Product Description of ProSoft MVI69-S3964R

MVI69-S3964R (Siemens 3964R Protocol Communication Module) is a dual-channel independent 3964R/RK512 serial communication module developed by ProSoft specifically for the Rockwell CompactLogix/MicroLogix platform. It provides 2 fully isolated RS-232/422 ports and supports the Siemens 3964R point-to-point protocol and RK512 communication, enabling high-speed and reliable data interconnection between Rockwell PLC and Siemens S5/S7 systems, as well as third-party 3964R devices. It is an industrial-grade standard solution for heterogeneous system integration. ProSoft Technology Inc. 

I. Model Analysis

MVI69: Standard Series of CompactLogix 1769 Platform

S3964R: Siemens 3964R Protocol (including RK512)

Core Positioning: Dual Independent Serial Ports, Full Electrical Isolation, 3964R/RK512, Point-to-Point Communication, BCC Check, Large Capacity Data, Single Slot, Zero PLC Load

II. Core Hardware Specifications

Compatible Platforms

CompactLogix: L20/L23/L30/L31/L32/L35, L43/L45 (v16.03+)

MicroLogix: 1500 LRP

1769 I/O Bus, Single Slot Installation

Backplane Power Consumption: Maximum 800mA @ 5.1VDC

Serial Interfaces (3 Ports)

Application Ports (P1, P2): 2 Independent Paths, Jumper Options for RS-232/RS-422, RJ45 (with DB9 Adapter) ProSoft Technology Inc

RS-232: Supports Software Handshaking

RS-422: Full Duplex, Long Distance (1200m)

Configuration Port (CFG): 1 Path, Only RS-232, Used for Configuration / Debugging ProSoft Technology Inc

Electrical Isolation: 500Vrms Optical Isolation (Between Backplane and Serial Ports) ProSoft Technology Inc

Baud Rate: 110 ~ 115200 bps ProSoft Technology Inc

Data Format: 8 Data Bits, 1 Stop Bit, Even Check (3964R Standard)

Protocol Support

3964R: Siemens Standard Point-to-Point Protocol, BCC Check, Data Integrity Assurance

RK512: Supports Message Frames, Read/Write Services, Compatible with Siemens S5/S7 Communication ProSoft Technology Inc

Data Buffer: 4000 Bytes (2000 Bytes Read / 2000 Bytes Write) Bidirectional Shared Database ProSoft Technology Inc

Communication Capacity

Dual Port Independent Operation, Point-to-Point Peer-to-Peer Communication

Support for Sending / Receiving Messages, Data Block Read/Write, Status Monitoring ProSoft Technology Inc

LED Status: OK, BP, CFG, P1, P2, ERR Six Sets of Indicators

Operating Environment

Temperature: 0°C ~ +60°C

Storage: -40°C ~ +85°C

Humidity: 5% ~ 95% (No Condensation)

Certification: CE, UL, cURus, RoHS ProSoft Technology Inc

III. Core Functions and Performance

1. 3964R/RK512 Dual Protocol Communication (Core Advantage)

3964R Point-to-Point Protocol

Siemens Standard: Reliable, Point-to-Point, Bidirectional Data Exchange

BCC Block Check: Ensures 100% Data Integrity in Transmission

Automatic Redundancy, Timeout Handling, Link Monitoring: Industrial-grade Reliability ProSoft Technology Inc

Peer-to-Peer Communication: No Master/Slave Division, Both Parties Actively Send and Receive

RK512 Expansion Function

Support for Message Frames (MESSAGE), Read/Write Data Blocks ProSoft Technology Inc

Compatible with Siemens S5, S7 System's Standard Communication Services ProSoft Technology Inc Variable address mapping: Direct read and write to each other's data area. ProSoft Technology Inc.

Dual ports are completely independent.

Ports P1 and P2 do not interfere with each other and have independent configuration parameters and protocols.

Dual links in parallel: Connect two 3964R devices simultaneously.

RS-232/422 dual mode: Adapt to short-distance / long-distance, point-to-point / multi-point networking. ProSoft Technology Inc.

2. Seamless integration with PLC system

Deep integration with Studio 5000 / RSLogix

Provide AOI, UDT, example ladder diagram programs: No need for low-level programming

Module status, port status, data transmission, error codes are all mapped to PLC tags

Configuration files are saved to PLC project, and one-click backup / restoration are available. ProSoft Technology Inc. ProSoft Configuration Builder (PCB)

Visualization parameter configuration, message editing, data monitoring ProSoft Technology Inc

Online debugging, message capture, event logs, error diagnosis ProSoft Technology Inc

Configuration export/import, batch deployment, project cloning

3. Industrial-grade reliability

Full electrical isolation

500Vrms isolation: anti-surge, anti-static, eliminating ground circulation, protecting PLC and field devices ProSoft Technology Inc

Powerful diagnostics and fault tolerance

Automatic reconnection in case of disconnection, retry on timeout, error counting ProSoft Technology Inc

Detailed status codes, event logs, communication quality statistics ProSoft Technology Inc

Dual-port redundancy, hot backup of critical links ProSoft Technology Inc

Independent operation

Zero PLC CPU load,不影响 system scanning time

Module failure does not affect PLC host

Four. Core features and advantages

1. Professional 3964R communication

Compatible with Siemens original factory： 100% compatible with S5/S7 3964R/RK512 ProSoft Technology Inc

BCC verification + automatic retransmission： zero data loss

Dual independent ports： double connection capability， saving slots

500V full isolation： stable operation in extreme industrial environments ProSoft Technology Inc

2. Flexible， universal

RS-232/422 dual mode： short distance / long distance， point-to-point / multi-point full compatibility ProSoft Technology Inc

3964R/RK512 dual protocols： compatible with all Siemens 3964R devices ProSoft Technology Inc

Peer-to-peer communication： no master-slave restriction， flexible networking

Single slot， high integration： saving space， reducing cost

3. Easy to use， reliable

AOI/UDT out of the box ready： rapid development， reducing debugging

PCB visualization configuration： lowering technical threshold， improving efficiency ProSoft Technology Inc

Industrial-grade design， wide temperature range， no fan： long-term stability， maintenance-free

3-year warranty， global technical support： guarantee investment， trouble-free operation ProSoft Technology Inc

Five. Typical application scenarios

Rockwell ↔ Siemens interconnection： CompactLogix ↔ S5/S7 PLC 3964R high-speed data exchange ProSoft Technology Inc

Old plant system integration： S5 system integration into CompactLogix new system ProSoft Technology Inc

Point-to-point device communication： CompactLogix connects 3964R instruments， HMI， drivers

Dual-link redundancy： critical equipment dual 3964R links hot backup ProSoft Technology Inc

Long-distance communication： RS-422 full duplex， reliable transmission up to 1200m ProSoft Technology Inc

OEM equipment： dual-port parallel connection of two Siemens devices

Six. Summary

MVI69-S3964R is a professional-level solution for 3964R/RK512 communication on the CompactLogix platform. With dual independent fully isolated serial ports (RS-232/422), 3964R/RK512 dual protocols, BCC data verification, peer-to-peer point-to-point communication, 4000-word large-capacity database, zero PLC load, deep integration with Studio 5000, industrial-grade reliability as core advantages, specifically designed for Rockwell-Siemens system interconnection, upgrading of old factory S5, point-to-point device communication, long-distance reliable data exchange, and dual-link redundant design, it is a high-performance, highly reliable, one-stop industrial-grade standard module for Rockwell PLC to access Siemens 3964R network. ProSoft Technology Inc.