Configuration Commands

1. io.readfile (file)

   • Reads the entire file at once.

   • Returns the file contents as a string on success or nil on error.

2. io.writefile (file, data)

   • Writes the given data to a file.

   • Data can be either a value convertible to a string or a table of such values.

   • When data is a table, each table item is terminated by a new line character.

   • Returns a Boolean indicating the write result (whether the file can be opened for writing) or nil if the file cannot be accessed.

USB flash drive:

• Supports FAT, FAT32, and NTFS file systems.

Send and receive SMS messages via USB GSM adapter:

• Use USB data modem.

• Plug the modem into the USB port of the controller; it will start operating immediately.

• Specific functions should be added to the user script library, including PIN code settings and a telephone number whitelist for sending and receiving SMS messages.

Command syntax for SMS:

• To change an object value using SMS or read an object value via SMS request, follow the format below:

  • Write to bus:

    • SMS command format: 

      W ALIAS VALUE

  • Read from bus:

    • SMS command format: 

      R ALIAS

    • On read request, the script will reply with an SMS message containing the current value of the selected object.

ALIAS can be:

• Group address (e.g., 1/1/1)

• Name (e.g., Obj1). If the name contains spaces, escape it using double quotes (e.g., Room temperature).

Object data type and name:

• Set in the Configurator → Objects tab.

• Without proper configuration, the script will not be able to read from or write to the object.