L41, Current Transformer Upstream Of Main Switch - Siemens SINAMICS S120 Manual

Options

9.31 L41, current transformer upstream of main switch

After the script has been successfully executed, message "L40 option successfully
parameterized!" is output.
"No ALM/line filter found message is output! The script execution was interrupted", "Only for
ALM", then the script is in the incorrect folder, or an unknown Active Interface module was
found.
Alarm A06250 is output
If Alarm A06250 "Infeed: Defective capacitor(s) in at least one phase of line filter" is output,
then there is a risk that the line harmonics no longer correspond to the original nominal
values. As a consequence, sensitive devices that are connected to the same line connection
point could be damaged.
Contact the Siemens AG hotline within the next 4 weeks.
9.31 L41, current transformer upstream of main switch
Availability of option
This option is available for the following S120 Cabinet Modules:
● Basic Line Connection Modules
● Active Line Connection Modules
Description
If current transformers are used for measuring or monitoring purposes, they are installed in
the Line Connection Modules with option L41. The current transformers are installed
upstream of the main breaker in all three line phases of the infeed.
The transformers have an accuracy class of 1.0. The secondary current is 1 A maximum.
The measuring connections for the current transformers are routed in the Line Connection
Module to terminal block -X60.
384
Cabinet Modules liquid cooled
Manual, 10/2015, A5E37067587A