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Summary of Contents for ABB Q951
- Page 1 — OPTIONS FOR ABB INDUSTRIAL DRIVES Emergency stop functions with button monitoring (options +Q951+Q984 and +Q952+Q984) for ACS880 liquid-cooled drives User's manual...
- Page 3 Emergency stop functions with button monitoring (options +Q951+Q984 and +Q952+Q984) for ACS880 liquid-cooled drives User's manual Table of contents 1. Safety instructions 5. Electrical installation 7. Start-up and validation test 3AXD50000328659 Rev B Original instructions EFFECTIVE: 2020-12-28...
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Page 5: Table Of Contents
Target audience ..................Exclusion of liability ................Quick reference guide for implementing a safety system ........Related documents ................Terms and abbreviations ................3 Description of option +Q951+Q984 Contents of this chapter ................Overview .................... Operation principle ................. ACS880-07CLC drives ................ - Page 6 Contents of this chapter ................General ....................Emergency stop safety relay ..............ACS880-07CLC drives with option +Q951+Q984 ......... ACS880-07LC/17LC/37LC drives and ACS880 multidrives with option +Q951+Q984 . ACS880-07LC/17LC/37LC drives and ACS880 multidrives with option +Q952+Q984 . Monitoring relays ................... 9 Maintenance Contents of this chapter ................
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Page 7: Safety Instructions
Safety instructions 7 Safety instructions Contents of this chapter This chapter contains the safety instructions which you must obey when you install, operate and do maintenance on the safety functions of a drive. Use of warnings and notes Warnings tell you about conditions which can cause injury or death, or damage to the equipment. -
Page 8: Instructions For Functional Safety Circuits
8 Safety instructions Instructions for functional safety circuits This manual does not contain the complete safety instructions of the drive. It only includes the instructions related to the scope of this manual. Only a qualified electrical professional who has sufficient knowledge about functional, machine, and process safety is permitted to install, start up and maintain the safety circuit. -
Page 9: Electrical Safety Precautions
Safety instructions 9 Electrical safety precautions These electrical safety precautions are for all personnel who do work on the drive, motor cable or motor. WARNING! Obey these instructions. If you ignore them, injury or death, or damage to the equipment can occur. If you are not a qualified electrical professional, do not do installation or maintenance work. - Page 10 10 Safety instructions 5. Measure that the installation is de-energized. If the measurement requires removal or disassembly of shrouding or other cabinet structures, obey the local laws and regulations applicable to live working (including – but not limited to – electric shock and arc protection).
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Page 11: Introduction To The Manual
(option +Q952+Q984). Note: The contents of this manual are applicable only to drives with push button monitoring (option +Q984). There are separate manuals for options +Q951 and +Q952, which are not applicable when combined with option +Q984. -
Page 12: Exclusion Of Liability
Assess safety: analyze and evaluate risks and define risk reduction strategies. Define the safety re- quirements. Design the safety system. The part of the design made by ABB is shown in this manual. Connect the wiring. See the wiring instructions in this manual and the circuit diagrams delivered with the drive. -
Page 13: Terms And Abbreviations
Functional safety; Technical guide No. 10 3AUA0000048753 ABB Safety information and solutions www.abb.com/safety Options Emergency stop functions with button monitoring (options +Q951+Q984 and 3AXD50000328659 +Q952+Q984) for ACS880 liquid-cooled drives user's manual ACX-AP-x assistant control panels user's manual 3AUA0000085685 Other documents... - Page 14 14 Introduction to the manual Term Description Performance level. Levels a...e correspond to SIL (EN ISO 13849-1) Proof test Periodic test performed to detect failures in the safety function. The target of the proof test is to ensure that the safety function still operates correctly and is able to achieve the safe state.
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Page 15: Description Of Option +Q951+Q984
This chapter contains a description of the safety function. This chapter also shows the settings related to the safety function. Overview The emergency stop function with push button monitoring (option +Q951+Q984) corresponds to an uncontrolled stop in accordance with stop category 0. This emergency stop function does not have a SIL/PL classification. -
Page 16: Operation Principle
16 Description of option +Q951+Q984 When the drive receives the emergency stop command: 1. ACS880-07CLC/07LC/17LC/37LC drives: The drive activates the Safe torque off (STO) function. 2. The drive opens the main contactor/breaker, which disconnects the input power from the drive. - Page 17 Description of option +Q951+Q984 17 Emergency stop button Emergency stop reset button with indicator light Supply unit Inverter unit which contains inverter module(s) T11.x Inverter module Relay contact for the push button fault indication signal (for user-defined use). If there is a fault in a push button circuit, the main monitoring relay opens the relay contact.
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Page 18: Acs880-07Lc Drives
18 Description of option +Q951+Q984 ACS880-07LC drives ￭ -A41 -A41 -A41 -T11.x -T11.x -T11.x XSTO XSTO XSTO -X51 B -X51 B -X51 B -X52 B -X52 B -X52 B XSTO XSTO XSTO .OUT .OUT .OUT -S62 -S62 SGND SGND SGND... - Page 19 Description of option +Q951+Q984 19 User-defined push buttons Connection to parallel inverter modules (if any) Main circuit Step Operation Initial status: The drive is in operation and the motor is running. The user pushes the emergency stop button [S61] or a user-defined push button. This activates the emergency stop function.
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Page 20: Acs880-17Lc/37Lc Drives
20 Description of option +Q951+Q984 ACS880-17LC/37LC drives ￭ -A41 -A41 -A41 -T11.x -T11.x -T11.x XSTO XSTO XSTO -X51 B -X51 B -X51 B -X52 B -X52 B -X52 B XSTO XSTO XSTO .OUT .OUT .OUT -S62 -S62 SGND SGND SGND... - Page 21 Description of option +Q951+Q984 21 Fault signal connection between main monitoring relay and push button monitoring relays User-defined push buttons Connection to parallel inverter modules (if any) Main circuit Step Operation Initial status: The drive is in operation and the motor is running.
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Page 22: Acs880 Multidrives
22 Description of option +Q951+Q984 ACS880 multidrives ￭ The figure shows a simplified operation principle. The implementation of the main contactor/breaker [Qx] and charging circuit can be different than shown in the figure. For a detailed description, refer to the circuit diagrams delivered with the drive. -
Page 23: Fault Reaction Function
Description of option +Q951+Q984 23 24 V power supply Relay contact for the push button fault indication signal (for user-defined use). If there is a fault in a push button circuit, the main monitoring relay opens the relay contact. Fault signal connection between main monitoring relay and push button monitoring relays... -
Page 24: Parameter Settings
Selects which indications are given when the Safe torque off run/stop (STO) function is activated. Warning/Warning is the recom- mended setting. 1) Value set by ABB at the factory for the default design. The parameter settings in the ACS880 supply control programs: Name Description Default value 121.04... -
Page 25: Hardware Settings
Description of option +Q951+Q984 25 Hardware settings ABB sets the hardware settings for the safety function at the factory. Do not change these settings. ACS880-07CLC drives ￭ The emergency stop safety relay [A640] is set to the manual reset mode at the factory. -
Page 27: Description Of Option +Q952+Q984
Description of option +Q952+Q984 27 Description of option +Q952+Q984 Contents of this chapter This chapter contains a description of the safety function. This chapter also shows the settings related to the safety function. Overview The emergency stop function with push button monitoring (option +Q952+Q984) corresponds to a controlled stop in accordance with stop category 1. -
Page 28: Operation Principle
28 Description of option +Q952+Q984 When the drive receives the emergency stop command: 1. The drive decelerates the motor to zero speed according to a user-defined ramp time. Zero speed is a user-defined parameter setting. 2. ACS880-07LC/17LC/37LC drives: The drive activates the Safe torque off (STO) function. 3. - Page 29 Description of option +Q952+Q984 29 A412.X Digital I/O extension module A641 Main monitoring relay for the push buttons A642 … A64x Push button monitoring relay Timer relay K62.1 … K62.3 Safety relays Main contactor/breaker R1, R2 Push button resistors Emergency stop button Emergency stop reset button with indicator light Supply unit Inverter unit which contains inverter module(s)
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Page 30: Acs880-17Lc/37Lc Drives
30 Description of option +Q952+Q984 Step Operation Normal operation resumes after the user: •releases the emergency stop button [S61] to normal (up) position •pushes the emergency stop reset button [S62] for 0.1 … 3 seconds to reset the emergency stop circuit •resets the drive (if the drive tripped on a fault) •makes sure that the drive receives the start signal (depends on the configuration, see the firmware... - Page 31 Description of option +Q952+Q984 31 A642 … A64x Push button monitoring relay Timer relay K62.1 … K62.3 Safety relays Main contactor/breaker Charging contactor R1, R2 Push button resistors Emergency stop button Emergency stop reset button with indicator light Supply unit Inverter unit which contains inverter module(s) T11.x Inverter module...
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Page 32: Acs880 Multidrives
32 Description of option +Q952+Q984 Step Operation Normal operation resumes after the user: •releases the emergency stop button [S61] to normal (up) position •pushes the emergency stop reset button [S62] for 0.1 … 3 seconds to reset the emergency stop circuit •resets the drive (if the drive tripped on a fault) •makes sure that the drive receives the start signal (depends on the configuration, see the firmware... - Page 33 Description of option +Q952+Q984 33 Supply control unit Emergency stop safety relay with delay contacts A641 Main monitoring relay for the push buttons A642 … A64x Push button monitoring relays Circuit protection switch Timer relay K63 … K6x Safety relays Main contactor/breaker Charging contactor R1, R2...
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Page 34: Fault Reaction Function
34 Description of option +Q952+Q984 Step Operation The emergency stop reset button indicator light [S62] comes on. Normal operation resumes after the user: •releases the emergency stop button [S61] or the user-defined button to the normal (up) position •pushes the emergency stop reset button [S62] for 0.1 … 3 seconds to reset the emergency stop circuit •closes the main contactor/breaker [Qx] •makes sure that the inverter units receive the start signals (depends on the configuration, see the... - Page 35 (STO) function is activated. Warning/Warning is the recom- mended setting. 1) Value set by ABB at the factory for the default design. The table that follows gives the parameters in the ACS880 primary control program that you must set according to application requirements. Make sure that the selected values agree with the time delay settings of the emergency stop safety relay [A61].
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Page 36: Acs880 Multidrives
Selects the source of the emergency stop signal. stop source 1) Value set by ABB at the factory for the default design. 2) Delivery-specific. Refer to the circuit diagrams. The table that follows gives the parameters in the ACS880 primary control program that you must set according to application requirements. -
Page 37: Hardware Settings
Description of option +Q952+Q984 37 Hardware settings Emergency stop safety relay ￭ The time delay on the emergency stop safety relay [A61] is adjustable. Set the delay according to the application requirements. Make sure that the delay is slightly longer than the emergency stop deceleration time defined by drive parameter 23.23 Emergency stop time. -
Page 39: Electrical Installation
Note: The safety system and all user-made connections are on the user's responsibility. Connecting the user-defined push buttons ￭ Obey the rules below: • Use buttons that are suitable for the application. • Use shielded, twisted-pair cable. ABB recommends gold-plated contacts in the buttons. -
Page 40: Connecting The Push Button Fault Indication
40 Electrical installation Installation procedure: 1. Stop the drive and do the steps in section Electrical safety precautions (page 9) before you start the work. 2. Connect the push buttons with the resistors to the terminal blocks. Refer to the circuit diagrams delivered with the drive. -
Page 41: Use Of The Safety Function
Use of the safety function 41 Use of the safety function Contents of this chapter This chapter describes the use of the safety function with factory default settings. Activating the safety function Activation procedure: 1. Push the emergency stop button [S61] or a user-defined push button. The emergency stop is activated. -
Page 42: Resetting The Safety Function
42 Use of the safety function Resetting the safety function WARNING! Make sure that the drive does not start accidentally. This can occur after the reset of the safety function, if a level-triggered start command and the start enable signal are on at the same time. -
Page 43: Start-Up And Validation Test
Start-up and validation test 43 Start-up and validation test Contents of this chapter This chapter describes the start-up, validation test procedure, and validation of the safety function. Validation of the safety functions You must do a validation test to make sure that the safety function operates correctly and according to the safety requirements. -
Page 44: Validation Test Reports
44 Start-up and validation test • you must document all validation tests • you must sign and store the validation test report for further reference. Validation test reports ￭ You must store the signed validation test reports in the logbook of the machine. The report must include, as required by the referred standards: •... - Page 45 Make sure that the parameter settings related to the safety functions are set as defined in the option- specific chapter. Validation test ABB recommends that you monitor at least these signals with the Drive composer PC tool: •01.01 Motor speed used (rpm) •01.02 Motor speed estimated (rpm) •01.07 Motor current (A)
- Page 46 46 Start-up and validation test Action Repeat the test from each operating location (for every emergency stop button and push button). WARNING! Do not power up the drive too frequently. The maximum number of drive power cycles is 5 times in 10 minutes. Power cycling the drive too frequently can cause damage to the charging circuit of the DC capacitors.
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Page 47: Fault Tracing
• Safe torque off 2 loss (FA82) For more information, see the hardware and firmware manuals. Emergency stop safety relay ACS880-07CLC drives with option +Q951+Q984 ￭ The type of the emergency stop safety relay [A640] is Phoenix Contact PSR-MC34. This table gives the indications of the Phoenix Contact PSR-MC34 relay:... -
Page 48: Acs880-07Lc/17Lc/37Lc Drives And Acs880 Multidrives With Option +Q951+Q984
For more fault tracing possibilities, see the hardware and firmware manuals of the drive. ACS880-07LC/17LC/37LC drives and ACS880 multidrives with option ￭ +Q951+Q984 The type of the emergency stop safety relay [A61] is DOLD LG 5925. This table gives the indications of the DOLD LG 5925 relay:... -
Page 49: Monitoring Relays
Fault tracing 49 If there are external errors, the K1/K2 LED shows an error code by flashing. This figure describes the K1/K2 LED indications. Potentiometer or adjustment failure Line fault across start button Wiring fault Simultaneity error For more information, see the data sheet of the relay (www.dold.com). To reset the emergency stop safety relay [A61] after fault situations, switch off the external power supply of the relay and then switch it back on. -
Page 51: Maintenance
If you change the wiring or a component after the start-up, or restore parameters to their factory default values: • Use only ABB-approved spare parts. • Register the change to the change log for the safety circuit. • If parameters were restored to the factory default values: Set the parameters related to the safety function. -
Page 52: Safety Components
The remaining mission time of the whole circuit is however determined by its oldest component. Contact your local ABB service representative for more information. Competence The person who does the maintenance and proof test activities of the safety function must be a competent person with expertise and knowledge of the safety function and functional safety. -
Page 53: Technical Data
Technical data 53 Technical data Contents of this chapter This chapter contains technical data on the safety function. Operation delays Emergency stop total delay: less than 250 ms. Mission time The mission times (T ) of the safety circuit components are as follows: •... -
Page 55: 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 found by navigating to www.abb.com/searchchannels. - Page 56 3AXD50000328659B © Copyright 2020 ABB. All rights reserved. Specifications subject to change without notice.