Chapter 11  Convenient Functions 
11-97 
11.7  Data Logger 
11.7.1  About Data Logger 
Data logger is used for the long-term recording of variable symbols, values, states in devices, and drawing 
curve charts. The data is stored in the PLC and the memory card of the PLC for analysis of value trends. Refer 
to Section 23.3 in ISPSoft User Manual for more details.   
 
Operation A 
  Compile the current project before using the function. Click Wizard> Data Logger to open the Data 
Logger window as shown below.   
 
 
  Click the button    of Symbol Name to open the Add Sample Source window. 
 
 
  Click the button 
  of Symbol Name in the Add Sample Source window and select the variable symbol 
name to be added in the Choose Symbol window or directly type a device name in the Device Name 
box.