installation & connection
20_
installation & connection
To connect to an external sensor
To use as an Alarm IN: Connect one of the [ALARM I/O] port and the other terminal to the [GND] port.
Alarm In Wiring Diagram(example)
Sensor
External connection
ALARM #1
ALARM #2
GND
Alarm cable
<If ALARM I/O 1 is set as an input terminal>
To connect to an alarm output
If devices (e.g., flashing light and siren) that exceed the voltage and current specifications are connected by
using the open collector method, it may cause damage.
Refer to the alarm out connection diagram below case.
Alarm Out Wiring Diagram(example)
ALARM
POWER
ALARM
RESISTOR
DIODE
RELAY
VCC
GND
TRANSISTOR
External connection
Alarm cable
ALARM #1
ALARM #2
GND
<If ALARM I/O 1 is set as an output terminal>
Connecting to RS-485
By connecting an external device to the [RS-485 +, –] port, the external device can be controlled.
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The GND connection is recommended for RS-485 communications. If you encounter a communication failure, connect the
GND pin as appropriate to correct the GND level between camera and external device.
Содержание TNO-C3010TRA
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