3b scientific, Physics – 3B Scientific Digital Input Box User Manual

Page 3

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3B SCIENTIFIC

®

PHYSICS



1

Digital Input Box U11377

Instruction sheet

09/08 Hh

1. Safety instructions

The digital input box must be connected solely
to the “Digital Inputs” socket of a 3B NETlog

TM

unit.


2. Equipment supplied

1 Digital input box

1 8-pin miniDIN connecting cable, length 600 mm

1 Instruction sheet for U11377


3. Description

The digital input box is used for distributing digital
input channels A, B, C and D of a 3B NETlog

TM

(U11300) unit to four 8-pin miniDIN input sockets.

It allows for digital output signals from up to four
sensor boxes (e.g., photo gate U11365, laser
reflection sensor U8533380, and Geiger-Müller box
U11391) to be connected to the 3B NETlog

TM

unit at

the same time.

It is also possible to perform logical operations
using digital inputs A and B via the 3B NETlab

TM

(U11310) software

4. Technical data

Input signals:

TTL level

Output signals:

TTL level

Connections:

8-pin

miniDIN

sockets


5. Operation

Place the digital input box near the
experiment. Example: an air track (e.g.,
U40400 or U40405).

Position two photo gates (e.g., U11365)
alongside the air track and connect them via
their miniDIN cables to the input sockets A and
B of the digital input box.

Connect the digital input box via miniDIN
cable to the 3B NETlog

TM

unit.

Configure the two digital inputs A and B to be
linked using 3B

NETlab

TM

(input mode for

“Digital inputs A+B”) and evaluate the results
from the experimental data.




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