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How To Read A Weight Scale Via Serial Port


In order for your PC to read the weight from the scale, your scale's digital weight indicator or scale indicator must be connected your PC. This is almost always accomplished by connecting an RS232 port on your scale indicator to a RS232 serial port on your PC with the appropriate interface cable.

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An area and learn more about our wide range of products and applications for weighing, measuring and analyzing. Serial Communication Test - PS Scale.

The interface cable normally custom made by either your scale supplier or the service technician who is maintaining your scale. If your scale indicator has never been connected to a PC, contact the service provider that maintains your scale and ask them to. Have an interface cable made and installed. Many scale indicators must be opened in order to install the interface cable. For that type of indicator, we do not recommend trying to install the cable yourself. Contact the service technician who maintains your scale and have the cable installed by a trained technician. Identifying your serial port The serial port connector commonly found on a PC is a 'D' type connectors.

How To Read A Weight Scale Via Serial Port

RS232 port pin assignments The standard RS232 ports on a PC are configured as DTE. The designations of the commonly used pins are shown in the table below. The also uses a 25 position connector, however, it is a socket connector. It cannot be used to connect your scale to you PC. USB-to-serial adapters Using an USB-serial adapter, any serial device can be connected to a PC via USB. With the help of product specific device driver software, the serial port of the USB-serial apdapter looks and acts precisely like it is built into your computer: it appears right alongside other serial ports in Windows Device Manager. Ethernet-to-serial server Using an Ethernet-serial server, any serial device can send its information over an Ethernet connection.

With the help of product specific device driver software, the serial port of the Ethernet-serial server looks and acts precisely like it is built into your computer: it appears right alongside other serial ports in Windows Device Manager.

In order for your PC to read the weight from the scale, your scale's digital weight indicator or scale indicator must be connected your PC. This is almost always accomplished by connecting an RS232 port on your scale indicator to a RS232 serial port on your PC with the appropriate interface cable. The interface cable normally custom made by either your scale supplier or the service technician who is maintaining your scale. If your scale indicator has never been connected to a PC, contact the service provider that maintains your scale and ask them to. Have an interface cable made and installed. Many scale indicators must be opened in order to install the interface cable.

For that type of indicator, we do not recommend trying to install the cable yourself. Contact the service technician who maintains your scale and have the cable installed by a trained technician.

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Identifying your serial port The serial port connector commonly found on a PC is a 'D' type connectors. RS232 port pin assignments The standard RS232 ports on a PC are configured as DTE. The designations of the commonly used pins are shown in the table below. The also uses a 25 position connector, however, it is a socket connector.

It cannot be used to connect your scale to you PC. USB-to-serial adapters Using an USB-serial adapter, any serial device can be connected to a PC via USB. With the help of product specific device driver software, the serial port of the USB-serial apdapter looks and acts precisely like it is built into your computer: it appears right alongside other serial ports in Windows Device Manager.

Ethernet-to-serial server Using an Ethernet-serial server, any serial device can send its information over an Ethernet connection. With the help of product specific device driver software, the serial port of the Ethernet-serial server looks and acts precisely like it is built into your computer: it appears right alongside other serial ports in Windows Device Manager.