3 – Pvd3675_Gb_Ey_Septembre_2017
Table of Content
1. INTRODUCTION ............................................................................................................................... 5
1.1. Purpose and intended audience ................................................................................................. 5
1.2. Safety .......................................................................................................................................... 6
1.2.1. Principle ............................................................................................................................... 6
1.2.2. General Safety Rules .......................................................................................................... 6
1.2.3. Operating category and marking of EY servomotors .......................................................... 8
1.2.4. Special conditions for the ATEX/IECEx servomotors .......................................................... 9
2. PRODUCT DESCRIPTION ............................................................................................................. 10
2.1. Quick URL ................................................................................................................................. 10
2.2. Overview ................................................................................................................................... 10
2.3. Applications ............................................................................................................................... 10
2.4. General Technical Data for ATEX motors ................................................................................. 11
2.5. Product Code ............................................................................................................................ 12
3. TECHNICAL DATA ......................................................................................................................... 13
3.1. Motor selection .......................................................................................................................... 13
3.1.1. ATEX standard atmospheric conditions ............................................................................ 13
3.1.2. Altitude derating ................................................................................................................. 13
3.1.3. Temperature derating ........................................................................................................ 13
3.1.4. Thermal equivalent torque (rms torque) ............................................................................ 13
3.1.5. Servo drive selection : ....................................................................................................... 15
3.1.6. Current limitation at stall conditions (i.e. speed < 3 rpm) .................................................. 18
3.1.7. Peak current limitation ....................................................................................................... 18
3.2. EY Characteristics: Torque, speed, current, power… .............................................................. 19
3.2.1. ATEX/IECEx 230V............................................................................................................. 20
3.2.2. ATEX/IECEx 400V............................................................................................................. 21
3.2.3. Further Data ...................................................................................................................... 22
3.2.4. Efficiency curves ................................................................................................................ 23
3.2.5. Electromagnetic losses ..................................................................................................... 29
3.2.6. Time constants of the motor .............................................................................................. 30
3.2.7. 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. EY310E ............................................................................................................................. 37
3.3.2. EY420E EY430E ............................................................................................................... 38
3.3.3. EY620E EY630E ............................................................................................................... 39
3.3.4. EY820E EY840E EY860E ................................................................................................. 40
3.4. Motor mounting ......................................................................................................................... 41
3.4.1. Motor mounting .................................................................................................................. 41
3.4.2. Installation of ATEX machines .......................................................................................... 41
3.4.3. Frame recommendation .................................................................................................... 42
3.5. Shaft Loads ............................................................................................................................... 43
3.5.1. Vibration resistance toshaft end ........................................................................................ 43
3.5.2. Maximum load acceptable on the shaft ............................................................................. 43
3.6. Cooling ...................................................................................................................................... 48
3.7. Thermal Protection .................................................................................................................... 49
3.7.1. Alarm tripping with PTC thermistors .................................................................................. 49
3.7.2. Temperature measurement with KTY sensors: ................................................................. 50
3.8. Power Electrical Connections ................................................................................................... 51
3.8.1. Wires sizes ........................................................................................................................ 51
3.8.2. Conversion Awg/kcmil/mm²: .............................................................................................. 52
3.8.3. Motor cable length ............................................................................................................. 52
3.9. Feeback system ........................................................................................................................ 53
3.9.1. Direction of shaft rotation regarding electrical connections............................................... 53
3.9.2. Sensorless connection ...................................................................................................... 53
3.9.3. Resolveur 2 poles transformation ratio = 0.5 – code A ..................................................... 53