Vacon 20CP Installation, Technical And Maintenance Manual
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Vacon 20CP Installation, Technical And Maintenance Manual

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Summary of Contents for Vacon 20CP

  • Page 1 20 cp ® ac drives installation, Technical and Maintenance manual...

  • Page 3: Table Of Contents

    Control cables ........................42 Cable installation ......................43 Control unit ....................46 Control unit cabling......................49 5.1.1 Control cable sizing......................49 5.1.2 Standard I/O terminals..................... 50 5.1.3 Relay terminals ........................ 51 Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 4 7.1.3 Mains voltage 3AC 380-480V.................... 71 7.1.4 Definitions of overloadability ................... 71 Brake resistors ........................ 72 VACON® 20 CP - technical data ..................73 7.3.1 Technical information on control connections ..............76 Options ......................78 Vacon keypad with seven-segment display ..............78 Text keypad........................

  • Page 5: Vacon

    • 2 9.6.1 General wiring instructions ................... 105 9.6.2 Checklist for commissioning ..................105 Parameters and fault tracing..................106 Maintenance and diagnostics ..................107 Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 6 • 3...

  • Page 7: Safety

    CP is a Cold Plate drive designed to control asynchronous AC motors and perma- nent magnet motors. The product is intended to be installed in a restricted access location and for a general purpose use. Only Vacon authorized, trained and qualified personnel are allowed to install, operate and maintain the drive. Signs...

  • Page 8: Danger

    Coming into contact with this voltage is extremely dangerous and may cause death or severe injury. ® The motor terminals (U, V, W) are live when VACON 20 CP Drive is connected to the mains, even if the motor is not running.

  • Page 9: Warnings

    Only DVC A circuits (Decisive Voltage Class A, according to IEC 61800-5-1) are allowed to be connected to the control unit. This advice aims to protect both the drive and the client-application. Vacon is not responsible for direct or consequen- tial damages resulting from unsafe connections of external circuits to the drive.

  • Page 10: Earthing And Earth Fault Protection

    • 7 Safety Earthing and earth fault protection CAUTION! ® The VACON 20 CP AC drive must always be earthed with an earthing conductor connected to the earthing terminal marked with Since the touch current exceeds 3.5 mA AC (for the three-phase version), according to...
  • Page 11 However, always follow the local regulations for the minimum size of the protective earthing conductor. NOTE: Due to the high capacitive currents present in the AC drive, fault current protective switches may not function properly. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 12: Insulation System

    IEC 61800-5-1) and the GND terminals are referred to PE. This is important when you need to connect other circuits to the drive and test the complete assembly. Should you have any doubts or questions, please contact your local Vacon distribu- tor.

  • Page 13: Compatibility With Rcds

    (RCD) or monitoring (RCM) device is used for protection in case of direct or indirect contact, only an RCD or RCM of Type B is allowed on the supply side of this product. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 14: Cooling System

    • Temperature at the cooling-plate (of VACON 20 CP): max. 85 °C (185 °F) Please, contact your local Vacon distributor if you need further details or support to dimension the cooling system in your final application. NOTE: Up to 1.5 kW (Voltage range 380-480V) and 0.75 kW (Voltage range 208-240V) the drive...

  • Page 15: Declaration Of Conformity

    Safety vacon • 12 1.10 Declaration of conformity Figure 5. Declaration of conformity. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 16 • 13 Safety Figure 6. STO certificate.
  • Page 17 REMARQUE Vous pouvez télécharger les versions anglaise et française des manuels produit contenant l’ensemble des informations de sécurité, avertissements et mises en garde appli- cables sur le site www.vacon.com/downloads. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 18 • 15 Safety...

  • Page 19: Receipt Of Delivery

    Supply voltage Protection: IP00 IP class EMC level EMC level: Application code Firmware: FW0065V008 Application: Cust. Ord. No: 3234500378 Marks: Customer’s order number CUSTOMER NAME Figure 7. Vacon package label Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 20: Type Designation Code

    This segment is common for all products. Additional codes. 0020 Examples of additional codes: Product range: +DBIR 0020 = Vacon 20 Dynamic Brake Internal Resistance (optional) Input/Function: = Three-phase input = Single-phase input 0009 Drive rating in ampere; e.g. 0009 = 9 A...

  • Page 21: Order Codes

    Receipt of delivery vacon • 18 Order codes The order codes for Vacon 20 Cold Plate drive family are shown in the following table: Frame size Order code Description Supply voltage 3AC 208-240V VACON0020-3L-0004-2-CP 0.75 kW - 1.0 HP drive VACON0020-3L-0005-2-CP 1.1 kW - 1.5 HP drive...

  • Page 22: Unpacking And Lifting The Ac Drive

    • 19 Receipt of delivery Unpacking and lifting the AC drive The weights of the AC drives vary according to frame size. Note the weights of each individual frame size in Table 4 below. Frame Weight [kg] Weight [lb] Table 4.

  • Page 23: Disposal

    Observe local and other applicable laws as they may mandate special treatment for specific components or special treatment may be ecologically sensible. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 24 • 21 Receipt of delivery...

  • Page 25: Mounting

    Dimensions W x H x D Frame [mm] [in] 133.0 x 164.5 x 73.5 5.24 x 6.48 x 2.89 MS2 with plate 133.0 x 164.5 x 79.5 5.24 x 6.48 x 3.13 Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 26: Frame Ms2 Single-Phase Version

    • 23 Mounting 3.1.2 Frame MS2 single-phase version ® Figure 10. 20 Cold Plate, MS2 single-phase version. VACON Dimensions W x H x D Frame [mm] [in] 133.0 x 163.5 x 73.5 5.23 x 6.43 x 2.89 MS2 with plate 133.0 x 163.5 x 79.5...

  • Page 27: Frame Ms3

    Dimensions W x H x D Frame [mm] [in] 161.0 x 246.0 x 73.5 6.34 x 9.69 x 2.89 MS3 with plate 161.0 x 246.0 x 83.0 6.34 x 9.69 x 3.27 Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 28: Cooling

    Table 5. Recommended cold plate thermal compound. Vacon recommends screen printing for applying the thermal paste. In certain cases an appli- cation by hard rubber roller might be applicable. After mounting the AC drive to the heatsink panel, wipe away any excess compound from around the plate.
  • Page 29 Figure 12. Heatsink plate for MS2 (upper view).The thickness of the plate is 6.0 mm (0.24 in). Dimensions W x H x D Frame [mm] [in] 64.0 x 110.0 x 6.0 2.52 x 4.33 x 0.24 Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 30 • 27 Mounting Figure 13. Heatsink plate for MS3 (upper view).The thickness of the plate is 9.5 mm (0.37 in). Dimensions W x H x D Frame [mm] [in] 100.0 x 148.0 x 9.5 3.94 x 5.83 x 0.37...

  • Page 31: Installation Spacing

    Table 7. Min. clearances around AC drive. A = Clearance left and right from the drive B = Clearance above the drive C = Clearance underneath the AC drive Figure 14. Installation space. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 32: Power Loss Thermal Characteristics

    Power loss thermal characteristics ® In the table below are the thermal characteristics of VACON 20 CP AC drive at nominal output current. The power loss in stand-by conditions is 12 W for all sizes (supply voltage 24 V, 100 mA).

  • Page 33: Dimensioning An External Heatsink

    Mounting vacon • 30 Dimensioning an external heatsink ® This paragraph describes a useful procedure to select a suitable heatsink for VACON 20 CP drives. The heatsinks are devices that enhance heat dissipation from a hot surface, usually the case of a heat generating component, to a cooler ambient, usually air.
  • Page 34 • 31 Mounting The formula to calculate the maximum thermal resistance of the heatsink is as follows: – CPmax ------------------------------------ - R – HSmax loss For a given ambient temperature T the cold plate temperature T must not exceed the CPmax maximum allowable value (85°C).
  • Page 35 Note: to study the heat transfer in other cooling media of different geometry (e.g. cooling plate without fins), please contact your local Vacon supplier to receive support in dimension- ing method. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 36 • 33 Mounting...

  • Page 37: Power Cabling

    Keypad Control U/T1 Power unit V/T2 W/T3 Figure 16. Principal connection diagram (three-phase version). only MS3. Keypad Control U/T1 Power unit V/T2 W/T3 Figure 17. Principal connection diagram (single-phase version) Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 38 • 35 Power cabling Use cables with heat resistance in accordance with the application requirements. The cables and the fuses must be dimensioned according to the AC drive nominal OUTPUT current which you can find on the rating plate.

  • Page 39: Circuit Breaker

    Integral solid state short circuit protection does not provide branch circuit pro- tection. Branch circuit protection must be provided in accordance with the National Electrical Code and any additional local codes. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 40: Description Of The Terminals

    • 37 Power cabling Description of the terminals ® The following pictures describe the power terminals and the typical connections in Vacon CP drives. 4.3.1 MS2 three-phase version power connections AC power supply Single or Three phases Motor Figure 19. Power connections, MS2 three-phase version.

  • Page 41: Ms2 Single-Phase Version Power Connections

    Single-phase 230 VAC voltage has to be connected to L and N terminals. These terminals are for motor connections. Table 15. Description of Vacon 20CP MS2 power terminals (single-phase version). Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 42: Ms3 Power Connections

    230 VAC models can be supplied by single-phase voltage by connecting to L1 and L2 terminals (with derat- ing of 50%). U/T1 V/T2 These terminals are for motor connections. W/T3 Table 16. Description of Vacon 20CP MS3 power terminals.

  • Page 43: Cable Dimensioning And Selection

    Check that the fuse operating time is less than 0.4 seconds. Operating time depends on used fuse type and impedance of the supply circuit. Consult the factory about faster fuses. Vacon also recommends high speed J (UL & CSA), aR (UL recognized, IEC 60269-4) and gS (IEC 60269-4) fuse ranges.

  • Page 44: Cable And Fuse Sizes, Frames Ms2 To Ms3, North America

    Check that the fuse operating time is less than 0.4 seconds. Operating time depends on used fuse type and impedance of the supply circuit. Consult the factory about faster fuses. Vacon also recommends high speed J (UL & CSA), aR (UL recognized, IEC 60269-4) and gS (IEC 60269-4) fuse ranges.

  • Page 45: Brake Resistor Cables

    MS3. See Figure 23 and Figure 25 for the location of these terminals. See Table 33 and Table 34 for the resistor ratings. Control cables For information on control cables see chapter Control unit cabling. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 46: Cable Installation

    • 43 Power cabling Cable installation • Before starting, check that none of the components of the AC drive is live. Read the warnings in chapter 1 carefully • Place the motor cables sufficiently far from other cables • Avoid placing the motor cables in long parallel lines with other cables.
  • Page 47 [Nm] lbs-in. 0003 4—0008 4 0.5—0.6 4.5—5.3 13.3 17.7 0004 2—0007 2 0009 4—0016 4 1.2—1.5 10.6—13.3 1.5 13.3 17.7 0011 2—0017 2 Table 20. Tightening torques of terminals. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 48 • 45 Power cabling...

  • Page 49: Control Unit

    Table 21. Locations of components in control unit The HMI connector is only to connect the keypad and not for Ethernet comunica- tion. Figure 23. Locations of the components in control unit of MS2 (three-phase version). Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 50 • 47 Control unit Figure 24. Locations of the components in control unit of MS2 (single-phase version). Figure 25. Location of the components in the control unit of MS3.
  • Page 51 20 CP drives you will need a Micro-Fit 3.0™ Receptacle ® Crimp Housing, Single Row by Molex (part number 43645-0200). See the picture below for more details. FAN+ FAN- Figure 26. Micro-Fit 3.0™ Housing. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 52: Control Unit Cabling

    • 49 Control unit Control unit cabling The principal terminal block placement is shown in Figure 27 below. The control board is equipped with 23 fixed control I/O terminals. Additionally, the terminals for the Safe Torque Off (STO) function (see chapter 9) can be seen in the picture below. All signal descriptions are also given in Table 24.

  • Page 53: Standard I/O Terminals

    Remote reference voltage or current 4...20mA/0...10V I/O signal ground Digital output 1 com- DO1- Digital input 4 Digital input 5 Digital input 6 Analogue signal AO1+ (+output) DO1+ Digital output 1 Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 54: Relay Terminals

    • 51 Control unit 5.1.3 Relay terminals Table 25. I/O terminal signals for relays and connection example. Relays terminals Terminal Signal From Relay output 1 RO1/2 standard I/O board From term. From term. RO1/3 Relay output 2 RO2/1 RO2/2 RO2/3 5.1.4...

  • Page 55: Description Of Additional Echo Connectors

    It mates with Pico-Clasp™ Wire-to Board Receptacle Housing (crimp housing), Dual Row, 20 ® Circuits. The code by Molex is: 501189-2010. See Figure 29. Figure 29. Receptacle housing for I/O remote echo connector. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 56 Control unit To connect I/Os to the control unit through echo terminals this connector has to be used. In the ® following table, the correspondence between the pins of this connector and the VACON 20 CP terminals is shown. Pin number...
  • Page 57 501330-1500. To connect HMI to the control unit through echo terminals this connector has to be used. In the ® following table, the correspondence between the pins of this connector and the VACON 20 CP HMI terminals is shown.
  • Page 58 • 55 Control unit Pin number in RJ45 Pin number of echo Signal Description connector connector Keyp_TX+ Keyp_TX- RS422 (connection for panel communication) Keyp_RX+ Keyp_RX- Led_CTRL1 Control signal for LED1 Led_CTRL2 Control signal for LED2 Led_CTRL3 Control signal for LED3...

  • Page 59: Led Handling

    Led “FLT” (red led) means the drive is experiencing a fault. Led “RDY” (orange led) means the drive is ready and no fault is present. When a Warning is ac- tive, the led starts blinking. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 60: Selection Of Terminal Functions With Dip Switches

    “0” means that termination resistance is connected and the termination of the bus has been set. If the Vacon 20 CP is the last device on the net, this switch must be set to “0” position. The default position for SW4 is “0”.

  • Page 61: Fieldbus Connection

    The address in the message header is used to define which device should respond to a message. All other nodes on the Modbus network ignore the message if the address field doesn't match their own address. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 62: Modbus Rtu Protocol

    • 59 Control unit 5.2.1 Modbus RTU protocol Interface RS-485 Data transfer method RS-485 MS/TP, half-duplex STP (shielded twisted pair), type Transfer cable Belden 9841 or similar Connector 2.5 mm Connections and Electrical isolation Functional communications As described in “Modicon Modbus Modbus RTU Protocol Reference Guide”...

  • Page 63: Preparation For Use Through Rs485

    Strip the cable at a maximum length of 15 mm. Do not strip the aluminium cable shield! ® Then connect the cable to its appropriate terminals on VACON 20 CP AC drive standard terminal block, terminals A and B (A = negative, B = positive).
  • Page 64 • 61 Control unit...

  • Page 65: Commissioning

    20 CP drive. Do not open the unit before this time has expired. After expiration of this time, use a measuring equipment to absolutely ensure that no voltage is present. Always ensure absence of voltage before starting any electrical work! Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 66: Commissioning Of The Drive

    • 63 Commissioning Commissioning of the drive Read carefully the safety instructions in Chapter 1 and above and follow them. After the installation: Check that both the frequency converter and the motor are grounded. Check that the mains and motor cables comply with the requirements given in chapter 4.

  • Page 67: Changing Emc Protection Class

    6.2.1 Changing EMC protection class - MS2 three-phase version Remove the three screws on the EMC plate from the unit. Figure 35.Changing of the EMC class in MS2 (three-phase version). Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 68 • 65 Commissioning Remove the EMC plate from the unit. Then lift the plate with pliers to disconnect the EMC plate from the ground. See Figure 36. Then reconnect the EMC plate to the unit. Figure 36. Changing of the EMC class in MS2 (three-phase version).

  • Page 69: Changing Emc Protection Class - Ms2 Single-Phase Version

    6.2.2 Changing EMC protection class - MS2 single-phase version Remove the EMC screw as shown in the Figure 37. Figure 37. Changing the EMC class in the MS2 (single-phase version). Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 70: Changing Emc Protection Class - Ms3

    • 67 Commissioning 6.2.3 Changing EMC protection class - MS3 Remove the EMC screw as shown in the Figure 38. Figure 38. Changing the EMC class in the MS3. CAUTION! Before connecting the AC drive to mains make sure that the EMC pro-...

  • Page 71: Running The Motor

    Measure the insulation resistance of each motor winding. The measurement voltage must equal at least the motor nominal voltage but not exceed 1000 V. The insulation resistance must be >1MΩ at ambient temperature of 20°C. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 72: Maintenance

    • 69 Commissioning Maintenance In normal conditions, the AC drive is maintenance-free. However, regular maintenance is rec- ommended to ensure trouble-free operation and longevity of the drive. We recommend the ta- ble below is followed for maintenance intervals. Maintenance interval...

  • Page 73: Technical Data

    20 CP, supply voltage 1AC 208-240V. VACON NOTE: The rated currents in given ambient temperatures (in Table 31) are achieved only when the switching frequency is equal to or less than the factory default. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 74: Mains Voltage 3Ac 380-480V

    • 71 Technical data 7.1.3 Mains voltage 3AC 380-480V Mains Voltage 3AC 380-480V, 50/60 Hz Motor shaft power Loadability Input 400V 480V Converter current type Rated continuous 50% overload Max current current I N current [kW] [HP] 0003 0.75...

  • Page 75: Brake Resistors

    Make sure that the resistance is higher than the minimum resistance defined. The power han- dling capacity must be sufficient for the application. Brake chopper is available only in three- phase version. Recommended brake resistor values for Vacon 20 CP AC drives: Mains Voltage 3AC 208-240 V, 50/60 Hz Minimum Resistance...

  • Page 76: Vacon® 20 Cp - Technical Data

    • 73 Technical data ® VACON 20 CP - technical data 3AC 208…240V Input voltage U 1AC 208…240V 3AC 380…480V Input voltage tolerance -15%…+10% continuously Input frequency 50/60 Hz Input frequency 45…66 Hz tolerance Protection class Mains connection Connection to mains...
  • Page 77 25g / 6 ms [3M7 acc. to IEC 60721-3-3] Shock/Bump: MS2 (single-phase version) and MS3: 25g / 6 ms [3M6 acc. to IEC 60721-3-3] 2004/108/EC Low Voltage 2006/95/EC Directives RoHS 2002/95/EC WEEE 2012/19/EC Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 78 • 75 Technical data EN61800-3: 2004 + A1: 2011, 1 and 2 envi- Immunity ronment EN61800-3: 2004 + A1: 2011, Category C2 as standard for 3-phase version conducted and radiated emissions Category C1 as standard for Standards Emissions conducted emissions...

  • Page 79: Technical Information On Control Connections

    Analogue signal 0-10V (30mA max) (+output) Resolution 0.1%, accuracy ±2,5 % Short-circuited protected. Digital Output 1 Open Collector max 35V / 50mA (DO1+) Table 36. Technical information on standard I/O terminals. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 80 • 77 Technical data Relay terminals Terminal Signal Technical information Switching capacity 250VAC/3A Relay output 1 (only earthed network allowed) Switching capacity NO 250VAC/5A Relay output 2* NC 250VAC/3A (only earthed network allowed) If 230VAC is used as control voltage from the output relays, the control circuitry must be powered with a separate isolation transformer to limit short circuit current and overvoltage spikes.

  • Page 81: Options

    Change control place Reset faults with long press Move cursor left Move cursor right Stop button Start button Scroll menu down Decrease value Enter active level/item Confirm selection Figure 41.Keypad buttons. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 82: Text Keypad

    • 79 Options Text keypad The keypad display indicates the status of the motor and the drive and any irregularities in motor or drive functions. On the display, the user can see the information about his present location in the menu structure and the item displayed.

  • Page 83: Using The Keypad

    8.4.1 Main menu The menu structure of Vacon 20 CP control software consists of a main menu and several submenus. Navigation in the main menu is shown below: R E A D Y R U N...

  • Page 84: Resetting Fault

    Every control ® place has its own parameter for selecting the frequency reference source. In the VACON 20 CP Local control place Remote control place drive, the is always the keypad.

  • Page 85: Reference Menu

    The changing reference frequency will been taken into use immediately without pressing OK. Note! LEFT and RIGHT buttons can be used to change the direction in Ref menu in local control mode. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 86: Monitoring Menu

    Monitoring menu Monitoring values are actual values of measured signals as well as status of some control settings. It is visible in Vacon 20 CP display, but it can not be edited. The monitoring values are listed in the Application Manual.

  • Page 87: Parameter Menu

    4. Confirm change with OK button or ignore change by returning to previous level with Back/ Reset button. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 88: System/Fault Menu

    • 85 Options 8.4.7 System/Fault menu SYS/FLT menu including fault submenu, field bus submenu and system parameter submenu. In system parameter submenu, there are some editable parameter (P) and some not editable param- eters (V). The Fault submenu of SYS/FLT menu includes active fault submenu and fault history sub- menu.
  • Page 89 Note Fault history 10 latest faults are stored in the Entering the Fault history and click- Fault history. ing OK on the selected fault shows the fault time data (details). Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 90: Fault Tracing

    • 87 Options Fault tracing Fault Fault name Subcode Possible cause Remedy code AC drive has detected too high a Check loading. current (>4*I ) in the motor cable: Check motor. Overcurrent Check cables and connections. • sudden heavy load increase Make identification run.
  • Page 91 Should the fault re-occur, contact the distributor near to you. Reset the fault and restart. Task stack overflow Should the fault re-occur, contact the distributor near to you. Table 39. Fault codes and descriptions. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 92 Error in the microprocessor moni- Reset the fault and restart. toring If the fault occurs again, please con- Watchdog Malfunction tact your closest Vacon representa- Component fault tive. Reset the fault and restart. Protection of unit when starting Back EMF...
  • Page 93 Identification alarm successfully completed The drive has been stopped with Quick Stop Quick Stop activated Quick Stop digital input or Quick Stop command by fieldbus Table 39. Fault codes and descriptions. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 94: Option Boards

    20 CP frequency converter can be increased and its versatility improved. ® There is one board slot (labelled D) on the VACON 20 CP control unit. To locate the slot, see Chap- ter 5. Usually, when the AC drive is delivered from the factory, the control unit doesn’t include any option board in the board slot.

  • Page 95: Option Board Installation

    Figure 48. Opening the main cover, MS2 three-phase version example. The relay outputs and other I/O-terminals may have a dangerous control voltage present even when the drive is disconnected from mains. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 96 • 93 Options • Make sure that the sticker on the connector of the board says “dv” (dual voltage). This indicates that the board is compatible with Vacon 20 CP. See below: 9116.emf Slot coding • NOTE: Incompatible boards cannot be installed on Vacon 20 CP. Compati-...
  • Page 97 Options vacon • 94 Figure 49. Option board installation. • Mount the option slot cover. Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 98 • 95 Options Figure 50. Mounting of the option slot cover: remove the plastic opening for the option board terminals.

  • Page 99: Safe Torque Off

    In circumstances where external influences (e.g. falling of suspended loads) are present additional measures (e.g. mechanical brakes) may be necessary to prevent any hazard. STO shall not be used as a control for starting or stopping the drive. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 100: Standards

    • 97 Safe Torque Off Standards The STO function has been designed for use in accordance with the following standards: Standards IEC 61508, Parts 1-7 EN 61800-5-2 EN 62061 ISO 13849-1 EN 954-1 IEC 60204-1 Table 41. Safety Standards.

  • Page 101: The Principle Of Sto

    The diagram below is a conceptual schematic diagram and is presented to illustrate the safety function with relevant safety components only shown. POWER UNIT DC+/R+ DC-* Reinforced Figure 51. STO function principle. (*) Only for MS3. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 102: Technical Details

    The reaction time of the STO function is the amount of time which passes from the moment in which ® the STO is demanded until the system is in the Safe State. For VACON 20 CP, the reaction time is...

  • Page 103: Connections

    Disconnect both the STO jumpers to allow the cabling of the terminals. The following examples show the basic principles for wiring the STO inputs and the STO output feedback. Local standards and regulations should be always followed in the final design. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 104: Safety Capability Cat. 4 / Pl E / Sil 3

    • 101 Safe Torque Off 9.5.1 Safety Capability Cat. 4 / PL e / SIL 3 For this safety capability, an external safety device must be installed. This must be used to dynam- ically activate the STO inputs and to monitor the STO output feedback.
  • Page 105 Safe State. In case of failure, check the wiring. If the fault recognized by the external safety device persists, the drive will have to be replaced/repaired. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 106: Safety Capability Cat. 3 / Pl E / Sil 3

    • 103 Safe Torque Off 9.5.2 Safety Capability Cat. 3 / PL e / SIL 3 The safety capability is reduced to Cat. 3 / PL e / SIL 3 if the STO inputs are statically used (which means they are forced to commute together).

  • Page 107: Safety Capability Cat. 1 / Pl C / Sil 1

    Torque Off") and the motor stops by coasting. SWITCH POWER UNIT DC+/R+ DC-* Reinforced Figure 56. STO example without automatic monitoring of the feedback and STO inputs connect- ed in parallel. (*)Only for MS3. Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 108: Commissioning

    • 105 Safe Torque Off Commissioning 9.6.1 General wiring instructions Protect the STO cabling with shielding or an enclosure to exclude external damage. Wire ferrules are highly recommended for all STO signals (inputs and feedback). The wiring should be done according to the general wiring instructions for the specific product. A shielded cable is required.

  • Page 109: Parameters And Fault Tracing

    • Reset the fault (through a digital input or from the keypad). • It is possible that a new start command is required for the restart (depending on the applica- tion and your parameter settings). Service support: find your nearest Vacon service center at www.vacon.com...

  • Page 110: Maintenance And Diagnostics

    The following table shows faults that may be generated by the software that monitors the hardware related to the STO safety function. If you detect any failure in safety functions, including STO, contact your local Vacon supplier. Fault Code Fault...
  • Page 111 Safe Torque Off vacon • 108 Service support: find your nearest Vacon service center at www.vacon.com...
  • Page 112 Find your nearest Vacon office on the Internet at: www.vacon.com Document ID: Manual authoring: documentation@vacon.com Order code: Vacon Plc. Runsorintie 7 65380 Vaasa Finland Subject to change without prior notice © 2015 Vacon Plc. Rev. I...

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