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- Mã sản phẩm: RN221N-B1 RN221N Active barrier with optional HART® diagnosis Endress Hauser Vietnam
- Giá: Liên hệ
- Lượt xem: 5368
- RN221N-B1 RN221N Active barrier with optional HART® diagnosis Endress Hauser Vietnam Active barrier with power supply for safe separation of 4...20 mA current circuits The active barrier RN221N supplies e.g. a transmitter with power, if required also in the Ex-area, and then transmits the galvanically isolated signal. With the optionally available HART® monitoring the status of the transmitter is monitored. If an error arises a relay at the RN221N sends an alarm. The relay has to be actively set back. Thus even just briefly occurring errors can be easily located.
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