KERN & SOHN KFS-TM - Manual (Page 44)

9 RS 232C interface
You can print weighing data automatically via the RS 232C interface or manually by
pressing via the interface according to the setting in the menu.
This data exchange is asynchronous using ASCII - Code.
The following conditions must be met to provide successful communication between
the weighing system and the printer.
• Use a suitable cable to connect the display unit to the interface of the printer.
Faultless operation requires an adequate KERN interface cable.
• Communication parameters (baud rate, bits and parity) of display unit and
printer must match.
9.1 Technical data
Pin No. Signal Input/output Functions
１ EXT.TARE Input External tare
※2
➁
２ RXD Input Receiving data
３ TXD Output Transmission data
４ DTR Output HIGH level with power “on”
５ GND
―
Signal ground
６ ― ― ―
７ ― ― ―
８ ― ― ―
９ GND
―
Signal ground
１ ２ ３ ４ ５
６ ７ ８ ９
9 pin d-subminiature bushing
44 KFS-TM-BA_IA-e-1410