Measurement-computing PCI-QUAD04 Manuale Utente Scaricare il pdf (Pagina 14)

PCI-QUAD04 User's Guide Specifications

Counter

Table 3. Counter specifications

Counter type LS7266R1 24-bit Dual-axis Quadrature Counter

Quadrature mode:

Clock frequency 1.2 MHz max.

Separation 100 ns min.

Clock pulse width 400 ns min.

Index pulse width

300ns min.

Count mode:

Clock frequency 30 MHz max, (25 MHz max Mod-N mode)

Clock A - high pulse width 14 ns min.

Clock A - low pulse width 14 ns min.

Filter clock (FCK) 10 MHz

Digital filter rate 10 MHz, software selectable divider (1 to 256 in single steps)

Crystal oscillator (FCK source):

Frequency 10 MHz

Frequency accuracy 100 ppm

Interrupt controller

Table 4. Interrupt controller specifications

Controller type 8259 Programmable Interrupt Controller

Configuration Polled mode only

Interrupts 2, 3, 5, 7, 10, 11, 12 and 15

Interrupt enable Programmable

Interrupt sources All Carry/Borrow outputs from LS7266R1, all Index inputs

Environmental

Table 5. Environmental specifications

Operating temperature range 0 to 70 °C

Storage temperature range -40 to 100 °C

Humidity 0 to 90% non-condensing

1 2 ... 9 10 11 12 13 14 15 16

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Measurement-computing PCI-QUAD04 Manuale Utente Pagina 14