Main disadvantages of the technology of making various graticules used for planetarium are summarized. A new method is given.

In the paper text, in detail introduced the planetarium electrically controlled system composition, the principle as well as the run mode way.

This article to introduce single-globe planetarium electrically controlled system design as well as to some correlation technology experimental studies.

According to the planetarium mainframe control demand, has designed the planetarium partial controls flow, and list PLC an input output distribution list.

By 1954 the Zeiss Jena works had reestablished their ability to produce world class planetarium projectors , the first completed unit being delivered in 1954 to the Volgograd Planetarium in Russia.