Issue 5 - September 2006 Page 53 of 659 Appendix 2 - Time Constraint Table (Low Demand of operation)The following tables detail the actual time constraint time that is required for a certified systemdependant on the maximum number of Safety loop outputs (SIL level 1 to 3) used on a singleoutput module with.9.1 Admissible Repair Times in hours for Low Demand Mode of OperationNumber ofSafety LoopsSIL 1 SIL 2 SIL 31 63718 20149 63722 58062 18361 58063 53686 16977 53694 50170 15865 50175 47266 14947 47276 44813 14171 44817 42707 13505 42718 40872 12925 40879 39256 12414 392610 37816 11959 378211 36525 11550 365212 35357 11181 353613 34295 10845 342914 33323 10538 333215 32429 10255 324316 31603 9994 316017 30838 9752 308418 30125 9526 301319 29460 9316 294620 28837 9119 288421 28252 8934 282522 27701 8760 277023 27181 8595 271824 26689 8440 266925 26223 8293 262226 25781 8153 257827 25360 8020 253628 24960 7893 249629 24577 7772 245830 24212 7657 242131 23863 7546 238632 23528 7440 2353