Firmware 4.68

Enhancements:

• Time-out option (serSendXXX) when sending RS232 data over a channel supporting HW-handshake.

• Enhanced CAN bus recovery during severe bus problems.

Bug Fixes:

• I/O extension did not set correctly outputs on certain Modbus modules.

• C6xx: Modbus did not work reliably at 9600 bps using RS232 serial port 1.

• C6xx: The DTR signal was not set correctly on RS232 serial port 1.

• Invalid day-of-week in SMTP mail header.