Motorola MVME-147SC-2

Description

Product Introduction

The Motorola MVME – 147SC – 2 is another high – performing single – board computer (SBC) within the MVME – 147 family, specifically engineered to meet the rigorous demands of industrial and embedded applications. It inherits the reliability and versatility traits that the MVME – 147 series is known for while offering a distinct set of features tailored for specific use – cases. This model is particularly well – suited for applications that require a combination of high – speed processing, extensive communication capabilities, and reliable data handling.

Parameter Table

Motorola MVME-147SC-2

Core Advantages and Technical Highlights

Advanced Processor Options: The MVME – 147SC – 2 offers a choice of powerful processors. The 32 MHz MC68040 enhanced 32 – bit microprocessor comes with an 8 KB cache for both instructions and data, a Memory Management Unit (MMU), and a Floating – Point Unit (FPU). The cache significantly improves the processor’s performance by reducing the time it takes to access frequently used instructions and data. The MMU enables software protection and virtual memory capabilities, which are essential for multitasking and running complex applications. The FPU, on the other hand, accelerates floating – point arithmetic operations, making it ideal for applications that require high – precision numerical calculations, such as scientific simulations or advanced control algorithms. The optional 25 MHz MC68040 and 25 MHz MC68LC040 processors also provide reliable processing power with different levels of features, allowing users to select the most suitable option for their specific requirements.

Flexible Memory Configuration: With the option to have 4, 8, or 16 MB of shared DRAM, the MVME – 147SC – 2 can adapt to different application needs. Whether it’s a data – intensive industrial control system or a less demanding monitoring application, the appropriate amount of DRAM can be configured. The 512 KB SRAM with battery backup ensures that critical data is not lost during power outages, which is crucial for maintaining system state and data integrity. The 1 MB flash memory is used for on – board monitor/debugger or can be programmed with user – installed firmware. The 8 k x 8 NVRAM, along with the time – of – day clock with battery backup, provides a stable storage for configuration data and time – related information, enabling the system to operate accurately and consistently over time.

Diverse Communication Capabilities: Similar to the MVME – 147SB – 2, the MVME – 147SC – 2 has two serial communication ports. The console port, as an EIA – 232 – D DTE, and the second port, which can be configured for EIA – 232 – D/EIA – 422 (V.36) DTE/DCE, make it easy to interface with a wide range of serial – based devices. This includes legacy sensors, actuators, and other industrial equipment. The optional SCSI bus interface, with 32 – bit local bus burst DMA, allows for high – speed data transfer to and from storage devices such as hard drives or tape drives. This is beneficial for applications that need to store large amounts of data, like data logging in industrial plants. The optional Ethernet transceiver interface, also with 32 – bit local bus DMA, enables seamless integration into networked environments. This allows for remote monitoring, control, and data sharing, which is essential for modern industrial applications where real – time data access and control are required.

Expansion Capabilities: The four 16 – or 32 – bit Industry Pack® ports, each equipped with its own DMA channel, offer great flexibility for expanding the board’s functionality. These ports can be used to connect additional I/O modules, communication interfaces, or specialized processing units. For example, in a manufacturing environment, an Industry Pack® module for digital – to – analog conversion can be added to the MVME – 147SC – 2 to control analog output devices, enhancing the system’s ability to interface with analog – based control systems. The presence of a 32 – pin PLCC EPROM socket also provides an additional option for storing and running custom code or data.

Comparison with MVME – 147SB – 2

Processor Differences: While the MVME – 147SB – 2 features a 33 MHz MC68030 enhanced 32 – bit microprocessor (with an optional 33.33 MHz MC6888 co – processor), the MVME – 147SC – 2 offers more advanced processor options. The MC68040 processors in the MVME – 147SC – 2 have on – chip cache, MMU, and FPU (in some configurations), which generally provide higher – performance processing capabilities compared to the MC68030 in the MVME – 147SB – 2. This makes the MVME – 147SC – 2 more suitable for applications that require complex numerical calculations and advanced memory management.

Memory Variations: In terms of memory, the MVME – 147SB – 2 has a fixed 16 MB of DRAM, while the MVME – 147SC – 2 offers more flexibility with options of 4, 8, or 16 MB of shared DRAM. This allows the MVME – 147SC – 2 to be better tailored to applications with different memory requirements, whether they are more cost – sensitive or need to optimize memory usage.

Unique Feature in MVME – 147SC – 2: The presence of a 32 – pin PLCC EPROM socket in the MVME – 147SC – 2 is a feature not mentioned in the MVME – 147SB – 2. This socket can be used for various purposes, such as storing additional firmware or data that is not easily accessible or modifiable through other means. It provides an extra layer of customization and data storage for users who need to have a dedicated and non – volatile storage option on the board.

Typical Application Scenarios

Advanced Industrial Control Systems: In a high – precision manufacturing process, such as semiconductor wafer fabrication, the MVME – 147SC – 2 can be used as the central control unit. The powerful MC68040 processor can handle the complex control algorithms required to precisely control the movement of robotic arms, the temperature and pressure in the fabrication chambers, and the flow of chemical vapors. The serial ports can be used to communicate with sensors that monitor the quality of the wafers during the fabrication process, while the Ethernet interface can send real – time data to a central control room for remote monitoring and analysis. The Industry Pack® ports can be used to connect additional I/O modules to interface with the specialized equipment used in the semiconductor manufacturing process.

Scientific Data Acquisition and Analysis: In a research laboratory conducting experiments in physics or chemistry, the MVME – 147SC – 2 can be deployed to acquire data from a large number of sensors. The high – speed processors can quickly process the data from sensors measuring parameters such as radiation levels, chemical reactions, or physical forces. The SCSI bus interface can be used to connect high – capacity storage devices to store the acquired data for later analysis. The on – board FPU can accelerate the numerical calculations required for data analysis, such as curve fitting, statistical analysis, and simulation modeling. The Ethernet interface can be used to share the data with other researchers or to integrate the data into a larger research network.

Network – Enabled Monitoring in Smart Buildings: In a modern smart building, the MVME – 147SC – 2 can be used to monitor and control various systems. It can collect data from sensors measuring temperature, humidity, air quality, and occupancy through its serial ports. The Ethernet interface can be used to send this data to a building management system, allowing for remote monitoring and control. The Industry Pack® ports can be used to connect additional communication modules to interface with other building systems, such as lighting control systems or security systems. The on – board diagnostic firmware can be used to monitor the health of the system and alert maintenance staff in case of any issues.

Motorola MVME-147SC-2

Installation, Commissioning and Maintenance Instructions

Installation Preparation:

Similar to the MVME – 147SB – 2, ensure that the VMEbus chassis has an appropriate slot for the MVME – 147SC – 2. The slot should be compatible with the A32/D64 VMEbus interface of the board.

Check the power supply to ensure it can provide the correct voltage levels for the selected processor and other components. Use a multimeter to verify the stability of the power supply and avoid any voltage fluctuations that could damage the board.

Gather anti – static equipment, such as an anti – static wristband, to protect the sensitive components during installation. A torque screwdriver may be needed to securely fasten the board in the chassis.

If adding optional modules like the SCSI or Ethernet modules, carefully follow the manufacturer’s instructions to ensure proper configuration and compatibility with the MVME – 147SC – 2.

Commissioning:

After installation, power on the system. The on – board debugger and diagnostic firmware will perform self – tests. Observe the status LEDs on the board to check for any error indications.

Configure the serial ports, SCSI interface (if installed), and Ethernet interface (if installed) according to the requirements of the application. This may involve setting baud rates, IP addresses, and other communication – related parameters.

Test the communication interfaces by connecting to known devices. For the serial ports, use a serial terminal; for the SCSI interface, connect to a compatible storage device; and for the Ethernet interface, connect to a network switch and verify data transfer.

Maintenance Suggestions:

Regularly use the on – board diagnostic tools to check the status of the board. Monitor the system logs for any error messages that could indicate hardware or software issues.

In dusty environments, clean the board periodically using compressed air at an appropriate pressure to prevent dust from accumulating and affecting the performance of the components.

Check the battery backup for the SRAM and NVRAM regularly to ensure that critical data is retained during power outages. Replace the battery when its voltage drops below the recommended level.

If there are problems with the communication interfaces, inspect the cables for damage and double – check the configuration settings.

Service and Guarantee Commitment

The Motorola MVME – 147SC – 2, like other products in the MVME series, is likely to come with a standard warranty from Emerson. The warranty typically covers manufacturing defects in the processor, memory, and other components. In the event of hardware failures within the warranty period, Emerson offers repair or replacement services. For customers who require extended support, service contracts are available. These contracts may include remote technical support, software updates (if applicable), and on – site maintenance. Emerson also maintains a stock of replacement parts for the MVME – 147SC – 2, ensuring that customers can keep their systems operational for an extended period. This commitment to service and support is vital for industrial customers who rely on the continuous and reliable operation of their embedded systems.