Digi TransPort - Digital Output

TransPort WR31 hardware
Digi TransPort User Guide 43
Example digital and analog I/O wiring
Digital input with pullup
Digital input without pullup
NotethatinputisHIGHwhencontactisCLOSED.
Digital output
The wiring diagram assumes a current-limiting resistor provided by installation or connected
device is in use.
DIGITALINPUT
DIGITALRETURN
DigitalInput
WR31_3v3
PullͲupON
ExternalContact
(DoorContact,
etc.)
DIGITALINPUT
DIGITALRETURN
DigitalInput
ExternalContact
(DoorContact,
etc.)
DigitalOutputEnable
DIGITALRETURN
DIGITALINPUT