Question
Connectivity extensions for OPC and MODBUS
In the below article it has been mentioned that
http://www.thingworx.com/2013/03/thingworx-version-4-0-platform-release/
" New connectivity extensions provide integration to M2M and industrial protocols such as MQTT, OData, OPC, Modbus, Zigbee/ZWave, and others "
We are looking for communication between ThingWorx and OPC, Modbus protocols.
Could you please help us for path for the extensions to download and any documentation provided for communicating with OPC and Modbus protocol.

