

Features
Input voltage 115 - 230 VAC (self adjusting), output is elec
trically isolated
Power supply outputs provide:
SA 801 F: 5 V DC / 5 A and 3.3 V DC / 5 A
SA 811 F: 5 V DC / 5.5 A and 3.3 V DC / 6.5 A
Enhanced power-fail prediction and shutdown procedures
LED indication for power supply status and operating
status of the AC 800F
Short circuit proof, current limited
20 ms backup energy for use in the event of primary power
failure, according to NAMUR

Description
The AC 800F modules are supplied with 5 V DC / 5 A and
3.3 V DC / 5 A auxiliary power by the SA 801F or 5 V DC / 5.5 A
and 3.3 V DC / 6.5 A by the SA 811F power supply. The power
supply has open-circuit, overload and sustained short-circuit
protection. The electronically controlled output voltage provides
high stability and low residual ripple.
In case of power loss ≥5 ms, the power supply module gener
ates a power-fail signal. This signal is used by the CPU module
to shut down operations and enter to a safe state. This is re
quired for a controlled restart of the system and the user appli
cation when power is restored. The output voltage remains
within its tolerance limits for at least another 15 ms. Altogether a
mains voltage drop of 20 ms will be managed.
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