4.5.6
Technical Specifications
Important for the USA and Canada
The following approvals have been obtained:
UL Recognition Mark
Underwriters Laboratories (UL) to
Standard UL 508, Report E 116536
CSA Certification Mark
Canadian Standard Association (CSA) to
Standard C 22.2 No. 142, Report LR 63534
Safety specifications
The power supply unit complies with standard
VDE 0160.
Input
Rated input voltage U
EN
24 V DC +25 %/-16.66 %
Undervoltage signal U
E
≤
20 V DC
Input current I
EN
at rated load and U
EN
= 24 V DC
4.8 A DC
Inrush current peak I
Emax
100 A
I
2
t-value of inrush current
20 A
2
s
Efficiency at rated load and U
EN
= 20 V
without fan
with fan
0.71 typical
0.60 typical
Stored energy time for power failure
> 5 ms
Input fuse
6 A fast, 250 V, 6.3 x 32 mm
Output 1
Rated output voltage U
AN1
5.1 V DC +/-0.5 %
Rated output current I
AN1
10 A DC
Ripple
≤
1 % of U
A1
Static voltage tolerances
at 10 % load variation
at 5 % variation of U
E
at temperature variation/1K
≤
0.02 % of U
A1
≤
0.04 % of U
A1
≤
0.02 % of U
A1
Dynamic voltage tolerances
at load surge from 50 % to 100 %
overshoot
settling time
≤
5 % of U
A1
≤
5 ms
Protection and monitoring
Overvoltage shutdown U
A1
Undervoltage signal U
A1
Current limiting for overload
6 V
±
5%
4.75 V + 5%
1.05 to 1.15 I
AN1
Test sockets for U
A1
I
A1
On front plate
On front plate (3 V = 10 A)
Linearity range 0.5 V/1.6 A to 3 V/10 A
Signalling section
Signals for SIMATIC S5
6ES5 955-3NA12 Power Supply Unit
System Manual
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C79000-B8576-C199-03
