Description
Introduction:
- Built in STM32G030F6P6 core controller, used for efficient management of external switches, relays, address configuration, and isolation side I2C communication. Adopting I2C communication control, it supports configuring device addresses through a 4-digit dip switch, which is very convenient for distributed deployment of multiple devices.
- The module integrates CA-IS3020S digital isolator and B0505M-2WR3 isolation power supply internally, perfectly achieving safe isolation between communication and power supply sides. Effectively enhance the anti-interference ability and system stability when external circuits such as on-site loads and sensors are connected, and both input and output channels are equipped with protective circuits.
- Signal acquisition: Provides 2 analog signal detection channels based on INA226AIDGSR, compatible with analog signal acquisition of 0-20mA and 0-10V.
- Output control: Equipped with 2 optocoupler isolated MOS switch (solid-state relay) output channels and 1 relay dry contact output channel to meet various control requirements.
- Installation and instruction: Supports DIN rail installation and hanging hole installation, with onboard input, output, and relay status indicator LEDs for easy on-site debugging and maintenance.
- Application scenarios: Widely applicable to various industrial and IoT scenarios such as power branch monitoring, low-voltage actuator control, sensor power management, and dry contact control.
Specifications:
- MCU: STM32G030F6P6
- Communication method; I2C at 0x20
- I2C isolator: CA-IS3020S
- Isolated power supply: B0505M-2WR3
- Power supply conversion: TPAP7343D-33FS4
- Voltage/current detection: INA226AIDGSR
- Detection channel: 2-channel analog signal detection channel (compatible with 0 - 20mA and 0 - 10V analog acquisition)
- MOS switch output: 2-channel solid-state relay MOS1.MOS2, common terminal COM, support DC0 - 60V MAX 2.5A line connection and disconnection
- Relay output: 1 channel SRD-5VDC-SL-C mechanical relay, terminal N.C/COM/N.O, support AC 250V at 5A/DC 28V at 5A line connection and disconnection
- Address configuration: 4-bit toggle switch, configurable I2C address range: 0x20 ~ 0x2F
- Control interface type: 2 x 3P switch output / relay wiring terminal, 1 x 6P input terminal
- Installation method: DIN rail mount / hanging hole
- Product size: 51.4 x 80.0 x 27.1mm
- Net weight: 62.1g
Package Included:
- 1 x IO Expansion Module
- Built in STM32G030F6P6 core controller, used for efficient management of external switches, relays, address configuration, and isolation side I2C communication. Adopting I2C communication control, it supports configuring device addresses through a 4-digit dip switch, which is very convenient for distributed deployment of multiple devices.
- The module integrates CA-IS3020S digital isolator and B0505M-2WR3 isolation power supply internally, perfectly achieving safe isolation between communication and power supply sides. Effectively enhance the anti-interference ability and system stability when external circuits such as on-site loads and sensors are connected, and both input and output channels are equipped with protective circuits.
- Signal acquisition: Provides 2 analog signal detection channels based on INA226AIDGSR, compatible with analog signal acquisition of 0-20mA and 0-10V.
- Output control: Equipped with 2 optocoupler isolated MOS switch (solid-state relay) output channels and 1 relay dry contact output channel to meet various control requirements.
- Installation and instruction: Supports DIN rail installation and hanging hole installation, with onboard input, output, and relay status indicator LEDs for easy on-site debugging and maintenance.
- Application scenarios: Widely applicable to various industrial and IoT scenarios such as power branch monitoring, low-voltage actuator control, sensor power management, and dry contact control.
Specifications:
- MCU: STM32G030F6P6
- Communication method; I2C at 0x20
- I2C isolator: CA-IS3020S
- Isolated power supply: B0505M-2WR3
- Power supply conversion: TPAP7343D-33FS4
- Voltage/current detection: INA226AIDGSR
- Detection channel: 2-channel analog signal detection channel (compatible with 0 - 20mA and 0 - 10V analog acquisition)
- MOS switch output: 2-channel solid-state relay MOS1.MOS2, common terminal COM, support DC0 - 60V MAX 2.5A line connection and disconnection
- Relay output: 1 channel SRD-5VDC-SL-C mechanical relay, terminal N.C/COM/N.O, support AC 250V at 5A/DC 28V at 5A line connection and disconnection
- Address configuration: 4-bit toggle switch, configurable I2C address range: 0x20 ~ 0x2F
- Control interface type: 2 x 3P switch output / relay wiring terminal, 1 x 6P input terminal
- Installation method: DIN rail mount / hanging hole
- Product size: 51.4 x 80.0 x 27.1mm
- Net weight: 62.1g
Package Included:
- 1 x IO Expansion Module
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On Aug 3, 2026 at 20:37:34 PDT, seller added the following information: