Data Communication Test Software. Simply the easiest way to test and debug modbus systems. For system maintenance and device manufacturers. Features: No installation program. Just download, unzip and run; Functions as a Modbus RTU or ASCII Master; All information is entered and displayed in one window; Displays the traffic on the serial port; Change data types and byte ordering with a click to determine the format of the reply string without repolling; Supports Multiple data types in the same message; Supports Modbus and Enron Modbus; Can include RTS delay; Supports 2 byte slave IDs; A notes column allows labeling the results; Saves and restores settings; Writes single and multiple values; Save the communication log to a text file; Ideal for new users and handy for the experienced user. Demo is fully functional and requires a program restart after 4 messages. Version 6.3.4 may include unspecified updates, enhancements, or bug fixes.