YZ Systems NJEX ZEO 6400, Инструкция и руководство по эксплуатации

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SECTION 5: SYSTEM CONTROL ELECTRONICS
YZ Systems Milton Roy • 201 Ivyland Road • Ivyland, PA • USA • 18974 • P: 281.362.6500 • www.yzsystems.com
NJEX ZEO Version 04/13/2021 Page 37
In Default (NBS Backup) mode, Section 5 will display either STOPPED or RUNNING.
Use the Right Arrow Key on the Home Screen to start and stop the unit. If the unit is
stopped by a remote inhibit signal, the status will be indicated as STANDBY. Remote
Inhibit standby status will be accompanied by the inhibit icon in the upper left corner of
the controller.
In N-400 Primary Redundancy mode, Section 5 can display four statuses for the primary
system. While the unit is STOPPED it will indicate the primary system is disabled. While
the unit is RUNNING with no failure, it will indicate the primary system is enabled. Use
the Right Arrow Key on the Home Screen to start and stop the unit. If the primary unit
fails and the backup unit is running, the primary unit will display STANDBY. If the backup
system fails following failure of the primary system, both units will run. The primary
system status will show failed while the system status shows RUNNING.
In N-400 Backup Redundancy mode, Section 5 can display four status for the backup
system. While the unit is STOPPED, it will indicate the backup system is disabled. Once
the unit is started, or enabled, the backup system will be held in STANDBY. In order for
the secondary system to be ready for switchover in the instance of failure of the primary
system, the unit must show STANDBY. Use the Left Arrow Key to stop or place the unit
in standby while at the Home Screen. If the primary system fails, the backup system will
indicate RUNNING and the backup system will be enabled. If the backup system fails
following the primary system failure, the backup system will contine to run while indicating
it has failed.