Prosoft-technology MVI69-HART Manual de usuario descargar pdf (Pagina 45)

MVI69-HART ♦ CompactLogix Platform Module Configuration

HART Multi-drop Master Communication Module User Manual

ProSoft Technology, Inc. Page 45 of 169

March 29, 2012

The user can configure the command parameters as described in the following

table.

Index Parameter Value Observation

1 Enable 1 The command is sent continuously

2 Float DB

Address

300 The damping value response will be copied to the

internal database starting at word-address 300

(occupies addresses 300 to 301)

3 Poll Interval 0 The command is sent without any delay

4 Word Count 2 The command returns 10 words of floating point

data

5 Swap Code 3 The bytes in each returned floating point word are

swapped

6 Short Address 0 This command is sent to the Hart slave device using

short address 0

7 Function Code 34 The command function 4 (WRITE DAMPING

VALUE) is used in this example

8 Int. DB Address

320 The integer data will copied to the database word-

address 320

9 Word Count 1 The command returns 1 word of integer data

10 Swap Code 3 The bytes in each returned integer data will be

swapped

11 Use Long 1 This command executes using Long Address

12 Enable

Address

-1 This command does not use this feature

13 DB Done

Address

-1 This command does not use this feature

14 DB Write

Address

800 The floating point value located at byte-address 800

(word-address 400) will be used as the damping

value to be written to the HART device

15 DB Swap Code

3 The bytes in each returned integer data will be

swapped

16 Byte Count 4 The command will write 4 bytes (2 words) to the

HART device, since the damping value uses floating

point format (2 words)

17 Fixed Data This command does not use this feature

The user would have to verify that addresses 300 and 320 are located inside the

Read Data area (read from the MVI database to the PLC processor). Address

400 would have to be located inside the Write Data area (written from the PLC

processor to the MVI database).

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