Phoenix Contact IB IL 24 PSDO 8-PAC, User Manual, Page: 15 / 112

For your safety
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1.9 Abbreviations used
1.10 Safety hotline
Should you have any technical questions, please contact our 24-hour hotline.
Table 1-1 Abbreviations used
Abbrevia-
tion
Meaning Standard Example
SIL Safety Integrity Level EN 61508 SIL 2, SIL 3
SILCL SIL claim limit EN 62061 SILCL 3
Cat. Category EN ISO 13849-1 Cat. 2, Cat. 4
PL Performance level EN ISO 13849-1 PL e, PL d
Table 1-2 Abbreviations used
Abbrevia-
tion
Meaning
PELV Protective extra-low voltage
A circuit in which the voltage cannot exceed 30 V AC, 42.4 V peak value
or 60 V DC under normal conditions, and under single error conditions,
except in the event of grounding errors in other circuits.
A PELV circuit is like an SELV circuit, but is connected to protective earth
ground.
(According to EN 61131-2)
EUC Equipment under control
For terms and abbreviations used for PROFIsafe, please refer to “Appendix: PROFIsafe
terms used in the user manual” on page 91.
Phone: +49 5281 9462777
E-mail: safety-service@phoenixcontact.com