MODBUS-GW Installation and Operation Manual — P/N LS10015-000NF-E:C2 4/30/2019 39
Gateway Information Input Registers Register Mapping
5.10 Gateway Information Input Registers
The MODBUS-GW records some status and configuration information for debugging and technical support purposes. This information
is stored in some reserved gateway registers as outlined below and in Table 5.17.
• Gateway Modbus Address
• Gateway IP Address
• Gateway Version Number
• Gateway Status
5.10.1 Node Status Details
Each nodes status is represented by a bit in a register. If the bit is set, the node is on line. Table 5.18 provides an example of how this is
represented in a register.
NOTE: Information/debug values are used by the MODBUS-GW Unit ID only. All other nodes reject reads in this address range.
Table 5.17 Gateway Information Input Register Addresses
Start Address End Address Description
35100 35500 Information/Debug information
35100 35115 Node Status:
• 1 = On Line
• 0 = Off Line
The MODBUS-GW tracks the node status of all
nodes on the NFN network.
35116 35116 Gateway major version number
35117 35117 Gateway minor version number
35118 35118 Gateway build
35119 35119 Gateway Status:
• 1 = On Line
• 0 = Off Line
Table 5.18 Node Status Example
Bit Number
Address 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
35100N16N15N14N13N12N11N10N9N8N7N6N5N4N3N2N1
35101 N32 N31 N30 N29 N28 N27 N26 N25 N24 N23 N22 N21 N20 N19 N18 N17
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