NEC DLP Cinema NC3200S User Manual page 62

6. Appendix
Input Connector
Voltage applied across the pins of Ext_GPIN_P and
Ext_GPIN_N should be in the range from 3.3 Vdc to 10 Vdc.
Recommended Operating Current: 5mA
Absolute Maximum Rating:
• Using GPIO Control
Momentary "ON" pulse enables you to control projector. To enable "ON" pulse, hold it for at least 500 ms. Hold "OFF" for at
least 500 ms before "ON". (See page 63)
Here is function list to control projector by using GPIO port.
Pin No.
1-20
2-21
3-22
4-23
5-24 8-27
6-25
OFF
7-26
8-27
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
Example for dousing image:
Example for selecting the preset button 2: Input ON to 5-24 and 8-27 while 6-25 and 7-26 are OFF.
• The operation command coming from GPI/O port will be canceled when the projector is processing other tasks,
NOTE
such as lamp cooling and switching title.
• Set all other pins than those in use to "OFF".
• The operation command is executed upon continuous input of the "ON" pulse for approximately 200 ms.
62
Ext_GPIN_P
Pin No.: 1 2 3 4
23mA
Ext_GPIN_N
Pin No.: 20 21 22 23 24 25 26
Photo-coupler ON/OFF
ON/OFF
ON/OFF
-
-
7-26 6-25 5-24
OFF OFF ON
OFF ON OFF
OFF ON ON
ON OFF OFF
ON OFF ON
ON ON OFF
ON ON ON
OFF OFF OFF
OFF OFF ON
OFF ON OFF
OFF ON ON
ON OFF OFF
ON OFF ON
ON ON OFF
ON ON ON
Input ON to 5-24 and 7-26 while 6-25 and 8-27 are OFF.
GP I/O Connector Inside Projector
Resist = 390 Ω
5 6 7 8
27
3D L/R timing signal input ON/OFF
3D L/R display timing signal input ON/OFF
System reserved (used internally)
System reserved (used internally)
The following functions apply depending on the combination of input terminals.
Power ON
Power OFF
Lamp ON
Lamp OFF
Image douser ON
Image douser OFF
System reserved (used internally)
Selects the title registered to the preset button 1
Selects the title registered to the preset button 2
Selects the title registered to the preset button 3
Selects the title registered to the preset button 4
Selects the title registered to the preset button 5
Selects the title registered to the preset button 6
Selects the title registered to the preset button 7
Selects the title registered to the preset button 8
Photo-coupler
Forward direction voltage: 1.1V (@5mA)
Function