14 technical specifications, 1 general specifications, Technical specifications – Siemens Simatic Industrial PC IPC427C User Manual
Page 91

SIMATIC IPC427C
Operating Instructions, 04/2009, A5E02414743-01
91
Technical specifications
14
14.1
General specifications
General specifications
Order numbers
see the order documents
Dimensions
262x142x47 (WxHxD in mm)
Weight
Approximately 2 kg
Supply voltage (DC)
24 VDC
1
(19.2 to 28.8 V)
Brief power failure
according to Namur
min. 15 ms (at 20.4 V)
Max. 10 events per hour; min. 1 s recovery time
Maximum power consumption
4 A (at 24 V)
Noise emission
<40dB (A) to DIN 45635-1
Degree of protection
IP 20 to IEC 60529
Safety
Protection class
Protection class I to IEC 61140
Safety specifications
EN 60950-1; UL 60950; CAN/CSA-C22.2 No. 60950-1; UL 508;
CAN/CSA-C22.2 No. 142 or CAN/CSA-C22.2 No.14-05
Electromagnetic compatibility (EMC)
Emitted interference
EN 61000-6-3 , EN 61000-6-4 , CISPR22:2004 Class B;
FCC Class A
Noise immunity:
Mains borne disturbance variables on supply lines
+/- 2 kV to IEC 61000-4-4; Burst
+/-1 kV to IEC 61000-4-5; surge symmetric
+/- 2 kV to IEC 61000-4-5; Surge asymmetric
Noise immunity on signal lines
± -1 kV to IEC 61000-4-4; Burst; Length < 3 m
± /-2 kV to IEC 61000-4-4; Burst; length > 3 m
± /-2 kV to IEC 61000-4-5; Surge; length > 30 m
Immunity to discharges of static electricity
+/-6 kV contact discharge according to IEC 61000-4-2
-8 kV air discharge according to IEC 61000-4-2
Immunity to RF interference
10 V/m 80 – 1000 MHz and 1.4 - 2 GHz, 80% AM to
IEC 61000-4-3
1 V/m 2 - 2.7 GHz, 80% AM to IEC 61000-4-3
10 V 10 KHz – 80 MHz, 80% AM to IEC 61000-4-6
Magnetic field
100 A/m 50/60 Hz according to IEC 61000-4-8
1
The generation of the 24 DC V supply voltage by the line-side SV must be made as functional extra-low voltage
with safe electrical isolation according to
IEC 60364-4-41 or as SELV in conformity to IEC/UL/EN/DIN-EN 60950-1 and LPS / NEC Class 2.