Installation manual
PSC1-C-10 Installation manual V2.6
Page 36 of 173
Version: 57E
4
Safety-related features
4.1
General layout, safety-related architecture and characteristic data
The internal layout of the PSC1 series comprises two separate channels with mutual result comparison.
High-quality diagnostics are undertaken in each of the two channels for fault detection.
The architecture and principle of operation of the layout corresponds to category 4 in EN ISO 13849-1.
I
A
O
A
L
A
I
B
O
B
L
B
m
m
i
i
c
i
m
i
m
Sensor
PES
Aktuator
S
A
S
B
The overall architecture therefore has the following layout:
Sensor
PES
Aktuator
Double reading of each input and diagnostics by means of cross comparison
You will find the specific safety-related characteristic data for the related modules in the tech.
characteristic data in section 3.
For the safety-related assessment of overall systems, the characteristic data stated in section 3 can be
used for the PES sub-system (e.g. PL e and PFH value according to table for verification as per EN ISO
13849)
