PRAESENSA Notices | en 13
Bosch Security Systems B.V.
Release notes
2023-05 | V1.81 |
4.10 Network snapshot
A new network snapshot is required after a device is added, removed or replaced.
A system with redundant cabling and network supervision enabled requires a new network
snapshot after a device is added, removed or replaced.
As long as a new network snapshot is not taken, a fault in the new device will not be reported.
4.11 Multi-VLAN
In systems with VLANs in combination with the OMN-ARNIE and the OMN-ARNIS, the lifeline
between an amplifier and an PRA-MPS3 only works if both devices are part of the same
subsystem.
4.12 Multiple redundant system controllers
Each standby system controller can take up to five minutes to synchronize with the duty
controller. The synchronization is sequential, one standby system controller after the other.
When the recorded message storage of the duty system is at full capacity, the maximum time
per standby system controller is five minutes.
Do not disturb the network during the period of synchronization. Make sure the duty
controller remains operational until all standby controllers have finished synchronizing. If local
conditions allow, check the Link LEDs of all standby controllers:
– Yellow: the standby controller is not yet synchronized.
– Blue: the synchronization is over and the controller is ready.
4.13 Static IP in fail-safe mode
When a system controller or a power amplifier switches to fail-safe mode, its static IP-address
is set to a DHCP or a link-local address.
If necessary, use the PRAESENSA Network Configurator to check the network mode and return
it to a static IP.
4.14 ARNI V8.41
In a life safety system, version 1.61 of PRAESENSA cannot be used in combination with an
8.41 or early versions of the OMN-ARNIE/OMN-ARNIS devices.
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