HBM WTX110, Руководство по эксплуатации

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Safety instructions
WTX110
A4774-1.0 HBM: public
11
S
If the weighing terminal is connected via mains cable with a plug, the socket
must be located in the immediate vicinity of the device plug. If the con­
nection is permanent, there must be a readily accessible isolating
mechanism present in the supply circuit.
Qualified personnel
Qualified persons means persons entrusted with the installation, fitting,
commissioning and operation of the product who possess the appropriate
qualifications for their function.
This includes people who meet at least one of the three following requirements:
S
They have knowledge of the safety equipment and procedures of measure­
ment and automation systems, and are familiar with them as project
personnel.
S
They are operating personnel of measurement or automation systems and
have been instructed on how to handle the machinery. They are familiar
with the operation of the equipment and technologies described in this
document.
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As commissioning engineers or service engineers, they have successfully
completed the training to repair the automation systems. Moreover, they are
authorized to start up, ground and label circuits and equipment in ac­
cordance with safety engineering standards.
Working safely
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The device must not be directly connected to the power supply system.
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Error messages should only be acknowledged once the cause of the error
has been eradicated and there is no further danger.
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Maintenance and repair work on an open device with the power on may
only be performed by trained personnel who are aware of the dangers
involved.
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Automation equipment and devices must be designed to ensure adequate
protection or locking against inadvertent actuation (e.g. access control,
password protection, etc.).