Digital guide
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GE VMIVME-2540 Intelligent Counter/Controller
1. Technical Specifications
• Processor: on-board 15 MHz 68HC000 CPU
• Counting depth: up to 4 billion events per channel
• Frequency range: 1.16 × 10⁻³ Hz to 2.5 MHz
• Period / pulse-width window: 400 ns to 8.5899 × 10⁶ s (32-bit floating-point) or 858 s (unsigned integer)
• Channels: 4, 8, 16 or 24 software-selectable configurations
• Output drive: 24 discrete outputs, ±10 V at 10 mA per channel, 12-bit resolution
• Step rate for quadrature position control: up to 1.25 MHz with ¼-wave resolution
• VMEbus interface: A32/A24/D32/D16/D8 slave, 64 kbyte memory window, ANSI/IEEE 1014-1987
Detailed content
compliant
• Data format: ANSI/IEEE 754-1985 32-bit floating-point
• Local timing: six programmable System Timing Controllers (STCs) each offering four high-speed counter / waveform synthesis ports
• Isolation: RS-422 differential or single-ended TTL I/O options
• Power: single-slot 6U VME, +5 V DC only
• Data format: ANSI/IEEE 754-1985 32-bit floating-point
• Local timing: six programmable System Timing Controllers (STCs) each offering four high-speed counter / waveform synthesis ports
• Isolation: RS-422 differential or single-ended TTL I/O options
• Power: single-slot 6U VME, +5 V DC only
2. Functional Highlights
• Continuous measurement mode runs without host CPU intervention, freeing system resources
• Command-driven memory-mapped user interface—no low-level timing programming required
• Real-time pulse-train, square-wave and PWM generation with programmable duty cycle
• Quadrature decoding for rotary shafts, linear encoders and robotic joints
• Built-in self-test and diagnostics accessible via VMEbus
• Continuous measurement mode runs without host CPU intervention, freeing system resources
• Command-driven memory-mapped user interface—no low-level timing programming required
• Real-time pulse-train, square-wave and PWM generation with programmable duty cycle
• Quadrature decoding for rotary shafts, linear encoders and robotic joints
• Built-in self-test and diagnostics accessible via VMEbus
3. Application Scenarios
• Rotating machinery monitoring: angular position, velocity and acceleration on motors, turbines and spindles
• Automotive testing: brake, transmission and tachometer validation rigs
• Robotics: joint position feedback and trajectory generation
• Telescope / observatory: high-resolution tracking and pointing control
• Medical and laboratory instruments: precision timing and sample positioning
• Elevators, overhead cranes, X-Y tables, machine tools and automated storage/retrieval systems
• Rotating machinery monitoring: angular position, velocity and acceleration on motors, turbines and spindles
• Automotive testing: brake, transmission and tachometer validation rigs
• Robotics: joint position feedback and trajectory generation
• Telescope / observatory: high-resolution tracking and pointing control
• Medical and laboratory instruments: precision timing and sample positioning
• Elevators, overhead cranes, X-Y tables, machine tools and automated storage/retrieval systems
4. Installation & Expansion
• Plugs directly into any standard 6U VME chassis; supports daisy-chained interrupt lines for multi-card synchronisation
• Firmware upgradeable in-system via VMEbus
• Compatible with VMIC VMIVME-7614 CPU boards and VMIVME-5588 reflective memory for distributed control
• Plugs directly into any standard 6U VME chassis; supports daisy-chained interrupt lines for multi-card synchronisation
• Firmware upgradeable in-system via VMEbus
• Compatible with VMIC VMIVME-7614 CPU boards and VMIVME-5588 reflective memory for distributed control
5. Ordering Package
• VMIVME-2540 module (channel count ordered as suffix)
• 6U VME front-panel kit and extraction lever
• User manual (paper and PDF)
• Factory calibration certificate
• VMIVME-2540 module (channel count ordered as suffix)
• 6U VME front-panel kit and extraction lever
• User manual (paper and PDF)
• Factory calibration certificate
