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ProSoft Technology 5228-DFNT-HART User Manual

Page 22

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Functional Overview

ProLinx-HART ♦ ProLinx Gateway

Driver Manual

HART Master with Analog I/O

Page 22 of 104

ProSoft Technology, Inc.

October 13, 2011

With the auto-poll feature enabled, the module automatically generates the following

HART commands and stores the data in the module's database at the user-specified

location:

CMD

Description

0

Read Unique Identifier

3

Read Current and Four Dynamic Variables

13

Read Tag, Descriptor and Date

14

Read PV Sensor Information

15

Read Output Information

If the unit is set for point-to-point mode, the module will automatically gather the

information for the device with the polling address (short address) of zero and place the

data into the database. Each device requires a 50-word database area with the format

shown in the following table.

DB Byte
Offset

Type

Description

Byte
Cnt

Data
Source

Use of Data

0

byte

Auto-polling command status bits

1

App

Status

1

byte

Last first status byte received from

device

1

Resp

Status

2

byte

Last second status byte received

from device

1

Resp

Status

3

byte

Manufacture ID Code

1

CMD 0

LongAddress

4

byte

Device Type Code

1

CMD 0

LongAddress

5

byte

Minimum number of preambles

1

CMD 0

Msgconstruction

6

byte

Universal Command Major Rev #

1

CMD 0

Msgchoice

7

byte

Device Revision Level

1

CMD 0

Info

8

byte

Software Revision Level

1

CMD 0

Info

9

byte

Hardware Revision Level/Physical

Signaling Code

1

CMD 0

Info

10

byte

Device Flags

1

CMD 0

Info

11 to 13

byte

Device ID

3

CMD 0

Long Address

14

byte

Minimum number of preambles to
be sent with the response message

from the slave to the master.

1

CMD 0

15

byte

Maximum number of device

variables

1

CMD 0

Info

16 to 17

word

Configuration Change Counter

2

CMD 0

Info

18

byte

Extended Field Device Status

1

CMD 0

Info

19

byte

Primary variable units code

1

CMD 3

Cfg

20

byte

Secondary variable units code

1

CMD 3

Cfg

21

byte

Tertiary variable units code

1

CMD 3

Cfg

22

byte

Quaternary variable units code

1

CMD 3

Cfg

23 to 30

byte

Tag name

8

CMD 13

Info

31 to 46

byte

Descriptor

16

CMD 13

Info

47 to 49

byte

Tag/Descriptor data

3

CMD 13

Info

50 to 52

byte

Transducer serial number

3

CMD 14

Info

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