ProSoft Technology MVI69-DFNT User Manual
Page 98

Reference
MVI69-DFNT ♦ CompactLogix or MicroLogix Platform
User Manual
EtherNet/IP Client/Server Communication Module
Page 98 of 167
ProSoft Technology, Inc.
May 14, 2014
Warm Boot Block (9998)
This block is sent from the CompactLogix or MicroLogix to the module when the
module is required to perform a Warm Boot (software reset) operation. The block
is commonly sent to the module any time configuration data modifications are
made in the controller tags data area. This causes the module to read the new
configuration information and to restart. The following table describes the format
of the Warm Boot block.
Block Request from Processor to Module
Word Offset
Description
Length
0
9998
1
1 to n
Not used
n
n = 60, 120, or 240 depending on the Block Transfer Size parameter (refer to the configuration file).
Cold Boot Block (9999)
This block is sent from the CompactLogix or MicroLogix to the module when the
module is required to perform the cold boot (hardware reset) operation. The
block is sent to the module when a hardware problem is detected by the ladder
logic that requires a hardware reset. The following table describes the format of
the control block.
Block Request
Offset
Description
Length
0
9999
1
1 to x
Not used
blk_size