# node-red-contrib-hdlautomation Provides the control of the HDL network though node red
Basic Use
In order to use this module it is suggested that you use the action node, however if you wish you can send commands directly to the device node
Data Format
General
msg.payload.operate (string)
- Defines the task to be operated
- See the supported commands below
msg.payload.mode (string)
- Defines the mode of the task
- "set" - Sets x on the HDL device
- "read" - Reads x from the HDL device
msg.payload.direction (string)
- Defines what direction to send
- "request" - Requests a task to be performed
- "answerBack" - Answers back to a previous request
msg.payload.deviceSubnet (integer)
- Allows the device subject id to be changed dynamically
msg.payload.deviceId (integer)
- Allows the device id to be changed dynamically