STAMP PWR485 is an RS485 communication expansion board, that converts the 3.3V TTL level of the MCU serial port into a differential signal compatible with the RS485 standard. With a compact size 20* 4.6* 23mm, it can be integrated into various embedded devices for RS485 communication interface expansion. Suitable for RS485 sensor data acquisition, Modbus bus node communication, and other applications.
2x RS485 interface expansion (parallel), can be connected to two devices at one time
Red LED indicator
The PWR485 interface supports 9-24V DC input, internal DCDC step-down to 5V to power the module and main control.
Stable communication baud rate: 9600bps/115200bps
Maximum communication baud rate test: 128000bps
Multiple soldering options
Three types soldering options are available (SMT, DIP, Jumper wire),
With high-temperature resistant plastic enclosure, Peak temperature = 230?
1x STAMP PWR485
1x HT3.96-4P female connector
2x HY2.0-4P female connector (blue + white)
1x HEX Key 1.5mm
Modbus device communication
RS485 Transceiver SP485EEN-L/TR
Input Voltage PWR485 interface supports 9-24V input power / TTL side input voltage 5V
Recommended operating baud rate 9600bps/115200bps
Operating Current DC5V@3.2mA
Input Logic Level 3.3V
Net Weight 5.1g
Gross Weight 7.3g
Product Size 20*4.6*23mm
Package Size 93*138mm