User`s manual

Hardware Reference 13
Connection Sample with External I/O Device
 Digital input or trigger input connection for switch input.
 Digital input or trigger input connection for TTL signal input.
Note: The response of the computer needs to be inversed in this
connection condition mode.
If the external device output controls the digital input com-
mon contact, the response of the computer must be in-
versed.
DC 3.3V
Frame GND
PCIe-GIE62+ Internal Circuit
Switch
DC Power
Supply
Digital or trigger input
connection sample for
switch input
Digital
Input
Common X
Digital
Input X
Frame GND
PCIe-GIE62+ Internal Circuit
DC Power
Supply
Digital or trigger input
connection sample for TTL
Device input
TTL
Device
Digital
Input
Common X
Digital
Input X
DC 3.3V
Output