The Waveshare 31790 is the RP2350-Relay-6CH module which is a 6-Channel RP2350 Relay Module, with Onboard RS485 / Pico HAT interfaces, and multiple isolation protection circuits, Industrial-Grade, Rail-Mount Case.
Part: RP2350-Relay-6CH
Package Contents:
1. RP2350-Relay-6CH x1
2. Screwdriver x1
Industrial 6-Ch RP2350 Relay Module
Based on RP2350, Onboard RS485 / Pico HAT interfaces
Built-in protection circuits such as power isolation and optocoupler isolation,
Safe & Stable & Reliable
Features
- RP2350B microcontroller chip designed by Raspberry Pi in the United Kingdom
- Adopts unique dual-core and dual-architecture design: dual ARM Cortex-M33 or dual Hazard3 RISC-V processors support, flexible clock running up to 150 MHz
- 520KB of SRAM, 16MB onboard Flash memory
- Type-C connector for easier use
- High quality relay, contact rating: ≤10A 250VAC/30VDC
- Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors
- Onboard 40PIN header compatible with some Raspberry Pi Pico HATs, for expanding more functions such as RTC / CAN / RS232 / LoRa / sensor, etc.
- Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications
- Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay
- Onboard digital isolation to prevent interference from external signal
- Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal
- Built in buzzer, RGB colorful LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the module
- Rail-mounted ABS case, easy to install, safe to use
- USB 1.1 with device and host support
- Low-power sleep and dormant modes
- Drag-and-drop programming using mass storage over USB
- Adapting 34 × multi-function GPIO pins
- 2 × I2C, 2 × UART, 8 × 12-bit ADC, 24 × controllable PWM channels
- Accurate clock and timer on-chip
- Temperature sensor
- Accelerated floating-point libraries on-chip
- 12 × Programmable I/O (PIO) state machines for custom peripheral support
Specifications
|
Microcontroller |
RP2350B |
|
|
USB |
Connector |
USB Type-C |
|
Power supply |
5V |
|
|
Functions |
Power supply, USB communication, firmware downloading, etc. |
|
|
ISOLATED RS485 |
Connector |
Screw terminal |
|
Direction control |
Hardware automatic control |
|
|
Protection |
TVS diode, surge protection & ESD protection |
|
|
Resistor |
Onboard reserved 120R matching resistor, NC by default, enabled via jumper |
|
|
Expanded interface |
Onboard 40PIN header compatible with some Raspberry Pi Pico HATs, easy to expand other functions such as RTC / CAN / RS232 / LoRa / sensor, etc |
|
|
Relay |
Contact rating |
≤10A 250VAC/30VDC |
|
Relay channels |
6 |
|
|
Contact form |
1NO 1NC |
|
|
Isolation |
Optocoupler isolation |
|
|
LED indicators |
RGB |
RGB colorful LED, supports programmable control for display color |
|
PWR |
Red power indicator, lights up when there is USB connection and voltage is detected |
|
|
TXD |
Green TX indicator, lights up when the RS485 port sends data |
|
|
RXD |
Blue RX indicator, lights up when the device port sends data back |
|
|
power supply Screw terminal |
Voltage range |
7~36V |
|
Appearance |
Enclosure |
Rail-mount ABS protective case |
|
Dimensions |
145 × 90 × 40mm |
|
Dual-core, Dual-architecture
The unique dual-core, dual-architecture capability of RP2350B allows users to choose between
a pair of industry-standard Arm Cortex-M33 cores, and a pair of open-hardware Hazard3 cores,
giving developers a chance to experiment with the RISC-V architecture in a stable, well-supported environment.
Onboard multiple isolation protection circuits
Multiple protections, safer and more reliable
High quality 6-Channel relays, supports RS485
Contact rating of the onboard relay up to 10A 250VAC/30VDC
Directly controlling 220VAC home appliances, or devices below 30VDC
Onboard Pico HAT compatible interface, RS485 interface for easy expansion
Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors.
Onboard 40PIN header compatible with some Raspberry Pi Pico HATs, for expanding more functions
such as RTC / CAN / RS232 / LoRa / sensor, etc.
Supports C/C++, MicroPython, Arduino IDE
Comprehensive SDK, Dev Resources, Tutorials to help you easily get started
What's On Board
- RP2350B
Dual-core and dual-architecture design, up to 150 MHz operating frequency - 6-channel quality relays
contact rating per channel: ≤10A 250V AC or ≤10A 30V DC - Optocoupler isolation chip
prevents interference from external high-voltage circuit connected to the relay - Digital isolation chip
prevents interference from external signal - Power supply isolation module
provides stable isolated voltage, needs no extra power supply for the isolated terminal - TVS diode
effectively suppresses surge voltage and transient spike voltage in the circuit - Ceramic gas discharge tube
- RS485 matching resistor jumper
Onboard reserved 120R matching resistor, enabled via jumper - RS485 bus interface
for connecting to external RS485 devices - Power supply screw terminal
Supports DC 7~36V wide voltage input - LED indicators
PWR: power indicator
RXD: RS485 RX indicator
TXD: RS485 TX indicator - WS2812 RGB LED
- Type-C connector
for programming, USB 1.1 with device and host support - Passive buzzer
- RP2350 RESET button
- 40-PIN Raspberry Pi Pico HAT header
- Relay screw terminals
for connecting with user devices
Pin Definition
Outline dimensions
Wiki: RP2350-Relay-6CH
