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The Gateway needs a dedicated IP address on the same VLAN as the Modbus automate. It can be set up as DHCP or static IP.
The default configuration is static IP:
address:
192.168.1.100netmask:
255.255.255.0gateway:
192.168.1.1
The Gateway should be synchronized to a NTP server in order to have valid timestamps of the Lora payload.
The default NTP servers configured are 0.pool.ntp.org and 1.pool.ntp.org, however this won't be valid if the Gateway doesn't have internet access.
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µWiotys supports write single register (function code 6) only for several register (see Modbus table ) Warning, writing
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Writing register will trigger LoRaWAN downlink |
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. Please kindly wait ~10s between each command in order to avoid radio collision. |
Big-Endian Modbus Representation & 0 - Based Registery
Common table
All slaves share a common table with these informations:
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To read float, see an exemple at FAQ.
Format of Data sent
Swap Mode | Source 4-Byte | Target Bytes |
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N/A | [ a b c d ] | [ a b ][ c d ] | => Wi6labs format | |||||||
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BACnet
µWiotys supports BACnet protocol (from version 3.4.0).
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There are no specific operation to do to add a new sensor for BACnet. You can use the Online support interface (https://app.uwiotys.com/index.php/device/list ) to create your infrastructure.
Only Analog input (AI) and Analog values (AV) are currently supported.
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