Digital I/O

cancel
Showing results for 
Search instead for 
Did you mean: 

Digital I/O port led was not lighting in my BNC-2120

Hi,

 

I am new to Labview 2010 and working with BNC-2120. I am working for getting the basic knowledge on Labview with DAQ(BNC-2120). Meanwhile i am trying to generate the Digital output signal from my DAQ(from port no 7 which is in Digital I/O part).I have connected externally LED in series with 300 ohm resister  from port no PO 7(Digital I/O) to GND.I just followed this URL i.e.,http://zone.ni.com/devzone/cda/epd/p/id/6410#toc6.

 

Coming to Labview 2010,I just dropped Daq Asst on the Block panel window and gave the port no 7  to generate the Digital Output for Externally connected LED lightning.I just pressed run for make sure about that.On the moment my led with the corresponding port was going off. I think i generated already existing signal. So,What could i do now to work with my port 7 in my Digital I/O part of my DAQ. Before i started working with the voltage on the port 7 is 4.8V and now it is 0V.

 

Anyone can help me to resolve this problem....:))

 

 

Venkatesh D

Venkatesh D
0 Kudos
Message 1 of 2
(3,516 Views)

The BNC-2120 is not a DAQ device. It is a dumb terminal block. What is your actual device? What kind of control did you create? Are you saying that with a true and false, you always get a logic 0 out? What about the test panel in MAX?

0 Kudos
Message 2 of 2
(3,491 Views)