NEC Nc900ca Manual

81
6. Appendix
6-8-2. External control connector (GP I/O) (D-Sub \l37 pin)
\bt  is  possi\fle  to  control  the  projector  with  an  external  device  and  to  control  the  external  device  from  the  projector  using  an 
external  control  connector  (GP\bO:  General  Purpose  \b/O  Ports).  Each  pin  is  electrically  separated  from  the  projector  internal 
circuits \fy a photo-co\fiupler. 8 port input and 8 port output are availa\fle. 
Please contact you\fir dealer/distri\futo\fir regarding...

82
6. Appendix
Input Connector
GP \b/O Connector\bnside Projector
Resist = 390 Ω
Photo-coupler
Forward direction voltage: 1.1\fiV (@5mA)
Ext_GP\bN_P
Pin No.:      1     2     3     4     5     6     7     8
Ext_GP\bN_N
Pin No.:  20 21 23 23 24 25 26 27
Voltage applied across the pins of Ex\fit_GP\bN_P and 
Ext_GP\bN_N should \fe \fiin the range from 3.3 Vdc to 10 V\fidc. 
Recommended Operat\fiing Current: 
5mA
A\fsolute Maximum Ra\fiting:  23mA
• Using GPIO Control
Momentary “ON” pulse ena\fles you to...

83
6. Appendix
• Timing chart of GPIO control
Example of Select \fiPreset ButtonOff at least 500 ms at least 500 ms
approx. 200 ms
on off
on off
8-27
5-24/6-25/7-26
Execute
Select Preset Buttontime
Example for turning the image dous\fier (Douser) on
Off at least 500 ms at least 500 ms
approx. 200 ms
on off
on off
5-24/7-26
6-25/8-27
Execute
\bmage douser (Douser\fi) ONtime
Example of Lamp On\fi
Off at least 500 ms at least 500 ms
approx. 200 ms
on off
on off
5-24/6-25
7-26/8-27
Execute
Lamp Ontime 

84
6. Appendix
Example for turning the power offOff at least 500 ms at least 500 ms
approx. 200 ms
on off
on off
6-25
5-24/7-26/8-27
Execute
Power OFFtime 

85
6. Appendix
Output Connector
GP \b/O Connector\bnside Projector
Photo-coupler
Ext_GPOUT_P
Ext_PROJ_GOOD_P
Pin No.:    9 10    11   12   13   14   15   16
Pin No.:  28 29 30 31 32 33 34 35
A\fsolute Maximum Ra\fiting: 50 mA
Ext_GPOUT_N
Ext_PROJ_GOOD_N
• Using GPIO Control
You can use GP\bO control for the projector’s health check and error check. Also, you can use the output as the trigger to control 
external devices. 
The following functions are assigned to the pin num\fer 13-32, 14-33, 15-34, and...

86
6. Appendix
6-8-3. 3D connector (D-sub 15 pin)
This is used to co\finnect a 3D image sy\fistem to the projector.
Pin view of a fema\file connector
Pin No.Signal Name \b/O Function
1 +12V PWRSupplies power (+1\fi2V) to the 3D image\fi system
2 GNDC GNDGround
3 GNDC GNDGround
4 RS232_RX \bNData transmission f\firom the 3D image sys\fitem 
(1200 Baud, 8 \fits,\fi No Parity)
5 RS232_TX OUTData transmission t\fio the 3D image syst\fiem 
(1200 Baud, 8 \fits,\fi No Parity)
6 CONN_3D_MODE+ OUT3D mode status...

87
6. Appendix
6-9. Related products list
Product nameModel name
Lens Zoom lens 1.36 to \fi1.63NP-9LS14Z
Zoom lens 1.63 to \fi2.03 NP-9LS16Z
Zoom lens 2.03 to \fi2.72 NP-9LS20Z
Zoom lens 2.72 to \fi4.07 NP-9LS27Z
Zoom lens 4.07 to \fi6.34 NP-9LS40Z
Lamp Replacement LampNP-9LP01
Air Filter Replacement Filter\fiNP-9AF01
Lamp and Air Filte\fir Kit Replacement Lamp a\find FilterNP-9LF01
\bntegrated Media Se\firver \bntegrated Media Se\firverNC-90MS01
Signal \bnput Board (supports CineLink™ 2) (No\fite 1)...

© \fEC Display Solutions, Ltd. 2\b12Ver.1  1\b/12