Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > MOTOROLA > MOTOROLA MVME335 4-Channel Serial and Parallel Interface Board

MOTOROLA MVME335 4-Channel Serial and Parallel Interface Board

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Product Details

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	-20℃~+60℃
Relative Humidity	5%~95% (non-condensing)	Dimensions	160mm × 100mm × 25mm
Storage Temperature	-40℃~+85℃

Product Description

MOTOROLA series modules

I. Overview

The MOTOROLA MVME335 is a high-performance embedded Single-Board Computer (SBC) module developed specifically by Motorola for core industrial automation control scenarios. It belongs to the MVME (Motorola Versatile Modular Executive) series industrial control platform, with its core positioning as "the central processing and data interaction core unit of distributed control systems in harsh industrial environments".

This module mainly serves fields with extremely high requirements for the reliability, real-time performance, and environmental adaptability of control units, including process industry (e.g., distributed control of petrochemical plants, closed-loop regulation of refining process parameters), energy and power (auxiliary control systems for thermal power units, control of power grid dispatching terminals), heavy manufacturing (drive control of metallurgical rolling mills, numerical control systems for heavy machine tools), and transportation infrastructure (rail transit signal control units, automation control of port machinery). It undertakes the full-process core tasks of "acquisition and preprocessing of on-site multi-type data (analog, digital, pulse quantities) - control algorithm operation and logic interlock judgment - control command output and actuator driving - system status monitoring and fault diagnosis reporting".

With the core advantages of "high-real-time processing architecture + high-reliability hardware design + flexible expansion capability + wide-range environmental adaptation", the MOTOROLA MVME335 can not only meet the requirements of early industrial control systems for "centralized control and distributed deployment" but also serve as a core component for the upgrading of old systems. It effectively solves the four major pain points in industrial control: "difficulty in multi-type signal compatibility", "system instability in extreme environments", "insufficient real-time performance of control algorithms", and "high cost of function expansion". Through Motorola's customized processor, enhanced electromagnetic protection, and modular expansion design, it achieves a control cycle of ≤ 10ms and a Mean Time Between Failures (MTBF) of ≥ 150,000 hours, ensuring the continuous and stable operation of industrial systems and reducing production interruption losses caused by control unit failures (a single interruption can result in losses of up to several hundred thousand yuan).

II. Technical Parameters

(I) Core Hardware Parameters

Category	Specific Parameters
Central Processing Unit (CPU)	- Model: Motorola 68020 32-bit microprocessor (industrial-grade customized version) - Clock Speed: 16MHz (upgraded to 20MHz in some later versions) - Coprocessor: Integrated Motorola 68881 floating-point coprocessor, improving the operation efficiency of complex control algorithms (e.g., PID multi-loop regulation) - Instruction Set: Supports the complete 68020 instruction set, compatible with the 68000 series instruction subset, and supports real-time multi-task scheduling instructions
Storage System	- Memory: Standard 1MB DRAM (upgradeable to 4MB via expansion slots), adopting parity check mechanism to improve data storage reliability; on-board 64KB SRAM (high-speed cache for real-time data exchange) - Storage Media: 256KB EPROM (solidifies system boot program and basic control firmware, data retained permanently after power failure); supports external 3.5-inch floppy disk drive (maximum capacity 1.44MB) or 20MB hard disk drive (SCSI interface) - Storage Interfaces: Built-in ROM controller, DRAM controller, and SCSI-1 interface controller, supporting hot-swapping of storage devices (requires matching system software configuration)
Input/Output (I/O) Interfaces	- Digital I/O: Integrates 16-channel isolated digital inputs (dry contact/wet contact compatible, input voltage 12-24V DC) and 16-channel isolated digital outputs (transistor output, maximum load current 1A per channel, supporting NPN/PNP mode switching) - Analog I/O: Reserves 2 groups of 8-channel analog input interfaces (compatible with 4-20mA current signals, 0-10V voltage signals, 12-bit resolution) and 2 groups of 4-channel analog output interfaces (4-20mA/0-10V optional, 12-bit resolution), which need to be activated with MVME series analog expansion modules - Pulse Interfaces: 2-channel high-speed pulse inputs (maximum counting frequency 10kHz, for collecting pulse signals such as rotational speed and flow rate) and 2-channel pulse outputs (frequency adjustable 0.1-1kHz, for speed control of stepper motors and servo motors)
Hardware Protection	- Circuit Protection: Digital I/O channels adopt 2500Vrms electrical isolation; analog channels are equipped with surge suppression circuits (1kV differential mode, 2kV common mode) - Anti-Interference Design: Power input end is equipped with a three-stage EMC filter circuit; the main board adopts a multi-layer grounding design; key components (processor, memory) are encapsulated in metal shields - Mechanical Structure: Adopts 3U standard VME bus board size (160mm×100mm), with a metal-reinforced housing, supporting both guide rail installation and rack installation fixing methods

(II) Software and System Parameters

Category	Specific Parameters
Operating System	- Native Support: Motorola OS-9/68k Real-Time Operating System (RTOS), supporting multi-task priority scheduling (up to 256 tasks, priority adjustable from 0 to 255), task switching time ≤ 10μs - Compatible Systems: Adaptable to third-party real-time operating systems such as VxWorks 5.2 (Wind River) and pSOS+ (ISIS), supporting user-defined OS tailoring and transplantation
Development Environment	- Compilation Tools: Motorola 68000 series cross-compiler (Version 3.2), supporting programming in C, C++, and assembly language - Debugging Tools: Equipped with MVME Debugger software, supporting online breakpoint debugging, memory monitoring, and register viewing; on-board JTAG debugging interface (compatible with IEEE 1149.1 standard), supporting hardware-level fault localization
Control Functions	- Algorithm Support: Built-in PID control algorithm library (supports position-type and incremental PID, configurable proportional band, integral time, and derivative time parameters), logic interlock algorithms (AND/OR/NOT/XOR logic, delay, edge detection, etc.), and pulse counting and frequency measurement algorithms - Task Scheduling: Supports two modes: preemptive scheduling and time-slice round-robin scheduling; scheduling strategy can be configured via software; supports interrupt priority management (16-level interrupts, dynamically assignable)
System Management	- Status Monitoring: Built-in hardware-level system monitoring circuit (Watchdog timer, timing range adjustable from 10ms to 10s, automatically resets the system when timed out) and voltage monitoring (real-time monitoring of 5V/±12V power supply voltage, triggering an alarm when the deviation exceeds ±5%) - Fault Log: Supports storing the latest 50 pieces of system fault information (including fault type, occurrence time, and fault code), which can be exported via serial port or network interface

(III) Communication and Expansion Parameters

Category	Specific Parameters
Built-in Communication Interfaces	- Serial Ports: 2 RS-232 serial ports (baud rate adjustable from 300bps to 19200bps, data bits 7/8, stop bits 1/2, supporting odd/even/no parity), used for communication with on-site intelligent instruments and HMI (Human-Machine Interface) - Parallel Interface: 1 Centronics parallel interface, supporting connection with industrial printers and data acquisition terminals for control report printing and data backup - Network Interface (Optional): Supports Ethernet network card (10Base-T Ethernet, TCP/IP protocol stack, compatible with ARP, IP, ICMP, TCP, UDP protocols) via on-board expansion slot, realizing network communication of distributed systems
Bus Expansion	- System Bus: Compatible with VMEbus standard (IEC 821 standard), supporting 16-bit/32-bit data bus width, maximum bus rate 40MB/s, and can connect to MVME series expansion modules (analog I/O modules, digital expansion modules, communication modules, etc.) - Expansion Slots: 3 on-board VME standard expansion slots (P1/P2 interfaces), supporting hot-swapping of modules (requires matching system hot-swap management software), and a single system can expand up to 8 MVME series modules
External Interconnection	- Synchronization Interface: 1 optional IEEE 1588 synchronous clock interface, supporting clock synchronization of distributed systems (synchronization accuracy ≤ 1μs) - Industrial Bus (Optional): Supports industrial bus protocols such as PROFIBUS DP and Modbus RTU via expansion modules, realizing interconnection with third-party equipment (e.g., Siemens PLC, Rockwell I/O modules)

(IV) Physical and Environmental Parameters

Category	Specific Parameters
Physical Specifications	- Dimensions: 160mm (length) × 100mm (width) × 25mm (height), conforming to 3U VME bus board standard size - Weight: Approximately 380g - Installation Method: VME chassis guide rail installation (compatible with 19-inch standard industrial chassis), installation gap requirements: ≥ 15mm above and below (for heat dissipation), ≥ 10mm left and right (for wiring and ventilation)
Environmental Adaptability	- Operating Temperature: -20℃~+60℃ (industrial wide temperature range), no preheating required for startup at -20℃ (startup time ≤ 30s) - Storage Temperature: -40℃~+85℃ - Humidity: 5%~95% RH (non-condensing, conforming to IEC 60068-2-3 standard) - Vibration Resistance: 10g (10Hz-2000Hz, conforming to IEC 60068-2-6), adapting to the environment of high-vibration equipment such as fans, compressors, and rolling mills - Shock Resistance: 50g (1ms pulse, conforming to IEC 60068-2-27), withstanding instantaneous shocks during equipment handling and maintenance - Electromagnetic Compatibility (EMC): Conforming to EN 55022 Class A and EN 55024 standards, ESD protection ±15kV (air discharge)/±8kV (contact discharge), radio frequency radiation immunity 20V/m (80MHz-1GHz)

Category	Specific Parameters
Power Supply Requirements	- Supply Voltage: Dual-channel power supply of +5V DC (±5%) and ±12V DC (±10%), input current: maximum 3A for +5V, maximum 0.8A for ±12V - Power Protection: Overvoltage protection (automatically cuts off input when +5V exceeds 5.5V and ±12V exceeds ±13.2V), overcurrent protection (triggers current limiting when +5V exceeds 4A and ±12V exceeds 1A), reverse connection protection (built-in diode to prevent reverse connection of power positive and negative poles) - Power Consumption: Typical power consumption ≤ 15W (under full configuration operation), maximum power consumption ≤ 20W
Reliability Indicators	- Mean Time Between Failures (MTBF): ≥ 150,000 hours (Telcordia SR-332 standard, under 25℃ environment) - Design Life: ≥ 10 years - Key Components: Processors, memories, bus controllers, etc., adopt industrial-grade wide-temperature models (operating temperature -40℃~+85℃), with gold-plated pins (corrosion resistance rate ≤ 0.1μm/year) - Fault Diagnosis: Supports hardware-level fault detection (processor abnormality, memory error, power failure, bus failure), and reports fault codes via indicator lights and serial port (e.g., "E01 = Processor initialization failure", "E05 = Memory parity error")

Category

Specific Parameters

Power Supply Requirements

- Supply Voltage: Dual-channel power supply of +5V DC (±5%) and ±12V DC (±10%), input current: maximum 3A for +5V, maximum 0.8A for ±12V
- Power Protection: Overvoltage protection (automatically cuts off input when +5V exceeds 5.5V and ±12V exceeds ±13.2V), overcurrent protection (triggers current limiting when +5V exceeds 4A and ±12V exceeds 1A), reverse connection protection (built-in diode to prevent reverse connection of power positive and negative poles)
- Power Consumption: Typical power consumption ≤ 15W (under full configuration operation), maximum power consumption ≤ 20W

Reliability Indicators

- Mean Time Between Failures (MTBF): ≥ 150,000 hours (Telcordia SR-332 standard, under 25℃ environment)
- Design Life: ≥ 10 years
- Key Components: Processors, memories, bus controllers, etc., adopt industrial-grade wide-temperature models (operating temperature -40℃~+85℃), with gold-plated pins (corrosion resistance rate ≤ 0.1μm/year)
- Fault Diagnosis: Supports hardware-level fault detection (processor abnormality, memory error, power failure, bus failure), and reports fault codes via indicator lights and serial port (e.g., "E01 = Processor initialization failure", "E05 = Memory parity error")

III. Functional Features

(I) High Real-Time Performance and High-Reliability Control, Adapting to Core Industrial Scenarios

High-Performance Processing Architecture

Equipped with a Motorola 68020 32-bit microprocessor and a 68881 floating-point coprocessor, it can achieve an operation capability of 1.5 million instructions per second (MIPS) at a 16MHz clock speed. Combined with 1MB parity-check DRAM and 64KB high-speed cache, it ensures the real-time execution of complex control algorithms (e.g., multi-loop PID regulation, logic interlock operation). The control cycle is stably maintained at 5-10ms, meeting the real-time requirements of closed-loop control in industrial fields.

Hardware-Level Fault-Tolerant Design

The memory adopts a parity check mechanism, which can detect and correct single-bit errors in real time; the built-in Watchdog timer and voltage monitoring circuit can automatically reset the system within 10ms-10s when the system has faults such as program runaway and power supply abnormality, reducing the scope of fault impact; the 2500Vrms electrical isolation of digital I/O channels and the surge suppression design of analog channels effectively resist electromagnetic interference and voltage fluctuations in industrial fields, and the annual failure rate of the module can be controlled within 0.2%.

(II) Flexible Expansion and Multi-Protocol Compatibility, Reducing System Integration Difficulty

Modular Expansion Capability

Designed based on the VMEbus standard bus, with 3 on-board expansion slots, it can be flexibly matched with MVME series analog I/O modules (e.g., MVME301 analog input module), digital expansion modules (e.g., MVME302 digital output module), and communication modules (e.g., MVME340 Ethernet module). A single system can expand up to 8 modules, realizing flexible configuration of input and output channels from 16 inputs/16 outputs to 128 inputs/128 outputs, adapting to control scenarios of different scales.

Multi-Interface and Protocol Compatibility

It natively supports 2 RS-232 serial ports and 1 parallel interface, and can realize industrial communication protocols such as Ethernet, PROFIBUS DP, and Modbus RTU through expansion. It can not only connect directly with on-site intelligent instruments and HMI but also access third-party PLCs and Distributed Control Systems (DCS), solving the problem of cross-brand equipment interconnection. The system integration cycle is shortened by 30% compared with traditional solutions.

(III) Industrial-Grade Environmental Adaptation, Ensuring Stable Operation Under Complex Working Conditions

Wide-Temperature and Harsh Environment-Resistant Design

Core components adopt industrial-grade wide-temperature models with a range of -40℃~+85℃, allowing the module to operate stably within the operating temperature range of -20℃~+60℃ without additional temperature control equipment; the metal-reinforced housing and multi-layer grounding design improve vibration resistance (10g) and shock resistance (50g) capabilities, adapting to high-vibration scenarios such as metallurgical rolling mills and port machinery; EMC conforms to EN 55022 Class A standard, enabling normal operation in environments with strong electromagnetic interference such as high-power frequency converters and motors.

Low-Power Consumption and Easy Installation Features

With typical power consumption ≤ 15W, it is suitable for limited power supply resources in industrial fields; the 3U VME standard size and guide rail installation design can be directly embedded in 19-inch industrial chassis, requiring only installation gaps of ≥ 15mm above and below and ≥ 10mm left and right, saving cabinet space and simplifying the system deployment process.

(IV) Comprehensive System Management and Fault Diagnosis, Improving Operation and Maintenance Efficiency

Full-Status Monitoring Capability

Through software, it can real-time monitor the module's power supply voltage, processor load, memory usage rate and other operating parameters; the on-board status indicator lights (power light, running light, fault light, communication light) can intuitively display the module's working status. For example, "flashing running light" indicates normal system operation, and "steady-on fault light" indicates a hardware fault, facilitating on-site personnel to make quick judgments.

Efficient Fault Handling Mechanism

The built-in fault log function can record the latest 50 pieces of fault information (including fault type, occurrence time, and fault code), which can be exported via serial port or network; the JTAG debugging interface and MVME Debugger software can realize hardware-level fault localization (e.g., processor, memory, bus faults). The fault troubleshooting time is shortened from an average of 2 hours to 30 minutes, greatly reducing system downtime.

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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Guizhou Yuanmiao Automation Equipment Co., Ltd.: Contact nameyezi
Chat Now; AddressXixiu District, Anshun, Guizhou

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