PROSOFT MVI69-MCM Modbus Master/Slave Network Interface Module

The Allen-Bradley MVI69-MCM Modbus Master/Slave Network Interface Module allows Rockwell Automation® CompactLogix™ Programmable Automation Controllers (PACs) and MicroLogix™ 1769-LRP Programmable Logic
Controllers (PLCs) to interface with Modbus-compatible devices. Compatible devices include not only Modicon® PLCs but also a wide assortment of thirdparty devices found in nearly every industry.

Features and Benefits

• Licensed Backplane Technology

  • Manufactured under license from Rockwell Automation.
  • High-speed data transfer between MVI69 module and CompactLogix / MicroLogix processor.
  • Installs as a Generic 1769 module, sample ladder logic included.
  • View module data and status in RSLogix 5000 controller tags and UDTs.

• Modbus Master/Slave protocol interface

  • Emulate Modbus Master or slave device on each individually-configurable application port.
  • Supports Modbus RTU and Modbus ASCII protocol versions.
  • Floating point data movement supported, including support for Enron, Daniel®, and other implementations.
  • Suitable for SCADA and field device interface applications.

• ProSoft Configuration Builder software included

  • Graphical drag-and-drop configuration tool for simple module configuration.
  • Easy to use diagnostics window with menu-driven hardware and protocol diagnostics.
  • View module database contents through serial connection to a desktop PC.

• Backed by ProSoft Technology

  • 20-year history of delivering high-quality, reliable solutions.
  • Free, unlimited, worldwide Technical Support by phone for pre-sale, set-up, or troubleshooting support.
  • Three-Year Warranty ensures reliability and protects against equipment failures.
  • Free ProSoft Software tools tightly integrate with hardware.

General Specifications

• Single-Slot, 1769 backplane-compatible.
• Recognized as an Input/Output module with access to processor memory for data transfer.
• Ladder Logic used for data transfer between module and processor.
• Configuration data obtained from configuration text file downloaded to module.
• Supports CompactLogix and MicroLogix 1500 LRP Controllers except specific models.

General Specifications – Modbus Master/Slave Communication Parameters

• Baud Rate: 110 to 115K baud.
• Stop Bits: 1 or 2.
• Data Size: 7 or 8 bits.
• Parity: None, Even, Odd.
• RTS Timing delays: 0 to 65535 milliseconds.
• Modbus Modes: RTU mode (binary) with CRC-16, ASCII mode with LRC error checking.
• Floating Point Data: Supported, including configurable support for Enron, Daniel®, and others.

Functional Specifications – Modbus Master

• Port configured as a virtual Modbus Master actively issues Modbus commands.
• Supports up to 100 commands on each port.
• Configurable polling of command list, error codes available.
• Optimized polling characteristic for slaves with communication problems.

Functional Specifications – Modbus Slave

• Port configured as a Modbus slave permits interaction with all data contained in the module.
• Node address: 1 to 247 (software selectable).
• Error codes, counters, and port status available per configured slave port.

Hardware Specifications

• Dimensions: Standard 1769 Single-slot module.
• Current Load: 800 mA max @ 5 VDC.
• Power supply distance rating of 2 (L43 and L45 installations on first 2 slots of 1769 bus).
• Operating Temp: 32°F to 140°F (0°C to 60°C).
• Storage Temp: -40°F to 185°F (-40°C to 85°C).
• Relative Humidity: 5% to 95% (with no condensation).
• LED Indicators: Battery and Module Status, Application Status, Serial Port Activity, CFG Port Activity.
• CFG Port (CFG): RJ45 (DB-9F with supplied cable), RS-232 only, no hardware handshaking.
• App Ports (P1,P2) (Serial modules): RS-232, RS-485, or RS-422 (jumper selectable), RJ45 (DB-9F with supplied cable), RS-232 handshaking configurable, 500V Optical isolation from backplane.
• Shipped with Unit: RJ45 to DB-9M cables for each port, 6-foot RS-232 configuration Cable.

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