Code: 0xE2
Description: The module is being prepared for a firmware update.
Parameters (master -> slave): Flash password
Response (slave -> master): After successful check of the password: ,,OK'' (0x4F4B).
Example:
| D-Len | Cmd | Param | ||
| M->S | 0x?? | 0xE2 | <password> | |
| S->M | 0x03 | 0xE2 | 0x4F 0x4B |
Note: After entry of the correct password, it takes about 30 seconds until the module is automatically set to flash mode (green and red LEDs continuously on). In a RS232 bus system with several connected modules, all other modules bar one must be deactivated (,,CMD DISCONNECT''). Ex firmware V1.20 updating is possible on all available bus systems.