Siemens 6ES7221 1BF32 0XB0 SM 1221 DC
18,000.00৳
Description
The Siemens 6ES7221 1BF32 0XB0 SM 1221 DC is a digital input/output module belonging to the SIMATIC S7-1200 series of programmable logic controllers (PLCs). Specifically, it is an SM 1221 digital input/output module designed for use with the S7-1200 PLC system.
Here are some key features of the Siemens 6ES7221 1BF32 0XB0 SM 1221 DC:
- Digital Inputs: The SM 1221 module provides a set of digital inputs for connecting to discrete sensors, switches, and other digital devices. These inputs can be used to detect the presence or absence of signals and to monitor the status of equipment and processes.
- Digital Outputs: In addition to digital inputs, the SM 1221 module also includes digital outputs for controlling external devices such as solenoid valves, relays, motors, and indicators. These outputs can be used to switch devices on or off based on the logic programmed in the PLC.
- Input/ Output Configuration: The SM 1221 module typically offers a configurable number of digital inputs and outputs, allowing users to customize the module to meet the specific requirements of their application. The specific configuration options depend on the model and variant of the module.
- Voltage and Current Ratings: The module supports a range of voltage and current ratings for both the digital inputs and outputs. This allows compatibility with different types of sensors, actuators, and power supplies commonly used in industrial automation applications.
- Diagnostic and Status Indicators: The module is equipped with diagnostic and status indicators to provide feedback on the health and operation of the module. This includes indicators for power status, communication status, and individual input/output status.
- Integration with S7-1200 PLC: The SM 1221 module is designed to seamlessly integrate with the Siemens S7-1200 PLC system. It can be easily configured and programmed using Siemens’ TIA Portal engineering software, allowing for efficient development and commissioning of automation solutions.
- Compact Design: The SM 1221 module has a compact and space-saving design, making it suitable for applications with limited space or where multiple modules need to be installed in close proximity.
Others
Specification of Siemens 6ES7221 1BF32 0XB0 SM 1221 DC
| Product type designation | SM 1221, DI 8×24 V DC |
| Supply voltage | |
| Rated value (DC) | 24 V |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.8 V |
| Input current | |
| from backplane bus 5 V DC, max. | 105 mA |
| Digital inputs | |
| ● from load voltage L+ (without load), max. | 4 mA; per channel |
| output voltage / header | |
| supply voltage of the transmitters / header | |
| ● present | Yes |
| Power loss | |
| Power loss, typ. | 1.5 W |
| Digital inputs | |
| Number of digital inputs | 8 |
| ● in groups of | 2 |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Number of simultaneously controllable inputs | |
| all mounting positions | |
| — up to 40 °C, max. | 8 |
| horizontal installation | |
| — up to 40 °C, max. | 8 |
| — up to 50 °C, max. | 8 |
| vertical installation | |
| — up to 40 °C, max. | 8 |
| Input voltage | |
| ● Rated value (DC) | 24 V |
| ● for signal “0” | 5 V DC at 1 mA |
| ● for signal “1” | 15 V DC at 2.5 mA |
| Input current | |
| ● for signal “0”, max. (permissible quiescent current) | 1 mA |
| ● for signal “1”, min. | 2.5 mA 4 mA |
| ● for signal “1”, typ. | |
| Input delay (for rated value of input voltage) | |
| for standard inputs | |
| — parameterizable | Yes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four |
| for interrupt inputs | |
| — parameterizable | Yes |
| Cable length | |
| ● shielded, max. | 500 m |
| ● unshielded, max. | 300 m |
| Interrupts/diagnostics/status information | |
| Alarms | |
| ● Diagnostic alarm | Yes |
| Diagnostics indication LED | |
| ● for status of the inputs | Yes |
| Potential separation | |
| Potential separation digital inputs | |
| ● between the channels, in groups of | 2 |
| Degree and class of protection | |
| IP degree of protection | IP20 |
| Standards, approvals, certificates | |
| CE mark | Yes |
| CSA approval | Yes |
| UL approval | Yes |
| cULus | Yes |
| FM approval | Yes |
| RCM (formerly C-TICK) | Yes |
| KC approval | Yes |
| Marine approval | Yes |
| Ambient conditions | |
| Free fall | |
| ● Fall height, max. | 0.3 m; five times, in product package |
| Ambient temperature during operation | |
| ● min. | -20 °C |
| ● max. | 60 °C |
| ● horizontal installation, min. | -20 °C |
| ● horizontal installation, max. | 60 °C |
| ● vertical installation, min. | -20 °C |
| ● vertical installation, max. | 50 °C |
| ● permissible temperature change | 5°C to 55°C, 3°C / minute |
| Ambient temperature during storage/transportation | |
| ● min. | -40 °C |
| ● max. | 70 °C |
| Air pressure acc. to IEC 60068-2-13 | |
| ● Storage/transport, min. | 660 hPa |
| ● Storage/transport, max. | 1 080 hPa |
| Relative humidity | |
| ● Operation at 25 ℃ without condensation, max. | 95% |
| connection method | |
| required front connector | Yes |
| Mechanics/material | |
| Enclosure material (front) | |
| ● Plastic | Yes |
| Dimensions | |
| Width | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weights | |
| Weight, approx. | 170 g |
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