Prosoft-technology MVI69-GSC Manual de usuario descargar pdf (Pagina 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

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 101 102

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Prosoft-technology MVI69-GSC Manual de usuario Pagina 80