MDD 121-1
10.03.2021 Page 7
2.3 Safety Instructions
The safety instructions must be read before installation and set-up of
the servo drive system, to prevent injury or material damage. It is
fundamental that the technical data and information for connection
requirements be followed (on the nameplate and in the documentation).
Only qualified personnel are permitted to perform activities such as
transport, installation, setup and maintenance. Properly qualified
persons are those who are familiar with the transport, assembly,
installation, setup and operation of the product.
The manufacturer of the machine must generate a safety analysis for
the entire machine. The manufacturer has to take appropriate measures
to ensure that unforeseen movements cannot cause injury or
equipment damage.
Inappropriate handling of the servo drive system or ignoring the
warnings below and inappropriate engagement in the safety
arrangement can result in equipment damage, personal injury, electric
shock or death in an extreme situation.
Annotations
Danger! Shock current
Wait at least 7 minutes after disconnecting the servo drive system from the
mains supply voltage before touching live sections of the equipment (e.g.
contacts) or undoing connections. Capacitors can still have dangerous
voltages levels for up to 7 minutes after switching off the supply voltages. To
be sure, measure the voltage in the DC-link circuit and wait until it has fallen
below 40 V.
Never remove the electrical connections to the servo drive system while it is
under voltage.
There is a danger of electrical arcing with damage to contacts and danger to
personnel.
If a leakage current sensor is used in the mains supply of the servo drive
system, a leakage current sensor RCD type B must be used.
If a RCD type A or AC is used, there is a risk, that the DC ground current of
the servo drive will inhibit the leakage current sensor.
Failure to follow any one of these instructions will result in death,
serious injury or equipment damage.
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