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Home > Electrical & Electronics > Electrical Control System > MOTOROLA MVME162-10 Embedded Controller

MOTOROLA MVME162-10 Embedded Controller

MOTOROLA MVME162-10 Embedded Controller thumbnail-2

MOTOROLA MVME162-10 Embedded Controller photo-1

MOTOROLA MVME162-10 Embedded Controller photo-2

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

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guizhou

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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating Temperature -40℃~+70℃

Relative Humidity 5%~95% (non-condensing)

Dimensions 238mm × 160mm × 25.5mm

Storage Temperature -55℃~+85℃

I. Overview

The MOTOROLA MVME162-10 is a Single-Board Computer (SBC) based on the VMEbus (VersaModule Eurocard bus) architecture. As a classic basic model in the MVME162 series, its core positioning is "a highly reliable computing and control core for embedded control systems in harsh industrial environments". It mainly serves fields with extremely high requirements for system stability, anti-interference capability, and environmental adaptability, such as power system monitoring, chemical process control, rail transit signal acquisition, and industrial equipment status monitoring. It undertakes the full-process core tasks of "equipment operation data collection - complex logic computing - real-time control command output - system fault monitoring".

With its core advantages of "industrial-grade stable hardware architecture + standardized VME expansion compatibility + wide-temperature and harsh environment-resistant design + low operation and maintenance costs", this single-board computer has significant value in scenarios such as the upgrading of outdated industrial control systems (e.g., replacing computing modules in traditional PLC control cabinets) and the construction of small and medium-sized embedded control nodes (e.g., single-machine equipment control, local process management and control). Its core role is to solve the three major pain points in industrial control: "equipment is prone to shutdown in extreme environments", "difficulty in compatibility with multiple peripheral interfaces", and "poor adaptability in upgrading outdated systems". Through mature processor architecture, standardized VME expansion slots, and industrial-grade protection design, it realizes precise control of on-site equipment (command response time ≤ 3ms) and stable data processing (computing performance up to 15 MIPS), avoids production interruptions caused by the failure of the core control unit (the loss of a single interruption can reach tens of thousands of yuan), and ensures the continuity and stability of industrial production.

II. Technical Specifications

(1) Core Computing and Storage Parameters

Category

Specific Parameters

Processor & Chipset

Processor: Motorola 68030 microprocessor, with a clock frequency of 25MHz; Coprocessor: Optional 68882 floating-point coprocessor (enhances floating-point computing capability); Chipset: MVME162-dedicated integrated chipset, integrating interrupt controller, DMA controller, timer, and VMEbus controller, which simplifies external circuits and improves system stability.

Storage System

Memory: Standard 8MB DRAM (expandable to 16MB), adopting industrial-grade wide-temperature memory chips, supporting parity check function to automatically detect and correct memory data errors; Storage Media: Built-in 512KB EPROM (stores system boot program and solidified firmware), 2MB Flash (optional, stores application programs and configuration data); Storage Expansion: Supports 1 SCSI-1 interface (data transmission rate of 5MB/s), which can be connected to external devices such as SCSI hard drives and optical drives to meet the demand for large-capacity data storage.

(2) Interface and Expansion Parameters

Category

Specific Parameters

Standard Communication Interfaces

Serial Ports: 2 RS-232C serial ports (compatible with RS-422, switched via hardware jumpers), with a maximum baud rate of 96000bps, supporting industrial communication protocols such as Modbus and ASCII, and can be connected to remote IO modules, intelligent meters, and serial printers; Parallel Interface: 1 Centronics standard parallel interface, supporting bidirectional data transmission, used for connecting industrial printers and data collectors; Ethernet Interface: Optional 10Base-T Ethernet module (RJ45 interface), compatible with TCP/IP protocol, enabling network communication and remote monitoring.

Expansion Slots & Module Interfaces

VMEbus Expansion: 1 32-bit VMEbus slot (compatible with VMEbus Rev. B specification), supporting access to MVME series expansion modules (e.g., MVME310 digital IO module, MVME460 analog acquisition module); Local Bus Expansion: 1 8-bit local bus slot, which can be connected to dedicated functional modules (e.g., high-speed counter module); Panel Interfaces: The front panel is equipped with power indicator, operation/fault indicator, reset button, and debugging serial port (for on-site debugging and log viewing).

(3) Physical and Environmental Parameters

Category

Specific Parameters

Physical Specifications

Dimensions: 238mm (length) × 160mm (width) × 25.5mm (height), conforming to 3U VME standard card size, and can be installed in a 19-inch standard cabinet (3U height) or embedded equipment chassis; Weight: Approximately 420g; Installation Method: Supports rack mounting and panel mounting, with standard mounting holes, compatible with industrial cabinet slide rails and fixed brackets.

Environmental Adaptability

Operating Temperature: -40℃~+70℃ (industrial wide-temperature range), no preheating required for startup at -40℃, startup time ≤ 40s; Storage Temperature: -55℃~+85℃; Humidity: 5%~95% RH (non-condensing, conforming to IEC 60068-2-3 standard); Vibration Resistance: 8g (10Hz~2000Hz, conforming to IEC 60068-2-6), capable of withstanding continuous vibration during industrial equipment operation; Shock Resistance: 40g (1ms pulse, conforming to IEC 60068-2-27), resisting instantaneous impact during equipment handling and maintenance.

(4) Power Supply and Reliability Parameters

Category

Specific Parameters

Power Supply Requirements

Single-channel +5V DC power supply, operating current ≤ 3A, supporting a wide voltage input range (4.8V~5.2V); Equipped with overvoltage protection (automatic output cut-off when ≥ 6V), overcurrent protection (current limiting triggered when ≥ 3.5A), and reverse connection protection (prevents equipment damage caused by reversed positive and negative poles of the power supply).

Reliability Indicators

Mean Time Between Failures (MTBF) ≥ 200,000 hours (Telcordia SR-332 standard, at 25℃); Design Life: ≥ 12 years; Electromagnetic Compatibility (EMC): Conforms to EN 55022 Class A and EN 55024 standards, ESD protection of ±6kV (contact discharge)/±12kV (air discharge); Fault Diagnosis: Built-in hardware-level fault diagnosis function, supporting fault detection of memory, power supply, and VMEbus, and outputting fault information through indicators and debugging serial port.

III. Functional Features

(1) Industrial-Grade Stable Operation, Adaptable to Extreme Environments

Wide-Temperature and Anti-Interference Design

Core components (processor, memory, interface chip) all adopt industrial-grade wide-temperature models with a range of -40℃~+70℃; the circuit board is coated with thin-type three-proof paint (moisture-proof, dust-proof, anti-corrosion), enabling stable operation in coastal high-humidity salt-fog environments and cold outdoor environments in northern regions; the power module is equipped with an EMC filter circuit (common-mode rejection ratio ≥ 70dB) to reduce external electromagnetic interference (such as interference from frequency converters and high-voltage motors). In the high-electromagnetic environment of chemical workshops, the data transmission distortion rate is ≤ 0.1%, and there is no delay in control commands.

Redundancy and Fault-Tolerance Mechanism

The memory supports parity check function, which can automatically detect and correct single-bit errors, avoiding program crashes caused by memory data errors; the system boot program (in EPROM) has built-in "fault self-recovery" logic. When the application program crashes, it can automatically restart and load the backup program within 5 seconds, reducing manual intervention; the power interface adopts an anti-reverse connection design, preventing equipment damage caused by on-site personnel's wiring errors and reducing maintenance costs.

(2) Standardized VME Expansion, Compatible with Various Peripherals

Flexible Expansion Capability

Through the VMEbus slot, it can access the full range of MVME expansion modules. There is no need to modify the core program; functions can be expanded quickly only by configuring the module address and interrupt priority through software. For example, in power equipment monitoring, adding an MVME460 analog acquisition module (4-channel 4-20mA input) can add the function of collecting 4-channel current signals, realizing real-time monitoring of transformer current, with an expansion cycle of only 1-2 days; the local bus slot supports connection to dedicated functional modules to meet the needs of special scenarios (such as high-speed counting and pulse output).

Multi-Interface Compatibility and Adaptation

It integrates basic industrial interfaces such as serial ports and parallel interfaces. The serial ports support RS-232/RS-422 mode switching and can be connected to peripherals of different communication types (such as distributed IO modules connected via RS-422 bus and intelligent meters connected via RS-232); the optional Ethernet module can be connected to the factory local area network (LAN) to realize bidirectional data interaction with upper computers (SCADA, MES systems). No additional adapter cards are required, which simplifies the system architecture and reduces integration costs (35% lower than the traditional multi-interface splicing solution).

(3) Efficient Computing and Real-Time Control, Ensuring Control Precision

Mature Computing Core Support

The Motorola 68030 processor (25MHz) has an integer computing performance of 15 MIPS. Matched with the optional 68882 floating-point coprocessor (0.8 MFLOPS floating-point performance), it can efficiently process complex logic in industrial control (such as PID control algorithms and equipment linkage logic). For example, in the temperature control of chemical reactors, it can calculate temperature deviations in real time and adjust heating power, with a control precision of ±1℃, ensuring stable reaction processes; in the rail transit signal acquisition scenario, it can quickly process sensor signals, with a command response time ≤ 3ms, meeting real-time control requirements.

Low-Latency Data Transmission

The VMEbus rate reaches 32MB/s, providing sufficient data transmission bandwidth to ensure no delay in data interaction between expansion modules and the core board; it integrates a DMA controller that supports direct data transmission between "expansion module and memory", reducing the processor occupancy rate (to below 20%) and improving system real-time performance. It is especially suitable for multi-module collaborative work scenarios (such as synchronous data processing of digital IO modules and analog modules).

(4) Convenient Operation, Maintenance and Upgrading, Reducing Costs

Visual Status Monitoring

The front panel is equipped with 3 types of indicators: power indicator (green, steady on = normal power supply), operation indicator (blue, blinking = normal operation), and fault indicator (red, steady on = fault). On-site personnel can quickly judge the equipment operation status through the indicator status (e.g., "operation indicator off + fault indicator on" indicates a core fault); the debugging serial port supports viewing system logs, real-time data, and fault codes through terminal software (such as HyperTerminal), enabling fault troubleshooting without disassembling the equipment and shortening downtime (from an average of 2 hours to 30 minutes).

Flexible Firmware and Program Upgrading

The Flash memory supports in-circuit programming (via serial port or Ethernet), allowing remote upgrading of application programs and system firmware without on-site equipment disassembly. This is especially suitable for equipment in remote areas (such as oilfield wellhead monitoring units), reducing operation and maintenance costs by 50%; it supports the "firmware backup" function, which automatically backs up the current firmware before upgrading. If the upgrade fails, it can be restored with one click, avoiding the risk of system paralysis.

IV. Common Faults and Solutions

Common Fault Phenomena	Possible Causes	Solutions
Device fails to start, power indicator off	1. Input voltage does not meet the standard (lower than 4.8V or higher than 5.2V); 2. Power interface is loose or oxidized; 3. Power module failure	1. Use a multimeter to detect the input voltage and ensure it is within the range of 4.8V~5.2V DC. If the voltage fluctuates greatly, install a voltage stabilizer; 2. Unplug the power interface, wipe the interface gold fingers with alcohol cotton (to remove the oxide layer), reinsert and fasten it; 3. If the voltage and interface are normal, replace the original power module (prefer accessories of the same model).
Serial port data transmission interruption or garbled characters	1. Serial port mode mismatch (e.g., the device uses RS-422, but the module is set to RS-232); 2. Aging or ungrounded transmission cable; 3. Excessive electromagnetic interference	1. Check the hardware jumpers and switch the serial port mode to RS-232/RS-422 that matches the peripheral; 2. Replace with industrial-grade shielded cables, ensure both ends of the cable are grounded (grounding resistance ≤ 4Ω), and avoid laying them in parallel with high-voltage cables; 3. If electromagnetic interference on site is strong, install a signal isolator at the serial port (isolation voltage ≥ 2500Vrms).
Frequent system restart or crash	1. Operating temperature exceeds the range of -40℃~+70℃; 2. Poor memory contact or memory failure; 3. Expansion module compatibility issue	1. Check the equipment installation environment. Install a cooling fan (air speed ≥ 2m/s) if the temperature is too high; add a heat preservation cover to the equipment if the temperature is too low (to ensure the internal temperature ≥ -35℃); 2. Power off, remove the memory, wipe the gold fingers with an eraser (to remove the oxide layer), and reinsert it firmly. If the problem persists, replace with industrial-grade wide-temperature memory of the same model; 3. Remove newly added expansion modules, test compatibility one by one, prioritize MVME original modules, and avoid third-party incompatible modules.
VME expansion module unrecognizable	1. Excessive dust or poor contact in the VMEbus slot; 2. Module not fully inserted into the slot; 3. Module address conflict with other devices	1. Power off and clean the dust in the VME slot with a compressed air can (pressure ≤ 0.5MPa), and wipe the slot contacts with alcohol cotton; 2. Replug the expansion module to ensure it is fully inserted and fasten the fixing screws; 3. Check the address of each module through the debugging serial port, and modify the address of the conflicting module (must be consistent with the system configuration software settings).
Optional Ethernet module fails to connect to the network	1. Network cable failure or poor crimping of RJ45 connector; 2. Incorrect IP address configuration (conflict with LAN segment); 3. Ethernet module failure	1. Replace the network cable and remake the RJ45 connector (following T568B standard), and use a network cable tester to check connectivity; 2. Check the IP address configuration to ensure it is consistent with the factory LAN segment (e.g., if the LAN is 192.168.1.X, set the module IP to 192.168.1.XX to avoid duplication with other devices); 3. If the above operations are ineffective, replace the Ethernet module (prefer original accessories) and verify the module hardware status through the debugging serial port.
Sudden power-off and restart during device operation	1. Instantaneous input voltage fluctuation (lower than 4.8V); 2. Loose power interface (caused by vibration); 3. Overcurrent protection triggered (excessive load)	1. Install a surge suppressor and voltage stabilizer at the power input end to stabilize the input voltage; 2. Replace the power interface with a locking type, or fix the power cable with cable ties to reduce the impact of vibration; 3. Check the total power consumption of the expansion modules. If it exceeds the rated power of the power supply (+5V×3A=15W), remove unnecessary modules or replace with a higher-power power supply.