PCI-7442 High-density 128-CH Isolated DIO/DI/DO Card CharacteristicsDownloadTechnical specificationsCharacteristics Supports universal 32-bit 3.3 V and 5 V PCI 64-CH opto-isolated digital input and 64-CH opto-isolated 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 Up to 300 mA high-output driving capability for all output Get a quote DownloadDownloadPCI-7442User-Manual-PCI-7442-Rev2.50Technical specificationsTechnical specifications ISOLATED DIGITAL INPUT Number of channels: 64 Maximum input range: 28 V, non-polarity Digital logic levels: 0 V ~ 28 V, non-polarity • Input high voltage: 5 V ~ 28 V • Input low voltage: 0 V ~ 1.5 V Input resistance: 2.4 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 Output type: open drain Power MOSFET driver Output range: 5 V ~ 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 Output Voltage: +5 V Output Current: 100 mA max. (@ 40°C) Safety Functions 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 to 60°C Storage temperature: -20 to 80°C Relative humidity: 5 to 95%, non-condensing Power requirements: +5 V 800 mA typical Dimension: 175 mm x 107 mm CharacteristicsDownloadTechnical specifications