Operating Instructions
151
6.3 External I/O
If you connect external devices such as sensors to the External I/O, and image
buffer/transfer by alarm signal is set, the camera image is transferred by alarm
detection.
Explanation of the External I/O
Note
The External I/O (Input/Output) are independent. Output terminal is controlled
only by External Output Control page on page 139.
Do not push strongly on the External I/O with the pointed object. The External
I/O may get stuck into the unit, and you may not be able to use it.
Pin Features
G GND pin
1 Externa l Sensor Input 1
Use it by opening or GND short-circuit.
G GND pin
2 Externa l Sensor Input 2
Use it by opening or GND short-circuit.
3 External Device Con trol Output
You can control this on the External Output page (see page
139).
It is an open collector circuit, and the maximum drawing-in
current is the same as pin 4. Do not exceed the voltage of DC
power output terminal (pin 4).
4 DC Power Output Terminal
10.5—13 V DC
A maximum of 100 mA load drive is possible.

External I/O Buttons

External I/O