industrial motorized rail cart plc automatic control 50 tons
US20050033514A1 – Mobile station of global position system
The present invention relates to a mobile station of Global Position System (GPS) for a rubber-tiered gantry crane (RTG), and it mainly comprises one or two GPS receiver(s), a radio receiver, two crane encoders, a control processor, and a programmable logic controller (PLC).
How to make a Start Stop Jog circuit in a PLC | Acc Automation
Jan 03, 2015 · The jog when pushed will break the sealing contact, and then make a bypass ...
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