Rugged Cams Vertex & Vertex RTH - Manual (Page 16)

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(1) Sensor Connection
① Connect to the input port of the terminal block.
② Each input terminal may be connected regardless of the channel number.
Sensor types include Normal Close (NC) and Normal Open (NO). For more
information on setup by sensor type, refer to {Data Setup} {Event Setup}
{Sensor}.
Normal Close (NC): Normally closed; opens when a signal is received
Normal Open (NO): Normally open; closes when a signal is received
(2) Relay Connection
③ Outputs alarm signals to external devices such as LED and siren by relaying them to
these external devices
④ Connect the external alarm device to the COM or Out port of the sensor/relay terminal
block.
Relay types include Normal Close (NC) and Normal Open (NO). For more
information on setup by sensor type, refer to {Data Setup} {Event Setup}
{Sensor}.
Normal Close (NC): Normally closed; opens when a signal is received
Normal Open (NO): Normally open; closes when a signal is received