Document 15666 Rev. D 9/19/96
9
The System 5000 is a module-based system with eight points reserved for each
module position (whether the position is used or not). If a module in a slave Sys-
tem 5000 or System 500 employs only four points instead of eight, the remaining
four points are unusable.
For example, Figure 2-4 illustrates the use of three modules with eight initiating
device circuits, four notification appliance circuits, and four control relays.
CPU
IZM-8
ICM-4
CRE-4
Slave System 5000 (or System 500) Cabinet
Figure 2-4 Point Utilization in Slave Panel
8 points
8 points
4 points
4 points
4 points
4 points
used
used
used
unused
used
unused
Requires 32 addresses (switch size=4)
Networked systems may concentrate large systems by grouping many points to-
gether in a “software zone” and only reporting alarm or trouble for the software
zone. This technique allows very large system point capacity. However, a user at
the master FACP may not be able to determine the exact location of a given event.
Exact location information is available at the remote FACP.
Since the NIB Network reports slave status as module points and not as detectors,
analog information is not available at the master FACP. Analog information is avail-
able only at the slave panels. Maintenance Alert and Auto Test error will still report
to the master as a trouble.
The NIB Networks have full control-by-event capability. An alarm at any point on
any remote FACP may activate any point(s) on any other slave FACP(s). The mas-
ter FACP program contains all instructions to accomplish this. Full Signal Silence
and System Reset capabilities from the master FACP keypad to all slave FACPs
are also provided.
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