MVI69L-MBS | Prosoft Modbus Serial Lite Communication Module

The MVI69L-MBS is a Modbus Serial module designed for CompactLogix™ controllers, optimized for smaller applications requiring communication between a limited number of Modbus Serial devices. This module simplifies commissioning with its Add-on Profile and Add-on Instruction, ensuring efficient integration. It features a single serial port and supports both Master and Slave modes, offering flexible connectivity to Modbus-compatible devices.

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Key Features and Benefits

1. Compatibility:
   • Works with CompactLogix processors with 1769 I/O bus capability (v16 or later).
   • Note: Does not support MicroLogix 1500.
2. Simplified Integration:
   • Add-on Instruction: Automatically creates UDTs (User-Defined Types) for logical definitions of I/O, status, and control data.
   • Add-on Profile: Enhances integration with CompactLogix systems.
3. Diagnostics and Configuration:
   • Diagnostic data is accessible in controller tags, enabling decisions based on system health.
   • Configuration is stored in the CompactLogix project file (ACD), providing backup and easy restoration.
4. Performance Benefits:
   • Acts as a co-processor, minimizing impact on the PLC scan time.
   • Supports up to 240 words of I/O data, ensuring robust data handling.
5. Flexibility:
   • The application port can operate as either a Modbus Master or Slave.
   • As a Master, it supports up to 30 fully configurable Modbus commands.
   • Implements floating-point data movement, including support for Enron and Daniel-style formats.
6. Applications:
   • Ideal for OEMs and Machine Builders requiring efficient Modbus communication for CompactLogix systems.

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Technical Specifications

Configuration

• Tool: ProSoft Configuration Builder (software).
• I/O Size: 240 input/output words (16-bit integers).

Communication Parameters

• Baud Rate: 110 to 115K baud.
• Data Settings:
  • Stop Bits: 1 or 2
  • Data Size: 7 or 8 bits
  • Parity: None, Even, Odd
• RTS Timing Delays: 0 to 65535 milliseconds.

Modbus Protocols and Modes

• Supported Modes:
  • RTU (binary) with CRC-16.
  • ASCII with LRC error checking.
• Function Codes Supported:
  • Read/Write: Coils, Input Status, Holding Registers, Input Registers.
  • Specialized: Diagnostics, Report Slave ID, Mask Write, and more.

Master and Slave Functionality

• Modbus Master:
  • Issues up to 30 configurable commands.
  • Features configurable polling (continuous or on-change).
  • Provides error codes and slave status lists.
• Modbus Slave:
  • Allows remote Masters to interact with module data.
  • Configurable node address: 1 to 247.
  • Includes error codes, counters, and port status.

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Hardware Specifications

• Dimensions: Standard 1769 single-slot module.
• Current Load: 450 mA max @ 5 VDC.
• Operating Temperature: 0° C to 60° C (32° F to 140° F).
• Storage Temperature: -40° C to 85° C (-40° F to 185° F).
• Humidity: 5% to 95% RH (non-condensing).

LED Indicators:

• OK: Module Status.
• ETH: Ethernet Communication.
• P1: Serial Communication.
• BP: Backplane Connectivity.
• CFG: Valid Configuration.

Ports:

• Debug Port: 10/100 Ethernet Port.
• Application Port:
  • RS-232, RS-485, or RS-422.
  • RJ45 (DB-9F with cable provided).
  • Configurable RS-232 handshaking.
  • 500V Optical isolation from backplane.

Included Accessories:

• RJ45-to-DB9M cable (application port).
• DB-9F breakout board.

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Applications

The MVI69L-MBS is well-suited for applications requiring streamlined communication between CompactLogix controllers and Modbus devices. Its compact design and ease of integration make it a go-to choice for OEMs and machine builders.

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About Us

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