Metrohm 719 S Titrino - Manuel (Page 101)

3.3 Properties of the RS 232 Interface
719 S Titrino
97
Titrino as Receiver :
Titrino as Sender:
Titrino transmission can be stopped by external instruments with XOFF. After
XOFF is received the Titrino completes sending the line already started. If data
output is disabled for more than 3 s by XOFF, E43 appears in the display.
Hardware-Handshake, HWs
Titrino as Receiver :
Titrino external device
Titrino external device
Data output
Data input
L
F
XOFF
RxD
TxD
Time
L
F
XON
Input Titrino disabled
400 µs String is
processed
XOFF XON
Data output
disabled
Data output
enabled
Time
Data output
Data input
RxD
TxD
Response L
F
1st line L
F
Inquiry L
F
Titrino external device
DTR
RxD
DTR
RxD
L
F
Time