GE VMIVME-2540 Контроллер

I. Product overview
The GE VMIVME-2540 is a VME-bus intelligent counter/controller that provides high-precision digital measurement and generation capabilities. It supports a variety of functions, such as measurement, generation, position control, etc., and is widely used in rotary shaft instruments, automotive testing, medical and other fields. As part of the VMIC/GE Fanuc family, the VMIVME-2540 has a high performance and flexible interface that makes it ideal for the field of industrial automation.
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Two, the main function
Measuring function:
Event count: up to 4 gigabit events.
Frequency measurement: range from 1.16 x 10^-3 Hz to 2.5 MHz.
Period/pulse width measurement: 400 ns to 8.5899 x 10^6 s (32-bit floating-point number), and 400 ns to 858 s (32-bit unsigned integer).
Orthogonal position measurement: sine/cosine frequency up to 1 MHz, 32-bit counter, limit/modulus check.
Generation function:
Pulse train/square wave generation: Frequency range from 0.0076 Hz to 2.5 MHz.
Timer/cycle interrupt generation: Frequency range from 0.0076 Hz to 1,000 Hz.
Orthogonal position control: ±1/4 wave control resolution, up to 1.25 MHz step rate, ±32767 steps per instruction.
Other features:
Programmable outputs: Up to 24 discrete outputs, supporting pulse train mode, N-pulse of the train with programmable duty cycle.
Integer QPM group acquisition: Two integer QPM measurements are collected simultaneously.
Event trigger timer delay: A VMEbus interrupt occurs up to 131.1 seconds after the event edge is entered and can be triggered again.
3. Technical specifications
Interface: 24 control/measurement interfaces, including 24 clocks, 24 gates, 24 outputs; RS-422 differential interface, supports single-end TTL input.
CPU: Onboard 15 MHz 68HC000 CPU that directly configures and manages each STC interface.
Memory: 64 Kbyte VMEbus memory window.
Data exchange: 32-bit floating point arithmetic in accordance with ANSI/IEEE standard 754-1985.
Compatibility: Compatible with ANSI/IEEE 1014-1987 IEC 821 and 297 standards with VMEbus.
4. Application field
Due to its high precision and flexibility, the GE VMIVME-2540 is widely used in the following areas:
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Rotating axis instrument: angular position, speed, acceleration measurement.
Automotive industry test: brake, transmission, tachometer test.
Robot control.
Telescope/observatory equipment.
Medical/laboratory instruments.
Linear position measurement: distance, velocity, acceleration.
Elevator and bridge crane control.
V. Summary
GE VMIVME-2540, as a high-performance VME bus intelligent counter/controller, has been widely used in the field of industrial automation for its high precision, multi-function and flexibility. Whether measuring or generating functions, it can provide reliable performance and accurate data, and is one of the important equipment in industrial automation production lines.

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