Maintenance; Technical Data - Endress+Hauser Rns221 Mode D'emploi

Output values
Power supply
Application conditions Installation conditions Installation hint see chapter 3
Environmental
conditions

6 Maintenance

The unit does not require any regular maintenance.

7 Technical data

Open circuit voltage 24V +/- 10%
Output current max. 30 mA
250 Ω, fitted internally
®
Hart communication
resistance
Short circuit current Both channels are continuous short circuit protected
Ripple < 100 mV on 20 mA load
Galvanic isolation Between all circuits
Power supply 20...250 V DC/AC, 50/60 Hz
Power consumption < 5 W
Input current limit I
Power failure To IEC 61000-4-11
Ambient temperature -20 °C ... +60 °C (-4...+140 °F)
Storage temperature -30 °C ... +70 °C (-22...+158 °F)
Climatic classification To IEC 60 654-1 Class B2
Ingress protection IP 20
EMC/immunity To IEC 61326; Interferance transmission Class A;
Immunity to IEC 61326 industrial environment
/I < 15
max n
17