32 MODBUS-GW Installation and Operation Manual — P/N LS10015-000NF-E:C2 4/30/2019
Register Mapping Point Status Holding Registers
The holding register addresses and the points contained in these addresses are detailed in Table 5.2. Each range of holding registers is
used for either detectors or modules.
Table 5.2 Point Status Holding Register Device/Module Addresses
Start Address End Address Address
40001 40200 L1D1–L1D159
40201 40400 L1M1–L1M159
40401 40600 L2D1–L2D159
40601 40800 L2M1–L2M159
40801 41000 L3D1–L3D159
41001 41200 L3M1–L3M159
41201 41400 L4D1–L4D159
41401 41600 L4M1–L4M159
41601 41800 L5D1–L5D159
41801 42000 L5M1–L5M159
42001 42200 L6D1–L6D159
42201 42400 L6M1–L6M159
42401 42600 L7D1–L7D159
42601 42800 L7M1–L7M159
42801 43000 L8D1–L8D159
43001 43200 L8M1–L8M159
43201 43400 L9D1–L9D159
43401 43600 L9M1–L9M159
43601 43800 L10D1–L10D159
43801 44000 L10M1–L10M159
NOTES:
• There are unused registers on every loop in order to make the register addresses easier to remember and
allow for future expansion *(e.g. registers 40159 through 40200 are not used).
•On the AFP-2800, output activation status is not reported to the MODBUS-GW and therefore the bits and
event type will always indicate a non-active state. AFP-2800 activations from the Modbus client are not
supported.
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