ㆍ▷ High-Density 128-CH Isolated DIO/DI/DO PCI Cards
ㆍ▷ Supports universal 32-bit 3.3 V and 5 V PCI
ㆍ▷ 1250 VRMS isolation voltage
Features
▷Supports universal 32-Bit 3.3 V and 5 V PCI bus, plug-and-play
▷High-density, opto-isolated digital input and/or digital output
PCI-7442: 64-CH digital input and 64-CH digital output
PCI-7443: 128-CH digital input
PCI-7444: 128-CH digital output
▷1250 VRMS isolation voltage
▷Programmable Change-of-State (COS) detection for all
▷digital input channels
▷Voltage protection of up to 28 V for isolated input
▷Dry contact input (PCI-7442 only)
▷Up to 300 mA high-output driving capability for all output
channels
▷250 mA sink current on isolated output channels
▷Digital output status read back function
▷Digital output value retained after hot system reset
▷Programmable power-up DO initial status
▷Programmable safety DO status functions when
▷WDT interruption occurs
▷Watchdog timer counter prevents system crashes
(PCI-7442/PCI-7444 only)
▷32-CH programmable TTL I/O function
▷Board ID feature
Specification & Introduction
Isolated Digital Input
▷Number of channels
64 (PCI-7442)
128 (PCI-7443)
▷Maximum input range: 28 V, non-polarity
▷Digital logic levels: 0 V to 28 V, non-polarity
Input high voltage: 5 V to 28 V
Input low voltage: 0 V to 1.5 V
▷Input resistance: 4.7 kΩ @ 0.5 W
▷ESD protection CKT switch (forward)
▷Isolation voltage: 1250 VRMS channel-to-system
▷Interrupt sources: 64/128-channel Change-of-State
(COS)
▷Data transfer: programmed I/O
Isolated Digital Output
▷Number of channels:
64 (PCI-7442)
128 (PCI-7444)
▷Output type: open drain Power MOSFET driver
▷Output range: 5 V to 40 V
▷Sink current: 250 mA for all channel @ 100% duty
(300 mA max.)
▷Isolation voltage: 1250 VRMS channel-to-system
▷Data transfer: programmed I/O
Isolation +5 V Power Supply (PCI-7442/7444 only)
▷Output Voltage: +5 V
▷Output Current: 100 mA max. (@ 40˚C)
Safety Functions (PCI-7442/7444 only)
▷Programmable power-up DO status
▷Watchdog timer
Base clock available: 10 MHz, fixed
Counter width: 32-Bit
General Specifications
▷I/O connector: 68-pin Dual port VHDCI female
▷Operating temperature: 0˚C to 60˚C (32˚F to 140˚F)
▷Storage temperature: -20˚C to 80˚C (-4˚F to 176˚F)
▷Relative humidity: 5% to 95%, non-condensing
▷Power requirements
▷PCI-7442
800 mA typical
▷PCI-7443
550 mA typical
▷PCI-7444
800 mA typical
▷Dimension: 175 mm x 107 mm (6.82” x 4.17”)
Ordering Information
▷PCI-7442
64-CH Isolated DI and 64-CH Isolated DO card
▷PCI-7443
128-CH Isolated DI card
▷PCI-7444
128-CH Isolated DO card