PLCopen Safety
PLCopen Safety integrated safety functionality into the IEC 61131-3 development environments.
https://www.plcopen.org/standards/safety/
Other products & services
PLCopen Logic
The PLCopen basis is the worldwide standard IEC 61131-3 - Programming Languages, developed by the IEC.
PLCopen Motion Control
The PLCopen Motion standard provides a way to standard application libraries, reusable for multiple hardware platforms.
PLCopen Training
PLCopen offers various IEC 61131-3 compliant Training Guidelines.
PLCopen Communication
The organizations PLCopen and OPC Foundation combine their technologies.