Reference MVI69E-MBS ♦ CompactLogix Platform
User Manual Modbus Serial Enhanced Communication Module
Page 144 of 154 ProSoft Technology, Inc.
June 28, 2017
7.4.20 Reset Status Block (9997)
Block 9997: Reset Status Block
This block resets the module, port 1, and/or port 2 status.
Block 9997: Request from Processor to Module
Reset Module status (0=no, else yes)
Reset Port 1 status (0=no, else yes)
Reset Port 2 status (0=no, else yes)
Where n = 60, 120, or 240 depending on the Block Transfer Size parameter.
Block 9997: Response from Module to Processor
Write Block ID: To be used by the processor in its next Write block.
7.4.21 Cold-boot Control Block (9999)
Block 9999: Cold-boot Control Block
If the CompactLogix or MicroLogix 1500-LRP processor sends a block number
9999, the firmware performs a cold-boot operation. The firmware reloads the
configuration file from the processor to the module and resets all MBS memory,
error and status data.
Block 9999: Request from Processor to Module
Where n = 60, 120, or 240 depending on the Block Transfer Size parameter.