Motorola MVME335A

Description

Detailed Parameter Table

Motorola MVME-620

Product Introduction

The **Motorola MVME335A** is a reliable 3U VMEbus analog output module designed for industrial automation systems requiring precise voltage signal generation. As a key member of Motorola’s MVME300 series, it integrates 8 independent 12-bit analog output channels, providing a flexible solution for applications such as process control, motor speed regulation, and instrumentation calibration in mission-critical industrial environments.

With software-configurable output ranges (±5V, ±10V, 0-5V, 0-10V) per channel and a maximum output current of ±5mA, the **Motorola MVME335A** adapts to diverse load requirements. Its fast settling time (≤10µs to 0.1% of full scale) and low linearity error (±0.1% of full scale) ensure high-precision signal output. The 1000V AC isolation between outputs and the backplane protects against electrical noise and ground loops, enhancing system stability. The VMEchip1 interface enables seamless integration into VMEbus-based control systems as a slave device, facilitating real-time data exchange with host CPUs. Designed to operate in -40°C to +85°C environments, this module delivers consistent performance in harsh industrial settings.

Core Advantages & Technical Highlights

Multi-Channel Precision Output: Featuring 8 independent 12-bit analog output channels, the **Motorola MVME335A** enables simultaneous generation of multiple precise voltage signals. The 12-bit resolution and ±0.1% linearity error ensure accurate signal output, making it suitable for applications requiring fine-grained control over industrial processes or equipment.

Per-Channel Configurable Ranges: Each channel can be independently configured for four different output ranges via software, eliminating the need for hardware modifications when adapting to different load types. This flexibility simplifies system design and allows the module to interface with a wide variety of actuators, controllers, and instrumentation.

Fast Settling & Responsive Performance: With a settling time of ≤10µs to 0.1% of full scale, the **Motorola MVME335A** quickly generates stable output signals, making it ideal for dynamic control applications where rapid signal changes are required, such as motor speed adjustment or process valve positioning.

Industrial-Grade Reliability: Operating from -40°C to +85°C, the **Motorola MVME335A** withstands extreme temperatures, vibration, and electromagnetic interference (EMI) common in manufacturing plants, chemical processing facilities, and power generation systems. Its rugged construction and high-quality components ensure long-term stable operation, minimizing unplanned downtime.

Seamless VMEbus Integration: The VMEchip1 controller supports 16-bit VMEbus data transfers, ensuring compatibility with legacy VMEbus systems. As a slave device, it responds promptly to host commands, enabling timely updates to output values and configuration settings, maintaining system synchronization.

Typical Application Scenarios

Process Control in Chemical Plants: In chemical processing facilities, the **Motorola MVME335A** generates analog control signals to regulate process valves, pumps, and mixers. Each channel is configured for a specific output range (e.g., 0-10V for valve position control) to adjust flow rates or pressure levels. The module’s high linearity ensures precise control over chemical reactions, while overcurrent protection prevents damage from load faults.

Motor Speed Regulation in Manufacturing: In automotive assembly lines, the module provides analog voltage signals to variable frequency drives (VFDs) that control conveyor motor speeds. Configured for ±10V output, each channel corresponds to a conveyor section, allowing the host CPU to adjust speed dynamically based on production demand. Fast settling time ensures smooth speed transitions, reducing product jitter during transport.

Instrumentation Calibration in Labs: In industrial calibration laboratories, the **Motorola MVME335A** serves as a precision signal source for calibrating analog sensors and controllers. Its configurable output ranges and high accuracy enable calibration of devices with different input requirements, while channel status LEDs simplify monitoring of output signal status during calibration procedures.

Actuator Control in Aerospace Testing: In aircraft component test rigs, the module generates analog signals to control hydraulic or pneumatic actuators that simulate flight conditions. The 1000V AC isolation protects the VMEbus system from electrical noise in test environments, and the wide operating temperature range ensures reliable performance in climate-controlled test chambers.

Motorola MVME-620

Related Model Recommendations

Motorola MVME336A: Higher-channel analog output module with 16 channels, ideal for scaling up systems from **Motorola MVME335A**.

Motorola MVME162-01: 3U VMEbus CPU module compatible with **Motorola MVME335A**, serving as the host for output signal control and data processing.

Motorola MVME172PA-644SE: Analog input module, working with **Motorola MVME335A** to create closed-loop control systems for process monitoring and adjustment.

GE VMIVME-7650: Digital I/O module complementary to **Motorola MVME335A**, adding discrete control capabilities for system interlocks.

Motorola MVME197LE: Memory expansion module for host CPUs, increasing storage for output signal profiles and configuration data.

Motorola MVME605: Next-generation PowerPC SBC, pairing with **Motorola MVME335A** for upgraded control systems requiring higher processing power for complex signal generation algorithms.

Installation & Maintenance Guidelines

Installation Preparation: Before installing the **Motorola MVME335A**, ensure the VMEbus chassis is powered off and properly grounded. Align the module with the 3U slot guides, verifying P1/P2 backplane connector alignment. Gently insert until fully seated, then fasten front-panel screws to prevent vibration-induced disconnections. For wiring, use shielded twisted-pair cables for output channels; ensure loads are within the ±5mA current rating and compatible with the configured output range.

Maintenance Best Practices: Perform quarterly inspections to clean dust from connectors and front-panel status LEDs using compressed air. Regularly check channel status LEDs to identify overcurrent conditions or output faults. Calibrate the module annually using a precision voltage reference to maintain ±0.1% linearity error. Ensure power supply voltages (5V ±5%, ±15V ±10%) are stable to prevent output signal drift. Use only genuine Motorola spare parts to maintain VMEbus compatibility and output precision.

Service & Warranty Commitment

The **Motorola MVME335A** is backed by a 2-year manufacturer’s warranty covering defects in materials and workmanship under normal industrial operation. Motorola’s technical support team provides professional assistance via email and phone, with response times within 24 hours for critical issues. We offer remote diagnostic services to troubleshoot output accuracy or configuration problems, minimizing on-site service costs. For legacy systems, we provide repair and calibration services to extend product lifecycle. Our commitment to quality ensures that the **Motorola MVME335A** delivers consistent, precise analog output performance, protecting your investment in industrial automation infrastructure.