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IMPULSE•G+ Mini Advanced Instruction Manual - March 2014
3-7
Safe Disable Function
The Safe Disable Function can be utilized to perform a safe stop according to the EN60204-1, stop
category 0 (uncontrolled stop by power removal). It is designed to meet the requirements of the
EN954-1, Safety Category 3 and EN61508, SIL2.
Removing the voltage from terminal H1 disables the drive output, i.e. the power supply to the motor
is cut by stopping the switching of the output transistors in a safe way. “Hbb” is shown on the
display. Safe Disable is applicable for induction and permanent magnet motors.
Installation
If the Safe Disable function is utilized, the wire link between the terminals HC and H1 that is
installed at shipment must be removed entirely.
Connect the drive to an EN954-1, Safety Category 3 interrupting device so that in case of a Safe
Disable request, the connection between the terminals HC and H1 is opened.
Figure 3-2: Safe Disable Wiring Example
Installation Precautions:
•
To ensure the Safe Disable function appropriately fulfills the safety requirements of the
application a thorough risk assessment for the safety system must be carried out.
•
The drive must be installed in an enclosure with a protection degree of at least IP54 in order to
maintain EN954-1, safety category 3 compliance.
•
If the safety device and the drive are installed in separate cabinets, install the Safe Disable wires
in a manner preventing short circuits.
•
The Safe Disable function does not cut the power supply to the drive and does not provide
electrical isolation. Before any installation or maintenance work is done, the power supply of the
drive must be switched off.
•
The wiring distance for the Safe Disable inputs should not exceed 30 m (98 ft).
•
The time from opening the Safe Disable input until the drive output is switched off is less than 1
ms.
•
When utilizing the Safe Disable function use the recommended filters manufactured by
Schaffner only.
Summary of Contents for 2001-G+M
Page 2: ......
Page 9: ...C h a p t e r 1 Introduction...
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Page 17: ...C h a p t e r 2 Installation...
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Page 25: ...C h a p t e r 3 Wiring...
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Page 39: ...C h a p t e r 4 Getting Started...
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Page 61: ...C h a p t e r 5 Programming Features...
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Page 153: ...Troubleshooting IMPULSE G Mini C h a p t e r 6...
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