Connectors
AWG/MCMISO cross-section [mm²]
Value Equivalent cross-section [mm²]
25 4 21,2
35 2 33,6
50 0 53,5
70 00 67,4
95 000 85,0
– 0000 107,2
120 250 MCM 127
Note
The line corresponds to a value when the connection possibilities are taken into account.
7.2.1 Motor Cable
DANGER
Dangerous shock currents
connect the motor housing to the ground of the machine or
connect the ground terminal of the motor connector to the central ground
point of the machine.
→ Consider the following with regard to shielding: Always use shielded
motor cables.
NOTICE
Disturbing ground loops
Incorrect connection of protective earth connections in motor cables may cause disturb-
ing ground loops and malfunction of the motor.
→ The described measures prevent disturbing ground loops.
→ Connect the protective earth conductors additionally led in motor cables directly to
the shield line and label them with or PE.
→ If the procedure turns out to be impracticable, omit the earth conductor connection
in the motor cables and wire a separate earth conductor in parallel to the motor ca-
bles..
→ Ensure to return the cable to the drive! Do not wire the cable with another ground
loop.
Use shielded cables for the motor in order to keep interference as low as possible.
The cable shield must be connected large-area with 360° shield termination. In addition,
the motor cable should be as short as possible to reduce electromagnetic radiation and
capacitive currents.
32 Drive Amplifier SD4B - Hardware Description
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