Check if the power supply is connected. Measure the voltage between the + and - terminals. For HART devices there is a voltage of 11 … 42 VDC in non ignition proof applications and 11…30 VDC in ignition proof applications. For Foundation Fieldbus and Profibus devices there is a voltage of 9...32 VDC in non ignition proof applications and 9...24 VDC in ignition proof (Fieldbus entithy model I.S.) applications and 9...17,5 VDC in ignition proof (FISCO) applications.
Horst Schwanzer is the Global Product Manager for Temperature and is located in Alzenau Germany. He has been with ABB for 30 years specializing in engineering and application solutions for temperature and interface automation products. He starts in the research department for flow meters. Then he worked in the development department for transmitters. After this he worked as a product manager for several interface and measurement products.
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