Emerson Rosemount 2240S, Справочное руководство, Страница: 151 / 194

141
Specifications and Reference Data
Specifications and Reference Data
October 2017
Reference Manual
00809-0100-2240, Rev DA
Appendix A Specifications and Reference Data
Performance specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 141
General specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 141
Configuration specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 142
Foundation fieldbus characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 142
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 143
Mechanical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 143
Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 143
Dimensional drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 144
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 146
A.1 Performance specifications
A.1.1 Temperature conversion accuracy
±0.05 °C (±0.05 °F)
Over measuring range and ambient temperature 20 °C (68 °F)
A.1.2 Ambient temperature effect
±0.05 °C (±0.09 °F) within the total range, -40 to 70 °C
(-40 to 158 °F)
A.1.3 Temperature measuring range
Supports -200 to 250 °C (-328 to 482 °F) for Pt-100
A.1.4 Resolution
± 0.1 °C (± 0.1 °F) according to API chapter 7 and 12
A.1.5 Update time
4 s
A.2 General specifications
A.2.1 Number of spot elements and wiring
Up to 16 RTD spot elements or averaging sensors can be
connected to a Rosemount
™
2240S.
Rosemount temperature / water level sensors (models 565,
566, and 765)
Three wiring types can be used:

3-wire RTD with common return (1-16 spot elements)

3-wire RTD individual
(1-16 spot elements with Rosemount 565,
1-16 spot elements with Rosemount 566,
and 1-14 spot elements with Rosemount 765)

4-wire RTD individual
(1-16 spot elements with Rosemount 565,
1-16 spot elements with Rosemount 566,
and 1-10 spot elements with Rosemount 765)
A.2.2 Standard temperature sensor types
Supports Pt-100 (according to IEC/EN60751, ASTM E1137) and
Cu-90
A.2.3 Metrology sealing possibility
Yes
A.2.4 Write protect switch
Yes