SmartAlarm Instruction Manual Rev 2
Page 36 of 115
Group Inhibit Function
As an option any of the remote pushbutton inputs, PB1 to PB5, can be
software configured to change their use to a group inhibit function.
Any alarm can be assigned to a inhibit group and an external switch can be
used to inhibit the alarms in the group during prolonged maintenance periods
to prevent nuisance alarms.
a
b
a
b
a
b
a
b
PB1
PB2
PB3
PB4
PB5
HNA
HNB
GPA
GPB
X1
+VB
GROUP INHIBIT
The above example shows the PB1input being used with a remote group
inhibit switch. PB1 must be software configured to “Inhibit” for the function to
work and individual channels must be software configured to the inhibit group.
CAUTION
The common return for the external pushbuttons is teVB and
this terminal will provide the same voltage level as the internally
generated signal contact supply.
On standard s24VDC is used, however 125VDC may be
present if HV signal inputs were specified at the time of order.