The data gather system made by micro controller may make up of a multicomputersystem expediently with the RS 485 bus, which can gather data synchronously in parallel.
Host: (1) Main central processing unit in a multi-computersystem. (2) holder of an online database.
主机:(1)多电脑系统中的主要中央处理机。(2)连线数据库的控制部。
3
The measuring principle, system composition and measuring error analysis of the computer controlled step shaft multi parameters on line measuring system are introduced.