Product Description of ProSoft MVI69-ADM

MVI69-ADM (Application Development Module) is a C language programmable application development module specially designed by ProSoft for the Rockwell CompactLogix / MicroLogix 1500 platform. It enables users to independently run custom C programs on the module, achieving highly customized functions such as non-standard protocol communication, proprietary algorithm protection, and high-speed data processing. It is the core development tool for the CompactLogix platform to address special control requirements. 

I. Model Analysis

MVI69: Specialized module for CompactLogix / MicroLogix 1769 platform

ADM: Application Development Module (Application Development Module)

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

II. Core Hardware Specifications

Compatible Platforms: Rockwell CompactLogix (L20/L30/L35/L43/L45), MicroLogix 1500 LRP

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), debugging / configuration / program download

PRT1 / PRT2: 2-channel 2.5kV optically isolated application serial ports

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

Baud Rate: 110bps ~ 115.2kbps

Connector: DB9 pin

Memory:

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

RAM: 512KB (program execution, data cache)

Data Buffer:

Input / Output Mirroring: Maximum 4000 bytes / direction

Shared Data Area: 64KB (PLC ↔ ADM high-speed interaction)

Status Indicators: OK, APP, ERR, PRT1, PRT2, CFG six groups of LEDs

Operating Temperature: 0°C ~ +60°C

Storage Temperature: -40°C ~ +85°C

Humidity: 5% ~ 95% (no condensation)

Anti-interference: Vibration 5g (10~1500Hz), shock 30g (running) / 50g (non-running)

Certifications: CE, UL, cURus, RoHS

III. Core Functions and Performance

1. C Language Programmable (Core Advantage)

Development Environment: Standard C language (ProSoft dedicated compiler / library)

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

Independent Operation: C program is fully independent and executed without occupying PLC scan cycle

Algorithm Protection: Dedicated algorithms are solidified in Flash, preventing copying and reverse engineering

Development Support: Provides serial port, backplane, timer, interrupt function libraries and routines

2. Dual Isolated Serial Port Feature

Dual Ports Independent: PRT1/PRT2 can be independently configured and run with different protocols

Electrical Isolation: 2.5kV optically isolated, stable and reliable in strong electromagnetic environment

Multi-machine Network: RS-485 supports 32 nodes for multi-point communication

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

3. Backplane High-Speed Communication

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

Interaction Mode:

Periodic Input / Output Data Mirroring

64KB Shared RAM (random read/write, event triggered)

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

Transmission Delay: Backplane data exchange < 1ms

4. Advanced Development Features Multitasking: Supports multi-threaded C programs (serial port, algorithm, timing tasks)

Interrupts: Serial port receive/send interrupts, timing interrupts, backplane interrupts

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

Hot-swappable: Supports online replacement of CompactLogix rack

Power-off protection: Flash storage of programs/configurations, no data loss during power-off

Firmware upgrade: Supports online firmware update via CFG port

Four. Core Features and Advantages

1. Highly customizable (solves non-standard issues)

Breakthrough PLC limitations: Implement non-standard protocols, dedicated messages, encryption algorithms, high-speed acquisition

Two independent serial ports: Run two different protocols/devices simultaneously, single module solves multi-device access

Independent computation: Complex mathematical operations, filtering, logical judgment do not occupy PLC scanning time

2. Industrial-grade reliability and security

2.5kV photoelectric isolation: Protect PLC and modules from surges and interference

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

Algorithm encryption: Core intellectual property is securely fixed, preventing leakage

3. Seamless Rockwell integration

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

Provide Studio 5000 AOI, ladder diagram routines, configuration software

Data transparent mapping: C program variables ↔ PLC labels directly correspond

4. Convenient development, simple maintenance

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

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

Configuration backup / restoration: Quick deployment, batch copying

Five. Typical Application Scenarios

Non-standard protocol communication: Connect to dedicated instruments, sensors, old equipment's private serial port protocols

Algorithm encryption / decryption: Industrial data encryption transmission, security authentication, key verification

High-speed data acquisition: High-frequency sensors, high-speed counters, waveform acquisition (PLC scanning cannot keep up)

Multi-protocol gateway: Single module implements Modbus ↔ dedicated protocols bidirectional conversion

Intellectual property protection: Core control algorithms, process formulas, securely fixed in the module, preventing replication

Complex mathematical operations: FFT, PID optimization, predictive control, big data filtering

Old equipment renovation: Equipment without protocol documentation, connect to CompactLogix system

Six. Summary

MVI69-ADM is a C language programmable universal application development module for the CompactLogix platform. With independent 32-bit CPU, dual isolated serial ports, standard C programming, 64KB high-speed shared memory, seamless backplane integration, industrial-grade reliability, algorithm security encryption as the core advantages, it is specifically designed to solve non-standard communication, proprietary algorithms, high-speed data, and intellectual property protection PLC standard functions that cannot be achieved, and is the preferred development tool for industrial automation projects to break through technical limitations and protect core technologies.