USIO21
Product Name
Toshiba USIO21 DCS PLC Module
Product Description
The Toshiba USIO21 is a high – performance industrial automation module designed for industrial control and data transmission4. It features modular design, high reliability, and multi – protocol support, enabling protocol conversion, data acquisition, and control output4. With its compact design and various interface types (such as I2C, SPI, UART, etc.), it supports high – speed data transmission and logical processing, making it suitable for complex industrial control and data acquisition tasks6. It has a fully modular plug – and – play structure that can be safely and conveniently plugged and unplugged electrically at industrial sites2. In addition, its CPU adopts a multi – processor structure and is equipped with a high – capacity storage unit, which maximizes the processing power of the system2.
Product Parameters
- Input Voltage Range: 8 – 32 VDC3.
- Output Current: Up to 30 A3.
- Maximum Switching Frequency: 25 kHz3.
- Working Temperature Range: – 40 °C to + 85 °C3.
- Power Supply Voltage: 24 VDC.
- Power Supply Current: 2 A.
- Input Voltage Tolerance: – 5 V to 24 V.
- Output Voltage Range: 0 V to 24 V.
- Input/Output Current: 2 A.
- Response Time: ≤1 μs.
- Isolation Voltage: 2500 Vrms6.
- Maximum Data Transmission Rate: 1 Mbps4.

Product Specifications
- Module Size: 360 mm x 180 mm x 420 mm3.
- Weight: 8.5 kg3.
- Protection Class: IP67.
- Connection Method: Bolt – on.
- Communication Protocols: Supports Profibus, Modbus, etc.4.
- Built – in Functions: Temperature sensor, over – current protecti