Approvals
CP 1242-7
Operating Instructions, 09/2011, C79000-G8976-C247-02
83
Environmental conditions - operation
Ambient temperatures / air humidity
(inlet air 25 mm below device)
0 °C to 55 °C for horizontal installation of the rack
0 °C to 45 °C for vertical installation of the rack
95% relative humidity, non-condensing
Atmospheric pressure
1080 to 795 hPa (corresponding to an altitude of -1000 to 2000 m)
EN 60068-2-14, Test Nb, temperature change
5°C to 55°C, 3°C/minute
EN 60068-2-27 Mechanical shock
15 g, 11 ms pulse, 3 positive and 3 negative shocks in each of the 3
axes (half sine)
EN 60068-2-6 Sinusoidal vibration
DIN rail mount: 7 mm from 5 to 8.51 Hz, 10 m/s
2
from 8.51 to 150 Hz,
1 octave/minute
High voltage isolation test
Circuit with 24 V/5 V rated voltage
520 VDC (type test of optical electrical isolation limits)
Protection class
●
Protection class III according to EN 60950-1 (protective conductor not required)
Degree of protection
●
Mechanical protection to EN 60529: IP20
Protects against finger contact with high voltage as tested by standard probe. External
protection required for dust, dirt, water and foreign objects of < 12.5 mm in diameter.
Rated voltage
Rated voltage
Tolerance
24 V DC
20.4 V DC to 28.8 V DC
Other approvals
The S7-1200 products are regularly submitted to the relevant authorities for approvals
relating to specific markets and applications. If you require a list of the current approvals for
individual devices, consult your Siemens contact.
