Siemens simovert masterdrives Betriebsanleitung Seite 289

06.2006
NOTE
Rating plate
Date of manufacture
Siemens AG
SIMOVERT MASTERDRIVES
Downloaded from www.Manualslib.com
The derating of the permissible rated current for installation altitudes of
over 1000 m and at ambient temperatures below 40 °C is calculated as
follows:
Total derating = Derating
K = K x K
1 2
It must be borne in mind that total derating must not be greater than 1!
Example:
Fig. 11-2
The date of manufacture can be derived as follows:
Character
U
V
W
X
Table 11-2
6SE7087-6KN50
Operating Instructions
manuals search engine
x Derating
altitude
Altitude: 3000 m
Ambient temperature: 35 °C
⇒ Total derating = 0.845 x 1.125 = 0.95
Rating plate
Year of manufacture: Character
2006 1 to 9
2007
2008
2009
Assignment of characters to the month and year of manufacture
Technical Data
ambient temperature
K = 0.845
1
K = 1.125
2
Unit designation
List of unit options
Year of manufacture
Month of manufacture
Month of manufacture
January to September
O October
N November
D December
11-3