User`s guide
Operation Theorem • 37
4.3 Local DIO
4.3.1 Digital Input
The PCI-8136M provides 19 digital input channels with 2500rms isolation.
The DI channel is logically “HIGH” when no current goes from COM+ to DIf,
and, Logically “LOW” when current goes from COM+ to DIf. The max current
passing trough DIf must be less than 20mA..
Related functions:
_8136_D_Input(), _8136_D_InputA() : please refer to section 5.5
4.3.2 Digital Output
The PCI-8136M provides 7 open collector output channels with 2500rms
isolation. Please carefully refer to section 3.7,3.8 for the circuit wiring.
DO COM+
DOut
Inside PCI-8136
DOx
DGND
PhotoCouple
Isolation
EXGND
ULN2003
Related functions:
_8136_D_Output(), _8136_D_OutputA() : please refer to section
5.5