LAWO mc256 MKII, Technical Manual

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mc²56 MKII Technical Manual V5.10.2/1 79
Chapter 2: Installation
System Connections
Global Alarm
The global alarm can be output by both the GLOBAL ALARM BNC and GPI 2 D-Sub connectors.
The global alarm status can also be monitored from the Web Browser Interface .
Global alarm errors are stored on the control system in the alarm.log system logfile .
The global alarm can be disabled by the AdminHD configuration (see Parameters: Core -> System Settings ).
When enabled, the global alarm is triggered when any of the following conditions are satisfied:
Within the Nova73:
·
Malfunction of a Router module.
·
High temperature on a Router module – triggered if the temperature exceeds 45° C.
·
Too high or too low a voltage to a Router module.
·
Malfunction of an I/O module in the Nova73.
·
Malfunction of a PSU.
·
Malfunction of a fan.
·
Active external control input – the global alarm can be triggered by a control input from an external device
(e.g. via GPI).
·
Internal sync (optional) - the global alarm can be triggerd if the system switches to internal sync (see
Parameters: Core -> Data ).
From an I/O Port (e.g. DALLIS or external device):
·
If the port is not supplied with a valid signal.
·
Malfunction of a DALLIS master board.
·
Malfunction of a DALLIS I/O card.
·
Malfunction of a DALLIS PSU.