MQTT Modbus Gateway - Thingsboard RPC Timeout

[DIssia]

Ok, I’ve been able to connect correctly with MQTT, but obviously I obtain Failed Request.

I’ve followed this Topics:

Help with JSON Format for MQTT Modbus Gateway on RUT956 (ThingsBoard Integration)

Hello, Hardware: RUT956 Firmware version: RUT9M_R_00.07.14.3 I’m trying to integrate a Teltonika RUT956 with ThingsBoard using Modbus TCP and MQTT for bidirectional communication. What I’ve tried: I found the following JSON example in the community, now i’ m intended to switch a relay (integrated in router) ON/OFF via MQTT (tested with MQTT Explorer): { "cookie": 65432, "type": 0, "host": "192.168.1.1", "port": 502, "timeout": 5, "server_id": 1, "function": 6, "register_num…

MQTT Modbus to Thingsboard

Hello, I’ve checked this with our development team, and I’d like to share some insights. Currently, the Modbus MQTT Gateway service supports only two predefined data formats, and unfortunately, it isn’t natively adjustable through the WebUI in the way you described for customizing RX messages. However, there’s a workaround solution developed by our programmer available by implementing a custom Lua service acting as a bridge between ThingsBoard and the device’s Modbus MQTT gateway. This Lua scr…

But unfortunately I can’t install lua packages and I can’t make the workaround.

There is a solution or lua packages compatible with RUT300?