Examples of the labels are shown below.
Type designation.1
Frame size.2
Degree of protection; additional UL/CSA specifications.3
Ratings. The labels show ratings for inverter module (INVERTER), IGBT supply module (LINE CON-
VERTER), brake chopper module (BRAKE CHOPPER), regenerative rectifier module (REGENERATIVE
RECTIFIER) and DC/DC converter module (DC/DC CONVERTER).
4
Valid markings.5
Serial number. The first digit refers to the manufacturing plant. The next four digits indicate
manufacturing year and week respectively (yyww). The remaining digits complete the serial number
so that there are no two units with the same number.
6
Product information7
36 Operation principle and hardware description
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