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Reference Manual
00809-0100-4021, Rev DA
November 2004
Rosemount 3144P
www.rosemount.com
Appendix A Reference Data
HART and Foundation Fieldbus Specifications . . . . . . . .page A-1
HART / 4–20 mA Specifications . . . . . . . . . . . . . . . . . . . . . page A-6
Foundation Fieldbus Specifications . . . . . . . . . . . . . . . . . page A-8
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-10
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-14
HART AND FOUNDATION FIELDBUS SPECIFICATIONS
Functional
Specifications
Inputs
User-selectable. See “Accuracy” on page A-4 for sensor options.
Output
2-wire device with either 4–20 mA/HART, linear with temperature or input.
Completely digital output with F
OUNDATION fieldbus communication (ITK 4.5
compliant).
Isolation
Input/output isolation tested up to 500 V rms (707 V dc).
Humidity Limits
0–100% relative humidity.
Update Time
Approximately 0.5 seconds for a single sensor (1 second for dual sensors).
Physical Specifications Conduit Connections
The standard field mount housing has ½–14 NPT conduit entries. Additional
conduit entry type are available, including PG13.5 (PG11), M20 X 1.5 (CM20),
or JIS G ½. When any of these additional entry types are ordered, adapters
are placed in the standard field housing so these alternative conduit types fit
correctly. See “Dimensional Drawings” on page A-10 for dimensions.
Materials of Construction
Electronics Housing
• Low-copper aluminum or CF-8M (cast version of 316 Stainless Steel)
Paint
• Polyurethane
Cover O-rings
Buna-N