Description
Product Overview
The Motorola MVME712 – 103 is a specialized communication module designed to meet the demands of industrial control and data transfer applications within VMEbus – based systems. As part of Motorola’s legacy product line, now integrated into Emerson’s offerings, it continues to serve as a reliable solution for industries that require seamless communication interfaces.
Detailed Parameter Table
| Parameter name | Parameter value |
| Product model | MVME712 – 103 |
| Manufacturer | Motorola (now under Emerson) |
| Product category | Communication Module (VMEbus – compatible) |
| Serial Ports | Four 25 – pin multi – protocol EIA – 232 – D serial ports, which can be configured as DTE or DCE through jumper settings. These ports are ideal for connecting to a variety of serial – based devices such as sensors, actuators, and legacy communication equipment. |
| Other Interfaces | It features an Ethernet port for high – speed network connectivity, enabling data transfer to and from upper – level systems or for remote monitoring and control. There is also a SCSI port for connecting to storage devices or other SCSI – compatible peripherals, and a printer port for interfacing with printing equipment. |
| Weight | Ship weight is approximately 3 lbs per unit, making it relatively lightweight for easy installation in various industrial chassis. |
| Compatibility | Compatible with a range of Motorola VMEbus single – board computers, including the MVME147, MVME1600, MVME162, MVME2600, MVME167, MVME2700, MVME177, MVME3600, and MVME4600. This broad compatibility ensures seamless integration into existing industrial control architectures. |
| Power Requirements | The module operates within a certain power range, although specific voltage and current requirements may vary depending on the application and connected peripherals. It typically draws power from the VMEbus backplane, which provides a stable power source for reliable operation. |
Motorola MVME712-103
Product Introduction
The MVME712 – 103 serves as a crucial interface between the processor module and peripheral devices in VMEbus – based systems. Its main function is to simplify external customer cable requirements by providing rear – panel industry – standard connectors. The P2 adapter assembly plays a vital role in routing I/O signals and grounds from the P2 connector on the chassis backplane, at the VME module MPU connection, to the MVME712 – 103. The module then routes these signals to its four serial ports, which are implemented as four industry – standard DB – 25 connectors on its front panel.
In industrial automation settings, the MVME712 – 103 acts as a communication hub. For example, in a manufacturing plant, it can connect a VME – based controller to multiple serial – connected sensors that monitor temperature, pressure, and position. The Ethernet port can be used to transmit the aggregated data from these sensors to a central control room for real – time monitoring and analysis. The SCSI port can be utilized to connect to a local storage device, allowing for data logging and retrieval, which is essential for quality control and process optimization.
Core Advantages and Technical Highlights
Multi – protocol Serial Connectivity: With four 25 – pin multi – protocol EIA – 232 – D serial ports, the MVME712 – 103 offers great flexibility in connecting to a wide range of devices. This is especially useful in industrial environments where legacy equipment often uses serial communication protocols. For instance, in a food and beverage factory, it can interface with older – generation filling machines and labeling equipment that rely on serial communication for control and data transfer. The ability to configure the ports as DTE or DCE through jumpers further enhances its versatility.
Ethernet and SCSI Integration: The inclusion of an Ethernet port enables high – speed data transfer, which is crucial for modern industrial applications that require real – time data exchange. In a smart factory setup, the MVME712 – 103 can use the Ethernet port to communicate with other network – connected devices, such as programmable logic controllers (PLCs), human – machine interfaces (HMIs), and enterprise – level servers. The SCSI port provides a reliable interface for connecting to storage devices, which is beneficial for applications that need to store large amounts of data, like in a pharmaceutical manufacturing facility where process data needs to be logged for regulatory compliance.
Industry – Standard Connectors: By providing industry – standard connectors on its front panel, the MVME712 – 103 simplifies the cabling process. This reduces the complexity of system integration and maintenance. In an automotive assembly line, technicians can easily connect and disconnect peripheral devices without the need for specialized cabling or adapters, minimizing downtime during equipment upgrades or repairs.
Compatibility with Multiple VMEbus SBCs: Its compatibility with a wide range of Motorola VMEbus single – board computers ensures that it can be integrated into existing systems with ease. In a power generation plant, if the existing control system uses an MVME162 SBC, the MVME712 – 103 can be added to expand the communication capabilities without the need for a complete system overhaul.
Typical Application Scenarios
Industrial Automation: In a large – scale manufacturing plant, the MVME712 – 103 can be used to connect various industrial devices. It can interface with PLCs, which control the production line operations, and transmit data to HMIs for operator monitoring. For example, in a metal fabrication plant, the module can connect to multiple servo – controlled motors (communicating via serial ports) and use the Ethernet port to send real – time production data to a central management system.
Data Logging and Monitoring: In a wastewater treatment facility, the MVME712 – 103 can be used to collect data from multiple sensors (such as pH sensors, flow meters, and dissolved oxygen sensors) connected via its serial ports. The data can then be stored on a SCSI – connected hard drive for long – term analysis. The Ethernet port can be used to send summary data to a remote monitoring station, allowing for remote management of the treatment process.
Test and Measurement: In an electronics testing laboratory, the MVME712 – 103 can be used to control and communicate with test equipment. For example, it can connect to oscilloscopes, signal generators, and power supplies via serial ports. The Ethernet port can be used to transfer test results to a computer for further analysis and report generation.
Motorola MVME712-103
Related Model Recommendations
Motorola MVME712/M: This is a related I/O transition module. While the MVME712 – 103 focuses more on communication aspects, the MVME712/M has a broader I/O transition functionality. It can be used in tandem with the MVME712 – 103 in complex systems where additional I/O signal routing and conversion are required. For example, in a large – scale industrial control system, the MVME712/M can handle the general I/O transitions, and the MVME712 – 103 can be dedicated to communication tasks.
Motorola MVME162: A high – performance VMEbus single – board computer that pairs well with the MVME712 – 103. The MVME162 can process the data received and sent by the MVME712 – 103 efficiently. In an aerospace component testing facility, the MVME162 can use the data from the MVME712 – 103 (connected to various test sensors) to perform complex calculations and control the testing process.
Motorola MVME050: An industrial power supply module that can provide the necessary power for the MVME712 – 103 and other components in the VMEbus system. In a harsh industrial environment, such as a mining site, the MVME050 can ensure stable power supply to the MVME712 – 103, enabling reliable communication and operation.
Installation, Commissioning and Maintenance Instructions
Installation Preparation: Before installing the MVME712 – 103, ensure that the VMEbus chassis is compatible and provides stable power. Check the jumper settings on the module according to the desired serial port configurations (DTE or DCE). Gather the necessary tools, such as an anti – static wristband to protect the sensitive electronic components, a screwdriver for mounting the module in the chassis, and appropriate cables for connecting to peripheral devices.
Commissioning: After installation, power on the system. Use diagnostic software (compatible with the VMEbus system) to check the functionality of the MVME712 – 103. Verify that the serial ports, Ethernet port, SCSI port, and printer port are working correctly. Test the communication with connected devices by sending and receiving sample data.
Maintenance Suggestions: Regularly check the status of the module. Inspect the LEDs on the front panel (if available) to ensure normal operation. For the serial ports, periodically clean the connectors to prevent oxidation and ensure good electrical contact. If there are any communication issues, first check the cables and connections. If the problem persists, use diagnostic tools to identify whether it is a module – related issue or a problem with the connected device. Store spare MVME712 – 103 modules in a static – free environment to maintain their integrity.
Service and Guarantee Commitment
The Motorola MVME712 – 103 comes with a standard 12 – month warranty (terms may vary depending on the region and reseller). This warranty covers defects in materials and workmanship. In case of a malfunction within the warranty period, Emerson (or authorized resellers) will provide repair or replacement services. For extended support, additional service contracts can be purchased, which may include priority technical support, longer – term warranties, and regular system health checks.
