To realize the requirements translating industrial instruments to the digital, HART modem and HART PC software have been developed. When running the HART software on a PC, the signals are conversed by a HART modem to realize the functions of monitoring the intelligent electrical positioner, configuration and so on. The data of HART 475 measured proves that the design conforms to the HART protocol standard, which communication is stable and reliable to meet the requirements of industrial field devices.
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