Work Instructions And Safety Precautions - Festo Emergency Light Controller EduTrainer Manual De Instrucciones

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5 Work Instructions and Safety Precautions

General
Trainees should only work with the circuits under the supervision of an instructor.
Observe the specifications included in the technical data for the individual components, and in
particular all safety instructions!
Malfunctions which may impair safety must not be generated.
Wear personal safety equipment (safety glasses, safety shoes) when working on circuits.
Electrical system
Risk of death in case of interrupted protective earth conductor!
The PE conductor (yellow-green) must not be interrupted, either inside or outside of the device.
The insulation of the protective conductor must never be damaged or removed.
Risk of death from series connection of power supply units!
Contact voltages of > 25 V AC or > 60 V DC are not permissible.
Coming into contact with voltages > 50 V AC or 120 V DC may be fatal.
Do not connect voltage sources in series.
Risk of death due to electric shock!
Protect the outputs of the devices (output sockets/terminals) and the cables connected to them from
direct contact.
Only use cables with adequate insulation and electric strength.
Use safety sockets with fully shrouded contact points.
Disconnect from all sources of electrical power!
Switch off the power supply before working on the circuit.
Please note that electrical energy may be stored in individual components.
Further information on this issue is available in the data sheets and operating instructions included
with the components.
Caution!
Capacitors inside the device may still be charged even after being disconnected from all sources of
voltage.
Establishing and disconnecting electrical connections
Electrical connections may only be established in the absence of voltage.
Electrical connections may only be disconnected in the absence of voltage.
The device may only be operated using a power supply with a PE conductor.
Maximum permissible current loads for cables and devices must not be exceeded.
Always compare the current ratings of the device, the cable and the fuse.
If these are not the same, use a separate upstream fuse in order to provide appropriate overcurrent
protection.
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