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The NA400 PLC is used in the nation's first fully domestically-built mother ship for deep-sea submersibles.
Release date:
2016-05-18
On May 5, the manned submersible support vessel and deep-sea scientific research platform "Explorer No. 1," capable of operating at depths up to 4,500 meters, was completed and delivered at China State Shipbuilding Corporation (CSSC) Chengxi Shipyard (Guangzhou) Co., Ltd. in Nansha, Guangzhou. The vessel has officially been handed over to the Chinese Academy of Sciences and is scheduled to depart from Nansha on June 6, heading toward Sanya, Hainan. In the near future, the ship is also expected to set sail for the Mariana Trench in the Pacific Ocean to carry out the CAS-led "Haidou Deep-Sea" scientific expedition mission.
The 4,500-meter manned submersible's mother ship and the deep-sea scientific research universal platform, "Explorer No.1," have been completed and delivered in Chengxi, Guangzhou.
"Explorer No. 1" Delivery Ceremony
On May 5, the manned submersible support vessel and the deep-sea scientific research universal platform "Explorer No. 1," capable of operating at depths up to 4,500 meters, were completed and delivered at China State Shipbuilding Corporation (CSSC) Chengxi Shipyard (Guangzhou) Co., Ltd. (referred to as Chengxi Guangzhou) in Nansha, Guangzhou. The vessel was officially handed over to the Chinese Academy of Sciences and is scheduled to depart from Nansha on June 6, heading toward Sanya, Hainan. In the near future, the ship is also expected to set sail for the Mariana Trench in the Pacific Ocean to carry out the CAS-led pilot project "Haidou Deep-Sea" scientific expedition mission.
"The Explorer No. 1" ship has a full-load displacement of 6,250 tons, a length of 94.45 meters, and a molded breadth of 17.9 meters. Under the mandate of the national 863 Program, "Explorer No. 1" will become China's first domestically produced mother ship specifically designed to support a 4,500-meter-deep-sea submersible. The next phase of its transformation will further enable sea trials and deep-diving operations for both manned and unmanned submersibles capable of reaching depths of up to 10,000 meters in China. According to Project Manager Ou Wenguang, as the mother ship for deep-sea submersibles, "Explorer No. 1" boasts exceptional endurance, with a range exceeding 10,000 nautical miles, and can remain at sea independently for more than 60 days. Additionally, the vessel is equipped with an internationally advanced DP2 dynamic positioning system, allowing it to operate effectively across all marine environments. Moreover, the ship features a uniquely curved bow design that fully encases the hull, providing robust protection against strong winds and towering waves even at high speeds. Most importantly, the stern of the ship is fitted with an A-frame structure, which facilitates the precise deployment of the submersible into the deep ocean. Connecting the submersible’s working compartment directly to the A-frame are two long, straight tracks, each fitted with a winch system used to safely transport the manned submersible in and out of position.
The Nanda Aoto NA400 PLC, a domestically produced PLC boasting fully independent intellectual property rights, has been entrusted with critical control tasks aboard this 4,500-meter-deep-sea submersible's support mother ship—entirely designed and built in China. Renowned for its superior computing performance, extensive communication interfaces, and exceptional stability and reliability, the NA400 PLC has earned high praise from users. It successfully passed the system acceptance process and was smoothly delivered for operational use.
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