Data Monitor Dialog Box

Starting Address

Displays the data received for the selected item in the format selected in the Format setting.

Quality

Displays the quality of the data in the selected item.

If the data quality is bad, the links in your operator displays show question marks by default. To save the last good value, enable the Latch data option. For more information about data quality, refer to Understanding Data Quality.

Format

Specifies the format or data type to use when displaying an item’s data. Possible formats include:

Format/Data Type	Displays
Byte	Unsigned 8-bit values
Char	Signed 8-bit values
Hex	8-bit hexadecimal values
Short	Signed 16-bit integers
Word	Unsigned 16-bit integers
Float	32-bit floating-point values (IEEE)
Long	Signed 32-bit integers
DWord	Unsigned 32-bit integers
Octal	Octal (unsigned integer) data
ASCII	ASCII text
Digital	Binary values
DblFloat	64-bit floating point values (IEEE)

Last Time Read

Displays the last time and date the I/O driver successfully read data from the process hardware for the selected item.

Last Time Written

Displays the last time and date the driver successfully wrote data to the process hardware for the selected item.

Time of Last Error

Displays the last date and time the driver failed to access the selected item in the process hardware.

Refresh

Click to refresh the data display with updated data from the driver.