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3-3.8
Network Groups
Autonomous sub-networks or groups can be created within a network of ARIES Control
Units. These groups can be programmed to selectively interact as separate entities for
event reporting, event output control, acknowledgment of events, alarm silencing, and
system resets. There are 32 possible groupings, numbered 0 to 31. By default, all control
units in the network have no pre-assigned group number.
Note: A network is configured for global operations when no groups are defined.
3-3.8.1
3-3.8.2
P/N 06-236530-001
CONTROL UNITS WITH A NON-ZERO GROUP NUMBER
A group of networked control units will operate as described below when they are
assigned a non-zero group number. Each control unit in a group will be able to:
•
Display and log all events that take place in any control unit in the group
•
Issue an event-acknowledgment command to all control units in the group
for any event that occurs in the group
•
Send alarm-silence commands to all control units in the group to de-
energize any silenceable outputs that have been activated within the group
•
Send reset commands to all control units in the group once all activated
initiating devices have transmitted an "alarm-off" message(s) to the
affected control unit(s)
•
Transmit output-activation commands to any or all other control units in the
group for activation of remotely-controlled outputs
NETWORK GROUP 0
One control unit in the network can be assigned to Network Group 0. This control
unit serves as the master control unit for the network, and is capable of the
following interactions with all sub-groups in a selectively-signaling network:
•
Displaying and logging all network events from all network groups
•
Issuing acknowledge, silence, and reset commands to all control units in all
network groups
•
Activating its outputs upon any initiating event from all control units in all
network groups
Figure 3-59 shows the possible interactions among the various members of a
selectively-signaling networked system with groupings and with one control unit
designated as the master control unit.
3-127
August 2013
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