For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pengphei/openSUSE_Tumbleweed/home:pengphei.repo
zypper refresh
zypper install OpenPLC_Editor
For openSUSE Factory zSystems run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pengphei/openSUSE_Factory_zSystems/home:pengphei.repo
zypper refresh
zypper install OpenPLC_Editor
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pengphei/openSUSE_Factory_ARM/home:pengphei.repo
zypper refresh
zypper install OpenPLC_Editor