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Selection criteria 5. SELECTING CRITERIA Selection of the synchronous motor and its associated drive 232 DDS HARDWARE Ref.1307 210 Summary of the three pre-selections • Maximum speed equal to or greater than calculated value in RPM motor • Stall torque equal to or greater than calculate continuous value Mcontin uous • Motor inertia equal to or greater than inertia J LOAD / k • Peak torque equal to or greater than calculated value Mmax • Rated torque equal to or greater than calculated RMS value Mrms Drive selection Once the motor has been selected, check the electrical characteristics table in the FXM/FKM AC servomotors manual. There are several drives available for each motor and the peak torque obtained with each one of them will be different. A drive has to be chosen whose peak current is greater than the one calculated for the application.
5.2 Asynchronous spindle motor and servo drive selection On the spindles of machine tools, it is important to maintain a constant turning speed of the spindle. To control this speed, the drive applies torque to the load according to the characteristics of this load as well as to the adjusted accelerations and decelerations. Procedure to calculated the needed motor power: 1. Depending on the characteristics of the load, determine the rated values of the needed power (in continuous cycle, instantly and periodically). 2. Increase the value of that needed power, considering the efficiency of the power transmission and load dispersion. 3. Select the drive that offers the current needed to govern the motor in all duty cycles for that machine. Power demanded from a motor for a particular load To determine the needed motor power, use the following formula: The power of the motor must be greater than the sum of the power required by the load and the power required by the machine's accelerations and decelerations. 0 0 nbase F. H5/2 Constant power required from the motor for a load regardless of the load. T. H5/1 Constant motor power demanded by a load. Constant motor power Load type Constant power, regardless of speed Examples Winding machines at constant tenstion Milling spindle Lathe spindle Torque/speed The torque decreases from base speed on characteristics The rated power of the drive will be the one Motor Power demanded by the load. Power required by the load P MOTOR > P LOAD + P ACCEL/DECEL power torque speed The power demanded from an asynchronous spindle motor in a turning or machining center is determined by the cutting power. A good cutting process required the asynchronous spindle motor to be working at constant power and with a power range between 1:3 and 1:5. The power values used for a cutting operation on a lathe, mill or machining center with a drill are calculated using the following formulas. For a more accurate calculation of the power required, one must bear in mind different factors such as cutting oil, material, shape of the tools, hardness of the material machined, etc. Selection criteria SELECTING CRITERIA Asynchronous spindle motor and servo drive selection 5. DDS HARDWARE Ref.1307 211
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DRIVE DDS Hardware manual Ref.1307
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GENERAL INDEX 1 DESCRIPTION .......
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Order example .....................
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DECLARATION OF CONFORMITY Manufactu
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Title DRIVE DDS. Hardware manual. T
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- SHIPPING CONDITIONS, STORAGE AND
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- VERSION HISTORY - The history of
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- SAFETY CONDITIONS - Read the foll
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Precautions during repairs Do not
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- ADDITIONAL NOTES - Install the DD
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DESCRIPTION 1 The DDS servo drive s
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1.2 General diagram See the schemat
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1.4 Environmental and operating con
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POWER SUPPLIES 2 The FAGOR power su
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PS-65A module Technical data T. H2/
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PS-65A. Connector description The n
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PS-25B4 module Technical data T. H2
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PS-25B4. Connector description The
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PS-25B4 Model currently in the cata
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Terminal strip to connect the Balla
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i WARNING. Before handling these le
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The internal circuits of the non-re
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Module power-up 1. For PS-65A power
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XPS modules Technical data T. H2/14
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Block diagram X1 ( RIBON CABLE ) X2
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i Lights indicating the status of t
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i Lights indicating the status of t
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Terminal strip to connect the Balla
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i F. H2/22 Version label of the APS
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The next table shows the signals an
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Module power-up 1. For the XPS-25 a
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i However: The RPS-80 supplies 80 k
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Power diagram Mains Mains Mains Mai
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Power derating graph / RPS-45 T. H2
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Block diagram LINE FEEDBACK L1' L2'
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RPS-75. Connector description The f
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RPS-20. Connector description The f
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ON STATUS DISPLAY Other elements B
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1x Terminal strip for connecting th
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i i WARNING. Never install an APS-2
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i 1x Other connectors X1 and X2 con
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1x NOTE. It is important to know th
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The next table shows the signals an
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2. The power supply checks the syst
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NOTE. When detecting an error, it w
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DRIVE MODULES 3 The drives that mak
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X3 X4 X5 X6 SL2 SL1 X3 X4 X5 X6 SL2
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T. H3/5 Technical characteristics o
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Current derating Drives for an sync
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I (Arms) Imax 70 60 50 40 In 30 20
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I (Arms) 80 70 60 50 40 30 Imax In
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For a switching frequency fc = 4 kH
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Power derating The following graph
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Connector layout AXD/SPD 1.08/1.15
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AXD/SPD 1.35 These drive modules ha
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AXD/SPD 3.100/3.150 These drive mod
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MMC 1.08/1.15 These drive modules h
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MMC 1.35 These drive modules have t
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MMC 3.100/3.150 These drive modules
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FUSE (250V) 2,5A(F) STATUS DISPLAY
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X1 connector This connector may be
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Deactivation of the Speed Enable in
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X3. Direct feedback Having installe
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V A V B F. H3/68 Characteristics of
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X5 connector X5. RS-232 serial line
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i i The description of the pinout o
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Digital inputs characteristics Digi
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Dip-Switches (DS1, DS2) DS1 DS2 F.
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Characteristics of the digital inpu
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3.2 Compact drives When referring t
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The following table shows other ele
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Current derating Drives for an sync
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40 30 20 10 I (Arms) F. H3/102 Curr
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Connector layout The connectors of
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ACD/SCD 1.25 These drive modules ha
Page 159 and 160: SCD 2.75 These drive modules have t
Page 161 and 162: CMC 1.25 These drive modules have t
Page 163 and 164: 24V ON STATUS DISPLAY BALLAST DC BU
Page 165 and 166: x1 x1 The following table shows the
Page 167 and 168: x1 X1 connector Compact drives inte
Page 169 and 170: i Other functions The “Prog. Out
Page 171 and 172: X3 connector This connector of the
Page 173 and 174: With external incremental feedback
Page 175 and 176: X4 connector X4. Motor feedback Con
Page 177 and 178: i X6 connector This connector of th
Page 179 and 180: x1 X7 connector X7. Status of the s
Page 181 and 182: Pinout X7-ANALOG I/O, digital input
Page 183 and 184: Analog outputs Associated with pins
Page 185 and 186: Digital outputs characteristics Nam
Page 187 and 188: i 3. Final stages: They display err
Page 189 and 190: AUXILIARY MODULES 4 Besides the pow
Page 191 and 192: 4.2 Chokes The chokes (inductances
Page 193 and 194: 4.3 External Ballast resistors NOTE
Page 195 and 196: ER+TH-18/x+FAN resistors with inter
Page 197 and 198: Ohm value WARNING. When connecting
Page 199 and 200: 4.4 Capacitor module This module st
Page 201 and 202: i INFORMATION. In case of micro-sur
Page 203 and 204: RESET OVER VOLTAGE OVER CURRENT ON
Page 205 and 206: SELECTING CRITERIA 5 5.1 Selection
Page 207 and 208: Motor speed calculation (rev/min) T
Page 209: Third motor pre-selection Calculati
Page 213 and 214: In the case of a drill, the bit is
Page 215 and 216: T. H5/3 Different accelerations dep
Page 217 and 218: 5.3 Drive selection When selecting
Page 219 and 220: Then, depending on the power for S3
Page 221 and 222: T. H5/8 Power supply selection when
Page 223 and 224: Non-FAGOR asynchronous spindle moto
Page 225 and 226: 2. The power supply module must be
Page 227 and 228: T. H5/14 Selection of the mains con
Page 229 and 230: 5.6 Ballast resistor selection guid
Page 231 and 232: When using compact drive modules th
Page 233 and 234: POWER LINE CONNECTION 6.1 Mains con
Page 235 and 236: 6.2 Protection fuses i i To protect
Page 237 and 238: 6.3 Differential breaker i On a DDS
Page 239 and 240: i MANDATORY. For machines whose ser
Page 241 and 242: 6.6 Line inductance Line inductance
Page 243 and 244: i TN type mains Distribution diagra
Page 245 and 246: i IT type mains Distribution diagra
Page 247 and 248: CABLES 7 This chapter describes the
Page 249 and 250: 7.2 Power cable. Motor-drive connec
Page 251 and 252: 7.3 Motor feedback cables i i The a
Page 253 and 254: 7.4 Direct feedback cable The direc
Page 255 and 256: 7.5 Signal cables for control and c
Page 257 and 258: Their sales reference is: SFO-V-FLE
Page 259 and 260: 7.6 RS232/RS422 BE adapter Before s
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PC-VT connection using an RS-232 ca
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RS-232 serial line cable between a
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RS-422 serial line cable between a
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INSTALLATION 8.1 Location 8 This ch
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Auxiliary modules Dissipated power
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EMC instructions for equipment inst
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See example of electrical installat
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A. Fan. Air output. It is recommend
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8.3 System installation Preparation
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8.4 Connection between modules Powe
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Ground connection MANDATORY. It is
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Connection to the external Ballast
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How to install an external Ballast
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How to install an external Ballast
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Ohm values WARNING. The Ohm value o
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8.5 Power supply connections i See
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8.6 Connection of the control and c
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i SERCOS ring connection The SERCOS
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Handling fiber optic cables FAGOR s
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Values that may be assigned to the
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SERCOS connection with a FAGOR 8055
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ISO GND CAN L SHIELD CAN H SHIELD P
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Once the display shows the desired
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CAN connection with a FAGOR 8055i C
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RS-232/422 serial line connection w
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8.7 Check the installation Check th
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FUNCTIONAL SAFETY 9 See section on
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9.2 Interface X3 X4 X5 X6 NODE OUT
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Considerations to bear in mind in t
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9.5 Risk analysis The machine manuf
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9.7 Response time FAGOR recommends
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9.9 Commissioning Check that each o
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9.11 Decommission and disposal The
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CONNECTION DIAGRAMS 10 10.1 SPD mod
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10.4 SCD compact drive with FM7 asy
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10.6 ACD compact drive with FXM syn
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i NOTE. Observe that a push-button
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i Brake control In some application
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BLOCK DIAGRAM OF THE DDS SYSTEM STA
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OPERATION DIAGRAM. PS-65A EMERG. ST
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OPERATION DIAGRAM. PS-25B4 EMERG. S
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OPERATION DIAGRAM. XPS-XX EMERG. ST
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OPERATION DIAGRAM. RPS-XX EMERG. ST
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10.13 Compact system diagrams with
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10.14 Diagrams of a mixed (combined
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OPERATION DIAGRAM Note 1. - KA3 is
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10.17 On-the-fly start/delta connec
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DIMENSIONS 11 When designing and bu
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11.3 Modular drive modules 255 (10.
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11.5 Mains filter 50 mm C L-1 C 50
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11.7 RPS chokes F. H11/7 Chokes RPS
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11.9 External Ballast resistors wit
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SALES REFERENCES 12 This chapter in
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Sales reference of the synchronous
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12.3 References of modular drives S
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12.5 References of positioning driv
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12.7 References of other elements S
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Sales reference of the SERCOS inter
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12.10 Module identification Each el
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COMPATIBILITY 13.1 Mains voltage 13
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13.6 VECON-3 board 13.7 VECON-4 boa
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13.15 CAPMOTOR-2 board and type of
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FAGOR AUTOMATION Fagor Automation S
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2 - Fagor Automation

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