ATEX Retractor System TANKO-RT/-RTS
8 Faults
Translation - Operating/installation instructions 2020/01
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8.3
What to do in an Emergency
If a hazardous situation occurs, or if you need to avert a potential danger, quickly switch the device to
a safe state.
The type of EMERGENCY STOP circuit used for the device is to be determined depending on the hazards
and operating conditions and is the sole responsibility of the owner.
It is for this reason that AWH can offer the owner, solely as a precautionary measure, a few points of
reference and notes to be observed and to be integrated into the owner's hazard assessments.
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The work steps for switching off the device listed in
Section 7.3
adhered to.
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The EMERGENCY STOP circuit must be designed in such a way that the machine or system operator
can actuate it immediately in the event of an emergency.
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Switching off in an emergency (“EMERGENCY STOP”) is intended to disconnect the entire machine
from the power supply without delay in order to eliminate the risks caused by electrical voltage
immediately.
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Shutting down in an emergency (“EMERGENCY STOP”) is intended to prevent risks that cause
hazardous movements as soon as possible.
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The EMERGENCY STOP must have priority over all other functions and actuations in all operating
modes.
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Resetting must not cause the plant/machine to start up again.
Source:
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EN 60204-1 / VDE 0113-1 “Safety of machinery – Electrical equipment of machines –
Part 1: General requirements”
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EN ISO 13850: “Safety of machinery - Emergency stop - Principles for design”
In an Emergency:
Trigger the EMERGENCY STOP function at the higher-level plant/machine.
Actuate the EMERGENCY STOP switch
Interrupt the drive energy supply
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Disconnect the power supply (e.g. electric actuator)
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Switch off higher-level main switch
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Pull out the power plug
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Close the compressed air shut-off valve (e.g. pneumatic actuator)
Disconnect the supply of cleaning medium (actuator energy)
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Close the shut-off valve