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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