Siemens SIMATIC PANEL PC 877 - Manual (Page 176)

Technical data
15.1 General technical data
SIMATIC Panel PC 877
15-6
Operating instructions, Release 07/2006, A5E00877780-01
General technical data
Safety
Protection class
Protection class I to IEC 60536, i.e.: Device with PE ground terminal
Standards IEC 60950-1, EN 60950-1, DIN EN 60950-1, EN 61131-2
Approvals AC device: cULus in accordance with UL 60950-1
DC device: cULus in accordance with UL 508
Conformity CE
With clamp attachment, encircling seal and pressed-on plastic cap for
USB interface 5)
IP 65, NEMA 4 Degree of protection
With screw attachment IP 54
Liability of product
nonconformance
24 months
Quality assurance to ISO 9001
1) Limitations for optical drives:
Burner operation is only allowed without external disruptions and at an ambient temperature
between +5° C and +40° C.
2) Limitation for optical drives:
10 to 58 Hz: 0.019 mm / 58 to 500 Hz: 2.5 m/s 2 approx. 1/4 g. Burner operation is only
allowed without external disruptions.
3) Electrically isolated within the safety extra-low voltage circuit, SELV.
4) A small number of faults in the display is unavoidable. However, the displays do comply
with the described quality standards of the ISO stanard 13406-2, class 2.
Bad pixels Permissible number
Permanently bright and permanently dark pixels ≤ 12
Permanently bright, green pixels ≤ 5
5) The front USB interface cannot be used in some device variants.
6) USB 2.0 standard.