RN221N
Active barrier with optional HART® diagnosis
Active barrier with power supply for safe separation of 4...20 mA current circuits
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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.
Voordelen
Wide range power supply, flexible power source
Compact side by side DIN rail housing
International Ex approvals; marine approval
Bidirectional HART® transmission. Communication sockets for HART® sensor setting up. Evaluation of status information from connected transmitter with HART® protocol.
Primary or secondary master operating mode, automatic selection
Sensor monitoring with early-warning system
Manual or automatic reset of the relay contact
Toepassingsgebied
Galvanic isolation of 4 to 20 mA current circuits
Removing large loop circuits
Powering 2 wire transmitters
Monitoring of SMART transmitters with early-warning system
Intrinsically safe sensor supply for Ex-area
Kenmerken en specificaties
Documenten / handleidingen / software
Accessoires / Spare parts
Voorganger / Opvolger
Voorganger: HAA420Z, NY9170, RN221