Automation of stage preparation activities of LVM 3 Launch Vehicle during Vehicle Assembly

This paper deals with automation of stage preparation activities of LVM3 (Launch Vehicle Mark -III) during Vehicle Assembly. The LVM 3 vehicle consists of three stages, one cryo stage, one liquid stage and two solid stages. The stage preparation activities include the charging of POGO gas bottles, leak check of liquid stage, DM water filling etc. The stage preparation activities are automated by using Programmable logic controller system (Hot standby controller with TMRIO) using PLC software Unity Pro IDE and SCADA system (redundant server client architecture) using Vijeo Citect Package both are provided by Schneider electric.