Manual for Alarm WE 981
LS Control A/S
Page 4 / 5
Manual: 950-205795_Alarm_WE_981_UK
rev.1.2
Connection examples
Simple alarm lamp
As soon as 24VAC is connected, the visual and audible alarms will be active. It is possible to
deactivate the audible alarm by activating the sound mute button. To reactivate the audible alarm,
disconnect and reconnect 24VAC.
Connection to PLC
In this situation the visual and audible signals are controlled by the PLC. It is not possible to mute
the sound internally, but the PLC will receive a signal when the sound mute button is pressed.
No internal reset of sound.
Jumper in position
OFF
.
2 short circuits
between terminals
1, 2 and 3
Internal reset of sound.
Jumper in position
ON
.