Metrohm 768 KF Oven - Manuel (Page 36)

3.3 Characteristics of the RS232 interface
768 KF Oven
33
KF Oven as sender:
Data input
Data output
TxD
RxD
Data output of Oven disabled
1 line LF
XOFF Inquiry LF XON
Data output of
Antwort LF
External device KF Oven
Oven enabled
Time
The transmission of the Oven can be stopped by the external device with XOFF. After
receipt of XOFF, the Oven completes transmission of the line already started. If the data
output is disabled for more than 3 s by XOFF, E43 appears in the display.
3.3.2.3 Hardware handshake, HWs
KF Oven as receiver:
LF
Time
KF Oven External device
RxD
DTR
RxD
DTR
KF Oven as sender:
Time
LF
RTS
CTS
TxD
RTS
CTS
TxD
KF Oven External device
The data flow can be interrupted by deactivation of the CTS line.