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