Floor-mounted projector placement (continued)

CONTENTS

18

1

Place the projector on a steady, level surface such as a table.

 

 

To obtain proper screen projection, place the projector so that the light beam hits the screen squarely.

Top view

Screen

90°

Point the lens straight at the center of the screen as above.

Side view

Screen

90°

Place the projector horizontally so that the projecting light hits the screen squarely.

connectionsInstallation and

2

Determine the screen size projected on the screen.

 

 

 

 

The projection size depends on the distance between the lens and the screen.

• The values are approximations.

 

Adjust the projection size by changing the distances as shown below.

 

Projection size x 20.32 - 31

 

a (m)

 

Projection size

Minimum

Maximum

Screen

a (min.) =

1000

(inches)

(At maximum zoom)

(At minimum zoom)

 

Projection size x 24.38 - 32

 

30

0.70

 

a (max.) =

 

1000

36

0.70

0.85

90°

a: Distance between the lens and the screen (m)

50

0.98

1.19

Limit: 0.70m < a < 3.63m

80

1.59

1.92

 

 

100

2.00

2.41

 

 

120

2.41

2.89

 

a

150

3.02

3.63

 

180

3.63

 

 

Note

You can adjust the vertical projection position with the lens shift dial. 20

Continued

Page 18
Image 18
Toshiba TLP551, 251, 250, TLP550 owner manual Determine the screen size projected on the screen, Side view

251, TLP550, TLP551, 250 specifications

Toshiba has long been recognized for its innovation in the field of semiconductor technology, particularly in the area of optoelectronic devices. Among its extensive portfolio, the Toshiba TLP series stands out, especially models such as the TLP250, TLP551, TLP550, and TLP251. These optoisolators are designed to provide exceptional performance in various applications, including industrial controls, communication equipment, and power supplies.

The TLP250 is a high-speed transistor optoisolator that boasts a maximum data transmission rate of up to 10 Mbps. It is designed for applications where precise isolation between input and output is critical. The device employs a GaAlAs light-emitting diode, ensuring a fast response time and efficient operation. Its package includes a phototransistor, which enables it to switch high voltages and currents, making it ideal for driving loads in various circuits.

In contrast, the TLP551 offers a higher level of phototransistor isolation with a breakdown voltage of up to 5 kV. This model is well-suited for environments where electrical noise is a concern, as it provides reliable and stable isolation. With a maximum forward current of 50 mA, the TLP551 ensures that even in complex industrial settings, signal integrity can be maintained effectively.

The TLP550 is another noteworthy optoisolator, characterized by its compact size and robust performance. It also integrates a phototransistor output, which allows for a high degree of flexibility in design. This model is engineered to deliver a maximum isolation voltage of 3.75 kV, making it suitable for various high-voltage applications.

Finally, the TLP251 offers a unique combination of features tailored for demanding applications. With its high-speed response and excellent voltage gain, it is particularly advantageous in communication systems. Its ability to provide isolation while transferring data makes it an essential component for many digital interfaces.

In summary, the Toshiba TLP series, including models like the TLP250, TLP551, TLP550, and TLP251, exemplify the brand's commitment to quality and innovation in optoelectronic devices. These models are engineered to meet the rigorous demands of modern applications, offering features such as high-speed operation, significant isolation voltage ratings, and versatile output options. For engineers and designers, choosing the right Toshiba optoisolator can significantly enhance the reliability and efficiency of their electronic systems.