Concept of the HIMA PES
5
H41q-M / H51q-M
single channel central module and single channel I/O bus
H41q-MS / H51q-MS
with double processors, safety-related
single channel central module and single channel I/O bus with TÜV certificate up to SIL 3 ac-
cording to IEC 61508
2.2.2 Concept of H41q-H, HS / H51q-H, HS
Figure 3: Concept of H41q-H, HS / H51q-H, HS
H41q-H / H51q-H
redundant central modules and a single channel I/O bus for highly available PES
H41q-HS / H51q-HS with double processors, safety-related
redundant central modules and a single channel I/O bus for highly available and safety related
PES with TÜV certificate up to SIL 3 according to IEC 61508
2.2.3 Concept of H41q-HR, HRS / H51q-HR, HRS
Figure 4: Concept of H41q-HR, HRS / H51q-HR, HRS
I/O bus
I/O bus
CU 2
Input modules
Central module
Output modules
CU 1
DPR DPR
Characteristics
CU redundant
I/O modules mono/
redundant
I/O bus mono
I/O bus
I/O bus
CU 2
Input modules
Central module
Output modules
CU 1
DPR DPR
I/O bus
I/O bus
Characteristics
CU redundant
I/O modules redundant/
mono
I/O bus redundant