CSA C22.2 NO. 0.8-12 (R2016)

This Standard applies to products and component devices where the electronics technology handles the operational logic including the safety features. This Standard applies to the following configurations:

(a) safety control function(s) implemented in hardware only; and
(b) safety control function(s) implemented in some combinations of hardware and software.

Note: Clauses that refer to hardware-only designs are identified by an asterisk and listed in Table 2.