Screw terminal – pins 1-20, Screw terminal – pins 21-40, Main connector and pin out – Measurement Computing USB-1024LS User Manual
Page 12: Main connector and pin out -2, Figure 3-2
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USB-1024LS User's Guide
Functional Details
Pin 1
Pin 20
Pin 21
Pin 40
Figure 3-2. USB-1024LS screw terminal pin numbers
Screw terminal – pins 1-20
The screw terminals on the top edge of the USB-1024LS (pins 1 to 20) provide the following connections:
!
Eight digital I/O connections (
Port C0 to Port C7
)
!
One counter connection (
CTR
)
!
Five ground connections (
GND
)
Screw terminal – pins 21-40
The screw terminals on the bottom edge of the USB-1024LS (pins 21 to 40) provide the following connections:
!
16 digital I/O connections (
Port A0
to
Port A7
, and
Port B0
to
Port B7
)
!
One power connection (
PC+5 V
)
!
Three ground connections (
GND
)
Main connector and pin out
Connector type
Screw Terminal
Wire gauge range
16 AWG to 30 AWG
3-2
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