12.95
2.2 Ambient climatic and mechanical conditions
2-36
E Siemens AG, 2002. All rights reserved
SINUMERIK 810D Manual Hardware Configuration (PHC) -- 11.02 Edition
Table 2-10 Ambient mechanical conditions
Vibratory load (according
to IEC 68-2-6)
Frequency range
10–58Hz
over 58–200Hz
Const. displacement
0.075mm
Ampl. of acceleration
9.8m/sec
2
Shock load (test group E,
test Ea according to IEC 68,
Part 2--27)
Acceleration 15m/sec
2
Acceleration for visual
display units
2m/sec
2
Duration of nominal shock 11msec/30ms for drive units
Acceleration for drive unit
components
5m/sec
2
2.2.3 Exposure to contaminants
Table 2-11 Gases liable to impair functionality
Sulfur dioxide (SO
2
)
(to IEC 68-2-42)
Severity 10 cm
3
/m
3
Temperature
25C 2C
Relative humidity
75% 5%
Test duration 10 days
Hydrogen sulfide (H
2
S)
(to IEC 68-2-43)
Severity 1cm
3
/m
3
Temperature
25C 2C
Relative humidity
75% 5%
Test duration 10 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.
Maximum permissible dust content in cabinet ventilation:
-- Suspended proportion 0.2 mg/m
3
-- Deposit 1.5 mg/m
2
/h.
Dust h azards
2In