Siemens Sinumerik 840D Series - Stress Caused by Contaminants

10.03
5.3 Notes
5-187
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SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
5.3.3 Stress caused by contaminants
DIN 40046, parts 36 and 37
Table 5-10 Function-impairing gases
Sulfur dioxide (SO
2
)
Test conditions:
Degree of severity
10 cm
3
/m
3
0.3 cm
3
/m
3
Temperature
25 °C 2 °C
Relative humidity
75% 5%
Test duration 4 days
Hydrogen sulfide (H
2
S)
Test conditions:
Degree of severity
1 cm
3
/m
3
0.3 cm
3
/m
3
Temperature
25 °C 2 °C
Relative humidity
75% 5%
Test duration 4 days
When working in areas where there is an unacceptably high dust hazard, the
control must be operated in a cabinet with a heat exchanger or in a cabinet with
a suitable air intake.
J
Relevant
standards
Function-impairing
dust
5 Hardware Drive Functions
02.99