MOTOROLA MVME-376

Description

Detailed Parameter Table

MOTOROLA MVME-340

Product Introduction

The Motorola MVME-376 is a legacy advanced multi-protocol communication module from Motorola’s iconic MVME series, engineered to unify token-bus, PROFIBUS-DP, and serial connectivity for high-performance VMEbus-based automation systems. As a 3U device, it builds on the capabilities of earlier MVME communication modules (e.g., Motorola MVME-372, Motorola MVME-374) by adding PROFIBUS-DP support and a more powerful MC68030 processor—filling a critical niche in complex industrial setups where diverse fieldbuses coexist.

In automation architectures, the Motorola MVME-376 acts as a “fieldbus gateway”: its PROFIBUS-DP port connects to distributed I/O modules (e.g., sensors, actuators) in manufacturing cells, while the IEEE 802.4 token-bus port links to factory-wide MAP networks for centralized control. Unlike single-protocol modules, the Motorola MVME-376 enables seamless data translation between PROFIBUS-DP (shop-floor) and token-bus (plant-level) networks—eliminating the need for external gateways. Today, the Motorola MVME-376 remains indispensable for maintaining legacy industrial networks in sectors like automotive, chemical, and heavy machinery—where replacing multi-fieldbus infrastructure would disrupt proven, low-latency workflows.

Core Advantages and Technical Highlights

Dual Fieldbus Support for Seamless Shop-Floor-to-Plant Integration: The Motorola MVME-376’s integration of PROFIBUS-DP (shop-floor) and IEEE 802.4 token-bus (plant-level) eliminates data silos in complex automation systems. For example, in an automotive paint shop, the Motorola MVME-376 uses PROFIBUS-DP to collect data from 32 paint spray valve controllers (real-time, 12 Mbps) and translates it to token-bus for transmission to a central Motorola MVME5500-0161 SBC—enabling both local cell control and factory-wide production monitoring. This dual-protocol capability cuts integration costs by 40% compared to using separate PROFIBUS and token-bus modules.

PROFIBUS-DP Certification for Industrial Reliability: As a PROFIBUS International-certified module, the Motorola MVME-376 guarantees interoperability with thousands of PROFIBUS-DP devices (e.g., Siemens, Phoenix Contact I/O modules)—critical for multi-vendor industrial setups. In a chemical plant, the module connects to 64 PROFIBUS-DP pressure/temperature sensors across 8 reaction vessels; its certified protocol stack ensures zero data corruption and <1 ms latency for safety-critical control signals. This certification also simplifies maintenance, as technicians can use standard PROFIBUS tools (e.g., PROFIBUS Tester) to troubleshoot communication issues.

Enhanced Processing Power for Complex Data Translation: The Motorola MVME-376’s MC68030 processor (25 MHz) delivers 2x the performance of earlier MC68020-based modules (e.g., Motorola MVME-374), enabling real-time data translation between protocols. For instance, in a food packaging line, the module converts PROFIBUS-DP-based encoder data (product count) to token-bus-compatible messages for the plant’s SCADA system—all while running a local diagnostic routine to monitor sensor health. The 1 MB Flash memory also supports firmware updates for new protocol versions (e.g., MAP 3.1), extending the module’s service life by 5–7 years.

Typical Application Scenarios

The Motorola MVME-376 excels in legacy multi-fieldbus industrial systems requiring shop-floor-to-plant data integration. In a 2000s-era automotive assembly plant using Motorola MVME5500-0161 SBCs, the Motorola MVME-376 serves as a critical gateway: its PROFIBUS-DP port connects to 48 robotic arm I/O modules (controlling gripper position, weld current) in 4 assembly cells, while the token-bus port transmits production data (units per hour, defect rates) to the factory’s MAP network. The module’s -20°C–70°C operating range withstands the plant’s cold winter startups and summer heat, while its EMC immunity resists interference from welding robots.

In a municipal waste-to-energy plant, the Motorola MVME-376 integrates with 32 PROFIBUS-DP-based combustion sensors (monitoring temperature, CO levels) and 16 token-bus-connected turbine controllers. It translates sensor data to token-bus for the central control system, which adjusts turbine speed based on combustion efficiency. The module’s hardware watchdog timer also adds redundancy: if communication fails, it triggers a safe-state (e.g., reducing fuel flow) to prevent equipment damage—critical for the plant’s 24/7 operation.

MOTOROLA MVME-340

Related Model Recommendations

Motorola MVME5500-0161: High-Performance VME SBC. Host controller for the Motorola MVME-376; processes multi-protocol data, executes control logic, and manages VMEbus master operations.

Motorola MVME-374: Multi-Protocol Module. Earlier variant of Motorola MVME-376; lacks PROFIBUS-DP support but suitable for token-bus/RS-485-only systems (cost-effective backup for legacy setups).

Siemens SIMATIC ET200M: PROFIBUS-DP I/O Module. Pairs with Motorola MVME-376; adds 32 digital/analog I/O channels for PROFIBUS-DP-based shop-floor control.

Emerson RSTi-EP PROFIBUS Gateway: Modern Replacement. Replaces Motorola MVME-376 in Ethernet migrations; converts PROFIBUS-DP/token-bus data to Ethernet/IP for integration with modern SCADA.

Motorola FLN4234A: Ethernet Communication Module. Bridges Motorola MVME-376 to cloud platforms; transmits PROFIBUS/token-bus data via 4x Ethernet ports for remote monitoring.

Motorola MVME162-022A: High-Density Digital I/O. Complements Motorola MVME-376 by adding 64 discrete channels (for local control) in multi-protocol systems.

Phoenix Contact PROFIBUS Repeater: Signal Booster. Extends Motorola MVME-376’s PROFIBUS-DP range beyond 1200 meters; ideal for large-scale sensor networks in factory campuses.

Installation, Commissioning and Maintenance Instructions

Installation preparation: Before installing the Motorola MVME-376, power off the VME chassis and disconnect the power supply (ensure compatibility with +5 VDC/2.0 A, ±12 VDC/0.5 A) to prevent electrical shock. Verify the chassis has an available 3U VME slot and that the VME backplane supports 32-bit master mode. Use an anti-static wristband and mat to protect the module’s processor and fieldbus chips from ESD damage. Gather tools: Phillips-head screwdriver (chassis mounting), twisted-pair cables (PROFIBUS-DP/token-bus), RS-232C cable (HMI), torque wrench (0.5–0.8 N·m for terminals), and a PROFIBUS tester (to validate fieldbus setup). Avoid installing near high-EMI sources (e.g., variable-frequency drives) or heat vents to prevent signal corruption.

Maintenance suggestions: For routine care, inspect the Motorola MVME-376’s LEDs monthly—green “active” LEDs confirm fieldbus/serial connectivity, while red “fault” LEDs alert to PROFIBUS collisions or token-bus dropouts. Clean the module quarterly with compressed air (low pressure) to remove dust from the VME connector. Every 6 months, update firmware via Flash memory (using Motorola’s legacy tools) to patch protocol vulnerabilities, and test PROFIBUS-DP latency with a certified tester (ensure <1 ms). If a port fails, reconfigure a spare port via the host SBC; replace the module if fieldbus chips malfunction. Store spare EEPROM chips to preserve protocol configurations during replacement.

Service and Guarantee Commitment

We back the Motorola MVME-376 with a 90-day warranty for all refurbished units, covering defects in multi-protocol communication, PROFIBUS certification compliance, and LED indicators. Each refurbished Motorola MVME-376 undergoes rigorous testing: 24-hour PROFIBUS-DP data transfer (12 Mbps, zero packet loss), token-bus latency validation (<1 ms), and temperature cycling (-20°C–70°C)—ensuring compliance with original Motorola and PROFIBUS International standards.

Our 24/7 technical support team provides guidance on Motorola MVME-376 installation, PROFIBUS-DP configuration, and integration with VME SBCs. We offer customized maintenance plans: quarterly remote fieldbus health checks (via FLN4234A) and semi-annual on-site PROFIBUS testing. Our spare parts inventory includes critical components (MC68030 processors, PROFIBUS chips) for fast repairs, minimizing downtime. For users modernizing to Ethernet, we provide free consultation to pair Motorola MVME-376 with Emerson’s RSTi-EP gateways, ensuring a seamless transition while retaining legacy PROFIBUS/token-bus devices.