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Standards Compliance
C
C.3 Safe Disable Input Precautions
C.3 Safe Disable Input Precautions
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Safe Disable Function Description
The Safe Disable function can be utilized to perform a safe stop.
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 interrupting device so that in case of a Safe Disable request the
connection between the terminals HC and H1 is opened.
Power Supply
Controller
HC
H1
Safety Device
M
Drive
Figure C.10 Safe Disable Wiring Example
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