Phoenix Contact PSRmodular - Page 34

PSRmodular system
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PHOENIX CONTACT 109241_en_03
If this is not possible due to the design, another option is to deactivate this monitoring in the
PSRmodular Software (“Proximity interleaved”).
Maximum achievable safety integrity taking connected sensors into consideration
WARNING: Loss of functional safety due to deactivation of “Proximity inter-
leaved”
Encoder Proximity
switch
Module Safety level
1 safety encoder - PSR-M-EM2 ... 7 Up to SIL 3 and PL e
1 SIN/COS or 1 TTL or 1
HTL encoder
+1 PSR-M-EM2 ... 7
Category 3 (90% DC) up
to SIL 3 and PL e
2 PSR-M-EM1
2 SIN/COS or 2 TTL or 2
HTL encoders
- PSR-M-EM5 ... 7
1 SIN/COS or 1 TTL or 1
HTL encoder
- PSR-M-EM2 ... 7
Category B up to SIL 1
and PL b (category 1,
PL c if applicable)
1 PSR-M-EM1