NEC PH3501QL Installationsanleitung Seite 131

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
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
8-27 7-26
OFF OFF
OFF OFF
OFF OFF
OFF ON
OFF ON
OFF ON
OFF ON
ON OFF
ON OFF
ON OFF
ON OFF
ON ON
ON ON
ON ON
ON ON
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.
Ext_GPIN_P
Pin No.: 5 6 7
Ext_GPIN_N
Pin No.: 24 25 26 27
6-25 5-24 The following functions apply depending on the combination of input
terminals.
OFF ON Power ON
ON OFF Power OFF
ON ON Shutter CLOSE
OFF OFF Shutter OPEN
OFF ON Select HDMI1
ON OFF Select DisplayPort1
ON ON Select SDI1
OFF OFF Select SDI2
OFF ON Select SDI3
ON OFF Select SDI4
ON ON Select HDBaseT
OFF OFF Select SLOT
OFF ON Select HDMI2
ON OFF Select DisplayPort2
ON ON reserved
GP I/O Connector Inside Projector
Resist = 360 Ω
8
105
Photo-coupler
Forward direction voltage: 1.1 V (@5 mA)
Function
7. Appendix