Metrohm 756/831 KF Mode D'emploi page 108

4.3 Properties of the RS 232 Interface
Coulometer as Sender:
Coulometer
RxD
TxD
Hardware-Handshake, HWs
Coulometer as Receiver :
Coulometer
Coulometer as Sender:
Coulometer
RTS
CTS
TxD
100
XOFF
L
1st line
F
Data output
disabled
Coulometer transmission can be stopped by external instruments with XOFF. After
XOFF is received the Coulometer completes sending the line already started. If data
output is disabled for more than 6 s by XOFF, E43 appears in the display.
DTR
RxD
The data flow can be interrupted by deactivating the CTS line.
XON
L
2 nd line
F
Data output
enabled
Time
L
F
Time
RTS
CTS
L
F
TxD
Time
756/831 KF Coulometer, Instructions of Use
external device
Data output
Data input
external device
DTR
RxD
external device