Siemens SINUMERIK 840DE User Manual page 30

2 Connection Conditions
2.2 Climatic and mechanical environmental conditions
Mechanical
environmental
conditions
Table 2-5
Vibration
t EN 60068 2 6 to EN 60068–2–6
Shock resistance
t EN 60068 2 27 to EN 60068–2–27
g  9.81 m/s
Gases that can
Degree of severity 3C2 as per EN 60721–3–3
adversely affect
the function
Dust that can
When working in areas where gases, dust and oils may be hazardous to func-
adversely tionality, the controller must be operated in a control cabinet with a heat exchan-
ger or with suitable supply air.
affect the function
Maximum permissible dust contents in the air circulating in the cabinet:
Note
The dust precipitate must be removed at appropriate time intervals.
Radio interference
Relevant standards: EN 61000–6–3 and –4
Table 2-6
Conducted radio interference
Interference radiation
Note
The user must consider interference radiation for the complete system.
Particular attention should be paid to cabling. Please contact your sales
representative for assistance and support.
If compliance with limit class B (residential areas) is required, please contact
your local Siemens office or sales representative.
2-28
Test limits for mechanical environmental conditions
Frequency range
Constant deflection
Acceleration amplitude
Acceleration
Duration of nominal shock
Number of nominal shocks
Shock form
2 (acceleration due to gravity)
– Suspended solids 0.2 mg/m
– Deposits 1.5 mg/m
Limit values for radio interference in industrial environments
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
10 to 58 Hz
0.075 mm
58 to 200 Hz: 1g
5g
30 ms
18 shocks
Half-sine
3
2
/h
Limit class as per EN 61000–6–4
A (industry)
A (industry)
© Siemens AG, 2006. All rights reserved
03.06