Metrohm 796 Titroprocessor - Manual (Page 295)

13. Appendix
796 Titroprocessor, Instructions for use 289 289
Input
t
p
t
p
>20 ms
Output
t
p
t
p
>200 ms
V
CEO
= 40 V
I
C
= 20 mA
Printer Type Thermal printer
(option) Paper 6.2237.040 Continuous thermal paper A4,
perforated
Resolution 84 dpi in alphanumeric mode
160 dpi in graphics mode
Connections •• Bar-code reader connection for data entry
Connector D-subminiature 9-pin (RS232C style)
Transmission settings Baud rate 9600
Data bit 8
Stop bit 1
Handshake RTS/CTS
String terminator CR/LF
Input buffer 40 characters
Character set 7-Bit ASCII
Pin assignment Pin 1 empty Pin 6 empty
Pin 2 TxD (output) Pin 7 RTS (output)
Pin 3 RxD (input) Pin 8 CTS (input)
Pin 4 empty Pin 9 +5 V
Pin 5 GND (0 V)
Wiring 796 socket Bar-code reader
TxD à RxD
RxD ß TxD
RTS à CTS
CTS ß RTS
GND — GND
+5 V à +5 V
•• Connections for four 700 Dosinos or 685 Dosimats
Connector D-subminiature 9-pin
•• 1 or 2 stirrer connections for 728 Magnetic Stirrer
Output voltage 10.8…13.2 V
Current 250 mA
Short-circuit-proof and switchable
•• Metrohm external bus connection for
•• Two 717 Sample Changers
•• Two Dosimat interfaces each for four 700 Dosinos or 685 Dosimats
•• Printer connector (option), parallel port for standard printer
Connector D-subminiature 25-pin
active = low
inactive = high
active = low
inactive = high
+5V