Connection
22
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
Class 2.
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.
Figure 26 Alarm Terminal Block (socket)
Electrical parameters of the relay:
Max Switch Voltage: 250VAC/220VDC;
Max Switch Current: 2A
Max Switching Power: 60W
Dielectric Strength: 2KV
ICON Industrial Engineering (IIE)