Operating instructions

SD Advanced

Alarm Input

This menu allows conguration of the alarm settings, refer to ‘Installing the Unit’ for hardware

installation guidance.

Number This identies which input is being congured. The unit supports

19 on-board alarms.

Ena Each input must be enabled to function. If the input is not enabled

and an alarm is received, the unit will not acknowledge the alarm.

Module The alarm contacts are connected via modules. Select the module

that the contact to be congured is in.

Contact Select the Contact within the module to congure.

N_O (Normally Open Contact) N_O indicates the non-alarm state of the input. Tick the N_O

checkbox to set the corresponding input to Normally Open. The

alarm will then trigger when the input is closed (shorted). If left as

Normally Closed (the default setting), the alarm will trigger when

the input is opened.

Note: If EOL alarms are to be used, this option should not be selected i.e. leave set as

Normally Closed.

EOL The End Of Line (EOL) option enables the inputs to detect any

changes in the electronic input resistance. A change outside the

expected values will result in a Tamper Alarm (short circuit or open

circuit) being detected and the system switching to alarm mode.