PCI-7442/7443/7444
- 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
Specifications
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
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
| Device | +5 V |
| 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”)