National Instrument DNET card versus PCI-CAN

[Stephen]

I looked at two PCI card made by National Instruments just now and
wonder if they accomplish the same thing or they are totally
different.

I)
One says PCI-CAN (1997) has phoenix (modicon?) connector, u know that
thing with 5 screws for u to screw your wire into the card and
labelled as (CAN_H, CAN_L, SHIELD, V+, V-).

II)
The other card has PCI-CAN/LS2 Series 2. It has a DB9 connector.

Now I am wondering if I can use them interchangeable to do CAN bus
communication to talk to an automotive module?

I asked someone and he told me the first card is actually a DeviceNet
card.
I argued with him, if its DeviceNet, why then does the label say
PCI-CAN 1997 on the card??

Any idea?

[rolfk]

Stephen wrote:

> I looked at two PCI card made by National Instruments just now and
> wonder if they accomplish the same thing or they are totally
> different.
>
> I)
> One says PCI-CAN (1997) has phoenix (modicon?) connector, u know that
> thing with 5 screws for u to screw your wire into the card and
> labelled as (CAN_H, CAN_L, SHIELD, V+, V-).
>
> II)
> The other card has PCI-CAN/LS2 Series 2. It has a DB9 connector.
>
> Now I am wondering if I can use them interchangeable to do CAN bus
> communication to talk to an automotive module?
>
> I asked someone and he told me the first card is actually a DeviceNet
> card.
> I argued with him, if its DeviceNet, why then does the label say
> PCI-CAN 1997 on the card??

Device-Net is CAN. It just is a specific prot
ocol used on the CAN bus
and the Device-Net card has a protocol stack driver included to know how
to deal with Device-Net messages. Except this difference and the
connector it is the same card.

Rolf Kalbermatter