Πως Βλέπουμε τον Master Code με CommView σε περίπτωση απώλειας

Firstly, please refer 721H/727H Protocol Document about 12H Read EEROM /20H Write EEROM/ Memory Layout . Learn Protocol Format and Know Master code storage location in EEROM that is stored at start location 00 0E with 4 bytes length, then open “CommView” to read/write master code

Read Current Master Code:

Step1: Select Com Port

Step2: Input Node ID

Step3:

Format (refer protocol 12H Read EEROM format)

Example:

12: Command Read EEROM format

000E: start memory location for master code

04: need send 4 bytes length

Step4: Send command

The result Echo that current master code is 123456

Write New Master Code:

Step1: Select Com Port

Step2: Input Node ID

Step3:

Format (refer protocol 20H Write EEROM format)

Example:

20: Command 20H Write EEROM

000E: start memory location for master code

04: need send 4 bytes length

00 01 E2 40 (write 123456 to EEROM)

Step4: Send comman