Concept of the HIMA PES
6
H41q-HR / H51q-HR
Redundant central modules and two channel I/O bus for highly available PES.
H41q-HRS / H51q-HRS with double processors, safety-related
redundant central modules and redundant I/O bus for highly available and safety-related PES
with TÜV certificate up to SIL 3 according to IEC 61508
Remarks to the drawings:
CU = central module
I/O modules = input / output modules
I/O bus = bus system for inputs and outputs
DPR = Dual Port RAM
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