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Command control blocks – ProSoft Technology MVI69L-MBTCP User Manual

Page 132

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Reference

MVI69L-MBTCP ♦ CompactLogix Platform

User Manual

Communication Module

Page 132 of 152

ProSoft Technology, Inc.

January 6, 2014

7.4.6 Command Control Blocks

Block 5001 to 5016: Command Control

Command Control blocks place commands into the mo

dule’s command priority

queue. Unlike Event Command blocks, which contain all the values needed for
one command, Command Control is used with commands already defined in the
MNET Client x Command List in PCB.

Block 5001 to 5016: Request from Processor to Module

Offset

Description

0

Command queue block identification code of 5001 to 5016

1

Client index (0 to 9) to be used

2

Command Index in the command list for the first command to be entered into the
command queue

3 to 17

Command indexes of the next commands to be placed in the command queue

18 to 239

Spare



Block 5001 to 5016: Response from Module to Processor

Offset

Description

0

Command queue block identification code of 5001 to 5016

1

The next write block ID

2

Client index (0 to 9) to be used

3

Number of commands in the block placed in the command queue. If a value of -2
is returned, then the client index is not valid. If a value of -1 is returned, the client
is not enabled and active.

4

Number of commands in queue

5 to 239

Spare