Fig. 4-11: Typical Operating And Storage Conditions Of The Hard Disk; Fig. 4-12: Service Life Of The Fan - Bosch Rexroth BTV 16 Project Planning Manual

4-6
Technical Data
• Hard disk: The hard disk is an electromechanic wear part that has to
be changed during the operating time. According to the manufacturer's
specifications the hard disk has been developed for a service life of 60
months in consideration of the following conditions:
Operating hours / month
Input/output cycles / month
Operating conditions
Storage conditions
Fig. 4-11: Typical operating and storage conditions of the hard disk
The operation out of this typical conditions is permissible, whereby,
however, the service life of the hard disk may be reduced. However,
the ambient conditions specified for the overall device in chapter 4.5
have to be absolutely kept.
• Also fans are mechanic wear components, whose service life is
extremely temperature-dependent. For the fan integrated in the
housing the manufacturer specifies the following service life:
Ambient temperature
40 °C
70 °C
Fig. 4-12: Service life of the fan
Max. 333
Min. 10 and max. 150
Temperature 40 °C
Rel. humidity 30 %
Height < 500 m
Accesses 30 % of the operating hours
Temperature < 30 °C
Rel. humidity < 70 %
Duration < 3 months
Service life
70,000 hours
35,000 hours
DOK-SUPPL*-BTV16/40***-PR02-EN-P
BTV 16/40