Prosoft-technology MVI46-MCM Manual de usuario descargar pdf (Pagina 64)

Reference MVI46-MCM ♦ SLC Platform

User Manual Modbus Communication Module

Page 64 of 108 ProSoft Technology, Inc.

March 29, 2011

5.2.3 Normal Data Transfer

This version of the module provides for direct access to the data in the module.

All data related to the module is stored in the module’s M1 file. To read data from

the module, use the COP instruction to copy data from the module’s M1 file to a

user data file. To write data to the module, use the COP instruction to copy data

from a user file to the module’s M1 file. Registers 0 to 4999 should be used for

user data. All other registers are reserved for other module functions.

5.2.4 Special Function Blocks

Special Function blocks are special blocks used to control the module or request

special data from the module. The current version of the software supports the

following special function blocks:

 Event Command blocks

 Slave Status blocks

 Command Control blocks

 Write Configuration block

 Warm Boot block

 Cold Boot block

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Prosoft-technology MVI46-MCM Manual de usuario Pagina 64