Product Description of ProSoft MVI69-ADMNET

MVI69-ADMNET (Application Development Module with Ethernet) is a C-language programmable application development module with Ethernet specially designed by ProSoft for the Rockwell CompactLogix/MicroLogix 1500 platform. It adds 10/100Mbps Ethernet ports to the MVI69-ADM model and supports custom C programs, dual isolated serial ports, Ethernet communication (such as Modbus TCP/IP, EtherNet/IP, etc.). It is the core development tool for the CompactLogix platform to achieve highly customized communication + Ethernet networking. 

I. Model Analysis

MVI69: Specialized module for CompactLogix / MicroLogix 1769 platform

ADM: Application Development Module

NET: Integrated 10/100Mbps Ethernet interface

Core Positioning: C language programmable, independent operation, dual isolated serial ports, Ethernet networking, algorithm protection

II. Core Hardware Specifications

Compatible Platforms: Rockwell CompactLogix (L20/L30/L35/L43/L45 etc.), MicroLogix 1500 LRP, Soft Technology Inc.

Incompatible: 1769-L23E-QBFC1B, 1769-L16x, 1769-L18x

Slot Occupancy: Single slot (standard 1769 size)

Backplane Power Consumption: 800mA @ 5.1VDC, 3mA @ 24VDC

Processor: 32-bit high-speed RISC CPU (independent of PLC, does not occupy main CPU resources)

Serial Port Configuration (3 Ports):

CFG: RS-232 (RJ45/DB9), used for debugging / configuration / program download

PRT1 / PRT2: 2 fully isolated application serial ports

Electrical Standards: RS-232/RS-422/RS-485 software configurable

Isolation Voltage: 2.5kV photoelectric isolation

Connector: DB9 pin

Ethernet Interface (1 Port):

Standard: 10/100Base-TX adaptive

Connector: RJ45

Protocols: Supports Modbus TCP/IP client/server, EtherNet/IP, custom TCP/UDP

Connection Number: Maximum 32 concurrent TCP connections

Memory:

Flash: 512KB (stores C programs, configuration, firmware)

RAM: 512KB (program execution, data cache)

Data Buffer:

Input/Output Mirror: Maximum 4000 bytes / direction

User Data Area: 64KB shared RAM (PLC ↔ ADMNET high-speed interaction)

Status Indicators: OK, APP, ERR, PRT1, PRT2, CFG, LINK, ACT eight groups of LEDs

Operating Temperature: 0°C ~ +60°C

Storage Temperature: -40°C ~ +85°C

Humidity: 5% ~ 95% (no condensation)

Anti-interference: Vibration 5g, shock 30g (running) / 50g (non-running)

Certifications: CE, UL, cURus, RoHS

III. Core Functions and Performance

1. C language programmable (core advantage)

Development Environment: Supports standard C language programming (ProSoft dedicated compiler/library)

Operating System: Real-time multi-tasking kernel (DOS 6-XL)

Independent Operation: C program is fully executed on the module, not affecting PLC scanning

Algorithm Protection: Dedicated algorithms are fixed in the module Flash, preventing copying and reverse engineering

Development Support: Provides function libraries (serial port, Ethernet, backplane, timer, interrupt), routines, debugging tools

2. Dual Isolated Serial Port Performance

Baud Rate: 110bps ~ 115.2kbps fully configurable

Data Format: 7/8 data bits, 1/1.5/2 stop bits, odd/even/no parity

Flow Control: RTS/CTS, XON/XOFF configurable Work mode: Full-duplex / Half-duplex, Point-to-point / Multi-point (RS-485)

Single port maximum nodes: RS-485 supports 32 nodes, multi-slave network

3. Ethernet communication performance

Modbus TCP/IP: Supports 32 client/server connections, function codes 01-06, 08, 15, 16, 22, 23

EtherNet/IP: Supports explicit information messages, PLC tag reading and writing

Custom TCP/UDP: Supports Socket programming to implement private Ethernet protocol

Data throughput: Ethernet data exchange < 5ms delay

IP configuration: Static IP, DHCP automatic acquisition

4. Backplane communication (PLC interaction)

Data interaction: Through 1769 backplane for high-speed data exchange with CompactLogix

Interaction mode:

Input / Output data mirroring (periodic)

64KB shared data area (random read/write, event triggered)

Support MSG instructions, ladder diagram AOI, status/error code reporting

Data throughput: Backplane data exchange < 1ms delay

5. Advanced development features

Multi-task: Supports multi-threaded C programs (serial port task, Ethernet task, algorithm task, timing task)

Interrupts: Serial port receive/send interrupt, Ethernet interrupt, timing interrupt, backplane interrupt

Timers: High-precision software timers (1ms resolution)

Hot swapping: Supports CompactLogix rack replacement online

Power-off protection: Flash stored programs/configuration, no loss of data upon power failure

Firmware upgrade: Supports online firmware update via CFG port or Ethernet

4. Core features and advantages

1. Highly customizable (solving non-standard + Ethernet issues)

Break through PLC limitations: Achieve non-standard protocols, dedicated messages, encryption algorithms, high-speed acquisition, Ethernet networking, etc. that are difficult for PLC to accomplish

Two independent serial ports + Ethernet: Run two serial port protocols + one Ethernet protocol simultaneously, a single module solves the access and networking of multiple devices + networking

Independent calculation: Complex mathematical operations, filtering, logical judgment, protocol conversion do not occupy PLC scanning time

2. Industrial-grade reliability and security

2.5kV photoelectric isolation: Protect PLC and modules in strong electromagnetic environments

Independent CPU: Module failure does not affect the operation of the PLC host

Algorithm encryption: Core intellectual property is securely fixed to prevent leakage

Ethernet isolation: Built-in network isolation to protect PLC from network attacks

3. Seamless Rockwell integration

Single slot, backplane power supply, no additional power / wiring required

Provide Studio 500 AOI, ladder diagram routines, configuration software

Data transparent mapping: C program variables ↔ PLC tags directly corresponding

4. Convenient development, simple maintenance

Standard C language: Engineers can quickly get started, reducing development barriers

Debugging tools: Serial port debugging, Ethernet debugging, online monitoring, breakpoint debugging, log recording

Configuration backup / restoration: Quick deployment, batch copying

5. Typical application scenarios

Non-standard protocol + Ethernet gateway: Connect to dedicated instruments, sensors, old equipment's private serial port protocols, and upload data through Modbus TCP/IP

Industrial data encryption transmission: Serial port data acquisition + Ethernet encrypted upload, security authentication, key verification

High-speed data acquisition + networking: High-frequency sensors, high-speed counters, waveform acquisition (PLC scanning cannot keep up), upload through Ethernet in real time Multi-protocol Hybrid Gateway: Single-module implementation for Modbus RTU ↔ Modbus TCP/IP, and dedicated protocol ↔ EtherNet/IP bidirectional conversion

Intellectual Property Protection: Core control algorithms and process formulas are solidified in the module and are protected from replication

Complex mathematical operations + Remote Monitoring: FFT, PID optimization, predictive control, big data filtering, results are remotely monitored via Ethernet

Renovation of Old Equipment + Networking: Protocol-less document equipment connected to the CompactLogix system and accessed via Ethernet to the factory network

VI. Summary

MVI69-ADMNET is a CompactLogix platform with Ethernet-enabled C language programmable universal application development module. With independent 32-bit CPU, dual isolated serial ports, 10/100Mbps Ethernet, standard C programming, 64KB high-speed shared memory, seamless backplane integration, industrial-grade reliability, and algorithm security encryption as its core advantages, it is specifically designed to address customized requirements that cannot be achieved by PLC standard functions such as non-standard communication, proprietary algorithms, high-speed data, Ethernet networking, and intellectual property protection. It is the preferred development tool for industrial automation projects to break through technical limitations, protect core technologies, and achieve device networking.