The interface supports baud rates from 300 to 115200 Baud.The signals RXD and TXD are available, but without handshake signals.You can use either RS232 or RS485 (Changeover via software). The serial interfaces use the same connection terminals.Serial interfaces are electrically isolated.Siemens offers finished applications for the following systems: − − − − − − Modbus M-bus SED2 Grundfos Danfoss WILO (Engineering guide CM110571) (Engineering guide CM110572) (Engineering guide CM110573) (V4.1 and later, Engineering guide CM110574) (V4.ĭesign and technology Overview Key G G Terminal RS232 RS485 1 TX + 2 RX – 3 GND (Potential equalization) 7 8 7 8 4 5 6 x10 x1 Address RS232 RS485 RUN COM C B F Plug-in screw terminal for RS232 and RS485 (Changeover via software) 3 3 E A 0 1 9 2 2 D A TX RX GND _ + 0 1 9 5 6 3 4 1 2 8185Z01_01 F B LED "RUN" Power OK C LED “COM” Communication (RS) D USB connection for TX Open Tool E Rotary switches to set module address F Bus connector G Attachment slider for standa The required applications are loaded onto the module via the USB interface. P01 s TX-I/O™ Desigo™ Open TX Open RS232/485 module TXI1.įunction The TX Open RS232/485 module integrates third-party systems via RS232 or RS485 interface to the Desigo building automation and control system.
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