Siemens SINAMICS S120 Manual page 307

NOTICE
Limiting of overvoltages
On systems with a grounded phase conductor and a line voltage >600 VAC, line-side
components should be installed to limit overvoltages to overvoltage category II according to
IEC 61800-5-1.
Maximum cable lengths
Table 7- 1
Type
24 VDC power cables
24 V signal cables
Power cable between the Motor Module and motor
when using two motor reactors in series
DRIVE-CLiQ cables
•
•
Power cable between Braking Module and braking resistor
1)
Table 7- 2
DC supply
Weidmüller
Type: PU DS 24 V
Order number: 8682100000
Weidmüller GmbH & Co. KG
Chassis power units
Manual, (GH3), 01/2013, 6SL3097-4AE00-0BP3
Maximum cable lengths
1)
1)
Inside cabinet unit,
e.g. connection between CU320 and the first Motor Module or
between the Motor Modules
DRIVE-CLiQ MOTION-CONNECT connecting cables for
external components
For longer lengths, suitable wiring must be provided by the user for overvoltage protection.
Recommendations for overvoltage protection
Cabinet design and EMC
Maximum length [m]
10
30
300 (shielded)
450 (unshielded)
525 (shielded)
787 (unshielded)
70
100
100
24 V signal cables
Weidmüller
Type no.: MCZ OVP TAZ 24 V
Order number: 8449160000
7.1 Information
305