SEW MOVIAXIS MX, Operating Instructions Manual

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180
Operating Instructions – MOVIAXIS® MX Multi-Axis Servo Inverter
7
Removing / installing a module
Service
7.2 Removing / installing a module
This chapter describes how to replace an axis module in the axis system. The master
module, capacitor module, buffer module, supply module, DC link discharge module and
the 24 V switched mode power supply unit are all installed / removed in the same way.
Safety notes Always adhere to the following safety instructions.
HAZARD
Dangerous voltages may still be present inside the unit and at the terminal strips up to
10 minutes after the complete axis system has been disconnected from the mains.
Severe or fatal injuries from electric shock.
To prevent electric shocks:
• Disconnect the axis system from the mains and wait ten minutes before removing
the protective covers.
• After maintenance work, do not operate the axis system unless you have replaced
the protective cover because the unit only has degree of protection IP00 without
protective cover.
HAZARD
A leakage current > 3.5 mA can occur during operation of the MOVIAXIS
®
MX multi-
axis servo inverter.
Severe or fatal injuries from electric shock.
To prevent electric shock:
• With supply system lead < 10 mm
2
, route a second PE conductor with the same
cross section as the supply system lead via separate terminals. Alternatively, you
can use a PE conductor with a copper cross section
≥
10 mm
2
or aluminum
≥
16 mm
2
.
• With incoming supply line
≥
10 mm
2
, it is sufficient to install a PE conductor with a
cross section copper
≥
10 mm
2
or aluminum
≥
16 mm
2
.
• If an earth leakage circuit breaker can be used for protection against direct and in-
direct contact, it must be universal current sensitive (RCD type B).