Abstract
This research proposes an Accelerated Life Test System and has realized the reliability test of water quality analyzer. ALT (Accelerated Life Test) system is based on the principle of step stress accelerated life test and takes temperature as the accelerated stress. The system includes lower computer PLC and upper computer software of MCGS. In this research, Upper computer using configuration software to connect with the SIEMENS S7-300 PLC, in order to realize data acquisition and system control. This system improves the reliability test efficiency of the water quality analyzer, reduces the cost of test and has good economic efficiency.
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