M5Stamp RS485 Module

Description

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.

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 DC5V@3.2mA

DC12V@2.8mA

DC24V@2.1mA

Input Logic Level 3.3V

Net Weight 5.1g

Gross Weight 7.3g

Product Size 20*4.6*23mm

Package Size 93*138mm