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Kollmorgen
8.9.1
DC Bus topology
Without intermediate circuit fuses, other devices can become damaged or destroyed if,
for example, a device fails due to an internal short circuit. If a device fails due to a
short-circuit, only its intermediate fuses are tripped and the rest of the network continues
uninterrupted. Fuses cannot avoid damage by current peaks completely.
Fuse types: see section "Fuses" on page 28.
The solid busbars can conduct large currents. For this reason, almost as many servo
amplifiers as desired can be connected in parallel in this form.
8.9.2
External brake resistor (X8)
An external brake resistor can be connected to X8 (-RB, +RB). Fuse types: see section
"Fuses" on page 28. Information for brake circuit and technical data can be found on
page 31.
If you want to link the DC bus with neighbored S748/772 servo amplifiers, see connection
example on page 66, Chapter "DC Bus link".
—
S748-S772 Instructions Manual
S700
S700
DC
DC
Screw driver for plus-minus-screws (Combiprofile Slotted/Pozidriv) size 2
S748/772
+DC
-DC
11/2018
S700
S700
DC
DC
X8
F
B1
+RB
F
B2
-RB
Electrical installation
S700
S700
DC
R
Bext
DC
67
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