The main functions of the initial test platform (module) designed for single-phase smart energy meters are as follows: 1. With isolation 485, it can perform functional tests such as communication, parameter setting, relay control and switching on the meter 485 channel; 2. With isolation 485, The isolated infrared module is used to test the infrared channel communication of the meter; 3. The level sampling circuit is used to sample and test the active power and clock pulse signals of the meter; 4. The reserved serial port can communicate with the host computer and save relevant test data in one-to-one correspondence as product quality Improved data analysis.
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