Configuring A Contact As An External Alarm Input - ASL INTERCOM VAR4 Operation Manual

14.3

Configuring a Contact as an External Alarm Input

Any contact may be configured as an external fault input. An 18 character alphanumerical description is
assignable to a particular contact when configured as a fault input.
An active input to the port indicates a 'no fault' condition. An inactive input or open circuit on the port will
cause a fault to be reported and logged. The specific fault that is raised will be identified by the
alphanumerical description.
This is to enable external equipment, which provides normally closed relay contacts, to indicate healthy
status, to be integrated into the VAR Router fault annunciation and logging system. A typical example in a
VA system is the battery charger.
In order to configure a contact as an external fault input proceed as follows.
1. Select Configuration System Router Control Contacts.
2. Move to, and scroll the contact list until the required contact is displayed in the left field:
[Contact#nn] Not-Conf
Default value:
Contact numbers: 01 to 22 for VAR4
Where contacts:
3. For contacts 01 to 10 only, move to, and toggle to the required monitoring option:
Contact#01 Routing [Not-Surv]
•
Not-Surv
Disables the analogue contact monitoring.
•
Surv
Enables the analogue contact monitoring. A fault will be raised when open or short circuit cable
condition is detected.
4. Move to, and scroll the operation options until the 'External Fault' option is displayed:
Contact#01 [External Fault] Not-Surv
Other options available:
•
Not-Conf
The contact is not connected.
See Section "14.1 Configuring a Contact as
•
Routing
The contact is used to trigger a latent route.
See Section "14.2 Configuring a Contact for
•
Rem Fault Accept
The contact is used as the 'Accept' for a remote fault panel acting as a local fault accept button
affecting only the remote indication.
See Section "14.4 Configuring a Contact as Remote Fault
VAR4 / VAR12 / VAR20 - Operation Manual
Not-Surv
'Contact#01'
01 to 42 for VAR12
01 to 62 for VAR20
00 to 10 are analogue
11 to 62 are opto-isolated
Is sue: 03 complete, approved
Unused".
Routing".
Accept".
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