Aquaculture — also known as aquafarming — is a 13 billion dollar industry in Vietnam. With approximately half of this value being exported, this sector represents a significant revenue for the nation. Investors in aquaculture are looking for innovative solutions to provide high quality product and maintain, or even improve, Vietnam’s position as the fourth largest aquaculture producer globally.
Fish, shrimp and mollusc farms can be onshore or offshore, often in remote locations. This poses a challenge for operators. Ovarro, and local Authorised Ovarro Partner (AOP), Phap Tri Technology (PTT), rose to this challenge, using the TBox LT2 RTU to improve operations.
The Ovarro TBox LT2 was installed on site, acting as a local process controller to manage valves, pumps and the fish feeding process. The RTU monitors water quality and regulates the flow of fresh water through fish farms to maintain an optimal environment for fish growth.
At regular periods, the RTU activates the feeder, supplying controlled volumes of food and verifying that the correct amount is provided during each feeding session.
In addition to process control, the LT2 maintains a local historian and reports key information to a centralised server. PTT has developed a mobile app to access this data so that operators can monitor their investment at any time.
Maintenance crews can also receive alerts to any mechanical failures or water quality issues, allowing for a faster response, minimising any negative impact.
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The remote process control and reporting from Ovarro’s TBox LT2, combined with the mobile App from PTT has allowed investors to manage more fish farms, more efficiently, with tighter control over optimum strategies for product quality.
Operationally, there has been a measurable drop in the time required to respond to faults onsite, reducing downtime and maintaining a higher quality environment for fish growth. This has resulted in operators being able to increase the number of fish that they have been able to grow, therefore improving their profit margins.