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The VMIVME2540-300 is an intelligent counter controller manufactured by General Electric (GE), part of the VMEbus architecture product series. It is primarily used for data acquisition, counting, and related tasks in industrial automation systems. Below is its detailed information:
- It features an onboard 15MHz 68HC000 processor, which executes circuit board functions through a command-driven user interface.
- It supports 32-bit floating-point arithmetic compliant with the ANSI/IEEE Standard 754-1985.
- Event Counting Capacity: Up to 4 billion events, enabling large-scale data accumulation and statistical analysis.
- Discrete Output Channels: Equipped with up to 24 discrete output channels, which can be programmed via various onboard jumper module options.
- Output Specifications: The 24 output channels have a 12-bit resolution and can source or sink up to 10mA of current at a voltage of ±10V.
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Frequency Measurement
- Range: 1.16×10⁻³Hz to 2.5MHz, suitable for monitoring the operating frequency of rotating machinery or pulse signals.
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Period/Pulse Width Measurement
- Range: 400ns to 8.5899×10⁶s (in 32-bit floating-point mode) or 400 seconds to 858 seconds (in 32-bit unsigned integer mode), supporting precise timing analysis of transient signals.
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Square Wave/Pulse Sequence Generation
- Range: 0.0076Hz to 2.5MHz, capable of generating stable excitation signals for sensors or actuators.
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Additional Measurement Features
- Supports orthogonal position measurement (up to 1MHz for sin/cos signals) with a 32-bit counter, and includes limit/modulo check functions for position-based control.
- Supported Interfaces: TTL, RS-232, and RS-485 (user-selectable), adapting to different communication environments.
- Communication Modes: Supports half-duplex communication, compatible with point-to-point and point-to-multipoint communication configurations.
- Data Transmission: Enables transparent data transmission and can handle long data frames, facilitating seamless integration with upper-level control systems.
- Power Supply: +5VDC ±5%, compatible with standard industrial power supplies.
- Input Voltage: 5-30VDC/AC, with wide voltage tolerance to adapt to unstable power conditions in industrial sites.
- Operating Temperature: -40°C to +85°C, ensuring stable operation in extreme temperature environments (e.g., outdoor equipment or high-temperature workshops).
- Humidity Resistance: 5-95% non-condensing, suitable for humid environments such as water treatment plants or chemical workshops.
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