efficiency curves are given for an optimal motor control (no voltage saturation and optimal phase between current and EMF) Caution: The efficiency curves do not include the losses due to the switching frequency.
  • Page 24 3.2.4.1. Series EY310E Constant efficiency curves of the motor NX310E EY310E Efficiency [%] 72 74 1000 2000 3000 4000 5000 6000 Speed [rpm] 24 – Pvd3675_Gb_Ey_Septembre_2017...
  • Page 25 3.2.4.2. Series EY420E Constant efficiency curves of the motor NX420E EY420E Efficiency [%] 1000 2000 3000 4000 5000 6000 7000 Speed [rpm] 3.2.4.3. Series EY430E Constant efficiency curves of the motor NX430E EY430E Efficiency [%] 64 66 1000 2000 3000 4000 5000 6000...
  • Page 26 3.2.4.4. Series EY620E Constant efficiency curves of the motor NX620E EY620E Efficiency [%] 1000 2000 3000 4000 5000 6000 Speed [rpm] 3.2.4.5. Series EY630E Constant efficiency curves of the motor NX630E EY630E Efficiency [%] 1000 2000 3000 4000 5000 6000 Speed [rpm] 26 –...
  • Page 27 3.2.4.6. Series EY820E Constant efficiency curves of the motor NX820E EY820E Efficiency [%] 76 78 1000 2000 3000 4000 5000 6000 Speed [rpm] 3.2.4.7. Series EY840E Constant efficiency curves of the motor NX840E EY840E Efficiency [%] 1000 1500 2000 2500 3000 3500 4000...
  • Page 28 3.2.4.8. Series EY860E Constant efficiency curves of the motor NX860E EY860E Efficiency [%] 1000 1500 2000 2500 3000 Speed [rpm] 28 – Pvd3675_Gb_Ey_Septembre_2017...

  • Page 29: Electromagnetic Losses

    3.2.5. Electromagnetic losses Caution: Following data result from our best estimations but are indicative. They can vary from one motor to another and with temperature. No responsibility will be accepted for direct or indirect losses or damages due to the use of these data. Following data are indicative, without any friction coming from lip seals.

  • Page 30: Time Constants Of The Motor

    3.2.6. Time constants of the motor 3.2.6.1. Electric time constant : τ elec With following values given in the motor data sheet inductance of the motor phase to phase [H], ph_ph resistance of the motor phase to phase at 25°C [Ohm]. ph_ph Example: Motor series EY630EAK...
  • Page 31 Remarks : σ For a DC motor, the mechanical time constant represents the duration needed to mech reach 63% of the final speed when applying a voltage step without any resistant torque. σ However this value makes sense only if the electric time constant is much smaller elec σ...

  • Page 32: Speed Ripple

    (neither external inertia nor resistant torque) 3.2.8. Cogging torque The typical cogging for a EY series below is the maximum value peak to peak in N.cm: Cogging Maxi Motor [N.cm]...

  • Page 33: Rated Data According To Rated Voltage Variation

    3.2.9. Rated data according to rated voltage variation The nominal characteristics and especially the rated speed, maximal speed, rated power, rated torque, depend on the nominal voltage supplying the motor considered as the rated voltage. The rated data mentioned in the data sheet are given for each association of motor and drive.
  • Page 34 Maximum speed: The former maximum speed N = 4800 rpm obtained with U =400 V and a speed =4800 rpm leads to the new maximum speed N given as follows: max2 4278 4800 4278 4800 N.B. If the rated voltage increases (U >...

  • Page 35: Voltage Withstand Characteristics Of Ey Series

    3.2.10. Voltage withstand characteristics of EY series The motors fed by converters are subject to higher stresses than in case of sinusoidal power supply. The combination of fast switching inverters with cables will cause overvoltage due to the transmission line effects. The peak voltage is determined by the voltage supply, the length of the cables and the voltage rise time.

  • Page 36: Voltage And Current During Operating

    3.2.11. Voltage and current during operating EY motors present an ATEX/IECEx certification and due to this certificate are subjected to strict rules regarding their use. One of such rules is the use of a servoamplifier that meets specific characteristics.These characteristics are valid for an ambient temperature comprised between -20°C and 40°C.

  • Page 37: Outline Drawings

    3.3. Outline drawings 3.3.1. EY310E 37 – Pvd3675_Gb_Ey_Septembre_2017...

  • Page 38: Ey420E Ey430E

    3.3.2. EY420E EY430E 38 – Pvd3675_Gb_Ey_Septembre_2017...

  • Page 39: Ey620E Ey630E

    3.3.3. EY620E EY630E 39 – Pvd3675_Gb_Ey_Septembre_2017...

  • Page 40: Ey820E Ey840E Ey860E

    3.3.4. EY820E EY840E EY860E 40 – Pvd3675_Gb_Ey_Septembre_2017...

  • Page 41: Motor Mounting

    3.4. Motor mounting 3.4.1. Motor mounting By flange in any direction. 3.4.2. Installation of ATEX machines Keep in mind that EY motors are equipments with protect mode "nA" non sparking for hazardous area of gas and with protection by enclosure "tc" for hazardous area of dust ignition.

  • Page 42: Frame Recommendation

    3.4.3. Frame recommendation Warning : The user has the entire responsibility to design and prepare the support, the coupling device, shaft line alignment, and shaft line balancing. Foundation must be even, sufficiently rigid and shall be dimensioned in order to avoid vibrations due to resonances.

  • Page 43: Shaft Loads

    3.5. Shaft Loads 3.5.1. Vibration resistance toshaft end Frequency domain :10 to 55 Hz according to EN 60068 -2-6 Vibration resistance to the shaft end : - radial 3 g - axial 1 g 3.5.2. Maximum load acceptable on the shaft Notice: Curves below are valid only for horizontal mounting and a life time L10 of 20 000h at constant speed in accordance with ISO281.
  • Page 44 3.5.2.2. EY420 3.5.2.3. EY430 44 – Pvd3675_Gb_Ey_Septembre_2017...
  • Page 45 3.5.2.4. EY620 3.5.2.5. EY630 45 – Pvd3675_Gb_Ey_Septembre_2017...
  • Page 46 3.5.2.6. EY820 3.5.2.7. EY840 46 – Pvd3675_Gb_Ey_Septembre_2017...
  • Page 47 3.5.2.8. EY860 47 – Pvd3675_Gb_Ey_Septembre_2017...

  • Page 48: Cooling

    3.6. Cooling In compliance with the IEC 60034-1 standards: The ambient air temperature shall not be less than -20°C and more than 40°C. It is possible to use the motors in an higher ambient temperature between 40°C to 60°C but with an associated derating to the motor performances (see motor characteristics §3.2) Warning: To reach the motor performances calculated, the motor must be thermally well connected to a aluminium flange with a...

  • Page 49: Thermal Protection

    3.7. Thermal Protection Different protections against thermal overloading of the motor are proposed: Thermoswitches (as an option), PTC thermistors (as standard) or KTY temperature (as an option) built into the stator winding. The thermal sensors, due to their thermal inertia, are unable to follow very fast winding temperature variations.

  • Page 50: Temperature Measurement With Kty Sensors

    3.7.2. Temperature measurement with KTY sensors: Motor temperature can also be continuously monitored by the drive using a KTY 84- 130 thermal sensor built in to the stator winding. KTY sensors are semiconductor sensors that change their resistance according to an approximately linear characteristic.

  • Page 51: Power Electrical Connections

    3.8. Power Electrical Connections 3.8.1. Wires sizes In every country, you must respect all the local electrical installation regulations and standards. Not limiting example in France: NFC 15-100 or IEC 60364 as well in Europe. Cable selection depends on the cable construction, so refer to the cable technical documentation to choose wire sizes.

  • Page 52: Conversion Awg/Kcmil/Mm²

    For motors windings which present low inductance values or low resistance values, the own cable inductance, respectively own resistance, in case of large cable length can greatly reduce the maximum speed of the motor. Please contact PARKER for further information.

  • Page 53: Feeback System

    3.9.3. Resolveur 2 poles transformation ratio = 0.5 – code A EY4, EY6 et EY8 Parker part number 220005P1001 220005P1002 Electrical specification Values @ 8 kHz...

  • Page 54: Cables

    3.10. Cables You can connect EY motors to PARKER servo drives : AC30, AC890, COMPAX3, PSD or SLVD. You can use complete cables with part numbers given as follows. The "xxx" in the part number must be replaced by the length in meter.

  • Page 55: Power Cable With Or Without Brake And Thermal Sensor

    3.10.2. Power cable with or without brake and thermal sensor Cable reference Cable reference Cable reference Motor size for PSD for COMPAX3 for SLVD Current ≤ 12Amps @40°C CP1UQ1F1R0xxx CC3UQ1F1R0xxx CS5UQ1F1R0xxx Current ≤ 9Amps @60°C Current ≤ 24Amps @40°C CP1UQ2F1R0xxx CC3UQ2F1R0xxx CS5UQ2F1R0xxx Current ≤...

  • Page 56: Brake Option

    3.11. Brake option Caution: The holding brake is used to completely immobilize the servomotor under load. It is not designed to be used for repeated dynamic braking ; dynamic braking must only be used in the case of an emergency stop and with a limited occurance depending on the load inertia and speed.

  • Page 57: Commissioning, Use And Maintenance

    4. COMMISSIONING, USE AND MAINTENANCE 4.1. Instructions for commissioning, use and maintenance 4.1.1. Equipment delivery All servomotors are strictly controlled during manufacturing, before shipping. While receiving it, it is necessary to verify motor condition and if it has not been damaged in transit.

  • Page 58: Storage

    4.1.3. Storage Before being mounted, the motor has to be stored in a dry place, without rapid or important temperature variations in order to avoid condensation. During storage, the ambient temperature must be kept between -20 and +60°C. If the torque motor has to be stored for a long time, verify that the shaft end, feet and the flange are coated with corrosion proof product.

  • Page 59: Preparation

    4.2.3. Preparation Once the motor is installed, it must be possible to access the wiring, and read the manufacturer’s plate. Air must be able to circulate around the motor for cooling purposes. Clean the shaft using a cloth soaked in white spirit or alcohol. Pay attention that the cleaning solution does not get on to the bearings.

  • Page 60: Electrical Connections

    Warning : a misalignment of the coupling device makes stress and load on the motor shaft depending the rigidity of the installation. The variations of the temperature makes stress and load due to the dilatation. These loads (axials and radiale) do not exceed the load written (§...

  • Page 61: Cable Connection

    4.3.1. Cable connection Please read §3.8 "Electrical connection" and §3.3 “outline drawings” to get information about cables connection. Many useful informations are already available in the drive documentations. 4.3.2. Cable handling Danger: before any intervention the drive must be stopped in accordance with the procedure.

  • Page 62: Protection Of Connectors - Mounting Recommendations

    Caution : The connector protector is a single-use. In case of shock on the latter, be sure to replace it with a new connector protector. Parker part number: 345352P0001 Caution : The connector protector is a Mandatory for ATEX compliance...
  • Page 63 Instructions for mounting protectors on their connector basis Setting up of hardware after motor receipt Unscrew the 3 screws of protector mounted on the command connector basis Situation obtained after protector removing Screw the control plug on its connector Screw the 3 screws again to fix the protector on the command connector basis 63 –...
  • Page 64 Previous operations 2, 3, 4, 5 are to be carried out with the power connector ; then unscrew slightly the 4 grub-screws freeing the basis in rotation. Rotate the power connector basis until reaching the needed orientation Screw the power plug on its connector and immobilize the basis screwing the 4 grub-screws again Screw the 3 screws again to fix the protector on the power connector basis Final checking 64 –...

  • Page 65: Connection Diagrams

    4.3.5. Connection diagrams Caution: The wiring must comply with the drive commissioning manual and with recommended cables. Warning : A bad setting of the electronic control of the close loop (gain too high, incorrect filtring …) can occur an instability of the shaft line, vibration, overheating or/and breakdown - .

  • Page 66: Maintenance Operations

    VDE 0105 or IEC 0364) and local regulations. They must be authorized to install, commission and operate in accordance with established practices and standards. Please contact PARKER for technical assistance. Danger: Before any intervention, the motor must be disconnected from the power supply.

  • Page 67: Troubleshooting

    Whenever an operating incident occurs, consult the relevant servo drive installation instructions (the troubleshooting display indications will help you in your investigation) or contact us at: http://www.parker.com/eme/repairservice. • Check there is no mechanical blockage or if the motor You note that the motor does not turn by hand terminals are not short-circuited.
  • Page 68 • It may be overloaded or the rotation speed is too low : You think the motor is becoming unusually hot check the current and the operating cycle of the motor. • Check if the mounting surface is enough or if this surface is not a heat source –...

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