Connection
24
the device.
Step 5: Connect the other end of the power wires to the external power supply system
according to the power supply requirements of the device. View the status of the
power LEDs on the front panel. If the LEDs are on, the power is connected properly.
Wiring and Mounting should meet following specifications.
Table 10 Wiring and Mounting Specifications
Terminal Type
Required Torque
Wire Range (AWG)
Terminal Block Plug
4.4-5.0 lb-in
12-24
Caution:
Before connecting the device to power supply, make sure that the power input meets the
power requirement. If connected to an incorrect power input, the device may be damaged.
To comply with UL restrictions, this equipment must be powered from a source compliant with
SELV.
Warning:
Do not touch any exposed conducting wire, terminal, or component with a voltage warning
sign, because it may cause damage to humans.
Do not remove any part or plug in or out any connector when the device is powered on.
4.7 Alarm Terminal Block
The device provides an alarm terminal block on the top panel for alarm output. When the
switch works properly, the normally-open contacts of the alarm relay are closed and the
normally-closed contacts are open; when an alarm occurs, the normally-open contacts are
open and the normally-closed contacts are closed. The alarm is outputted through a 3-pin
5.08mm-spacing plug-in terminal block.