ADLINK PCI-7442 - Manual (Page 15)

Introduction 3
1.3 Specifications
Continued on next page.
Optical isolated digital input (PCI-7442/PCI-7443 only)
Input channels 64 (PCI-7442)
128 (PCI-7443)
(Note: Use an efficient cooling system and pay particular
attention to the card and chassis temperature when using
the digital input channels.)
Input voltage High: 5 V – 28 V, non-polarity
Low: 0 V – 1.5 V, non-polarity
Input resistance 4.7 k
Ω
Isolated voltage 1250 V
RMS
Interrupt source Change of State (COS)
Optical isolated digital output (PCI-7442/PCI-7444 only)
Output channels 64 (PCI-7442)
128 (PCI-7444)
Output type Open drain power MOSFET driver
Output device TPC8206
Output range 5 V – 40 V
Sink current 250 mA for all channel @ 60°C, 100% duty
(300 mA max.)
Isolation voltage 1250 V
RMS
Data transfer Programmed I/O
Isolated +5V power supply (PCI-7442/PCI-7444 only)
Output voltage +5 V
Output current 100 mA maximum at 40°C
Programmable TTL I/O
Number of I/O channels 32
Digital logic level TTL / 3.3 V TTL
Current rating 4 mA (max) per channel
Data transfer Programmed I/O
Watchdog timer (PCI-7442/PCI-7444 only)
Base clock available 10 MHz (fixed)
Counter-width 32-bit