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Manual
Unit
7
INDICATORS AND OPERATION
7.1
INDICATORS
ALARM A: Fire alarm on sensor cable port K1.
ALARM B: Fire alarm on sensor cable port K2.
FAULT: Unit or sensor cable
POWER
MEASUREMENT: Temperature retrieval from sensor cable.
DATA TRANSFER: Data transfer on the serial interface.
RESET: Resets the unit after alarm or fault.
7.2
OPERATION
7.2.1 COMMISSIONING
The SCU 800 can automatically recognise all connected sensors and register these for monitoring
(= auto-configured operation:
Note
: All settings conform to a system response behaviour according to
EN 54-5, class A1.
The unit is commissioned with the buttons TA1 and TA2,using the following procedure:
1.
7.2.2 AUTO-SEEK: Automatic recognition of all active sensors.
2.
7.2.3 TEST: Compare expected and recognised number of sensors.
3.
7.2.4 SAVING THE CONFIGURATION
Important:
The final configuration must be saved to prevent configuration loss
and resultant faults.
4. It is recommended, that the first and last sensor on each physical cable branch be tested, so that
correct signalling to superordinate equipment is ensured.
Page 38/44
LISTEC GmbH
60T023-04 / 30.04.2014