Stress Caused By Contaminants - Siemens Sinumerik 840D Series Function Manual

02.99
10.03
5.3.3

Stress caused by contaminants

Relevant
standards
Function-impairing
dust
 Siemens AG, 2003. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
DIN 40046, parts 36 and 37
Table 5-10 Function-impairing gases
Sulfur dioxide (SO )
2
Test conditions:
Hydrogen sulfide (H S)
2
Test conditions:
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.
5 Hardware Drive Functions
3
Degree of severity
10 cm
25 °C "2 °C
Temperature
75% "5%
Relative humidity
Test duration 4 days
3
Degree of severity
1 cm /m
25 °C "2 °C
Temperature
75% "5%
Relative humidity
Test duration 4 days
5.3 Notes
"0.3 cm
3 3 3
/m /m
"0.3 cm
3 3 3
/m
J
5-187