MOTOROLA MVME712/M

Description

Detailed Parameter Table

MOTOROLA MVME712/M

Product Introduction

The Motorola MVME712/M is a dedicated VMEbus communication module, engineered to enable data transmission between VMEbus-based automation systems and external networks—serving as the “connectivity bridge” for critical components like the Motorola MVME172-263/260 SBC, Motorola MVME162-533A analog I/O module, and Motorola 30-W2960B01A power distribution module. As a 3U VME form factor device, it integrates dual Ethernet ports and configurable serial ports, addressing the industrial need for reliable, multi-protocol communication in legacy VME ecosystems.

A defining strength of the Motorola MVME712/M is its protocol versatility. Its Ethernet ports support TCP/IP and UDP for seamless integration with SCADA systems or cloud-based monitoring platforms, while its RS-232/422/485 serial ports (software-selectable) enable communication with legacy devices like barcode scanners or remote I/O nodes. This flexibility eliminates the need for separate communication adapters, simplifying system design and reducing VME chassis slot usage.

Whether deployed in manufacturing control networks, process automation plants, or remote monitoring stations, the Motorola MVME712/M ensures critical data flows reliably. Its passive heat dissipation design avoids fan-related failures in dusty industrial environments, while its compliance with industrial EMC standards minimizes interference from nearby machinery. These features make it an essential component for legacy VME systems that require secure, efficient connectivity to external devices or central control systems.

Core Advantages and Technical Highlights

Dual Ethernet + Configurable Serial Ports for Multi-Scenario Connectivity

The Motorola MVME712/M’s hybrid interface design (2x Ethernet + 2x serial) adapts to diverse industrial communication needs. Its 10/100Base-T Ethernet ports enable high-speed data transfer (up to 100 Mbps) between the Motorola MVME172-263/260 SBC and central SCADA systems—critical for real-time process monitoring (e.g., transmitting pH or pressure data from the Motorola MVME162-533A). The serial ports, configurable as RS-232 (short-range, point-to-point), RS-422 (differential, multi-drop), or RS-485 (long-range, up to 1200 meters), connect to legacy devices like motor drives or HMI panels. For example, in a wastewater treatment plant, one serial port can communicate with a local HMI (RS-232), while the other links to a remote pump controller (RS-485)—all managed by a single Motorola MVME712/M module.

Seamless Integration with Motorola VME Ecosystem

The Motorola MVME712/M is purpose-built to work with other Motorola VME components, ensuring plug-and-play compatibility without custom configuration. When paired with the Motorola MVME172-263/260 SBC, the module is automatically recognized via the VMEbus, allowing the SBC to control communication parameters (e.g., Ethernet IP address, serial baud rate) through software. It draws power from the Motorola 30-W2960B01A distribution module (via the VME backplane), eliminating the need for external power wiring. This ecosystem integration reduces setup time by 40% compared to third-party communication modules, which often require manual driver installation or hardware modifications.

Industrial-Grade Reliability and EMI Immunity

Designed for harsh industrial environments, the Motorola MVME712/M features passive heat dissipation (no fans) to avoid dust accumulation in critical components—essential for food processing plants or mining facilities where airborne particles can cause fan failure. Its compliance with IEC 61000-6-2 (industrial EMC immunity) ensures stable operation even in high-noise environments (e.g., near large motors or welding equipment), preventing data corruption during transmission. For instance, in an automotive assembly line, the module maintains consistent Ethernet communication between the Motorola MVME172-263/260 and a robotic arm controller, even amid electromagnetic interference from nearby welding machines.

Protocol Support for Legacy and Modern Systems

The Motorola MVME712/M’s firmware supports both legacy and modern industrial protocols, bridging the gap between old and new automation infrastructure. Its Modbus RTU/TCP support enables communication with thousands of industrial devices (e.g., sensors, actuators) that rely on this widely adopted protocol, while TCP/IP compatibility allows integration with modern Ethernet-based systems like MES (Manufacturing Execution Systems). This versatility is invaluable for facilities undergoing gradual modernization: the Motorola MVME712/M can simultaneously transmit data from a legacy Motorola MVME162-533A (via Modbus RTU) to a new cloud platform (via TCP/IP), avoiding the need for a complete system overhaul.

MOTOROLA MVME712/M

Typical Application Scenarios

The Motorola MVME712/M is a critical connectivity component in VMEbus automation systems, linking core modules like the Motorola MVME172-263/260 and Motorola MVME162-533A to external networks. In automotive paint shops, it enables real-time process monitoring: the module’s Ethernet port transmits temperature and pressure data (collected by the Motorola MVME162-533A) to a central SCADA system, ensuring paint curing conditions stay within specifications. One serial port (configured as RS-485) connects to a line of barcode scanners, tracking vehicle identification numbers (VINs) and associating them with paint quality data. The module’s passive cooling design withstands the high temperatures of the paint shop, while its EMI immunity prevents data loss from nearby air compressors.

In chemical refineries, the Motorola MVME712/M facilitates remote control of critical processes. Its Ethernet port links the Motorola MVME172-263/260 SBC to a plant-wide DCS (Distributed Control System), allowing operators to adjust valve positions (via the Motorola MVME162-533A) from a safe, off-site control room. A serial port (RS-232) connects to a local HMI panel, providing on-site technicians with backup control capabilities in case of Ethernet network outages. The module’s compliance with industrial safety standards ensures it operates reliably in hazardous areas (when installed in an explosion-proof enclosure), while its data buffering (64 KB SRAM) prevents data loss during temporary network disruptions.

For remote wind farms, the Motorola MVME712/M serves as a communication gateway between on-turbine VME systems and a central monitoring platform. Each turbine’s VME chassis—equipped with a Motorola MVME172-263/260 (processing vibration data) and Motorola MVME162PA-344 (monitoring wind speed)—uses the Motorola MVME712/M’s Ethernet port to transmit operational data to a cloud-based dashboard. A serial port (RS-485) connects to a battery monitoring system, ensuring the turbine’s backup power remains functional. The module’s wide temperature tolerance (0°C – 60°C) withstands the extreme conditions of turbine nacelles, while its low power consumption (drawing from the Motorola 30-W2960B01A) aligns with the farm’s energy efficiency goals.

Related Model Recommendations

Motorola MVME172-263/260: VME SBC. Host controller for Motorola MVME712/M; configures the communication module and processes data from Ethernet/serial ports.

Motorola MVME162-533A: Analog I/O module. Key data source for Motorola MVME712/M; transmits sensor/actuator data to external networks via the communication module.

Motorola 30-W2960B01A: Power distribution module. Supplies 24 VDC power to Motorola MVME712/M (via VME backplane); ensures stable power for communication operations.

Emerson MVME712M-ET: Modern communication module. Successor to Motorola MVME712/M with Gigabit Ethernet (1000Base-T) and enhanced cybersecurity features (e.g., IPsec).

Motorola MVME717: VMEbus serial communication module. Dedicated serial-only alternative to Motorola MVME712/M; ideal for systems requiring more than 2 serial ports (e.g., 4x RS-232/485).

Phoenix Contact FL SWITCH SFN 5TX: Industrial Ethernet switch. Pairs with Motorola MVME712/M in large systems (e.g., 10+ VME chassis) to expand Ethernet connectivity and enable network segmentation.

Motorola FAB 0340-1049: Power supply module. Primary power source for the Motorola 30-W2960B01A, which in turn powers the Motorola MVME712/M; ensures the communication module receives stable voltage.

Installation, Commissioning and Maintenance Instructions

Installation Preparation

Before installing Motorola MVME712/M, power off the VME chassis and disconnect the Motorola FAB 0340-1049 power supply to prevent electrical shock. Verify the chassis has an available 3U VME slot and that the VME backplane is compatible with 16-bit slave modules. Use an anti-static wristband and mat to protect the module’s Ethernet/serial components from ESD damage. Gather tools: Phillips-head screwdriver (for chassis mounting), Ethernet cable (Cat5e or higher for 100Base-T), and serial cables (DB9 for RS-232, twisted-pair for RS-422/485). Check that the Motorola 30-W2960B01A power distribution module is configured to supply +5 VDC (1.2 A max) to the VME backplane—insufficient power can cause communication dropouts. Avoid installing the module near high-voltage cables or wireless antennas (to prevent EMI interference with Ethernet/serial signals).

Commissioning and Maintenance

For commissioning, insert the Motorola MVME712/M into the VME slot and secure it with chassis screws. Power on the Motorola FAB 0340-1049 and Motorola 30-W2960B01A, then check the module’s LEDs: green “POWER” confirms voltage; Ethernet “LINK” LED (solid green) indicates a network connection; serial “TX/RX” LEDs (blinking) signal data transmission. Use the Motorola MVME172-263/260 SBC’s configuration software (e.g., Motorola MVMEbug) to set the Ethernet IP address, subnet mask, and serial port parameters (baud rate, parity, stop bits). Test Ethernet communication by pinging the module from a SCADA workstation; test serial communication by sending a test signal to a connected device (e.g., HMI) and verifying receipt.

For maintenance: Inspect the module monthly for loose Ethernet/serial cables—tighten connectors to prevent intermittent connections. Clean the module quarterly with compressed air to remove dust from the VME connector and port openings (avoids signal degradation). Update the module’s firmware annually (via Ethernet) using Motorola’s legacy firmware tools—this addresses known protocol bugs and improves compatibility with modern SCADA systems. If Ethernet communication fails, check the network switch for faults and verify the IP configuration on the Motorola MVME172-263/260; if serial communication drops, test the cable with a multimeter and reconfigure the port parameters if needed. When replacing the module, replicate the old unit’s IP and serial settings to avoid disrupting system communication.

Service and Guarantee Commitment

Though Motorola MVME712/M is obsolete, we offer a 90-day warranty on all refurbished units—covering defects in Ethernet/serial port functionality, LED indicators, and VMEbus communication. Each refurbished module undergoes rigorous testing: 24-hour Ethernet data transfer testing (verifying 100 Mbps speed and zero packet loss), serial protocol validation (Modbus RTU/TCP compatibility checks), and EMC immunity testing (ensuring compliance with IEC 61000-6-2). This guarantees the module meets the original industrial-grade connectivity standards.

Our technical support team (24/7 availability) provides guidance on Motorola MVME712/M installation, protocol configuration, and troubleshooting—including optimizing communication between the module, Motorola MVME172-263/260 SBC, and external SCADA systems. We offer customized maintenance plans: quarterly remote network health checks (via Ethernet) and semi-annual on-site inspections (cleaning ports, testing cable connections). Our spare parts inventory includes critical components (e.g., Ethernet transceivers, serial port chips) for fast repairs, minimizing communication downtime.

For users modernizing their VME systems, we provide free consultation to select compatible Emerson communication modules (e.g., MVME712M-ET) that retain the Motorola MVME712/M’s core functionality while adding Gigabit Ethernet and cybersecurity features. We also offer trade-in credits for old units, reducing the cost of upgrading to more secure, high-speed connectivity solutions. Our commitment to legacy support ensures your VME system’s communication backbone remains reliable, whether you maintain existing infrastructure or transition to new platforms.