BT432 – Serial RS232/RS485/RS422 over Bluetooth 2.1

Bluetooth 2.1 + EDR, SPP, 1 x RS232/RS485/RS422

Overview & ApplicationConfigurationSpecificationsInquiryDownload

Selective as Slave or Master mode
Bluetooth v2.1 + EDR
SPP profile
Bluetooth Class 1
Configuration utility with ease of use

Demo Video

Parameters Configuration

Pairing & Loop Test with PC

Configuration Utility

How to configure and pair 2 units of BT232/BT432

Connect BT232/BT432 to PC with RS232 parallel (pin to pin) cable

Launch BT1 configuration utility from PC

Select the COM port where BT232/BT432 connects to, then click “Connect”, then icon becomes “Disconnect” when connected.

Click “Read” at the bottom to load current parameter settings of the BT232/BT432.

Edit parameter settings as needed, then click “Write” at the bottom to save settings to the BT232/BT432.

To pair 2 units of BT232/BT432 automatically, both units’ setting must be the same in pin code, baud rate, stop bit, and parity. One set as Master and the other set as Slave. Peer Address must be all “0”. Then power on both BT232/BT432 units and the “Pair’ LED on each unit will become always on means both units already paired automatically.

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Serial Port
Number of Ports : RS-232 / 422 / 485 * 1 Port ( auto detect )
RS232 : Rx , Tx , GND , RTS , CTS
RS422 : Tx+ , Tx-, Rx+ , Rx- ( Surge Protect )
RS485 : Data+ , Data- ( Surge Protect)
Built-in RS422/RS485 Terminal Resistor
Speed : 1200 bps ~ 115.2K bps
Parity : None , Odd , Even
Data Bit : 8
Stop Bit : 1 , 2
Flow Control : RTS / CTS

Compliant with Bluetooth v2.1+EDR
Operate in 2.4GHz – 2.483GHz ISM Band
Support Bluetooth Radio with Class 1 RF
Tx Output Power : 13 dBm (maximum)
Rx Sensitivity : -86 dBm (minimum)
Operating Distance up to 100 Meters (Open Space)
Support SPP profile

Setup : Windows Utility
Use RS232 Parallel (pin to pin) cable to connect to PC for setup
Power : DC 9 ~ 24V / 150ma @ 9V , 60ma @ 24V
Led Lamp : SYS (red) , Pairing (green) , Rx (red) , Tx (green)
Operating Temperature: 0 ~ 70 °C
Storage Temperature : -25 ~ 80 °C
Dimensions : 85 x 75 x 25 mm ( W x D x H )
Weight : 150 g

RS232 Pin Assignments

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    File Description File size
    pdf BT432 Configuration and Test Guide BT432 Configuration and Test Guide, Serial to Bluetooth
    893 KB
    zip BT1 v3.0 Configuration Utility Configuration setup utility
    386 KB
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