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Hybrid cable length vs. KCU performance
The maximum allowed hybrid cable length of a drive line can be determined
using the power required by the servo drives.
You can operate a maximum of 30 KSM/KMS at one KCU.
Install an additional KCU, if you would like to operate more than
30 KSM/KMS.
In the following paragraphs, we distinguish 3 cases:
A:
Servo drives evenly distributed over the entire drive line
The servo drives are evenly distributed over the entire length of the drive line.
The cables between the individual servo drives all have the same length.
B:
Servo drives evenly distributed at the end of the drive line
The servo drives are arranged at the end of the drive line and interconnected
with short cables (1 m).
C:
Servo drives evenly distributed starting at 20% of the drive line
The first servo drive is arranged at 20% of the length of the entire drive line.
After this, the servo drives are evenly distributed up to the end of the drive
line.
The figure below shows the maximum allowed hybrid cable length of a drive
line depending on P
42V
(P
42V
= KCU output X53 load).
Bosch Rexroth AG
DOK-INDRV*-KCU02+KSM02-PR03-EN-P
208/337
Rexroth IndraDrive Mi Drive Systems with KCU02 KSM02, KMS02/03, KMV03, KNK03
Notes on project planning
LSA Control S.L. www.lsa-control.com [email protected] (+34) 960 62 43 01