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  USB-9421, USB-9421 D-Sub
Digital I/O
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General 
Form FactorUSB
OS SupportWindows
Measurement TypeDigital
Isolation TypeBank Isolation
Analog Input 
Number of Channels0
Analog Output 
Number of Channels0
Digital I/O 
Number of Channels8 DI
TimingSoftware
Logic Levels24 V
Maximum Input Range0..30 V
Input Current FlowSinking
Programmable Input FiltersNo
Watchdog TimerNo
Supports Handshaking I/O?No
Supports Pattern I/O?No
Counter/Timers 
Number of Counter/Timers0
Timing/Triggering/Synchronization 
Physical Specifications 
Length12.1 cm, 14 cm
Width8.6 cm
Height2.5 cm
I/O Connector25-pin D-Sub, Screw terminals
Data Sheet Data Sheet
  USB-9421, USB-9421 D-Sub
Digital I/O
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