PRODUCT DETAILS
Description
STAMP PWR485is anRS485 communicationexpansion 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.
Product Features
SP485EEN-L/TR(RS485 transceiver)
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.
Baud rate.
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℃
Included
1x STAMP PWR485
1x HT3.96-4P female connector
2x HY2.0-4P female connector (blue + white)
1x HEX Key 1.5mm
Applications
RS485 communication
Modbus device communication
Specifications

Specification
Parameters
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


Input Logic Level
3.3V
Net Weight
5.1g
Gross Weight
7.3g
Product Size
20*4.6*23mm
Package Size
93*138mm
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