In EN ISO 10218-2 (C standard for industrial robots - Safety requirements Part 2: Robot systems and integration), Clause 5.10.4.3. states that the movable guard must open away from the hazard. In this respect, a door that opens inwards is not permitted.
Pilz Czech s.r.o.
Jeremenkova 1160/90a
140 00 Praha 4
Czech Republic
Telephone: +420 222 135353
E-Mail: info@pilz.cz
Telephone: +420 222 135354
E-Mail: Support@pilz.cz