VMIVME-2540 is an intelligent counter/controller produced by GE(General Electric)or the VMIC/GE Fanuc series that was later acquired by Abaco Systems.The following is a detailed introduction to the product:

I.Product Overview

VMIVME-2540 is a VME bus intelligent counter/controller designed for a variety of applications on industrial production lines,such as CPU management and input and output communication.It provides high-precision digital measurement and generation capabilities and supports a variety of functions such as measurement,generation and position control.

II.Main functions

Measurement functions:

Event counting:Able to count up to 4 Giga events,showing excellent processing capabilities and counting accuracy.

Frequency measurement:Frequency measurement range is 1.16×10^-3 Hz to 2.5 MHz.

Period/pulse width measurement:The measurement range is 400 ns to 8.5899×10^6 s(32-bit floating point number),or 400 ns to 858 s(32-bit unsigned integer).

Quadrature position measurement:Sine/cosine frequencies up to 1 MHz,32-bit counters with limit/modulus checking.

Generation functions:

Pulse train/square wave generation:Generation range is 0.0076 Hz to 2.5 MHz.

Timer/periodic interrupt generation:Timer/periodic VME bus interrupter range is 0.0076 to 1,000 Hz.

Frequency division function.

Quadrature position control output:±1/4 wave control resolution,up to 1.25 MHz step rate,±32767 steps per instruction

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III.Technical specifications

Control/measurement interface:24 control/measurement interfaces are provided,including 24 clocks,24 gates and 24 outputs.

Programmable output:Up to 24 discrete outputs,these channels can be programmed through various on-board jumper module options to accommodate a variety of different output requirements.

Resolution and accuracy:

Each output channel is designed to provide high resolution(such as 12-bit resolution)and high-precision output.

Capable of sourcing and sinking up to 10 mA at±10 V,suitable for driving a variety of industrial loads.

Data exchange interface:ANSI/IEEE standard 754-1985 for 32-bit floating point operations.

Other specifications:

Onboard 15 MHz 68HC000 CPU.

A32/A24/D32/D16/D8(EO)VME slave interface,64 Kbyte VMEbus memory window.

RS-422 differential interface,supports single-ended TTL input.

Options allow configuration of 4,8,16 and 24 interfaces.

IV.Application Fields

The VMIVME-2540 is widely used in many fields,including but not limited to:

Rotary axis instruments:for measurement and control of angular position,velocity,acceleration.

Automotive industry testing:such as testing of brakes,gearboxes,tachometers.

Robot control.

Telescope/observatory equipment.

Medical/laboratory instruments.

Linear position measurement:such as measurement of distance,velocity,acceleration.

Elevator and bridge crane control.

V.Product Features

High performance:With excellent processing power and counting accuracy,it meets the needs of various complex industrial applications.

Flexible interface:Provides a variety of interface options,allowing users to configure and expand according to actual needs.

Easy to use:Equipped with a friendly user interface and memory mapping interface,users can easily configure the measurement,timing and output functions of each channel without directly programming the system timing controller.

In summary,VMIVME-2540 is a feature-rich and high-performance intelligent counter/controller,which is widely used in the field of industrial automation and control systems.

 

 

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