Industrial 6-Channel RP2350 Relay Module – RS485 Interface HAT DIN Rail Case
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Industrial 6-Channel RP2350 Relay Module – RS485 Interface, HAT, DIN Rail Case
Industrial relay module based on the RP2350 microcontroller known from Raspberry Pi Pico. Equipped with 6 channels, an isolated RS485 interface, and a connector compatible with Raspberry Pi Pico HATs. It features a range of advanced protections, power and optocoupler isolation, and a solid ABS casing designed for DIN rail mounting.
Key Features:
- RP2350B microcontroller
- Dual-core architecture: 2× ARM Cortex-M33 or 2× Hazard3 RISC-V (up to 150 MHz)
- Memory: 520KB SRAM, 16MB Flash
- 6 high-quality relays – contact rating ≤10A 250VAC / 30VDC
- Isolated RS485 interface (Modbus) for communication with industrial sensors and controllers
- 40PIN connector compatible with Raspberry Pi Pico HATs (expandable with RTC, CAN, LoRa, etc.)
- Wide power supply range: 7V ~ 36V DC (screw terminals)
- Full isolation: optocoupler (relay separation), digital (signals), power (no separate source needed for isolation)
- Built-in Buzzer and RGB LED (WS2812)
- LED indicators: Power (PWR), RS485 transmission (TX, RX)
- Protective ABS casing with easy DIN rail mounting
- USB-C connector – drag-and-drop programming, USB Host/Device support
- Rich peripherals: 2× I2C, 2× UART, 8× ADC (12-bit), 24× PWM, 12× PIO
- Dedicated slot for Wi-Fi/Bluetooth module (for version with wireless module)
High-Quality Relays and Control
The module supports 6 channels with relays rated up to 10A (250VAC/30VDC). It enables direct control of 230V home appliances or DC automation.
Multilevel Isolation and Safety
The device is equipped with power isolation, digital isolation, and optocouplers separating high-voltage circuits. Additionally, TVS diodes and gas discharge tubes are used for maximum stability.
Expansion Possibilities – Pico HAT and RS485
The built-in 40PIN header allows the use of HATs dedicated to Raspberry Pi Pico. The RS485 port enables integration with Modbus industrial networks.
Board Components Description
- RP2350B
Dual-core MCU, up to 150 MHz - 40PIN Raspberry Pi Pico HAT connector
- Relay screw terminals
- 6 relays (10A 250V AC / 30V DC)
- Optocouplers
Isolation from high-voltage circuits - Power isolation module
- Digital isolation chip
- TVS Diode (Surge protection)
- Ceramic gas discharge tube
- RS485 terminating resistor jumper (120Ω)
- RS485 Interface
- 7~36V DC Power Supply
- LED Indicators (PWR, TXD, RXD)
- WS2812 RGB LED
- USB Type-C Connector (Programming)
- Buzzer
- RESET Button
- BOOT Button
- Radio module slot
(WiFi module not included in this version)
Technical Specification
- Microcontroller: RP2350B
- Power Supply: 7V ~ 36V (Screw terminals) or 5V (USB-C)
- Relay Count: 6 channels (1NO 1NC)
- Contact Rating: ≤10A 250VAC / 30VDC
- RS485 Interface: Isolated, with TVS and ESD protection
- RS485 Direction Control: Automatic, hardware-based
- Isolation: Power, Digital, Optocoupler
- Indicators: RGB LED, PWR, TX, RX
- Extensions: 40PIN Header (Pico HAT compatible)
- Enclosure: ABS, DIN rail mount
- Dimensions: 145 × 90 × 40 mm
Package Contents
- RP2350-Relay-6CH ×1
- Screwdriver ×1
The relay does not include a WiFi module. The product code for the WiFi version is: RP2350-Relay-6CH-W 32576
Safety
Shipping costs
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