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27
Electrical Installation
Motor power connection
Use only Unitek approved, electronically commutated synchronous motors (brushless DC
motors, EC motors) with a resolver or an incremental encoder.
See Appendix A (specific motor connection and parametrizing rules).
Use multiple earthing for long motor leads. (e.g. an earth clamp on the machine body every
5 m). Connection sequence, cable cross section, shield connection.
M
o
to
r
co
n
n
e
cti
o
n
Cable indication
PE
M1
M2
M3
Connector
X3:8
X3:3
X3:2
X3:1
Correct wiring is essential !
Type DS
205
403
Cable dim.
mm
2
1
1
Cable dim.
AWG
18
18
Motor cables,
3 wires + simply shielded
protective earth conductor for
600V~, 1000V=, shield capacity
150pF/m. See table for minimum
cross-section
Motor choke.
Only required upwards of a shield
capacity of >5nF. approx. 25m
motor cable.
Shielded connection:
Surface connection at entry to
control cabinet. Surface or as
short as possible connection at
the motor end.
X7
I-Ist1A
I-Ist2A
choke
Motor-
M1
M2
M3
PE
RS/IN
EC
MOTOR
3
DS 205-DS403
X3:8
X3:1
X3:2
X3:3
Feedback
Motor-connector
P
o
w
e
r-
M
o
d
u
l
a. oth.
Содержание DS-205.4
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