Siemens PC 870 - Manual (Page 40)

Appendix A: Technical Data
A-2
SIMATIC Panel PC 670 / 870 Operating Unit, Equipment Manual
Edition 07/01
Interfaces
USB 1 x front panel *), 1 x rear panel (internal connection to the computing unit)
Safety
Protection class Conforms to VDE 0106 T1: 1982 (IEC 536)
Degree of protection a. with screw fixing IP 54 g
b.
with clamp fixing, gasket and inserted rubber plug for
USB interface
IP 65
c.
touchscreen version without front-side USB interface,
with clamp fixing and gasket NEMA 4 and IP 65,
indoor use only
Safety regulations IEC, corresponding to DIN VDE 0805/11.93
Electromagnetic compatibility CE, EN 50081-2, EN 50081 (EN 55022), IEC 1000-4-2,
IEC 1000-4-4, IEC 1000-4-5, ENV 50140, ENV 50204
Certification CE, UL 508/CSA, FCC
Power supply Typically approx. 13 W, max. approx. 21 W
Oscillation load in operation 10 to58 Hz: 0.075 mm, 58 to 500 Hz: 1 g
tested to DIN IEC 68-2-6
Shock load in operation 50 m/s 2 , 30 ms, 100 shocks
tested to DIN IEC 68-2-29
Ambient conditions
Heat dissipation by natural convection
Temperature limit values
– in operation
– in storage/transport
5
°
C ... 45
°
C
–20
°
C ... 60
°
C
tested to DIN EN 60068-2-2: 1994, DIN IEC 68-2-1, DIN IEC 68-2-14
Limit values for rel. humidity
– in operation
– in storage/transport
5 ... 80 % at 25 ° C
5 ... 95 % at 25
°
C
tested to DIN IEC 68-2-3, DIN IEC 68-2-30, DIN IEC 68-2-56
Temperature variation max. 10 K/h
Mositure condensation not permissible
Intake air without aggressive gases
Warranty period 24 months
___________________________________________________________________
*) not for NEMA-standard versions (see “Degree of protection”, version c.)