Measurement-computing DaqBoard-ISA Manuale Utente Scaricare il pdf (Pagina 24)

3-6 Hardware

02-14-02

DaqBoard-ISA User’s Manual

The P1 connector on the DaqBoard and on each DBK is a DB37 male connector. Connecting DBKs to a

DaqBoard is accomplished with a CA-131-x cable, where the x is the number of option cards to be

connected; for example, a CA-131-3 cable would be used to attach three DBK option cards to a DaqBoard.

Such connections are often referred to as a “daisy-chain.” Note that the CA-131-x cables consist of female

DB37 connectors.

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Before connecting DBKs to the DaqBoard, power-down all connected units.

Failure to do so could result in damage to the DBK or DaqBoard.

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Do not confuse connectors. Ensure that you only connect P1 I/Os to P1,

P2 I/Os to P2, and P3 I/Os to P3. Improper connection may result in equipment

damage.

In addition to P1 ports, DaqBoard/100A and DaqBoard/200A devices have P2 and P3 ports. For these

devices a CA-60 cable is required to connect the DaqBoard 40-pin headers with a DB37 connector outside

the PC, and then to the DBK option card.

A DaqBoard with CA-60 Cables for P2 and P3

•

P1 Analog I/O. Provides sixteen analog input channels, two analog output channels, a 16-bit

counter/timer, four TTL inputs and outputs, and various signals for driving expansion cards.

•

P2 Digital I/O. Provides three 8-bit TTL programmable I/O ports and external interrupt

input.

P2 expansion cables must be kept relatively short to ensure reliable operation. Do not

exceed 14 inches per attached DBK card.

•

P3 Frequency I/O. Provides five16-bit counters and sixteen high-speed digital inputs and

external interrupt input.

To gain access to the DaqBoard port connectors, signals can be connected via CA-131-x cable through a

D-shell 37-pin female connector or a DBK11 screw-terminal option card with component sockets.

Reference Notes: You must set up DaqView for the particular DBKs in your system. If you

are unfamiliar with the method of setting up DBKs in DaqView, or if you need a refresher,

refer to one or more of the following:

➣

the DaqView document module

➣

the DBK Set Up in DaqView chapter of the DBK Option Cards and Modules User’s

Manual.

➣

The DBK document modules, for hardware configuration aspects that require setup in

software.

Note: As new DBKs become available, be sure to use the latest revision of DaqView with the proper

configuration options.

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Measurement-computing DaqBoard-ISA Manuale Utente Pagina 24

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