4~20mA
H
RS232、RS485
HD4000-3-YNI,HD4000-3-YNH,HD4000-3-YFI,HD4000-3-YFH,
HD4000-3-WNI,HD4000-3-WNH,HD4000-3-WFI,HD4000-3-WFH,
HD4000-5-YNI,HD4000-5-YNH,HD4000-5-YFI,HD4000-5-YFH,
HD4000-5-WNI,HD4000-5-WNH,HD4000-5-WFI,HD4000-5-WFH,
HD4000-7-YNI,HD4000-7-YNH,HD4000-7-YFI,HD4000-7-YFH,
HD4000-7-WNI,HD4000-7-WNH,HD4