CGW-MB Installation and Users’ Manual | P/N:LS10248-000HW-E | REV.G | JUL/31/2022 62
Register Mapping Modbus Communications
The holding register addresses and the zones contained in these addresses are detailed
in this table.
The holding register addresses and the panel circuits contained in these addresses are
detailed in Table 7.20, “Panel Circuits”.
The maximum panel circuit points by fire panel is described in Table 7.21, “Supported
Circuits by Panel”.
Table 7.21: Supported Circuits by Panel
7.21.4 Gamewell-FCI: CAM Text EventHolding Registers
Each of the point status holding registers is divided into an upper and lower byte as
described below.
• Upper Byte: The upper byte contains general status information about the point.
• Lower Byte: The lower byte is primarily used when bit 11 in the upper byte is a ‘1’ (or
active). When bit 11 is a ‘1’, See “CGW-MB Active Event Code” on page 73. for detailed
information about the active point. The lower byte will be all 0’s if the point is not in an
active state.
Specifically, the lower byte contains the actual active event for this point. An active state
is defined in this CLSS Gateway mainboard as any Fire, Security, Critical Process,
Medical, Mass Notification, or Supervisory alarm state.
Table 7.19: Zones
Zone Type Register Address Zone Address
General Zones 408001–410000 Z 1,2,3,4,5,6,7,8,...2000
Logic Zones 410001–412000 Z 1,2,3,4,5,6,7,8,...2000
Trouble Zones 412001–412100 Z 1,2,3,4,5,6,7,8,...100
Releasing Zones 412101–412200 Z 1,2,3,4,5,6,7,8,...100
Table 7.20: Panel Circuits
Register Address Panel Circuits
414001–414008 P1.1–P1.8
414009–414016 P2.1–P2.8
414017–414024 P3.1–P3.8
414025–414032 P4.1–P4.8
414033–414040 P5.1–P5.8
414041–414048 P6.1–P6.8
414049–414056 P7.1–P7.8
414057–414064 P8.1–P8.8
414065–414072 P9.1–P9.8
414073–414080 P10.1–P10.8
414081–414088 P11.1–P11.8
414089–414096 P12.1– P12.8
Panel Max. Panel Circuits Points
NFS-320 Not Supported
NFS-640 8
NFS2-640 Not Supported
NFS-3030 12
NFS2-3030 Not Supported
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