129
Appendix
Circuit diagram
Shorting wire 1
Shorting wire 2
Interlock connector
Inside projector
390Ω/0.5W resistor
390Ω/0.5W resistor
GND
4
3
2
1
1A fuse
VCC +5V
Photocoupler
Connector no.
Photocoupler ON/OFF
Description
—
+5V supply
ON/OFF
Connects to the photocoupler anode inside the projector
Connects to the photocoupler cathode inside the projector
—
Ground
• When the length of the wiring is less than 5 m (approximate)
Remove shorting wire 1 or shorting wire 2 and connect the external contacts (switch) to the projector interlock terminal ( and
or and ) by cable.
- The projector operates normally when the contacts are closed and the system shuts off when the contacts are open.
- A power supply external from the projector is not necessary.
- A maximum of 2 sets of external contacts can be connected. If you are only using a single set of external contacts,
connecting the shorting wire to the interlock terminal you are not using.
- The minimum rating required of the external contacts is 2mA.
• When the length of the wiring is at least 5 m (approximate)
Remove shorting wire 1 and shorting wire 2 and connect the external device to the projector interlock terminals ( and ) (do
not use and ).
- Connect terminal to the positive side of the external device and connect terminal to the negative side.
- The projector operates normally when a voltage in the range of DC5 to 16V is applied between terminals and , and
the system shuts off when the voltage is 0V.
- The minimum rated current required of the external device varies depending on the voltage applied between the terminals
by the external device.
- When feeding the cable out from the projector, feed it so that it passes through the hole on the side face of the projector.
Pull the cable through here.
Содержание NC2041L
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