Black Box IC108A Guia do Utilizador descarregar pdf (Página 112)

Advant

Smart Device (HART

) Interface User’s Guide

Appendix A PLC Directory References

A-2 3BUR 001 085R0001 REV A

A.1.1 PLC_AB Initial Data Base

This PLC_CMDS object from which all other databases are initially copied and created contains

commands which are used to communicate with Allen-Bradley programmable controller

devices using Allen-Bradley Data Highway protocol. The TEMPLET NAME of this object is

used as the COMMAND SET field entry in the PLC_DEF object (see Section 3.3.5.3,

PLC_DEF Object).

Each command (name) corresponds to a code (value) that us used by the MVI module to

produce the correct protocol to the PC device for the function desired.

WA R N IN G

THIS OBJECT IS FOR DATA BASE REFERENCE ONLY AND IS NOT TO BE

MODIFIED BY THE USER.

Figure A-2. PLC_AB Reference Object

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