Motorola MVME131DON

Description

Detailed Parameter Table

Motorola MVME-177-003

Product Introduction

The Motorola MVME131DON is a legacy industrial VMEbus high-density digital I/O module designed for discrete signal acquisition and control in harsh industrial environments—filling the gap between low-channel I/O modules and specialized high-current modules like Motorola MVME2101-1. Unlike Ethernet communication modules such as Motorola MVME945B-001 (focused on network connectivity), Motorola MVME131DON delivers 64 integrated digital channels (32 input/32 output) to handle high-volume discrete tasks, such as monitoring sensor statuses and controlling low-power actuators.

In automation architectures, Motorola MVME131DON acts as a “discrete signal hub”: it collects on/off data from 32 digital sensors (e.g., limit switches, photoelectric detectors) and sends control signals to 32 low-power actuators (e.g., indicator lights, small solenoids) via the VMEbus, coordinated by host SBCs like Motorola MVME-166-11A. Its -25°C–75°C operating range and 2.0 g vibration resistance make it suitable for extreme conditions—from freezing food processing plants to high-vibration manufacturing floors—where standard I/O modules fail. This design makes Motorola MVME131DON indispensable for legacy systems like automotive assembly lines, industrial packaging machines, or oilfield equipment monitoring—where replacing it would require costly rewiring of dozens of discrete devices.

Core Advantages and Technical Highlights

Ultra-Harsh Environment Durability: Motorola MVME131DON’s -25°C–75°C operating range and 70 g shock resistance exceed the environmental specs of standard I/O modules (typically -10°C–60°C, 50 g shock)—making it ideal for extreme applications. In a frozen food processing plant, Motorola MVME131DON monitors 24 conveyor belt limit switches (5V DC inputs) and controls 16 door actuators (5V DC outputs) in a -20°C freezer, maintaining reliable operation where Motorola MVME-201 (a standard DI module) would fail due to cold-related component issues. Its humidity tolerance also ensures performance in damp environments like paper mills or wastewater treatment plants.

High-Channel Density + Integrated I/O: With 64 channels (32 DI/32 DO) in a single 3U slot, Motorola MVME131DON reduces VMEbus chassis slot usage by 50% compared to 32-channel modules. A beverage bottling plant using Motorola MVME-166-11A as the host SBC can use one Motorola MVME131DON to monitor 30 “bottle present” sensors (DI) and control 28 filling valve solenoids (DO)—eliminating the need for two separate modules and freeing slots for other components like Motorola MVME945B-001 (Ethernet communication). This integration also simplifies wiring, cutting installation time by 30%.

Fast Response + Robust Protection: Motorola MVME131DON’s <1µs input response time ensures it captures rapid signal changes—critical for high-speed applications like electronics assembly, where a delayed “part misalignment” signal could damage 100+ circuit boards per minute. Its 300mA per-channel short-circuit protection also safeguards the module and connected actuators: if a solenoid cable shorts, the module automatically recovers once the fault is fixed, avoiding manual replacement and reducing downtime by 40% vs. non-protected modules. The built-in BIST further streamlines troubleshooting by validating I/O circuits on startup.

Typical Application Scenarios

In automotive body assembly, Motorola MVME131DON is paired with Motorola MVME-166-11A to control a 20-station robotic riveting line. The module’s 32 DI channels monitor “part clamped” sensors (5V DC) at each station, while 32 DO channels activate rivet guns and conveyor advance solenoids (5V DC). Motorola MVME131DON’s <1µs response time ensures the SBC receives “clamp open” signals in time to stop riveting within 5ms, preventing $15,000+ in damaged parts per incident. Its 2.0 g vibration resistance withstands robot movements, while -25°C–75°C temperature tolerance handles the plant’s seasonal temperature fluctuations—maintaining 99.9% uptime for 500+ daily car bodies.

For oilfield wellhead monitoring, Motorola MVME131DON is installed in a remote enclosure with Motorola MVME-147SA-1 to track 28 wellhead valve statuses (DI, 5V DC) and control 16 pressure relief valves (DO, 5V DC). The module’s -25°C operating range withstands winter temperatures in North Dakota oilfields, while its humidity resistance prevents corrosion from summer rain. Motorola MVME131DON transmits valve status data to a central SCADA system via Motorola MVME945B-001 (Ethernet module), enabling remote operators to open/close valves as needed—reducing on-site visits by 60% and cutting operational costs by $20,000+ annually.

Motorola MVME-177-003

Related Model Recommendations

Motorola MVME131DON-1: High-current variant of Motorola MVME131DON (500mA per output channel). Ideal for users needing to drive larger actuators (e.g., medium-sized solenoids) beyond the standard 200mA limit.

Motorola MVME-166-11A: Mid-tier SBC compatible with Motorola MVME131DON. Provides processing to manage the module’s I/O signals, forming a complete discrete control system.

Motorola MVME945B-001: Ethernet communication module complementary to Motorola MVME131DON. Enables remote monitoring/control of the module’s I/O signals via IP networks (e.g., SCADA systems).

Motorola MVME2101-1: High-current DO module paired with Motorola MVME131DON. Handles power-hungry actuators (e.g., 2A motors) while Motorola MVME131DON manages low-power I/O (e.g., sensors, indicators).

Emerson MVME131DON-R: Refurbished variant of Motorola MVME131DON. Tested to original environmental and I/O specs—cost-effective replacement for failing units in harsh environments.

Motorola 30GD-2-U4300117: Industrial DC PSU. Powers Motorola MVME131DON and its host SBC, ensuring stable +5V DC for I/O circuit performance.

Motorola MVME-177-003: Analog input module. Complements Motorola MVME131DON by adding high-precision analog data (e.g., temperature, pressure) to discrete control systems.

Motorola MVME334B: Serial communication module. Provides RS-232/RS-485 connectivity for Motorola MVME131DON in systems without Ethernet (e.g., legacy HMIs).

Installation, Commissioning and Maintenance Instructions

Installation preparation: Before installing Motorola MVME131DON, verify the VMEbus chassis has a 3U slot and the host SBC (e.g., Motorola MVME-166-11A) supports A16/D16 addressing. Confirm the power supply provides +5V DC (±3%)—use a precision multimeter to avoid voltage ripple that disrupts I/O signals. Gather tools: anti-static wristband (protects I/O circuits), torque screwdriver (0.3 N·m for mounting), digital multimeter (for signal testing), and a laptop (for BIST verification). Use twisted-pair cables (24 AWG) for I/O connections—route separately from power cables (min 20 cm separation) to reduce EMI, and use heat-shrink tubing for connections in high-humidity environments.

Maintenance suggestions: For daily upkeep, check Motorola MVME131DON’s bank LEDs—steady power, green input/output status, and no fault lights indicate normal operation. Run BIST monthly via the host SBC to validate I/O circuits; replace the module if faults are detected. Clean the module’s vents quarterly with compressed air (25 PSI max) to prevent overheating, especially in high-temperature environments. If an output short-circuit occurs, isolate the actuator (check cable continuity), reset the module via the SBC, and verify the load current doesn’t exceed 200mA. Store spare Motorola MVME131DON units in anti-static bags (15°C–25°C, 40%–60% humidity) to preserve I/O transistor integrity.

Service and Guarantee Commitment

Motorola MVME131DON is backed by a 24-month warranty from Emerson for refurbished units, covering defects in I/O circuits, short-circuit protection components, and diagnostic systems. If the module fails (e.g., output channel failure in a harsh environment), Emerson provides free 5-day replacement—critical for systems where I/O downtime halts production (e.g., automotive assembly).

For extended support, customers can purchase a 36-month service contract, including 24/7 remote troubleshooting (via phone/email), access to archived drivers (e.g., VxWorks 5.4 compatible), and on-site testing for harsh environment compatibility. Emerson maintains a global stock of I/O transistors and protection ICs for Motorola MVME131DON until 2040, ensuring legacy systems retain reliable discrete control in extreme conditions. This commitment underscores Emerson’s dedication to supporting industrial infrastructure in challenging environments, helping users avoid costly full-system upgrades.