Alarm And Relay Connections; Connecting An Alarm With Dry Contact; Relay Connection - Videotec MAXIMUS MVXT Manuel D'instructions

4.4.2 Alarm and relay connections

The unit is equipped with the alarms and relays
indicated in the table (Tab. 4, page 9).
4.4.2.1 Connecting an alarm with dry
contact
In case of free contact alarm make the connection as
shown in the figure.
AL COM
Fig. 2 AL: Alarm. COM: Common alarm.
Clean contact of the alarm can be set NO (normally
open) or NC (normally closed).
For further information refer to the relative chapter (
6.1.6.1 Alarms Menu, page 25).
10

4.4.2.2 Relay connection

Due to the absence of polarity, both terminals of the
same relay can be connected either to alternating or
direct current voltages.
Dry contact
For further information refer to the relative chapter (
6.1.6.2 Test function menu, page 26).
Relay operating specifications.
• Working voltage: 30Vac max or 60Vdc
max.
• Current: 1A max.
Use suitable cable sections: from 0.2mm²
(30AWG) up to 1mm² (16AWG).
MNVCMVXTCAM_2121_EN