Measurement-computing CIO-EXP32 Manuel d'utilisateur télécharger pdf (Page 14)

CIO-EXP32 User's Guide Installing the CIO-EXP32

You can alternatively connect the C-PCPOWER-10 to a BP-POWER adaptor to bring PC power out of the

computer. This adaptor provides three standard power connectors mounted on a backplate. Details on this

product are available on our web site at

www.mccdaq.com/products/accessories.aspx

Caution! Be careful not to pinch the cable when you replace the cover—if this cable is cut, the resulting short

circuit can damage the computer.

Connect the other end of the power cord to the connector labeled "

OPTIONAL EXTERNAL +5V POWER"

(

P15) on the CIO-EXP32. This end is keyed also. Refer to for the location of this connector. Figure 3

Slide the power source select switch (

S3) to the EXT position.

A/D board type

Use the 4-pin jumper labeled A/D BOARD TYPE to configure the CIO-EXP32 for use with the DAS08 family

of boards or the DAS16 family of boards. Place the jumper in the position for the type of A/D board you are

using with the CIO-EXP32. Fig shows the jumper configured with its default setting of DAS08. ure 6

Figure 6. Board type select jumper

LLGND

P2, pin19

P2, pin 18

DAS16DAS08

A/D Channel for EXP Output

Select a separate A/D channel for each CIO-EXP32 output that you plan to use. Each CIO-EXP32 has three

potential signals — the output of each of the two banks of 16 multiplexed inputs, and the output of the CJC

circuit. The output of the CIO-EXP32 selected channel is an input to the A/D board.

Three rows of 16 jumper pairs located near the 37-pin connectors are labeled with A/D board channel numbers

(see ). These channel numbers designate which of the A/D board's input channels will be connected to

the MUX board’s output(s). Each CIO-EXP32 output, if used, must be exclusively assigned to an A/D channel

using these jumpers. In other words, for all CIO-EXP32 boards attached to an A/D board, only one jumper on

any of the jumper blocks should be assigned to a particular channel.

Figure 7

Figure 7. EXP Channel Select and CJC Select jumper blocks

shows the layout of the jumper blocks on the CIO-EXP32.

EXP

0-15

CJC

01234567

11 12

13 14

EXP OUTPUT TO DAS

CJC OUTPUT TO DAS

EXP

16-31

DAS8/16 DAS16 ONLY

These jumpers are for boards with

16 channels only, such as the

CIO-DAS16 in 16 channel mode.

The CIO-EXP32 has two banks of 16 input channels. Each bank is multiplexed into one output. These two

outputs connect to the jumper block labeled

EXP OUTPUT TO DAS. This jumper block determines which

analog input channels of the A/D board in the computer is connected to the outputs from the CIO-EXP32 board.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 26 27

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Measurement-computing CIO-EXP32 Manuel d'utilisateur Page 14

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