3.5.13 Redundant fan (option M61)
To increase the plant availability, the drive can be fitted with an additional, redundant fan. If a
fan in the drive cabinet fails, this is detected immediately by the electronic monitoring of the
fan. The redundant fan is connected by the drive controller without this causing the drive and,
in turn, the drive system to fail. This prevents production failures or interruptions. The
replacement of the defective fan can be postponed to the next planned stoppage.
3.5.14 Suitability for marine use (option M66)
The drive design corresponds to the requirements of the following classification societies.
● Lloyds Register
● American Bureau of Shipping
● Germanischer Lloyd
● Bureau Veritas
● Det Norske Veritas•
● Chinese Classification Society
The drive has the following supplementary equipment:
● Salt water resistant paint
● Strengthened mechanical cabinet design
● Handrail below the operator panel
● Mechanical cabinet door locking
● IP44 degree of protection
● Anti-condensation heating
The drive can be welded to the ship's hull plate
3.5.15 Cell bypass (Option U11)
The double submodule can be equipped with a bypass switch to increase the availability of
the drive system. The internal electronics automatically detects a defective double submodule.
The bypass switch is activated without any interruption. As a consequence, even when a fault
occurs, you can continue to operate the drive without any interruption. You can replace the
defective double submodule at the next maintenance interval.
See also
Replacing the double submodule (Page 108)
Description
3.5 Options
SINAMICS SM120 6SL38855?B
46 Operating Instructions 12/2015
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