Rockwell Automation Allen-Bradley ControlLogix 1756-MVI User Manual

ControlLogix
Multi-Vendor
Interface Module
1756-MVI
Programming Reference
Manual

Rockwell Automation Allen-Bradley ControlLogix 1756-MVI Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley ControlLogix 1756-MVI
Category	Control Unit
Language	English

Summary

Important User Information

Safety and Manual Conventions

Explains safety symbols (ATTENTION, IMPORTANT) and manual conventions for understanding the document.

About This Reference Manual

Manual Introduction and Audience

Describes the manual's purpose, scope, and intended audience.

Manual Conventions

Explains formatting conventions like lists and bold text.

Rockwell Automation Support

Product and Technical Assistance

Provides contact information for sales, training, warranty, and technical help.

1756-MVI Module Overview

Module Features and Architecture

Details key hardware features, block diagram, and interfaces.

LED Indicators

Explains the purpose and meaning of each LED on the module.

Configuration Jumpers

Details the function of setup and port configuration jumpers.

System Firmware and BIOS

Details the embedded BIOS, console services, and setup menu.

Operating System

Details the embedded DOS OS, compatibility, and multitasking.

Application Development Overview

API Suite Components and Usage

Introduces API components and their usage scenarios.

API Libraries and Calling Conventions

Lists compatible compilers and Pascal calling conventions for API functions.

Development Tools and Techniques

Covers header files, sample code, multithreading, and tools.

MVI Backplane API

API Architecture and Files

Describes API components, architecture, and necessary files.

API Functions Overview

Categorized list of MVI Backplane API functions.

Initialization and Closing

Covers MVIbp_Open and MVIbp_Close for API access.

Configuration and I/O Access

Details functions for module configuration and direct I/O.

Messaging Functions

Covers MVIbp_ReceiveMessage and MVIbp_SendMessage.

Synchronization and Miscellaneous Functions

Covers sync functions and other utilities like version/status.

CIP Messaging API

API Architecture and Files

Describes CIP API components, architecture, and necessary files.

CIP API Functions Overview

Categorized list of CIP API functions.

Initialization and Object Registration

Covers MVIcip_Open/Close and registration functions.

Connected Data Transfer

Covers MVIcip_WriteConnected and MVIcip_ReadConnected.

Callback Functions

Details connect_proc, service_proc, rxdata_proc, and others.

Special Callback Registration

Covers registering fatal fault, reset, and flash update handlers.

Miscellaneous CIP API Functions

Covers GetIdObject, GetVersionInfo, SetUserLED, etc.

Serial Port API

Serial Data Transfer

Explains serial data transfer and its importance.

Serial API Files

Lists the supplied Serial API files.

Initialization and Configuration

Covers MVIsp_Open, MVIsp_OpenAlt, MVIsp_Close, MVIsp_Config.

Port Status Functions

Covers getting/setting RTS, DTR, CTS, DSR, DCD, line status.

Communications Functions

Covers MVIsp_Putch, MVIsp_Getch, MVIsp_Puts, MVIsp_Gets.

Data Transfer and Queue Management

Covers MVIsp_PutData, MVIsp_GetData, and queue functions.

Programming the MVI Module

ROM Disk Configuration

Explains storage for user programs on ROM disk and compact flash.

Creating a ROM Disk Image

Instructions for creating disk images using DISKIMAG and WINIMAGE.

Downloading a ROM Disk Image

Describes utilities (MVI Flash Update, MVIUPDAT) for downloading images.

Booting from Compact Flash

How to configure MVIEXEC.bat and autoexec.bat for CF booting.