The changes in SEM 6.068 are
- Removed potential problem with firmware upgrade by Bus
- Improved watchdog operation so firmware does not hang due to surge
- Watchdog timer increased to 18 secs
- RS485 Receive buffer size from 127 to 240 bytes
- Fixed Bug Scan for Slaves 4,5 did not work
- Firmware Upgrade erase Flash reduced time to less than 2 seconds

