38 / 157 V3.3 11.07.2007 KRC-AD-KRC2ed05-BA en
KR C2 edition05
LED The LEDs on the servo drive modules indicate the operating status and any
faults that may be present. (>>> 11.9 "Error messages on the KSD"
page 115)
2.7.5 Mains filter
Description The task of the mains filter (suppressor filter) consists of:
allowing 50 Hz / 60 Hz signals to pass through unimpeded
suppressing conducted interference voltages
In the robot controller, the conducted interference voltages mainly emerge
from the KPS600 and would spread throughout the entire power mains without
mains filters.
2.8 Cabinet cooling
Description The control cabinet is divided into two cooling circuits. The inner zone, con-
taining the control electronics, is cooled by a heat exchanger. In the outer
zone, the ballast resistor and the heat sinks of the servo modules and the KPS
are cooled directly by ambient air.
Configuration
Caution!
Upstream installation of filter mats causes an excessive rise in temperature
and hence a reduction in the service life of the installed devices!
Fig. 2-26: Outer cooling circuit
1 Air duct 5 Outer heat exchanger
2 Heat sink of the KSD 6 Mains filter
3 Heat sink of the KPS 7 Outer fan cooling circuit
4 Ballast resistors
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