Product Description of ProSoft MVI69E-MBTCP

MVI69E-MBTCP (Modbus TCP/IP Enhanced Communication Module) is an enhanced Modbus TCP/IP Ethernet communication module specially designed by ProSoft for the Rockwell CompactLogix platform. Through a single 10/100Mbps Ethernet port, it fully supports Modbus TCP client (Master) and server (Slave) modes, providing a maximum data buffer of 10,000 bytes and 20 concurrent client connections, enabling high-speed and stable Ethernet interconnection between CompactLogix and a large number of Modbus TCP devices (such as inverters, instruments, PLCs, and robots). It is a standard solution for industrial Ethernet Modbus TCP communication. ProSoft Technology Inc. 

I. Model Analysis

MVI69E: Enhanced CompactLogix 1769 platform-specific module

MBTCP: Modbus TCP/IP (Ethernet Modbus Protocol)

Core Positioning: Single Ethernet, Modbus TCP, Client/Server dual mode, 20 concurrent connections, 10,000-byte database, high-speed backplane communication, industrial-grade reliability

II. Core Hardware Specifications

Compatible Platforms: Full series CompactLogix (L1x–L7x), 1769 I/O bus, single-slot installation; does not support MicroLogix 1500 (ProSoft Technology Inc)

Backplane Power Consumption: 500mA @ 5.1VDC (ProSoft Technology Inc)

Ethernet Interface

Ports: 1 10/100Base-TX (RJ45), auto-sensing, Auto-MDIX (ProSoft Technology Inc)

Speed: 10/100 Mbps full/double duplex (ProSoft Technology Inc)

Isolation: 1500Vrms electrical isolation (ProSoft Technology Inc)

Data Buffer: Maximum 10,000 bytes (16-bit) bidirectional shared memory (ProSoft Technology Inc)

LED Status: OK, BP (backplane), ETH (Ethernet) three sets of indicator lights (ProSoft Technology Inc)

Operating Environment

Temperature: 0°C ~ +60°C (ProSoft Technology Inc)

Storage: -40°C ~ +85°C (ProSoft Technology Inc)

Humidity: 5% ~ 95% (no condensation) (ProSoft Technology Inc)

Certifications: CE, UL, cURus, RoHS, ATEX Class I Div 2 (ProSoft Technology Inc)

III. Core Functions and Performance

1. Comprehensive support for Modbus TCP protocol (core advantage)

Dual mode independent operation

Supports both Modbus TCP client (Master) and server (Slave) modes (ProSoft Technology Inc)

Client/server parameters are independently configured and do not interfere with each other (ProSoft Technology Inc)

Modbus TCP client (Master) functions

Maximum 20 concurrent client connections: Poll 20 independent Modbus TCP server devices simultaneously (ProSoft Technology Inc)

Each connection has a maximum of 250 command queues (read/write coils, discrete inputs, input registers, hold registers) (ProSoft Technology Inc)

Command cycle: 1ms ~ 65535ms configurable (ProSoft Technology Inc)

Fault retry mechanism (configurable number of times), ensuring data reliability (ProSoft Technology Inc)

Server status table real-time monitoring, supports fault diagnosis (ProSoft Technology Inc) Modbus TCP Server (Slave) Function

Supports 32 concurrent client connections: Responds to 32 remote Modbus TCP master stations accessing ProSoft Technology Inc

Node address: 1 - 255 (set by software) ProSoft Technology Inc

Responds to all standard Modbus TCP function codes ProSoft Technology Inc

10000-word database is fully open, supporting remote reading and writing ProSoft Technology Inc

Special data format

Supports Enron & Daniel floating point mode, compatible with special equipment in the oil and gas, energy industries ProSoft Technology Inc

Supports 32-bit integers, floating points, string data mapping ProSoft Technology Inc

Supports Modbus UDP protocol (optional) ProSoft Technology Inc

2. Seamless integration with PLC systems

High-speed backplane communication

The module operates independently as a coprocessor, not occupying the PLC CPU scanning time ProSoft Technology Inc

Data exchange delay < 1ms ProSoft Technology Inc

Supports 60/120/240 periodic I/O data mirroring ProSoft Technology Inc

Deep integration with Studio 5000

Provides AOI (Add-On Instruction) and UDT (User Defined Tag) ProSoft Technology Inc

Module status, communication statistics, error codes are directly mapped to the controller tags ProSoft Technology Inc

Configuration files are automatically backed up to PLC projects (ACD files) ProSoft Technology Inc

Supports MSG instructions for dynamic control command execution ProSoft Technology Inc

3. Industrial-grade reliability and maintenance

Electrical isolation

1500Vrms Ethernet isolation protection, anti-surge, anti-static, eliminating ground potential difference ProSoft Technology Inc

Strong diagnostics

Real-time reporting of port status, connection status, command execution results, error counts, communication statistics ProSoft Technology Inc

Grouped error codes by connection/command, quickly locating faults ProSoft Technology Inc

Flexible configuration

ProSoft Configuration Builder (PCB) visual configuration ProSoft Technology Inc

Configuration file export/import, supports batch deployment ProSoft Technology Inc

Remote diagnosis, firmware upgrade ProSoft Technology Inc

Four. Core features and advantages

1. High performance, large capacity

20 concurrent client connections: Single module simultaneously polls a large number of Modbus TCP server devices ProSoft Technology Inc

10000-word database: Satisfies large-scale data acquisition and control requirements ProSoft Technology Inc High-speed Ethernet: 100Mbps full-duplex, data transmission rate far exceeds Serial Modbus. ProSoft Technology Inc.

2. Plug-and-play, easy development

AOI/UDT out-of-the-box ready: No complex programming required, basic configuration completed in 10 minutes. ProSoft Technology Inc.

Transparent diagnostic information: All statuses are visible in the PLC program, simplifying debugging. ProSoft Technology Inc.

Standard Modbus TCP compatibility: No barriers when connecting inverters, instruments, PLCs, robots, etc. ProSoft Technology Inc.

3. Stable and reliable in industrial sites

Single-path fully isolated Ethernet: Protects PLC from electrical interference in the site. ProSoft Technology Inc.

Wide temperature range, no fan: Suitable for harsh environments such as manufacturing, power, oil and gas, water treatment, etc. ProSoft Technology Inc.

Independent operation: Module failure does not affect the PLC host system. ProSoft Technology Inc.

V. Typical application scenarios

Industrial Ethernet data acquisition: CompactLogix reads Modbus TCP instruments (pressure, flow, level, electricity meters). ProSoft Technology Inc.

Equipment control: PLC controls inverters, servo, valves, robots via Ethernet. ProSoft Technology Inc.

Multi-system integration: Rockwell PLC connects with third-party Modbus TCP PLCs, DCS, SCADA. ProSoft Technology Inc.

Renovation of old factories: Upgrade traditional Modbus devices to Ethernet TCP/IP network. ProSoft Technology Inc.

Energy management: Power monitoring, smart meters, equipment data collection for oil and gas fields. ProSoft Technology Inc.

Building automation: HVAC, lighting, fire protection systems with Modbus TCP devices. ProSoft Technology Inc.

VI. Summary

MVI69E-MBTCP is the most powerful Modbus TCP/IP Ethernet communication module for the CompactLogix platform. With single-path fully isolated Ethernet, 20 concurrent clients, 32 server connections, 10,000-byte data buffer, 250 command queues, Enron/Daniel floating-point support, zero PLC scanning load, deep integration with Studio 5000, and industrial-level isolation reliability, it is the core advantage of ProSoft Technology Inc. It is designed specifically for massive Modbus TCP device access, high-speed Ethernet data acquisition, complex site networking, and upgrading of old systems. It is the preferred enhanced solution for Rockwell PLCs to achieve industrial Ethernet Modbus TCP communication. ProSoft Technology Inc.