Metrohm 768 KF Manual Del Usuario página 35

3.3 Characteristics of the RS232 interface3.3 Characteristics of the RS232 interface
KF Oven as sender:
KF Oven
RxD
TxD
3.3.2.2 Software Handshake, SWline
Handshake inputs at the KF Oven (CTS, DSR, DCD) are not checked.
Handshake outputs (DTR, RTS) are set by the Oven.
The Oven is equipped with an input buffer that can accommodate a string of up to 80
characters + C R L F . As soon as an L F is recognized, the Oven sends XOFF. After this, it
can receive maximum 6 extra characters and store them. The string sent previously is now
processed by the Oven. Afterwards, the Oven sends XON and is again ready to receive.
KF Oven as receiver:
KF Oven
RxD
TxD
32
XOFF XON
max. 4 Data output disabled
characters
Input KF Oven disabled
LF
XOFF
400 us
String is
processed
LF
Data output enabled
Time
LF
XON
Time
External device
Data output
Data input
External device
Data output
Data input
768 KF Oven