Industrial Automation Solution – ProSoft MVI69-MNETC | Modbus TCP/IP Multi-Client Module | CompactLogix 1769 Series
The ProSoft MVI69-MNETC is a high-performance Modbus TCP/IP multi-client communication module engineered for Allen-Bradley CompactLogix (1769 backplane) systems. Designed for industrial environments where reliable, real-time data exchange between PLCs and field devices is mission-critical, this module enables seamless integration of Modbus TCP/IP-compatible instruments, drives, meters, and remote I/O into your CompactLogix automation architecture.
At Konmask.com, we supply the MVI69-MNETC to automation engineers, system integrators, and OEM builders across manufacturing, energy, water treatment, and process industries — with verified sourcing, fast lead times, and full technical support.
Where This Product Is Used
The MVI69-MNETC is specified by engineers in demanding industrial applications where Modbus TCP/IP connectivity to CompactLogix is required:
- Water & Wastewater Treatment Plants — Poll flow meters, pressure transmitters, and chemical dosing pumps via Modbus TCP/IP. The multi-client architecture allows simultaneous polling of up to 4 independent device groups without gateway bottlenecks.
- Oil & Gas Upstream/Midstream — Integrate RTUs, flow computers, and SCADA field devices at remote wellheads and compressor stations. The module’s robust design handles electrically noisy environments.
- Power Generation & Utilities — Connect energy meters, UPS systems, and generator controllers to CompactLogix for real-time power monitoring and load management.
- Food & Beverage Processing — Interface with variable frequency drives (VFDs), temperature controllers, and weighing systems on Modbus TCP/IP networks within hygienic production lines.
- Building Automation & HVAC — Bridge CompactLogix PLCs with BACnet-to-Modbus gateways, chillers, AHUs, and smart meters in large commercial facilities.
- Pharmaceutical Manufacturing — Maintain validated communication links to process instruments in GMP-regulated environments where data integrity is paramount.
- Discrete Manufacturing & Assembly — Coordinate robot controllers, servo drives, and vision systems that expose Modbus TCP/IP interfaces alongside EtherNet/IP devices.
- Mining & Minerals Processing — Supervise conveyor drives, crusher controllers, and level sensors distributed across large plant footprints via Ethernet infrastructure.
Technical Specifications
| Part Number | MVI69-MNETC |
| Manufacturer | ProSoft Technology |
| Protocol | Modbus TCP/IP (Client/Master) |
| Backplane Compatibility | Allen-Bradley CompactLogix 1769 (left-side only) |
| Number of Clients | Up to 4 simultaneous Modbus TCP/IP clients |
| Server Connections | Up to 100 Modbus TCP/IP servers per client |
| Ethernet Port | 10/100 Mbps, RJ-45, auto-negotiate |
| Modbus Function Codes | FC01, FC02, FC03, FC04, FC05, FC06, FC15, FC16 |
| Data Memory | 4000 registers (read) + 4000 registers (write) |
| Backplane Current Draw | 800 mA @ 5 VDC |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Dimensions (H × W × D) | 94 mm × 40 mm × 87 mm (standard 1769 module) |
| Weight | Approx. 460 g |
| Certifications | UL Listed, CE Marked, RoHS Compliant |
| Configuration Tool | ProSoft Configuration Builder (PCB) — free download |
| Firmware Update | Via Ethernet port using PCB utility |
Why Engineers Specify This Model
- True Multi-Client Architecture — 4 independent Modbus TCP/IP clients operate concurrently, each with its own command list, polling rate, and error handling. No shared bandwidth or scheduling conflicts between device groups.
- Native CompactLogix Integration — Communicates directly over the 1769 backplane using standard Studio 5000 Add-On Instructions (AOI). No external gateway hardware required.
- High-Density Data Exchange — 4000 input + 4000 output registers provide ample buffer for large-scale polling of distributed field devices without data truncation.
- Flexible Polling Configuration — Per-command enable/disable, adjustable poll rates, and conditional write commands allow engineers to optimize network bandwidth and PLC scan time.
- Robust Error Diagnostics — Module-level and command-level error codes are mapped directly into the PLC data table, enabling ladder logic-based fault handling and HMI alarming without additional programming overhead.
- Proven Field Reliability — ProSoft Technology’s MVI69 series has accumulated millions of operating hours across global industrial installations.
- Free Lifetime Technical Support — ProSoft provides no-charge technical support, sample code, and configuration examples for the MVI69-MNETC throughout the product lifecycle.
Complete System Bill of Materials
A typical CompactLogix Modbus TCP/IP integration using the MVI69-MNETC includes the following components:
- MVI69-MNETC — ProSoft Modbus TCP/IP Multi-Client Module (this product)
- 1769-L3x / 1769-L2x — Allen-Bradley CompactLogix CPU (L30ER, L33ER, L36ERM, etc.)
- 1769-PA2 / 1769-PB2 — CompactLogix Power Supply (120/240 VAC or 24 VDC)
- 1769-ECR / 1769-ECL — CompactLogix End Cap (right or left, as required)
- Managed Ethernet Switch — Industrial-grade (e.g., Stratix 2000, Hirschmann RS20) for Modbus TCP/IP network
- ProSoft Configuration Builder (PCB) — Free software for module configuration and diagnostics
- Studio 5000 Logix Designer — Rockwell Automation programming environment (licensed separately)
- MVI69-MNETC Sample Code / AOI — Available free from ProSoft Technology support portal
Compliance & Industry Standards
- UL 508 — Industrial Control Equipment (UL Listed)
- CE Marking — EMC Directive 2014/30/EU; Low Voltage Directive 2014/35/EU
- RoHS — Restriction of Hazardous Substances Directive 2011/65/EU compliant
- Modbus TCP/IP — Compliant with Modbus.org specification (MBAP framing, standard function codes)
- IEC 61131-3 — Compatible with IEC-standard PLC programming environments via Rockwell Studio 5000
- ATEX / IECEx — Not rated for hazardous locations; use appropriate barriers or enclosures for Zone 1/2 applications
Quality Assurance & Sourcing
Konmask.com sources the MVI69-MNETC exclusively through verified industrial automation distributors and authorized supply channels. Every unit undergoes the following quality process before shipment:
- Visual inspection for physical damage, label integrity, and correct part number/revision marking
- Firmware version verification against ProSoft Technology’s current release documentation
- Packaging inspection — original ProSoft anti-static packaging with intact seals
- Serial number traceability maintained for warranty and authenticity verification
- Certificate of Conformance (CoC) available upon request for regulated industries
We do not supply counterfeit, refurbished-as-new, or grey-market product. All units carry the original ProSoft Technology manufacturer warranty.
How to Source This Part
- Submit an RFQ — Email support@konmask.com with your required quantity, delivery timeline, and destination country.
- Receive Quotation — We respond within 1 business day with pricing, lead time, and shipping options (DHL Express, FedEx, sea freight).
- Order Confirmation — Confirm PO or proforma invoice. Payment via T/T bank transfer, PayPal, or credit card.
- Shipment & Tracking — Units ship from our warehouse with full tracking. Export documentation (commercial invoice, packing list, CoC) provided for customs clearance.
- Technical Onboarding — Our engineers can assist with PCB configuration, Studio 5000 AOI integration, and commissioning questions at no additional charge.
Application-Specific FAQ
Q: Can the MVI69-MNETC poll both Modbus TCP/IP and Modbus RTU devices simultaneously?
A: No. The MVI69-MNETC is a pure Modbus TCP/IP client module. For Modbus RTU (RS-232/RS-485) connectivity, ProSoft offers the MVI69-MNET (combined TCP + RTU) or MVI69-MCM (Modbus RTU only). Contact us to confirm the correct model for your application.
Q: How many Modbus TCP/IP server devices can the MVI69-MNETC communicate with?
A: Each of the 4 clients can address up to 100 servers, giving a theoretical maximum of 400 unique server connections. Practical throughput depends on polling frequency and network latency.
Q: Is the MVI69-MNETC compatible with CompactLogix L8x (5380) controllers?
A: No. The MVI69 series uses the 1769 backplane and is compatible with 1769-L1x through 1769-L4x CompactLogix controllers. For 5380-series (Compact 5000) systems, ProSoft offers the PLX51-MNET-CLIENT module.
Q: Can I use the MVI69-MNETC as a Modbus TCP/IP server (slave)?
A: The MVI69-MNETC is a client-only module. For server/slave functionality, consider the MVI69-MNET which supports both client and server roles.
Q: What is the typical configuration time for a new installation?
A: An experienced engineer familiar with ProSoft Configuration Builder and Studio 5000 can complete a basic configuration in 2–4 hours. Konmask.com provides sample configuration files and AOI templates to accelerate commissioning.
Q: Does Konmask.com ship the MVI69-MNETC internationally?
A: Yes. We ship worldwide via DHL Express, FedEx International, and sea freight. Export documentation is provided for all international shipments. Contact us for country-specific lead times and shipping costs.
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