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Kollmorgen
Electrical Installation
18
Wiring diagrams can be found in chapter "Wiring Diagrams" from p. 109.
18.1
Safety notes
Only staff qualified and trained in electrical engineering are allowed to wire up the
motor.
Always make sure that the motors are de-energized during assembly and wiring,
i.e. No voltage may be switched on for any piece of equipment which is to be con-
nected. Ensure that the switch cabinet remains turned off (barrier, warning signs
etc.). The individual voltages will only be turned on again during setup.
Never undo the electrical connections to the motor while it is energised. Risk of
electric shock ! A dangerous voltage, resulting from residual charge, can be still
present on the capacitors several minutes after switch-off of the mains supply.
Measure the DC-link voltage and wait until it has fallen below 40V. Even when the
motor is not rotating, control and power leads may be live.
The ground symbol
you must provide an electrical connection, with as large a surface area as possible,
between the unit indicated and the mounting plate in the switch cabinet. This con-
nection is to suppress HF interference and must not be confused with the PE (pro-
tective earth) symbol (protective measure to EN 60204).
To wire up the motor, use the wiring diagrams in the Installation and Setup Instruc-
tions of the servo amplifier which is used.
18.2
Connection of the motors with preassembled cables
l
Carry out the wiring in accordance with the valid standards and regulations.
l
Only use Kollmorgen preassembled shielded cables for the feedback and power
connections.
l
Incorrectly installed shielding leads to EMC interference and has an adverse effect
on system function.
l
The maximum cable length is defined in the instructions manual of the used servo
amplifier.
For a detailed description of preassembled cables, please refer to the accessories
manual.
Servomotors Cartridge DDR
09/2012
X
, which you will find in the wiring diagrams, indicates that
Electrical Installation
English - 47
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