ProSoft Technology MVI69-GSC User Manual
Page 80
Reference
MVI69-GSC ♦ CompactLogix or MicroLogix Platform
User Manual
Generic ASCII Serial Communication Module
Page 80 of 102
ProSoft Technology, Inc.
September 24, 2010
5.2.3 Special Function Blocks
Special Function blocks are blocks used to control the module or request special
data from the module. The current version of the software supports two Special
Functions, warm boot and cold boot.
Warm Boot Block (9998)
This block is sent from the CompactLogix or MicroLogix processor to the module
(output image) when the module is required to perform a warm-boot (software
reset) operation. The following table describes the format of the control block.
Offset
Description
Length
0
9998
1
1
Spare
Cold Boot Block (9999)
This block is sent from the CompactLogix or MicroLogix processor to the module
(output image) when the module is required to perform the cold boot (hardware
reset) operation. This 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.
Offset
Description
Length
0
9999
1
1
Spare