Delta Hmi Data Logging Online

To set up a data logger, follow these general steps in the DOPSoft programming environment :

| Register | Function | |----------|----------| | $H90 | 0=Stop, 1=Start logging (History Data Log 0) | | $H91 | 0=Stop, 1=Start logging (History Data Log 1) | | $H100 | Force save current buffer to file | delta hmi data logging

Logs are saved as .csv files to:

Data in the buffer is lost if power fails before writing to SD. Use an HMI model with a or connect the HMI to a small UPS. Alternatively, trigger a "Data Flush" macro on a power-down event (using a PLC power-fail bit). To set up a data logger, follow these

Captures data only when a specific condition is met, such as when a PLC bit is turned ON. Storage and Retrieval Captures data only when a specific condition is

Would you like an example project file or a macro for automatic file naming based on shift/operator ID?

Logged information is typically displayed on the HMI screen using a Historical Data Table for tabular views or a Trend Graph to see curves over time. Storage Options