digital channel doesn't do clocked sampling

[mct1911]

Hi, all,

I am trying to generate a digital output signal as TTL pulses to control another device. I used matlab daq.session to creat all the possible clock signals matlab suggested for the digital channels to do clock samplng  (sClk/counterChannel or addAnalogInut). Still I cannot get the digitalchannel to work with the clock. Matlab always told me that the channels are not able to perform clocled sampling. Is it possiable that the digital channels on my BNC2110 board or PCI6110 card do not support clocked sampleing? Is there anyway to get around it?

I am able to use ni-max to toggle the digital channels to turn on the devide that I want to control. So it seems to me that the hardware are okay.   

the system is :

matlab r2013b

BNC2110 board

PCI 6110 card

whidndows 7

12G RAM

Many thanks,

mc

[Dennis_Knutson]

Haven't you read the manual or specs for the 6110? It clearly states that it only has software timing.

The BNC-2110 is irrelevant.

[mct1911]

HI, Dennis,

Thanks. But still I dont understand why every time when my matlab code steps through "addDigitalOutput", the message warns me that I am adding channels that are not clocked sampling enabled even though I did use addAnalogInput () or sClk to give it the clock. I assume that's what you say about sofeware time clock. Sorry that I am repeating my question here again. Thanks in advance if you can give me some suggestions to work on.

Appreciate,

mc 

[Dennis_Knutson]

You can't specify any clock at all our use any function that requires a clock.

[Henrik_Volkers]

Dennis: When I look into the specs I read than one can configure the PFIs to output clock signals (scanclk or freq_out or timer signals)

mct1911: What type of TTL signals do you want to generate??

[mct1911]

Thanks, Dennis. 

Hi, Henrik, I am trying to generate pulses of 1 sec 5V TTL with 2 mins between each pulse from two digital channels.

mc   

[crossrulz]

I would use one of the counters on that board to create a pulse train.

[mct1911]

Thanks, crossrulz, 

I will look into how to do that. 

mc

[mct1911]

Hi, corssrulz,

I did try using counter channels. Still matlab doesn't allow it to queue data output unless a analog or digital channel is used. Anyt other suggestions would be appreciated.

Thanks,

mc