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Ać14, Hart command 44 – Rockwell Automation 1770,D17706.5.21 SMART TRANSMITTER TOOLKI User Manual

Page 49

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HART Command Data Table Layouts

Appendix A

A-14

Use this command to select the units in which the primary variable and the
primary variable range will be returned by the HART field device. This
command also selects the units for sensor limits and minimum span.

Standard Inputs

Integer

Word 0

I/O Rack Number of 1770ĆHT1

Word 1

I/O Group Number of 1770ĆHT1

Word 2

Channel Number of HART field device

Word 3

Polling Address of HART field device

Word 4

Smart Transmitter Interface Command Number 16 (decimal)

Word 5

HART Command Number 44

CommandĆspecific Inputs

Integer

Words 6 Ć 8

HART Address from HART Command 0

Word 10

Primary Variable Unit Code

Data Table Report PLC-5/25 Addr 31 Data Table File N10:0

Address 0 1 2 3 4 5 6 7 8 9

N10:0 4 6 3 0 16 44 9858 269 12807 0

N10:10 32 0 0 0 0 0 0 0 0 0

N10:20 0 0 0 0 0 0 0 0 0 0

N10:30 0 0 0 0 0 0 0 0 0 0

N10:40 0 0 0 0 0 0 0 0 0 0

N10:50 0 0 0 0 0 0 0 0 0 0

This integer word is a commandĆspecific

input that contains the (new) unit code for

the primary variable (see page BĆ5).

These six integer words are the standard inputs that

are required for each HART command (see page 3Ć3).

This is the HART address that is returned

from HART Command 0 (see page AĆ3).

HART Command 44

Write Primary Variable Units