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Semiconductor foundry uses embedded computers to reconstruct factory automation

業種 製造オートメーション
関連製品 DA-660
概要 The foundry selected Moxa DA-660-8-LX and DA-660-16-LX embedded computers to connect up to 8 and 16 RS-232/422/485 interface dry pumps as inner controllers and front-end protocol gateways for data acquisition, controlling, and protocol conversion. It also used Moxa EDS-408A Ethernet switches to form a Turbo Ring for receiving data from embedded computers via Modbus interface.
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プロジェクト紹介


Background
One of the world's largest dedicated semiconductor foundries has built its reputation on offering advanced wafer production processes and unparalleled manufacturing efficiency. In order to have an innocuous and safe manufacturing environment, the foundry built over 2,500 dry pumps in each wafer foundry to pump toxic gas and polluted liquid.

In the past, the foundry used routers to connect the dry pumps (each router connected up to 40 dry pumps) and all the routers shared a 10 Mbps network and linked to a single server. However, this setup was susceptible to a few problems that made it difficult to form an integrated system. First of all, the communication network was overloaded and unstable. In addition, dry pumps from different brands had different protocols. To overcome these problems, the foundry decided to reconstruct the whole system using embedded computers for front-end protocol conversion, onsite monitoring, and communication.

Requirements


Solution
The foundry selected Moxa DA-660-8-LX and DA-660-16-LX embedded computers to connect up to 8 and 16 RS-232/422/485 interface dry pumps as inner controllers and front-end protocol gateways for data acquisition, controlling, and protocol conversion. It also used Moxa EDS-408A Ethernet switches to form a Turbo Ring for receiving data from embedded computers via Modbus interface.

Diagram


 

Benefits


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