NEC NP-PH3501QL - Page 131

105
7. Appendix
Inside Projector
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: 5 mA
Absolute Maximum Rating: 23 mA
Resist = 360 Ω
Photo-coupler
Forward direction voltage: 1.1 V (@5 mA)
GP I/O Connector
Pin No.: 5 6 7 8
Pin No.: 24 25 26 27
Ext_GPIN_P
Ext_GPIN_N
Using GPIO Control
Momentary“ON”pulseenablesyoutocontrolprojector.Toenable“ON”pulse,holditforatleast300ms.Hold“OFF”
foratleast300msbefore“ON”.
HereisfunctionlisttocontrolprojectorbyusingGPIOport.
Photo-coupler ON/OFF Function
8-27 7-26 6-25 5-24 The following functions apply depending on the combination of input
terminals.
OFF OFF OFF ON
PowerON
OFF OFF ON OFF PowerOFF
OFF OFF ON ON ShutterCLOSE
OFF ON OFF OFF ShutterOPEN
OFF ON OFF ON Select HDMI1
OFF ON ON OFF Select DisplayPort1
OFF ON ON ON Select SDI1
ON OFF OFF OFF Select SDI2
ON OFF OFF ON Select SDI3
ON OFF ON OFF Select SDI4
ON OFF ON ON Select HDBaseT
ON ON OFF OFF
SelectSLOT
ON ON OFF ON Select HDMI2
ON ON ON OFF Select DisplayPort2
ON ON ON ON reserved
ExampleforsettingtheshuttertoCLOSE:InputONto6-25and5-24while8-27and7-26areOFF.
NOTE:
• TheoperationcommandcomingfromGPI/Oportwillbecanceledwhentheprojectorisprocessingothertasks.
• Setallotherpinsthanthoseinuseto“OFF”.
• Theoperationcommandisexecuteduponcontinuousinputofthe“ON”pulseforapproximately300ms.