
DUOS IoT GATEWAY
Product Manual
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Figure 36 - Reset initial settings on the web interface
3. Follow the presented instructions.
4.9 Modbus connections
The DUOS IoT Gateway has a Modbus layer that allows the customer to connect via the
RS-485 port or the Ethernet interface. The connection parameters to the Modbus server are
as follows:
Modbus RTU
Modbus TCP
Rate: 115200
Parity: None
Data bits: 8
Stop bits: 1
Address: gateway IP address
Port: 1502
Table 11 - Data for connection via Modbus
Once connected, requests for reading and writing can be carried out in the registers. Currently,
the allocation of addresses to registers follows the protocol in the following table.
Description
Address
Transmitter model
(Transmitter device ID - 1) x 21
Probe sensor model
(Transmitter device ID - 1) x 21+1
RSSI
(Transmitter device ID - 1) x 21+2
Communication period
(Transmitter device ID - 1) x 21+3
Elapsed time
(Transmitter device ID - 1) x 21+4
Power supply voltage
(Transmitter device ID - 1) x 21+5
FW version Major|Minor
(Transmitter device ID - 1) x 21+6
Содержание PA160410220
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