
Using Controller Tags MVI69L-MBS ♦ CompactLogix Platform
User Manual Communication Module
Page 88 of 154 ProSoft Technology, Inc.
January 6, 2014
5.4.5 MBS.UTIL
The array is used for internal ladder processing. It should not be modified.
Holds Read Data array size (240)
MBS.UTIL.WriteDataSizeGet
Holds Write Data array size (240)
MBS.UTIL.ReadDataBlkCount
Number of Read Data blocks (1)
MBS.UTIL.WriteDataBlkCount
Number of Write Data blocks (1)
Computed block offset for data
Latest Read Block ID received from the module
Latest Write Block ID to be sent to the module
Latest Write Block ID used during initialization
Holds variables for configuration file transfer
MBS.UTIL.ConfigFile.WordLength
Length of configuration data to be included in block transfer
MBS.UTIL.ConfigFile.BlockCount
MBS.UTIL.ConfigFile.FileOffset
Offset in configuration file to use as a starting point for
copying over configuration data
MBS.UTIL.ConnectionInputSize
Holds size of the Connection Input array (242)
MBS.UTIL.BlockTransferSize
Size of the backplane transfer blocks (240)
Slot number of the module in the rack
Holds Block ID for Event Command
Keeps an Event Command message from being sent to the
module before the previous Event Command is completed
MBS.UTIL.PollStatusOffset
Offset in slave status data array to use as a starting point
for copying over slave status data
MBS.UTIL.CmdsAddedToQueue
Number of Command Control messages added to the
command queue
MBS.UTIL.CmdControlBlockID
Holds Block ID for Command Control
Keeps a Command Control message from being sent to
the module before the previous Command Control is
completed
MBS.UTIL.EventDataCmdPending
Keeps an Event Command with Data message from being
sent to the module before the previous Event Command
with Data is completed
Timer used to clear both cold and warm boot
requests
MBS.UTIL.PassThru[ ] Array
Holds variables used for processing pass-through
messages
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