Tamron MST2000 Intrinsic Safety Considerations, HART Command Information, HART Command Set

MST2000 HART® Communications Information OPERATION MANUAL

13.6 Intrinsic Safety Considerations

Intrinsic safety approvals for the MST2000 are pending. Contact the factory for additional information involving hazardous applications with the use of safety barriers.

13.7 HART® Command Information

The MST2000 transmitter is compliant with HART® Command Revision 5.1. The following commands are supported. Reference HART® Document HCF_LIT-20 (HART® Technical Overview) for additional information.

COMMAND

HART® Command Set

Description

0

1

2

3

6

11

12

13

14

15

16

17

18

19

35

50

51

59

Universal

Universal

Universal

Universal

Universal

Universal

Universal

Universal

Universal

Universal

Universal

Universal

Universal

Universal

Common Practice

Common Practice

Common Practice

Common Practice

Read Unique Identifier

Read Primary Variable (pv)

Read (pv) current and percent of range

Read (pv) current and four predefined variables

Write Polling Address

Read Unique Identifier associated with Tag

Read Message

Read Tag, Descriptor, Date

Read sensor information

Read output information

Read final assembly number

Write message

Write tag, descriptor, date

Write final assembly number

Write (pv) range values

Read dynamic variable assignments

Write dynamic variable assignments

Write number of response preambles

pv = primary variable

13.8Thermo Brandt Instruments HART® ManufacturerIdentification Code = 96 Hex, 150 Decimal

13.9MST2000 HART® TransmitterVariableCodeAssignments.

Vari able Code	ENGLISH UNIT VERSION	METRIC UNIT VERSION
0 or 1	DP in Inches of W.C.	D.P. In Mil li me ters of W.C.
2	Stan dard Cu bic Feet Per Min ute (SCFM)	Nor mal Cu bic Me ters Per Hour (NM3-HR)
3	Ac tual Cu bic Feet per Min ute (ACFM)	Cu bic Me ters per Hour (M3-HR)
4	Mass in Pounds per Hour (LB/HR)	Mass in Ki lo grams per Hour (KG-HR)
5	Ex ter nal Tem per a ture in Degree Fahr en heit	Ex ter nal Tem per a ture in De gree Cel sius
6	Ex ter nal Ab so lute Pres sure in PSIA	Ex ter nal Ab so lute Pres sure in BAR

Page 28 MST2000 Multivariable SMARTFLOW ® Transmitter Brandt Instruments, Inc.