Copyright © 2000 Tunstall Group Ltd.
Lifeline 4000 Advanced User Guide (B)
43
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9
Setting the type for the hardwired input
The hardwired input is a physical connection into the Lifeline 4000. The details for making this
connection can be found in chapter 4. Once the connection has been made you can set parameter
58 just as you might set any of the types for an Extension Radio Trigger (as just explained in the
previous section). The only exception is the addition of the
Open/Closed
value.
Open and Closed.
The
Open/Closed
digits determine whether the circuit connected to the
hardwired input is normally closed or normally open. If the circuit is
Normally Open
and the digits
are set to 00, then Lifeline 4000 will only be triggered if the circuit is closed (if the connection to
complete the circuit is made). The advantage of this approach is that if the wires become
disconnected it will not raise a false alarm (unless the bare wires touch).
If the circuit is set to
Normally Closed
, and the digits for this setting are set to 01, then Lifeline
4000 will be triggered if the circuit is broken. This is useful if security is an issue. For example, if
an panic button has been wired into a kitchen and an intruder rips the button away from its
connection this will still trigger the alarm—because the circuit has been broken.
Imagine that we have placed a pressure mat in the hall of a property and connected it to
Lifeline 4000’s hardwired input. As the pressure mat is in the hall it is likely to be triggered when
a resident returns to turn off the intruder alarm, and so we need to make it an entry/exit type. The
entries can be seen in the table above, and in the example below.
Example
Program the hardwired input to act as an entry/exit movement detector placed in the hall
1.
Enter local programming mode by holding down the
key and then holding down the
# key until the unit beeps. Release the # key first, and then the
key.
2.
Enter the parameter—press
5 8
.
3.
Delete the old value using the C key.
4.
Enter 0 8 0 0 6 1 1 6 0 9 , and then press
.
5.
End local programming by pressing the
Cancel
key.
The 08 is the code for a movement entry/exit alarm type, 00 is because the connection is normally
open, the 61 is the TT92 location code for the hall, the 16 is the BS location code for any hall or
landing, and the 09 is the BS priority.
Note.
The actions Lifeline can be made to take with different types of triggers are explained in
page 44, and all of the different trigger types are listed on page 45.
Summary of Contents for Lifeline 4000
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