Product Short Description
The GE VMIVME-1150-123L is a high-density, industrial-grade VMEbus digital input module engineered for critical control and monitoring applications. It provides 64 optically isolated digital input channels, converting external voltage signals into logic-level data for the host VMEbus system. The optical isolation eliminates ground loops and electrical noise, ensuring reliable data acquisition in harsh industrial environments. Designed for direct integration into VMEbus-based controllers, it delivers robust performance for real-time monitoring and automation.
Description
Technical Specifications
- Form Factor: VMEbus single-height board (6U)
- Input Channels: 64 optically coupled digital inputs
- Input Voltage: 5 VDC logic-level input (voltage source type)
- Isolation Voltage: 1,000 VAC sustained isolation between field and logic sides
- Data Polarity: True (active-high logic)
- Filter Options: Hardware selectable 10-second input filter for noise suppression
- Connectors: Dual front-panel I/O connectors (P1/P2 VMEbus interface)
- Power Consumption: 4.6 W typical; 10.5 W maximum
- Operating Temperature: -40°C to +85°C (-40°F to +185°F)
- Storage Temperature: -55°C to +125°C (-67°F to +257°F)
- Humidity: 5%–95% (non-condensing)
- Dimensions (H×W×D): 233 mm × 160 mm × 25 mm (9.2 in × 6.3 in × 1.0 in)
- Weight: 0.5 kg (1.1 lbs)
- Compliance: CE marked; meets IEC 61000-6-2 for industrial EMC
Key Features
- 64-Channel High-Density Input: Delivers 64 optically isolated digital inputs, optimizing I/O count in limited VMEbus slot space.
- 1,000 VAC Optical Isolation: Provides complete electrical separation between field circuitry and the host system, eliminating ground loops and enhancing noise immunity.
- Selectable 10-Second Input Filter: Suppresses transient noise and contact bounce, ensuring stable and accurate input readings.
- Dual I/O Connectors: Facilitates redundant wiring and simplified field termination for 64 channels.
- Wide Operating Temperature Range: Functions reliably from -40°C to +85°C, adapting to extreme industrial and outdoor environments.
- Low Power Consumption: Draws 4.6 W typical, minimizing system power load and heat generation.
- VMEbus Compliance: Seamlessly integrates with all standard VMEbus backplanes and host controllers.
- Industrial-Grade Durability: Constructed with high-quality components and a rugged PCB design for long-term reliability in harsh conditions.
Application Scenarios
- Industrial Automation: Monitors limit switches, proximity sensors, and relay contacts in manufacturing lines and assembly cells.
- Power Generation: Used in thermal, hydroelectric, and nuclear power plants for status monitoring of breakers, valves, and auxiliary equipment.
- Petrochemical & Refining: Deployed in hazardous areas for monitoring pressure switches, temperature alarms, and safety interlocks.
- Transportation: Applied in railway and mass transit systems for monitoring track circuits, door sensors, and emergency systems.
- Mining & Metals: Used in crushers, conveyors, and processing plants for monitoring equipment status and safety devices.
- Building Automation: Monitors fire alarms, security sensors, and HVAC equipment in large commercial and industrial facilities.
Functional Overview
The VMIVME-1150-123L operates as a dedicated digital input front-end for VMEbus systems. It receives 5 VDC logic-level signals from field devices, optically isolates each channel to prevent electrical interference, and converts the signals into digital data accessible via the VMEbus. The 10-second filter stabilizes noisy inputs, while the 64-channel density maximizes I/O capacity. By providing high isolation, wide temperature tolerance, and VMEbus compatibility, it ensures reliable, long-term performance in critical industrial monitoring and control applications.
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