RS232 Pin Assignment
The AccuPyc is a standard DTE device. The RS232 port can be used to connect an analytical balance for transfer of sample weight, or for transmitting data to a computer. The receiving device must be configured to interface with the RS232 pin assignments. Any signals that are not listed in the RS232 Pin Assignment table are ignored.
Pins | Signal | Description | Data Direction |
---|---|---|---|
2 | RXD | Receive Data | Into AccuPyc |
3 | TXD | Transmit Data | From AccuPyc |
4 | DTR | Data Terminal Ready | From AccuPyc |
5 | GND | Ground | N/A |
6 | DSR | Data Set Ready | Into AccuPyc |
The AccuPyc uses the DTR and DSR signals for hardware flow control. Ensure that the serial device provides these signals. For example, if attaching to a computer (also a DTE device), use a null modem cable which includes the designated signals. If transmission problems occur, ensure that the signals are set up properly. If the signals are correctly configured, contact the receiving device manufacturer for assistance.
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