User manual

29 Chapter 2

2.11.3

Isolated

Outputs

Each of isolated

output channels

comes equipped with a

Darlington tran-

sistor. All output

channels share common emitters.

Please note

that if

an external

voltage (5

~ 40

VDC) is applied to

an iso-

lated output

channel while it is being used as an output

channel, the cur-

rent will flow from

the external voltage source

to the UNO-4672. Please

take care that the

current through each

DO pin

not exceed 200

mA. Figure

below shows how

to connect

external

output load

to the UNO-4672 iso-

lated outputs.

Please

note that

DO2 and DO3

may be configured

output

pins of Counter 0 and Counter

Note: UNO-4672 provides built-in examples to show how to

deliver digital output functionality. Refer to console

mode examples in C:\Program Files\Advan-

tech\UNO\UNO_IsaDIO\Examples\Console. (Please

install DI/O driver from the UNO CD to use these

examples)