PROSOFT MVI69E-MBTCP — Enhanced Modbus TCP/IP Communication Module | CompactLogix / MicroLogix Platform
Engineering Background
The Modbus TCP/IP protocol remains the dominant open standard for industrial Ethernet communication, deployed across hundreds of thousands of field devices globally — from energy meters and drives to SCADA gateways and third-party PLCs. ProSoft Technology’s MVI69E-MBTCP was engineered specifically to bridge CompactLogix and MicroLogix backplanes with Modbus TCP/IP networks, eliminating the need for external gateways and reducing both wiring complexity and latency in time-sensitive control loops.
Product Positioning
The MVI69E-MBTCP is the enhanced-generation successor to the MVI69-MBTCP, offering dual-port Ethernet, expanded connection capacity, and deeper integration with Studio 5000 / RSLogix 5000 ladder logic. It is the preferred choice for system integrators and OEMs who require deterministic Modbus TCP/IP polling within a CompactLogix chassis — without external hardware overhead.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | MVI69E-MBTCP |
| Manufacturer | ProSoft Technology |
| Protocol | Modbus TCP/IP (Client & Server) |
| Platform Compatibility | Allen-Bradley CompactLogix, MicroLogix 1500 |
| Ethernet Ports | 2 × RJ-45 (dual-port, independent) |
| Network Speed | 10/100 Mbps, auto-negotiate |
| Client Connections | Up to 100 simultaneous Modbus TCP/IP client sessions |
| Server Connections | Up to 100 simultaneous Modbus TCP/IP server sessions |
| Data Memory | 5,000 registers (input) / 5,000 registers (output) |
| Backplane Interface | CompactLogix in-chassis (1769 bus) |
| Power Consumption | 800 mA @ 5 VDC (from backplane) |
| 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 |
| Certifications | UL, CE, RoHS |
| Dimensions | Single-slot CompactLogix module |
| Configuration Tool | ProSoft Configuration Builder (PCB), Studio 5000 / RSLogix 5000 AOI |
| Firmware Update | Supported via Ethernet |
Proven Application Environments
- Energy & Utilities: Polling power meters, RTUs, and substation IEDs over Modbus TCP/IP from a CompactLogix controller
- Oil & Gas: Integrating third-party flow computers, pressure transmitters, and valve positioners into Rockwell Automation control architectures
- Water & Wastewater: SCADA integration with legacy Modbus RTU devices bridged via Modbus TCP/IP gateways
- Manufacturing & OEM: Multi-axis drive coordination and HMI data exchange using Modbus TCP/IP as the plant-floor Ethernet backbone
- Building Automation: BMS integration with HVAC controllers, chillers, and energy management systems supporting Modbus TCP/IP
- Renewable Energy: Solar inverter and wind turbine monitoring via Modbus TCP/IP registers mapped directly into CompactLogix tags
Engineering Advantages
- Dual-Port Ethernet: Supports linear, ring (DLR), and star topologies without an external switch — reduces BOM cost and panel footprint
- In-Chassis Integration: Direct backplane communication eliminates serial-to-Ethernet converter latency; data exchange occurs at PLC scan rate
- 100 Client + 100 Server Sessions: Handles large-scale polling architectures with hundreds of field devices from a single module slot
- Add-On Instructions (AOI): Pre-built Studio 5000 AOI library accelerates commissioning and standardizes tag mapping across projects
- ProSoft Configuration Builder: Graphical configuration tool with real-time diagnostics, register mapping, and connection monitoring — no CLI required
- Backward Compatible: Drop-in replacement for MVI69-MBTCP with enhanced performance and expanded connection capacity
- Diagnostic LED Array: Module-status, Ethernet-link, and data-activity LEDs enable rapid field troubleshooting without a laptop
System Architecture & Signal Flow
The MVI69E-MBTCP occupies a single slot in the CompactLogix 1769 chassis. On the network side, both Ethernet ports connect to Modbus TCP/IP field devices (as client) or accept inbound connections from SCADA/HMI systems (as server). Internally, the module maps Modbus register data into the CompactLogix I/O image table via the backplane, making all field data available as native controller tags in Studio 5000. Configuration is performed offline in ProSoft Configuration Builder and downloaded to the module via Ethernet — no interruption to the controller program is required during updates.
Signal flow: Field Device ↔ Modbus TCP/IP (Ethernet) ↔ MVI69E-MBTCP ↔ 1769 Backplane ↔ CompactLogix Controller Tags ↔ Studio 5000 / HMI / SCADA
Sourcing & Quality Verification
- All units sourced through verified industrial automation supply channels with full traceability
- Pre-shipment inspection: visual, label authenticity, firmware version, and power-on functional check
- Original ProSoft packaging and documentation included where available
- Serialized units — serial number provided on request for manufacturer warranty verification
- Counterfeit-risk mitigation: holographic label inspection and PCB marking cross-reference performed on every unit
Procurement Process
- Inquiry: Contact support@konmask.com or call +0086 19859288691 with your required quantity and delivery timeline
- Quotation: Formal quotation issued within 1 business day including unit price, lead time, and shipping options
- Order Confirmation: Purchase order accepted via email; proforma invoice issued for payment processing
- Quality Inspection: Pre-shipment inspection completed and inspection report provided on request
- Shipment: DHL / FedEx / UPS express with full tracking; EXW, FOB, and CIF terms available
- After-Sales: 12-month warranty on all units; technical support available for integration and commissioning
Technical FAQ
Q: Is the MVI69E-MBTCP backward compatible with the MVI69-MBTCP?
A: Yes. The MVI69E-MBTCP is a direct enhanced replacement. Existing ladder logic and configuration files can be migrated with minor updates using the ProSoft Configuration Builder migration wizard.
Q: Can the module operate as both Modbus TCP/IP client and server simultaneously?
A: Yes. The module supports concurrent client and server operation on both Ethernet ports, enabling bidirectional data exchange with field devices and SCADA systems at the same time.
Q: What CompactLogix controllers are compatible?
A: The MVI69E-MBTCP is compatible with all 1769 CompactLogix controllers (L1x, L2x, L3x, L4x, L5x series) and MicroLogix 1500 systems with a 1769 expansion bus.
Q: Does the module support Modbus RTU over TCP (encapsulated)?
A: Yes. The MVI69E-MBTCP supports both native Modbus TCP/IP and Modbus RTU encapsulated over TCP, enabling integration with legacy RTU devices connected via serial-to-Ethernet converters.
Q: What is the maximum polling rate?
A: Polling rate depends on network latency and the number of active connections. In typical industrial LAN environments, sub-100ms polling cycles are achievable across all 100 client connections.
Q: Is ProSoft Configuration Builder free?
A: Yes. ProSoft Configuration Builder (PCB) is a free download from the ProSoft Technology website and requires no license for configuration or diagnostics.
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Contact: support@konmask.com | +0086 19859288691
