Mannesmann Rexroth TVD 1.3 Series Applications Manual

Power supply module for direct connection to 3 x ac 380...480v mains supply
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engineering
mannesmann
Rexroth
TVD 1.3
Power Supply Module for Direct Connection to
3 x AC 380...480V Mains Supply
Applications Manual
DOK-POWER*-TVD*1.3****-ANW1-EN-P
Indramat
271434

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  • Page 1 engineering mannesmann Rexroth TVD 1.3 Power Supply Module for Direct Connection to 3 x AC 380...480V Mains Supply Applications Manual DOK-POWER*-TVD*1.3****-ANW1-EN-P Indramat 271434...
  • Page 2 About this documentation Title TVD 1.3 Supply Module for Direct Connetion to 3 x AC 380...480V Mains Supply Type of documentation Applicationsbeschreibung Document code DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 Internal file reference • Mappe 6 • TVD13-AN.pdf • 209-0049-4309-01 Reference This electronic document is based on the hardcopy document with document desig.: DOK-POWER*-TVD*1.3****-ANW1-EN-P •...
  • Page 3: Table Of Contents

    Table of Contents Table of Contents Construction of INDRAMAT Modular A.C. Drive System 1.1. Main functions of the TVD 1.3 ............8 Range of Applications Functional power features of the TVD 1.3 ........10 2.2. Power ratings of the TVD 1.3 ............11 2.3.
  • Page 4 Table of Contents 3.20. Heat loss inside the control cabinet ..........33 3.21. Safety clearance inside the control cabinet ........33 3.22. Front view of the TVD 1.3 ..............34 TVD 1.3 Interconnections 4.1. Optional Control Possibilities ............35 4.2. TVD interconnect with DC bus dynamic braking ......36 4.3.
  • Page 5 Table of Contents 7.2. Dimension sheet NAM 1.3 power adapting module ....... 59 7.3. Dimension sheet CZ 1.2-01-7 bus voltage capacitor ....60 7.4. Dimension sheet KD 23/26 commutating chokes ......61 7.5. Dimension sheet DC bus smoothing choke GLD 16/17 ..................61 7.6.
  • Page 6 • DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 • 02.97...
  • Page 7: Construction Of Indramat Modular A.c. Drive System

    1. Construction of the Modular AC Drive System Construction of INDRAMAT Modular A.C. Drive System The modular AC drive system from INDRAMAT is made up of • auxilary units • supply modules and • drive modules. These can be combined depending upon the power and functionalities required.
  • Page 8: Main Functions Of The Tvd 1.3

    1. Construction of the Modular AC Drive System 1.1. Main functions of the TVD 1.3 Power supply to the The high-voltage link rectifies the three-phase mains AC and provides a drives regulated DC bus circuit voltage for the power feed to the drives. A buffer capacitor takes care of any necessary smoothing.
  • Page 9: Range Of Applications

    2. Range of Applications Range of Applications INDRAMAT drives up to a continuous mechanical output of 12kW can be run from the TVD line of supply modules. The TVD 1.3 operates without mains regeneration. Drives with mains regeneration for regenerated power exceeding 2 kW are, however, available.
  • Page 10: Functional Power Features Of The Tvd 1.3

    2. Range of Applications 2.1 Functional power features of the TVD 1.3 • Connected load The TVD 1.3 can be operated with power systems of 3 x AC 380..480V, 50...60Hz without a transformer. Additional auxilary units are offered (NAM 1.3..) which suppress reactions on the power system. •...
  • Page 11: Power Ratings Of The Tvd 1.3

    2. Range of Applications 2.2. Power ratings of the TVD 1.3 The TVD 1.3 is available with a DC bus continuous power of 7.5 kW and 15 kW. It can be combined with an auxiliary bleeder module. This means that the power supply can be optimally matched to the requirements of the respective application.
  • Page 12: Technical Data - Tvd 1.3

    2. Range of Applications 2.4. Technical Data - TVD 1.3 Designation Symbol Unit TVD 1.3-15-3 TVD 1.3-08-3 Power section Input voltage U(ACN) 3 x 380 ... 480 (± 10%) Frequency f(N) (Hz) 50 ...60 DC bus voltage U(DC) 320 (± 5%) Continuous DC bus power P(DC) (kW)
  • Page 13: Ambient Conditions

    2. Range of Applications 2.5. Ambient Conditions Increased ambient The DC bus power and control voltage loads listed in the data sheets apply to temperatures an ambient temperature of +5 to +45 C. The maximum permissible ambient temperature may equal +55 C.
  • Page 14: Electrical Connections - Installation Guidelines

    3. Electrical Connections Electrical Connections – Installation Guidelines The interconnection diagram found in this documentation is a recommendation of the equipment manufacturer. The wiring diagram of the machine builder should be used for installation. • DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 • 02.97...
  • Page 15: Interconnect Diagram Tvd 1.3 With Nam 1.3

    3. Electrical Connections 3.1. Interconnect diagram TVD 1.3 with NAM 1.3 TVD12/NAM12Anschlpl Fig. 3.1: Interconnect diagram -TVD 1.3 supply module with NAM 1.3 • DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 • 02.97...
  • Page 16: Tvd 1.3 Interconnect Diagram With Individual, Additional Components

    3. Electrical Connections 3.2. TVD 1.3 interconnect diagram with individual, additional components • DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 • 02.97...
  • Page 17: Mains Connection Devices

    3. Electrical Connections 3.3 Mains connection devices Due to regulated current consumption, the TVD 1.3 supply module offers the lowest possible mains loading without reactive current. Current regulators in switched-mode power supply system cause mains system perturbations, the level of which depend on existing system conditions, i.e., short-circuit power or mains inductance, at the installation site.
  • Page 18 3. Electrical Connections TVD 1.3 with separate If modular installation is not possible due to space restrictions, then the supply components module can also be connected to the mains via separate components. Required components: Supply module Commutation Buffer DC bus choke capacitor smoothing choke TVD 1.3-08-3...
  • Page 19: Mains Connection To Power Circuits

    3. Electrical Connections 3.4. Mains connection to power circuits Direct mains The TVD 1.3 can be connected to 3 x AC 380...480V,50...60Hz three-phase connection AC mains supplies without the need for a transformer. See section 3.5 for fuse protection information. The power and electronic supply connections are strapped at the time of delivery.
  • Page 20 3. Electrical Connections If the modular drives are to be operated in residential or light industrial areas, then it may be necessary to mount an rf interference filter to maintain the limit values for the emission of interference (rf interference suppression). Each drive module must be connected to the PE-rail of the TVD with a separate ground lead.
  • Page 21: Fuse Protection For Direct Mains Connection

    3. Electrical Connections 3.5. Fuse protection for direct mains connection Protection for the mains input to the power section of the TVD 1.3 for direct connection to the mains can be effected by power circuit-breaker or with fusible links, utilization category gL. Maximum fusing The fuse rating may not exceed 35 A.
  • Page 22 3. Electrical Connections • The periodic overvoltage on the TVD 1.3 between a phase (1U1, 1V1, 1W1, Overvoltages 2U1, 2V1, 2W1) and the housing may not exceed 1000 V (peak value). • Non-periodic overvoltages, as per VDE 0160, between the phases and the phases and the housing are permissible for the TVD 1.3 as depicted in the diagram below.
  • Page 23: Commutation Choke

    3. Electrical Connections 3.7. Commutation choke In an effort to keep system perturbations as low as possible, the TVD should always be operated with a commutation choke. See sections 3.3 and 3.4; for power loss see dimension sheet in section 7. 3.8.
  • Page 24: Dc Bus Smoothing Choke

    3. Electrical Connections 3.9. DC bus smoothing choke The TVD 1.3 must always be operated with a DC bus smoothing choke in the "L+ line“. Supply Module DC bus smoothing choke TVD 1.3-08-3 GLD 16 (or NAM 1.3-08) TVD 1.3-15-3 GLD 17 (or NAM 1.3-15) (See Section 3.3, for power loss see dimension sheet in section 7).
  • Page 25: Additional Bleeder Module Tbm

    3. Electrical Connections 3.12. Additional bleeder module TBM The TVD 1.3 can be operated with an additional bleeder module of the TBM 1.2 type. The TVD and TBM combination gives the following power data: Supply Additional bleeder module module TVD 1.3-08 TBM 1.2-040-W1 TVD 1.3-15 TBM 1.2-040-W1...
  • Page 27: Supply To Electronics And Blower

    3. Electrical Connections 3.14. Supply to electronics and blower Electronics Supply voltage: 3 x AC 380...480V, 50...60 Hz Connected load: 300 VA (for maximum utilization of supply to electronics) The mains connections for the supply to power and electronics sections are strapped when the unit is delivered.
  • Page 28: Electronics Supply Buffer Capacitance

    3. Electrical Connections 3.15. Electronics supply buffer capacitance Terminal block: X7/EPU+/EPU- Conductor cross section: 1 mm Additional electronic storage capacitance may be necessary if the drives have to be stopped under position control in the event of a mains failure. A mains failure is signalled by the UD output.
  • Page 29: Electronics Supply And Signal Exchange Connections

    3. Electrical Connections 3.16. Electronics supply and signal exchange connections Terminal connection X1 has two functions: • voltage source to the drive electronics and • signal exchange between supply and drive module(s) The wire ribbon cable on the TVD 1.3 side has 16 pins. It is included in the electrical connecting accessories of the drive module.
  • Page 30: Residual Current Operated Devices

    3. Electrical Connections 3.17. Residual current operated devices A current circuit breaker (fuse or power circuit breaker) should preferrably be used to switch power off in the event of a short-circuit to the housing (ground). If TT systems absolutely necessitate a residual current operated device because of the size of the grounding resistance, then the following must be taken into account.
  • Page 31: Control Cabinet Testing

    3. Electrical Connections 3.18. Control cabinet testing No voltages other than those specified in the data sheet or in the interface notes should be connected. Prior to a high voltage test of the control cabinet, disconnect all Caution connections from the TVR. 3.19.
  • Page 32 3. Electrical Connections Spacing dimensions in 110 ±0.5 155 ±0.5 110 ±0.5 200 ±0.5 the control cabinet TVR3 TDM1 TDM1 TVR3 TVD1 TDM2 TDM2 TVD1 DDS2 DDS2 155 ±0.5 110 ±0.5 110 ±0.5 137 ±0.5 TDM1 TVR3 TVR3 TDM3 TDM2 TDM4 TVD1 TVD1...
  • Page 33: Heat Loss Inside The Control Cabinet

    3. Electrical Connections 3.20. Heat loss inside the control cabinet Basic losses in the TVD 1. 3 occur as a result of the generation of signal voltages and high voltage power. Basic losses Basic losses equal 75 W. Power losses 14 W per kW of DC bus continuous power in the TVD 1.3-08 17 W per kW of DC bus continuous power in the TVD 1.3-15 Bleeder losses...
  • Page 34: Front View Of The Tvd 1.3

    3. Electrical Connections 3.22. Front view of the TVD 1.3 Bridge capacitor connection PE-conductors central ground for each drive controller Terminal block for mains and DC bus reactor connections Diagnostics Display DC bus for the power supply of the drives Connection of bus cable of signal voltage...
  • Page 35: Tvd 1.3 Interconnections

    4. TVD 1.3 Interconnections TVD 1.3 Interconnections The interconnections for mains and the DC bus of the TVD recommended by INDRAMAT illustrate the operating principles of the unit. This section outlines several interconnect configurations. Just which configuration is selected depends on the functions and the sequence of actions required for the entire machine and is the responsibility of the machine builder.
  • Page 36: Tvd Interconnect With Dc Bus Dynamic Braking

    4. TVD 1.3 Interconnections 4.2. TVD interconnect with DC bus dynamic braking With this variant, a high level of safety with a low level of expenditure is achieved. The monitoring devices built into the drive system are used most effectively, in this case: Application •...
  • Page 37 4. TVD 1.3 Interconnections Functionalities: • with DC bus dynamic braking • regulated braking by drive electronics with an E-stop bridged at delivery 2U1 2V1 2W1 1U1 1V1 1W1 ϑ X3/1 X2/1 NCB open X4/1 X3/2 Netzschütz Haltebremse X4/2 Achsendlage Verriegelung Schutz- türe X2/2...
  • Page 38: Tvd Interconnect With E-Stop Relay With Dc Bus Dynamic Braking

    4. TVD 1.3 Interconnections 4.3. TVD interconnect with E-stop relay with DC bus dynamic braking Excellent safety at low cost is achieved with this variant. The monitoring devices built into the drive system are used most effectively. • in larger plants where monitoring or numerous E-stop switches are required, Application •...
  • Page 39 4. TVD 1.3 Interconnections Functionalities: • immediate shutdown with E-stop relay • with DC bus dynamic brake • controlled braking by drive electronics in E-stop bridged at delivery 2U1 2V1 2W1 1U1 1V1 1W1 ϑ X3/1 X2/1 NCB open X4/1 X3/2 X4/2 A10 = E-stop relay...
  • Page 40: Tvd Interconnect Without Dc Bus Dynamic Braking

    4. TVD 1.3 Interconnections 4.4. TVD interconnect without DC bus dynamic braking Application If the uncontrolled coasting of the drives cannot damage the plant. Typical applications • if the TVD supplies inductance drives only and • if the end-stops of the feed axes are sufficiently damped. Features The NCB link on the TVD (X3/1 - X3/2) may not be jumpered.
  • Page 41 4. TVD 1.3 Interconnections Functionalities: • without DC bus dynamic brake • controlled braking by the drive electronics in E-stop bridged at delivery 2U1 2V1 2W1 1U1 1V1 1W1 ϑ X3/1 X2/1 NCB open X3/2 X4/1 for diagnostics X4/2 X2/2 X9/L+ X2/3 power supply...
  • Page 42: Tvd Interconnect For A Position-Controlled Braking Of The Drives

    4. TVD 1.3 Interconnections 4.5. TVD interconnect for a position-controlled braking of the drives Application Drives which are coupled electronically as if by gearboxes under the control of an NC cannot normally accept an angular positioning error in the event of a power failure.
  • Page 43 4. TVD 1.3 Interconnections • without DC bus dynamic brake Functionalities: • controlled braking by the NC control unit in E-stop bridged at delivery 2U1 2V1 2W1 1U1 1V1 1W1 ϑ X3/1 X2/1 X3/2 X4/1 for diagnostics X4/2 X2/2 X9/L+ X2/3 power supply drive module...
  • Page 44: Terminal Descriptions

    5. Terminal Descriptions Terminal Descriptions 5.1. DC bus short-circuiting Terminal X2/1 - X2/2 Input ZKS Voltage: 24 V DC Current consumption: 270 mA Input open closed Power off, Power on, Operating status DC bus DC bus short-circuit short-circuit closed open The TVD main power contactor can be pulled in only if the ZKS input is closed.
  • Page 45: Stopping The Drives In An E-Stop Or A Power Failure

    5. Terminal Descriptions 5.4. Stopping the drives in an E-stop or a power failure NCB Link Input – Terminal X3/1 - X3/2 jumper open closed controlled braking by the drive by the with an E-stop or a electronics NC control power failure If the NCB link is open or not jumpered, a power failure or a drive fault in the drive ystem is signalled to all the drives.
  • Page 46: Signal Voltages

    5. Terminal Descriptions 5.5. Signal Voltages Signal voltages can be accessed on terminal strip X3. These terminals are designed for test and measurement purposes. If these voltages are used exterior to the TVD, ensure that no noise or interference is coupled in (short- connections, shielded leads, etc.).
  • Page 47 5. Terminal Descriptions NCB bridge DC bus Command value to voltage < 50V zero mains voltage OK of the drives with a power failure Mains monitoring X1.1 ≥1 & DC bus power OK voltage ≥ 270V open with fault & open with regenerated P >...
  • Page 48: Power Ok

    5. Terminal Descriptions 5.7. Power OK Output UD Potential free contact – terminal X4/3 – X4/4 Maximum load: DC 24 V/1 A; AC 250 V/1A Operating status Relay Fault Power de-energized Output open open closed The UD contact acknowledges proper operation of the power system. UD opens for the following faults: •...
  • Page 49: Temperature Pre-Warning

    5. Terminal Descriptions 5.9. Temperature Pre-Warning Output TVW Potential free contact – terminal X4/7 – X4/8 Maximum load: DC 24 V/1 A; AC 250 V/1A Operating status Relay Temperature Temperature de-energized too high within permissible limits Output open open closed The temperature prewarn contact opens if the heatsink temperature is too hich.
  • Page 50: Troubleshooting

    6. Troubleshooting Troubleshooting Long hours spent troubleshooting and repairing drive components on the machine are unacceptable because of production downtime. INDRAMAT AC drive components can easily be replaced as entire units with no adjustment required because of their construction. This means that whenever there is a fault, servicing is reduced to localizing the problem to the motor, the power supply, or the drive module and then simply replacing the faulty component.
  • Page 51 6. Troubleshooting Danger from voltage Dangerous voltage can occur at the following connections: carrying parts - At all connections to the power supply and its associated chokes and capacitors, and especially at connections to mains 1U1, 1V1, 1W1 and 2U1, 2V1, 2W1, as well as X13 und X14 of the blower.
  • Page 52 6. Troubleshooting Danger from moving Source of danger: parts Unexpected and unintentional axis movements! Possible consequences: Danger to life and limb and property damage! Problems with the machine and when locating the problem represent, in particular, situations with an increased risk. Danger ! How to avoid: Personnel must not remain in the hazardous area of the installation.
  • Page 53: Diagnostic Display

    6. Troubleshooting 6.2. Diagnostic display Note that the signals are only valid if the "+24V,+/-15V"-message is displaying a stead green light! "Steady" light Flashing LEDs Signal voltages Signal voltages +24V / ±15V faulty green in order Supply module Fault in supply and drives module or in drive green...
  • Page 54: Definition Of The Displays

    6. Troubleshooting 6.3. Definition of the displays +24V / ±15V I-FAULT P-FAULT LED green MAINS T-FAULT LED red U-FAULT POWER DATVD1.3 Fig. 6.2: Diagnostics displays on the TVD 1.3 ± +24 V/ 15 V +24V / ±15V Display green: (Operating status) Signal voltages are OK.
  • Page 55 6. Troubleshooting MAINS Display green: (Operating status) MAINS Power supply OK. POWER MAINS Display dark: (Fault - not stored) MAINS Power supply faulty. POWER Cause : Main fuse acutated, mains phase at X7 missing or mains voltage too low. ± Remedy Check main connection (rated value: 3 x 380...480 V 10 %)
  • Page 56 6. Troubleshooting I-FAULT Display dark: (Operating status) I- FAULT Current in power section within permissible range. P- FAULT I-FAULT Display flashing: (Fault - not stored) I- FAULT Power up OK even though there is a short circuit in the unit, drive module, cable P- FAULT or motor.
  • Page 57: Rating Plate Data

    6. Troubleshooting T-FAULT Display dark: (Operating status) T- FAULT Heatsink temperature within permissible range. U- FAULT T-FAULT Display flashing: (Warning) T- FAULT Heatsink temperature too high. Power will be switched off within the next 30 U- FAULT seconds. T-FAULT Displayx red: (Fault - stored) T- FAULT Shutdown was triggered as heatsink temperature too high.
  • Page 58: Dimensional Data

    7. Dimensional data Dimensional data 7.1. Dimension sheet TDV 1.3 power supply mdule Tightening = M5; M A = 3 Nm torque of the power connections L+; L-; = M5; M A = 3 Nm M A = tightening torque [Nm] shock protection min.
  • Page 59: Dimension Sheet Nam 1.3 Power Adapting Module

    7. Dimensional data 7.2. Dimension sheet NAM 1.3 power adapting module 24.5 shock protection min. 80 mm free min. 80 mm free MBTVD/NAM Tightening torque M A Cross sec. UL - registered ! 2 Nm 4 Nm 3 Nm Clamps Weight Power dissip.
  • Page 60: Dimension Sheet Cz 1.2-01-7 Bus Voltage Capacitor

    7. Dimensional data 7.3. Dimension sheet CZ 1.2-01-7 bus voltage capacitor Capacitance Nominal voltage Weight CZ 1.2-01-7 1 mF 700 V approx. 2.5 kg MBTVD/CZ1101 Fig. 7.3: Dimension sheet of the CZ 1.2-01-7 • DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 • 02.97...
  • Page 61: Dimension Sheet Kd 23/26 Commutating Chokes

    7. Dimensional data 7.4. Dimension sheet KD 23/26 commutating chokes Circuitry: Oblong hole in direction "B" Table of dimensions: MBKD23/26 Induc- Dim. in mm Clamps Weight/ Power Curr./ tance Type loss/ 0.38 KD 23 6x10 0.38 KD 26 Fig. 7.4: Dimension sheet of the KD 23/26 7.5.
  • Page 62: Dimension Sheet Cz 1.02 Auxiliary Capacitance

    7. Dimensional data 7.6. Dimension sheet CZ 1.02 auxiliary capacitance 4.4 x 7 min. 165 Drill diagram for CZ-1.02 44.5 MBCZ1.02 Fig. 7.6: Dimension sheet of the CZ 1.02 7.7. Dimension sheet TCM 1.1 aux. capacitance mod. Cooling air outlet L- L+ L- L+ Shown without shock protection...
  • Page 63: Dimension Sheet Tbm Aux. Bleeder Module

    7. Dimensional data 7.8. Dimension sheet TBM aux. bleeder module cooling air outlet L- L+ L- L+ cooling air inlet X15/ L-; L+ = power connections, max. 10 mm 2 = control connections, max. 2.5 mm 2 MBTBM X15/ EB = blower power source DC 24V, max.
  • Page 64: Dst Autotransformers With A Secondar Or Output Voltage Of 380

    7. Dimensional data 7.9. DST Autotransformers with a secondar or output voltage of 380...460 V As a result of the broad input voltage range, the TVD 1.3 can be attached to most internationally used power systems without the use of a transformer. With mains rated voltages of < 380 V or > 480 V a transformer is required.
  • Page 65: Order Information

    8. Order information Order information 8.1. Type codes TVD Example: TVD 1.2 - 15 - 03 Unit abbreviation TVD = supply module for direct mains connections Series Design DC bus cont. power 15 = 15 kW 08 = 7.5 kW Dc bus voltage 03 = 320V TVD/Typenschl...
  • Page 66: Overview Of Electrical Connecting Accessories

    8. Order information 8.3. Overview of electrical connecting accessories 16polig 16polig E1 - TVD E2 - TVD 12polig 12polig E3 - TVD E3 - TVD TVD/Zubehör Fig. 8.2: Overview of electrical connecting accessories 8.4. Overview of 16-pin bus cable for NAM 1.3 Adjacent units IN175/155 IN175/110...
  • Page 67: Item List Of Mains Supply With Tvd 1.3

    8. Order information 8.5. Item list of mains supply with TVD 1.3 See section 8.2. for available types. Item Article Supply module TVD 1.3-..-03 Electrical conn. accessories E.-TVD Auxiliary devices optionally: mains adapter module NAM 1.3-.. bus conn. cable IN.../... commutation choke KD..
  • Page 68 9. Index Index Additional bleeder module TBM 25 Additional DC bus capacitanc 24 Ambient Conditions 13 Angular positioning error 42 Arranging the drives 31 Aux. bleeder module 67 Auxiliary contact 38 B6 circuit 30 Basic losses 33 Bb1 46 Bb1 contact 8, 38 Bleeder losses 33 Bleeder resistor 26 Blower 27...
  • Page 69 9. Index Electrical Connections 14 Electronics 27 Electronics Power 12 Electronics supply buffer capacitance 28 End plug 29 EPU+ 28 EPU+ and EPU- 28 EPU- 28 Extensive monitoring functions 8 External bleeder resistor 26 External jumper 10 Extreme load capabilities 10 False tripping 30 Fault signal 38 FI type current limiting circuit breakers 30...
  • Page 70 9. Index Main functions 8 Mains connection to power circuits 19 Mains connection via a transformer 20 Mains failure 28 Mains filter 30 Mains frequency 19 Mains inductance 20 Mains perturbance 17 Mains supply earthing requirements 21 Mains voltage 19 Maximum acceleration rating 11 Maximum fusing 21 Maximum length 23...
  • Page 71 9. Index Return movements 42 rf interference supression filters 30 Safety clearance 33 Semi-conductor devices 21 Series connected units 17 Service life 10 Servo fault 38 Shielded conductors 30 Signal Voltages 46 Signal voltages 8 Spacing dimensions 32 Storage capacitance 28 Storage capacitor 17 Supply system requirements 19 Supply to electronics and fan 27...
  • Page 72 Indramat...

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