ABB DCS8 Series Original User Manual

Prevention of unexpected start-up (option +q957) enclosed converters equipped with dcs880 modules

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Options for ABB drives
Original user's manual
Prevention of unexpected start-up (option +Q957)
for DCS8x0-A enclosed converters
equipped with DCS880 modules
Individual drive POUS
E-Stop
cat.0
+Q951
x
+Q952
+Q963
x
+Q964
+Q957
E-Stop
cat.1
POUS
x
x
x
forced MC
opening
x
x

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Summary of Contents for ABB DCS8 Series

  • Page 1 — Options for ABB drives Original user’s manual Prevention of unexpected start-up (option +Q957) for DCS8x0-A enclosed converters equipped with DCS880 modules Individual drive POUS E-Stop E-Stop forced MC cat.0 cat.1 POUS opening +Q951 +Q952 +Q963 +Q964 +Q957...
  • Page 2: List Of Related Manuals

    List of related manuals All the documents available for the drive system DCS880 are listed below: General Publication number EN DE IT ES FR PL ZH RU DCS880 Quick guide 3ADW000545 EN DE IT ES FR Safety instructions all languages 3ADW000481 EN DE IT ES FR...
  • Page 3: Table Of Contents

    Table of contents List of related manuals Table of contents Safety Instructions Introduction to the manual Contents of this chapter ............................. 5 Applicability ..................................5 Target audience ................................5 Contents ..................................5 Related documents ............................... 5 Abbreviations ................................. 6 Exclusion of liability ..............................6 Quick reference guide for implementing a safety system ..................
  • Page 4: Safety Instructions

    Safety Instructions Only a qualified electrician who has appropriate knowledge on functional/machine/process safety is allowed to install, start up and maintain the safety circuit. WARNING! This safety function does not disconnect the voltage of the main and auxiliary circuits from the drive. You must not work on the electrical parts of the drive or the motor before you have also disconnected the drive system from the electric supply and ensured by measuring that there is no dangerous voltage present.
  • Page 5: Introduction To The Manual

    Introduction to the manual Contents of this chapter This chapter describes the manual in short and gives some general information for the reader. The chapter also contains a quick reference for implementing a safety system. Applicability The manual applies only to DCS880-A cabinet drives and to DCS800-A cabinet drives with plus code +S880 (exchange of DCS800 with DCS880 drives modules) which have the option: Prevention of unexpected start-up (POUS) (option: +Q957).
  • Page 6: Abbreviations

    EN/IEC 62061 Exclusion of liability ABB is not responsible for the implementation, verification and validation of the overall safety system. It is the responsibility of the system integrator (or other party) who is responsible for the overall system and system safety. The system integrator (or other responsible party) must make sure that the entire implementation complies with all relevant standards, directives and local electrical code, and that the system is tested, verified and validated correctly.
  • Page 7: Quick Reference Guide For Implementing A Safety System

    Assess safety: analyze and evaluate risks (estimate SIL/PL) and define risk reduction strategies. Define the safety requirements  Design the safety system. The part of the design made by ABB is described in chapter Option description and instructions on page 8. ...
  • Page 8: Option Description And Instructions

    Option description and instructions Contents this chapter This chapter describes the +Q957 Prevention of unexpected start-up option and instructs how to wire, start up, test, validate, use and maintain it. The safety data is also given. +Q957 basic function description The Prevention of unexpected start -up (POUS) function disables the drive output stage by utilizing the STO function.
  • Page 9: Operation Principle

    Operation principle +Q957 prevention of unexpected start-up Drive Control board POUS indication lamp A65 POUS safety relay POUS reset button POUS switch / button Q1/Q2 Mains breaker / DC breaker 24 V power supply Reset indication for safety relay STOreset DCS880 converter 24 V from T22 or functional control from any source...
  • Page 10: Q957 Fault Reaction Function

    Initial status: The drive is in operation and the motor is at a standstill. Step Operation The user activates Prevention of unexpected start-up by switching off the POUS switch [Sxx]. The POUS safety relay [A65] trips and the relay switches off the Safe torque off (STO) control signals on the drive control board [A41].
  • Page 11: Hardware Settings

    Hardware settings Appropriate hardware settings have been preset at the factory for the safety function. The reset is preset to manual. Use the switch (1) to change settings between automatic reset (2) and manual reset (3). Power cycle (power off and on) the safety relay when a setting has been changed.
  • Page 12: Q957 Start-Up And Acceptance Test

    +Q957 Start-up and acceptance test You need the Drive composer PC tool or a control panel to perform the start-up and acceptance test. Initial status: Make sure that the drive is ready for use, that is, you have done the tasks of the drive start-up procedure.
  • Page 13: Use Of The Safety Function

    Use of the safety function Activating 1. Lock the POUS key switch. The switch locks in “ON” (open) position. Resetting 1. Unlock the POUS switch until it releases. 2. Push the POUS reset button [S7x] (if installed). The indication lamp [P7x] goes out, the POUS deactivates.
  • Page 14: Q957 Maintenance

    If you change any wiring or component after the start up, or restore parameters to their default values: − Use only ABB approved spare parts. − Register the change to the change log for the safety circuit.
  • Page 15: Diagnostic Test Interval

    Diagnostic test interval Regardless of the mode of operation, it is a good practice to check the operation of the safety function at least once a year. Do the acceptance test as described in section Start-up and +Q951 acceptance test on page 12.
  • Page 16: Safety Data

    Safety data The safety data given below is valid for the default design of the safety circuit. In case the final design differs from the default, it is obligation of the changing person to calculate new safety data and deliver it separately to the customer.
  • Page 17: Ambient Conditions

    For the environmental limits for the safety functions and the drive, refer to the hardware manual. Reporting problems and failures related to safety functions Contact your local ABB representative. Option description and instructions 3ADW000504R0301 +Q957 Prevention of unexpected start-up en c...
  • Page 18: Related Standards And Directives

    Related standards and directives Standard Name EN 60204-1:2006 + AC:2010 Safety of machinery – Electrical equipment of machines – IEC 60204-1:2005 + A1:2008 Part 1: General requirements IEC 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety related systems - Part 1: General requirements.
  • Page 19: Further Information

    Product and service inquiries Address any inquiries about the product to your local ABB representative, quoting the type designation and serial number of the unit in question. A listing of ABB sales, support and service contacts can be www.abb.com/searchchannels found by navigating to Product training new.abb.com/service/training...
  • Page 20 DCS Family  ABB Automation Products Wallstadter-Straße 59 68526 Ladenburg • Germany Tel: +49 (0) 6203-71-0 Fax: +49 (0) 6203-71-76 09 *504R0301A0090000* www.abb.com/dc-drives *504R0301A0090000*...

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