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For a specific type of device (device code), individual objects are identified by a number (device number). When using 3E and 4E frames, a 3-byte number is specified, when using a 1E frame, a 4-byte number is specified. Numbering starts from 0, the maximum number for a specific device type depends on the specific PLC.
Note: if the number starts with a hash sign (#), it is understood as hexadecimal, e.g. #A3 is 163 in decimal.
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Optional parameter - access to a specific bit. For device types (device code) that have word data, a specific bit (0-15) can be specified.
Note: writing is not yet implemented for the I/O tag with a specified bit, only reading.
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