Moeller Marine AWB2700-1428GB User Manual download pdf (Page 2)

Before commencing the installation

• Disconnect the power supply of the device.

• Ensure that devices cannot be accidentally restarted.

• Verify isolation from the supply.

• Earth and short circuit.

• Cover or enclose neighbouring units that are live.

• Follow the engineering instructions (AWA) of the

device concerned.

• Only suitably qualified personnel in accordance with

EN 50110-1/-2 (VDE 0105 Part 100) may work on

this device/system.

• Before installation and before touching the device ensure

that you are free of electrostatic charge.

• The functional earth (FE) must be connected to the protective

earth (PE) or to the potential equalisation. The system installer

is responsible for implementing this connection.

• Connecting cables and signal lines should be installed so

that inductive or capacitive interference do not impair the

automation functions.

• Install automation devices and related operating elements in

such a way that they are well protected against unintentional

operation.

• Suitable safety hardware and software measures should be

implemented for the I/O interface so that a line or wire

breakage on the signal side does not result in undefined

states in the automation devices.

• Ensure a reliable electrical isolation of the low voltage for the

24 volt supply. Only use power supply units complying with

IEC 60364-4-41 (VDE 0100 Part 410) or HD 384.4.41 S2.

• Deviations of the mains voltage from the rated value must

not exceed the tolerance limits given in the specifications,

otherwise this may cause malfunction and dangerous

operation.

• Emergency stop devices complying with IEC/EN 60204-1 must

be effective in all operating modes of the automation devices.

Unlatching the emergency-stop devices must not cause restart.

• Devices that are designed for mounting in housings or control

cabinets must only be operated and controlled after they have

been installed with the housing closed. Desktop or portable

units must only be operated and controlled in enclosed

housings.

• Measures should be taken to ensure the proper restart of

programs interrupted after a voltage dip or failure. This should

not cause dangerous operating states even for a short time.

If necessary, emergency-stop devices should be implemented.

• Wherever faults in the automation system may cause

damage to persons or property, external measures must be

implemented to ensure a safe operating state in the event of

a fault or malfunction (for example, by means of separate limit

switches, mechanical interlocks etc.).

Moeller GmbH

Safety instructions

Warning!

Dangerous electrical voltage!

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Moeller Marine AWB2700-1428GB User Manual Page 2

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