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MODBUS-GW Installation and Operation Manual —
P/N LS10015-000NF-E:C2 4/30/2019
Table of Contents
4.3: Modbus Addressing ............................................................................................................................................................................................29
4.4: Analog Values and Trending ..............................................................................................................................................................................30
Table 5.1 Point Status Holding Register Bit Definitions...........................................................................................................................31
Table 5.2 Point Status Holding Register Device/Module Addresses ........................................................................................................32
Table 5.5 Zones/Panel Circuits Holding Register Bit Definitions.............................................................................................................34
Table 5.6 Zones..........................................................................................................................................................................................34
Table 5.7 Panel Circuits.............................................................................................................................................................................35
Table 5.8 Supported Circuits by Panel ......................................................................................................................................................35
Table 5.17 Gateway Information Input Register Addresses......................................................................................................................39
Table 5.18 Node Status Example............................................................................................................................................................... 39
Table 5.19 43/14 (0x2B/0x0E) Read Device Identification ......................................................................................................................40
6.1: What are some basic guidelines I should use when installing a MODBUS-GW? .............................................................................................41
6.2: How fast can the Modbus client poll the gateway? ............................................................................................................................................41
6.3: How can I tell if the gateway is running? ...........................................................................................................................................................41
6.4: How do I recover a lost password from the gateway?........................................................................................................................................41
6.5: What is an “initialization read” for analog values? ............................................................................................................................................41
6.6: How many analog values can I read at a time? ..................................................................................................................................................41
6.7: Why do I get an exception code when trying to read an analog value? .............................................................................................................41
6.8: Why do I get all zeros when I read an analog value? .........................................................................................................................................41
6.9: What is the “Analog Value Polling Time Out”? ................................................................................................................................................42
6.10: System Trouble .................................................................................................................................................................................................42