Phoenix Contact PSRmodular - Figure 5-169: Data Flow Network Diagram for the NETWORK Application Ex; Figure 5-170: Logic Block Diagram of the Network Safety Function; Figure 5-172: Data Flow Network Diagram for the NETWORK Application Ex

PSRmodular system
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PHOENIX CONTACT 109241_en_03
Figure 5-169 Data flow network diagram for the “NETWORK” application example for
category 2 (ISO 13849-1)
Figure 5-170 Logic block diagram of the network safety function
Network parameters for calculating the PL
Architecture: Cat. 2
Diagnostic coverage: DC = 90%
Reliable PSR-M-B1 module: MTTF
d
= 437 (years)
Network signal
Network signal
Emergency Stop
Reset
Net_in
n°1
PSR-M-B2
Net_inNet_out Net_out
Net_inNet_outNet_inNet_out
O3 O3
Reset
Reset Reset
Emergency Stop
O1
O2
O1
O2
O1
O2
O1
O2
Emergency Stop Emergency Stop
n°2
PSR-M-B2
n°3
PSR-M-B2
n°4
PSR-M-B2
O3
O3
PSR-M-B2
1
INPUT OUTPUT
PSR-M-B2
2
PSR-M-B2
3
PSR-M-B2
4
LOGIC (NET)