6. Upgrading your device...26 7. Physically connecting to your RS232 device ...29 7.1. Configuring the communications parameters..29 7.2. Physically connecting your device to BL-521 via the RS232 cable... 29 8. Connecting converters over Bluetooth...30 8.1. Client/Server Pair: “Cable Replacement”..30 8.1.1.
1.1. Preamble Brainboxes’ RS232 Bluetooth converters are fully embedded, stand-alone Bluetooth solutions, which will Bluetooth enable any device with an RS232 port. Unlike many of Brainboxes wide range of Bluetooth products, the converters do not require any additional Bluetooth software.
In this section the port that accesses the BL-521 can be opened and closed. See section 3.3 for more details on the options in this section The Support/Links section can be used to get more help from Brainboxes should you be experiencing any difficulties.
Memory constraints on the converter mean that you must ensure that your desired name is less than 30 characters. The Factory setting for the local device name is “BL-521 BB RS232 Converter”. Discoverability Discoverability is a feature that allows any other Bluetooth device to “see” another, or not. Just because a Bluetooth device is non-discoverable it doesn’t mean it’s not also connectable.
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NOT transferred over the Bluetooth link, but instead are used to control the passage of data between the product (BL-521 or BL-730) and the physically connected RS232 device. It is therefore not possible to use this product in an application that uses the RTS and/or CTS handshake lines for purposes other than simply to control the flow of data.
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Bluetooth website Interactive Menu Some RS232 devices (GPS devices for example) emit a continuous stream of data regardless of whether a cable is connected. When there is no Bluetooth connection, this data (from the RS232 device) will be interpreted by the converter as commands to (or interaction with) the menu and ultimately change settings (such as baud rate) that render the converter inoperable.
The factory set Bluetooth Parameters are: Partner device: None Role (Client/Server): Server PIN: 1234 Local device name: BL-521 BB RS232 Converter It is from this menu that all available Bluetooth settings can be changed. The available options are detailed below.
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Point the upgrade wizard to the upgrade file you wish to use. These upgrade files all have the extension .dfu and the latest version is available from the Brainboxes website. Confirm you have made the correct selections by clicking “Next” to start the upgrade procedure.
Please refer to section 4.2.3 above, for details on how to do this. It is possible, if a little confusing, to “pair” two converters and have them physically connected to RS232 devices which use totally different communications parameters.
RS232 device. 9.3.2. Bluetooth Enable your PC Any PC based Bluetooth device could be used, but for this example we have used a Brainboxes USB adapter and Bluetooth software for Windows XP. 9.3.3. Discover the device Manual for BL-521 5_3.doc...
In order to communicate to the oscilloscope/BL-521 we have connected a Brainboxes USB adapter (Order code BL-554) to a laptop with Brainboxes Bluetooth software suite installed. If you are connecting to BL-521 with a different manufacturers Bluetooth product, please refer to the manufacturers instructions for that product.
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