Vacon NX User Manual
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Vacon NX User Manual

Opt-af safe torque off & atex option board
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Summary of Contents for Vacon NX

  • Page 1 ® ac drives opt-af safe torque off & atex option board user manual...

  • Page 3: Table Of Contents

    4.2.4. Exceptional use of thermistor function on OPT-AF board (similar to OPT-A3, not in compliance with ATEX directive 94/9/EC) ............40 4.2.5. OPT-AF board parameter ....................41 4.2.6. Fault diagnosis of thermistor function ................42 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 4 This document covers OPT-AF option board VB00328H (or newer) and NXP Control board VB00761B (or newer). The OPT-AF option board together with NXP control board provides the following safety functions with NX family products. Safe Torque Off (STO) Hardware based ‘Safe Torque Off’ safety function to prevent the drive from generating torque on the motor shaft.
  • Page 5 FIN-65381 Vaasa Finland We hereby declare that the safety functions of the following product Product name: Vacon OPT-AF option board to be used with Vacon NXP control board in NX family products Product Identification OPT-AF option board, VB00328H (or newer revision)
  • Page 6 • 4 GENERAL 11050.emf Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205...
  • Page 7 GENERAL vacon • 5 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 8 • 6 GENERAL Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205...
  • Page 9 GENERAL vacon • 7 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 10 • 8 GENERAL 11049.pdf Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205...

  • Page 11: Installation Of The Opt-Af Board

    MAKE SURE THAT THE FREQUENCY CONVERTER IS SWITCHED OFF BEFORE AN OPTION OR FIELDBUS BOARD IS CHANGED OR ADDED! NOTE Vacon NXP frequency converter with IP54 enclosure. Remove the main cover. Open the cover of the control unit. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 12 • 11 INSTALLATION OF THE OPT-AF BOARD Install OPT-AF option board in slot B on the control board of the frequency converter. Make sure that the grounding plate fits tightly in the clamp. Cable installation: STO and SS1 safety functions require the use of cable sealing grommets or glands for all cables in the drive.

  • Page 13: Opt-Af Board Layout

    < 2000 ohm. +24V+ +24V- +24V+ +24V- Programmable Relay "NO" Programmable Relay "NO/NC" Jumper wire X12 See Chapter 4.2.4. 11052.emf Figure 1. The layout of the OPT-AF board 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 14: Sto And Ss1 Safety Functions

    See for e.g. EN 60204-1 section 5.3. CAUTION! If STO or SS1 safety function is required in DriveSynch installa- tion, please contact Vacon for more information. CAUTION! In LineSynch application the use of OPT-AF board will not fulfill STO or SS1 -safety functions while the drive is in by-pass mode.

  • Page 15: Safe Torque Off (Sto) Principle

    RO2/2 Relays only for operational use, not part of the safety functions PWM control POWER UNIT 11053.emf Figure 2. STO safety function principle in NXP frequency converter with the OPT-AF board 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 16: Safe Stop 1 (Ss1) Principle

    STO safety function. These two subsystems combined compose the Safe Stop 1 safety function as shown in Figure 4. Safe Stop 1 (SS1) Time Delayed Safety Relay Vacon NX Safe Torque Off (STO) Subsystem Subsystem Safety Relay 11055.emf...
  • Page 17 A separate digital output from the safety relay is connected to a general digital input of the NX drive. The general digital input must be programmed to detect the drive stop command and initiates without time delay the drive stop function (must be set to "stop by ramp") and causes motor deceleration.

  • Page 18: Technical Details

    • 17 STO AND SS1 SAFETY FUNCTIONS Technical details 3.3.1 Response times Safety function Activation time De-activation time Safe Torque Off < 20 ms 1000 ms Safety Function Delay from stop signal at safety relay Time delay for Safe Torque Off (STO)

  • Page 19: Safety-Related Data According To The Standard

    SIL 2 High Demand Mode PFH = 2,98 x 10 /hour Dual Channel Structure IEC 61508:2000 SIL 2 Low Demand Mode = 2,61 x 10-4 = 20 years Dual Channel Structure 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 20 PSR-SCP-24DC/ESD/5X1/1X2/300 or PSR-SPP-24DC/ESD/5X1/1X2/300 See manufacturer user manual (by ID "2981428 or "2981431") for more information regarding the time delayed safety relay. PSR-SC/PP-24DC/ESD/5X1/1X2 300 safety- NX STO safety-related data: related data from user manual and certifi- cate: IEC 61 508 SIL 2...

  • Page 21: Technical Data

    Designated architecture for a safety function (from EN ISO 13849-1:2006) The average probability of (random hardware) failure on demand Mission time 3.3.4 Technical data For more information, see the chapter "Technical data" in the product-specific user's manual. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 22: Wiring Examples

    • 21 STO AND SS1 SAFETY FUNCTIONS Wiring examples The examples in this chapter show the basic principles for wiring OPT-AF board. Local norms and regulations should be always followed in the final design. 3.4.1 Example 1: OPT-AF board without reset for Safe Torque Off (STO) MAIN CIRCUIT...

  • Page 23: Example 2: Opt-Af Board With Reset For Safe Torque Off (Sto) Or

    "F30 SafeTorqueOff". • Acknowledge the releasing of switch by edge sensitive reset function. The drive returns to the ready state. • Giving a valid start command will start running the motor. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 24: Example 3: Opt-Af Board With External Safety Relay Module With Or Without

    • 23 STO AND SS1 SAFETY FUNCTIONS Note : All NXP series drives are programmed to accept only edge sensitive start command for a va- lid start from STO state. To start the motor operation, a new start command is required after the drive returns to ready state.

  • Page 25: Example 4: Opt-Af Board With External Time Delayed Safety Relay

    External safety relay module is connected to the switch S1. The safety relay module is connected to OPT-AF board with 4 wires as shown in Figure 9. The time delay settings of the safety relay must correspond to the application requirements. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 26 • 25 STO AND SS1 SAFETY FUNCTIONS When the switch S1 is activated, the safety relay module will immediately activate DIN6, which in turn activates the STOP command to the drive. The STOP function is programmed to "Stop by Ramp".

  • Page 27: Commissioning

    11061.emf Figure 10. VET membrane glands from Oy Mar-Con Polymers Ltd 11062.emf Figure 11. Cable gland, polystyrene from WISKA Hoppmann & Mulsow GmbH, CABLE ACCESSORY SYSTEMS 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 28 • 27 STO AND SS1 SAFETY FUNCTIONS 11063.emf Figure 12. QUIXX membrane for several cables from WISKA Hoppmann & Mulsow GmbH, CABLE ACCESSORY SYSTEMS. Note! A metric to PG adapter is needed. 11064.emf Figure 13. SNAP -PG cable grommet from A.

  • Page 29: Checklist For Commissioning The Opt-Af Board

    Is the NXP system software version NXP00002V179, or newer? Has a routine been set up to ensure that the functionality of the safety function is being checked at regular intervals? Has this manual been read, understood and followed carefully? 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 30: Parametrizing The Drive For The Safe Torque Off (Sto) Safety Functions

    • 29 STO AND SS1 SAFETY FUNCTIONS 3.5.4 Parametrizing the drive for the Safe Torque Off (STO) safety functions There are no parameters for the STO function itself. In applications, there is a possibility to change the warning A30 "SafeTorqueOff" to a fault. For e- xample in NXP Multi Purpose application through parameters ...

  • Page 31: Parametrizing The Drive And The External Time Delayed Safety Relay

    When the STO safety function is activated, a code: A30 "SafeTorqueOff " appears on the control key- pad display. This indicates that the STO safety function is active. After STO has been deactivated, the warning remains active for 10 seconds. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 32: Maintenance

    • 31 STO AND SS1 SAFETY FUNCTIONS Maintenance CAUTION! If any service or repair is to be conducted on the drive installed with OPT-AF board please follow the check list given in Chapter 3.5.3. CAUTION! During maintenance breaks, or in case of service/repair, the OPT-AF board might have to be removed from its slot.
  • Page 33 STO inputs or board control board in the thermistor input. System Fault OPT-AF board mounted in Change the NXP old NXP control board. control board to VB00561, rev. H or newer. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 34: Thermistor Function (Atex)

    • 33 THERMISTOR FUNCTION (ATEX) THERMISTOR FUNCTION (ATEX) The thermistor overtemperature supervision is designed in accordance with ATEX directive 94/9/ EC. It is approved by VTT Finland for group II (certificate nr. VTT 06 ATEX 048X) , category (2) in the 'G' area (area in wich potentially explosive gas, vapor, mist or air mixtures are present) and D area (area with combustible dust).
  • Page 35 Finland hereby declare that the product Product name: Vacon OPTAF (VB00328) to be used with Vacon NXP control unit (VB00561H, VB00661A or VB00761B or later) has been designed in conformity with the requirements of the Council directive for explosive atmospheres, 94/9/EC of March 1994 according to following standards.
  • Page 36 • 35 THERMISTOR FUNCTION (ATEX) NXP CONTROL UNIT OPT-AF board, slot B Control board MICRO- Atex Safety Thermistor CONTROLLER Function SD1+ Hardware Safe Torque Off SD1- SD2+ Hardware Safe Torque Off SD2- RO1/3 RO1/1 RO1/2 RO2/3 RO2/2 Relays only for operational use,...

  • Page 37: Technical Data

    The thermistor supervision circuit meets the requirements in the ATEX directive by acting directly on the "STO" safety function of the NXP (See Figure 16) and is thus providing a reliable, software and parameter independent way of preventing the energy supply to the motor. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 38: Hardware And Connections

    • 37 THERMISTOR FUNCTION (ATEX) 4.1.2 Hardware and connections Table 6. OPT-AF I/O terminals Parameter reference Terminal on keypad and Technical information NCDrive SD1+ Isolated STO input 1 +24 V +-20% 10... 15 mA DigIN:B.2 SD1- Virtual GND 1...
  • Page 39 THERMISTOR FUNCTION (ATEX) vacon • 38 11069.emf Figure 18. Typical characteristics of a motor-protection sensor as specified in DIN 44081/DIN 440 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 40: Commissioning

    • 39 THERMISTOR FUNCTION (ATEX) Commissioning Note: Installation, testing and service work on the OPT-AF board can be performed only by profes- sional persons. Note: It is not allowed to perform any repair work on the OPT-AF board. 4.2.1 General wiring instructions The thermistor connection must be done using a separate control cable.

  • Page 41: Short Circuit Monitoring

    WARNING: When the jumper wire X12 is cut, the OPT-AF board is not more valid for using in an environment that requires a certified over- heating protection device according to the ATEX directive 94/9/EC. 13006 emf 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 42: Opt-Af Board Parameter

    • 41 THERMISTOR FUNCTION (ATEX) 4.2.5 OPT-AF board parameter Code Parameter Default Note P7.2.1.1 Therm Trip “On” Correct settings: (HW) • "Jumper wire X12 not cut and this board parame- ter "On" (for ATEX) Refer 4.2.4 • "Jumper wire X12 cut and this board parameter "Off"...

  • Page 43: Fault Diagnosis Of Thermistor Function

    "System Menu" "Security" (6.5.5). System Fault OPT-AF board EEPROM -Change the OPT-AF board. error (checksum, not answering…). System Fault 34…36 OPT-AF supply voltage -Change the OPT-AF board. hardware problem detected. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 44 • 43 THERMISTOR FUNCTION (ATEX) Table 8. Faults related to the STO & thermistor function Fault Fault Subcode Possible cause Correcting measures code System Fault 37…40 Single hardware problem -Change the OPT-AF board or the NXP control board detected in STO inputs.
  • Page 46 Find your nearest Vacon service centre Find your nearest Vacon office on the Extranet at: on the Internet at: www.extra.vacon.com www.vacon.com Manual authoring: documentation@vacon.com Document ID: Vacon Plc. Runsorintie 7 65380 Vaasa Finland Subject to change without prior notice © 2012 Vacon Plc.

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