Difference between revisions of "Template:Networking rutos manual modbus modbus tcp get parameters table"
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| + | ===Get Parameters=== | ||
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| + | Modbus parameters are held within <b>registers</b>. Each register contains 2 bytes of information. For simplification, the number of registers for storing numbers is 2 (4 bytes), while the number of registers for storing text information is 16 (32 bytes). The register numbers and corresponding system values are described in the table below: | ||
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Revision as of 14:27, 15 July 2020
Get Parameters
Modbus parameters are held within registers. Each register contains 2 bytes of information. For simplification, the number of registers for storing numbers is 2 (4 bytes), while the number of registers for storing text information is 16 (32 bytes). The register numbers and corresponding system values are described in the table below:
| required value | register address | register number | number of registers | representation |
|---|---|---|---|---|
| System uptime | 1 | 2 | 2 | 32 bit unsigned integer |
| System hostname | 7 | 8 | 16 | Text |
| Router serial number | 39 | 40 | 16 | Text |
| LAN MAC address | 55 | 56 | 16 | Text |
| Router name | 71 | 72 | 16 | Text |
| Current WAN IP address | 139 | 140 | 2 | 32 bit unsigned integer |
| Digital non-isolated input (4 PIN connector) | 324 | 325 | 1 | 32 bit unsigned integer |
| Digital open collector output (4 PIN connector) | 325 | 326 | 1 | 32 bit unsigned integer |
| PIN 3 direction | 326 | 327 | 1 | 16 bit unsigned integer |
| PIN 4 direction | 327 | 328 | 1 | 16 bit unsigned integer |
