ProSoft Technology MVI69-HART User Manual

Page 92

Reference

MVI69-HART ♦ CompactLogix Platform

User Manual

HART Multi-drop Master Communication Module

Page 92 of 169

ProSoft Technology, Inc.

March 29, 2012

Command Control(Block 9902)
The block 9902 identification code is used by the processor to enable a set of

commands that have their enable code set to 4 or 5 (one shot). The value

referenced by the address associated with the command, Enable DB Address,

will be set to -1 to enable the command for a one-shot (enable code 5) or

continuous (enable code 4) execution. After the command is executed, the

module resets the register to 0 to disable the command for the one-shot mode.

The format for this command block is shown in the following table.

Word Offset in Block

Data Field(s)

Description

Block ID

This field contains the value of 9902 identifying the

enable command to the module.

Port Number

This is the HART port number (0 to 3) for the

command. Each port has its own command list.

Command

count

This field contains the number of commands to enable
in the command list. Valid values for this field are 1 to

60.

3 to 62

Command
Numbers to

enable

These 60 words of data contain the command numbers
in the command list to enable. The value referenced by

the Enable DB address associated with each command

will be set to -1.

Spare

Not Used

There is no response to this block by the module.

Command Disable Control Block (Block 9903)
The block 9903 identification code is used by the processor to disable a set of

commands that have an enable code set to 4 or 5 (one shot). The value