Siemens 6ES7221-1BH30-0XB0 SIMATIC S7-1200 Digital Input Module 16DI 24VDC

Siemens 6ES7221-1BH30-0XB0 SIMATIC S7-1200 Digital Input Module 16DI 24VDC

Product Overview
The Siemens 6ES7221-1BH30-0XB0 is a digital input module designed for industrial automation control systems, belonging to the SIMATIC S7-1200 series. It efficiently acquires and processes digital signals and is suitable for data acquisition tasks in a variety of complex environments.

Technical Parameters
- Supply Voltage: Rated 24V DC, permissible range 20.4V to 28.8V.
- Input Current:
- From the backplane bus DC 5V, maximum 130mA.
- From the load voltage L+ (no-load), maximum 4mA per channel.
- Digital Inputs:
- Quantity: 16 digital inputs.
- Grouping: 4 groups.
- Input characteristics comply with IEC 61131, Type 1.
- Number of simultaneously controllable inputs: Maximum 16 in all mounting positions (up to 40°C) and in the horizontal mounting position (up to 50°C). - Input Voltage:
- Rated value: 24V DC.
- For signal "0": 5V DC at 1mA.
- For signal "1": 15V DC at 2.5mA.
- Input Current:
- For signal "0", maximum (permissible quiescent current): 1mA.
- For signal "1", minimum: 2.5mA, typical: 4mA.
- Input Delay: Parameterizable, standard inputs are 0.2ms, 0.4ms, 0.8ms, 1.6ms, 3.2ms, 6.4ms, and 12.8ms, selectable in groups of four.
- Cable Length:
- Shielded cable, maximum 500m.
- Unshielded cable, maximum 300m.
- Diagnostic Function: Supports diagnostic functions, including diagnostic alarms and status indicator LEDs.
- Potential Isolation: The digital inputs are potential-isolated in groups of four. - Power consumption: Typical 2.5W.
- Dimensions: Width 45mm, Height 100mm, Depth 75mm.
- Weight: Approximately 210g.
- Operating temperature:
- Horizontal installation: 0°C to 55°C.
- Vertical installation: 0°C to 45°C.
- Storage/transport temperature: -40°C to 70°C.
- Relative humidity: Non-condensing at 25°C, maximum 95%.

Application Scenarios
This module is widely used in factory automation, process control, and other fields. It efficiently converts digital signals from field devices into signals that can be recognized by the control system, making it suitable for a variety of industrial environments.

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