Datum plate for use in installations of substrate handling systems

A datum plate is provided for use in installations of substrate handling systems. The datum plate has a set of predetermined attachment locations adapted to couple the datum plate to a chamber; a set of predetermined attachment locations adapted to couple one or more automatic door opener platforms to the datum plate; and a set of predetermined attachment locations adapted to couple one or more substrate handlers contained within the chamber, to the datum plate. The attachment locations are positioned such that when the datum plate is coupled to the chamber, and the automatic door opener platform and the substrate handler are coupled to the datum plate, the substrate handler and automatic door opener platform are aligned for substrate transfer therebetween. Numerous other aspects are provided.