Reference Manual
00809-0100-4799, Rev BA
September 2002
Model 3244MV
www.rosemount.com
Appendix A
Specifications and
Reference Data
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-1
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-6
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-8
Tagging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-9
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-10
SPECIFICATIONS
Functional
Inputs
User-selectable. See “Accuracy” on page A-3
(Sensor terminals are rated to 42.4 V dc.)
Outputs
Manchester-encoded digital signal that conforms to IEC 1158-2
and ISA 50.02
Isolation
Input/output isolation tested to 500 V rms (707 V dc)
Power Supply
External power supply is required. Transmitter operation is between 9.0 and
32.0 V dc, 17.5 mA maximum. (Transmitter power terminals are rated to 42.4
V dc.)
Rosemount Conformance to Specification
You can be confident that a Rosemount product not only meets our published
specifications, but most likely exceeds them. Our advanced manufacturing
techniques and use of Statistical Process Control provide specification
conformance to at least ± 3
(1)
. In addition, our commitment to continual
improvement ensures that product design, reliability, and performance get better
every year.
For example, the Reference Accuracy distribution for the Model 3244MV
MultiVariable Temperature Transmitter with Profibus-PA is shown to the right. Our
Specification Limits are ± 0.10 °C, but, as the shaded area shows, approximately
68% of the units perform three times better than the limits. Therefore, it is very
likely that you will receive a device that performs much better than our published
specifications.
Conversely, a vendor who “grades” product without using Process Control, or who
is not committed to ± 3
performance, will ship a much higher percentage of units
that are barely within (or even outside of) advertised specification limits.
–3
+3
–2
–1
+2
+1
Lower
Specification
Limit
Upper
Specification
Limit
Typical Accuracy
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