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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 6ES7221-1BF30-0XB0 |
| Manufacturer | Siemens |
| Product Family | SIMATIC S7 Series |
| Product Type | Digital Input Module |
| Input Type | 8 Digital Inputs, 24 V DC |
| Input Voltage Range | 20.4 V DC to 28.8 V DC |
| Input Current | From backplane bus 5 V DC, max. 105 mA |
| Current Consumption | From load voltage L+ (without load), max. 4 mA per channel |
| Power Loss | Typical 1.5 W |
| Diagnostic Functions | Yes, with diagnostic alarm and LED indicators for input status and maintenance |
| Galvanic Isolation | Between the channels, in groups of 2 |
| Degree of Protection | IP20 |
| Standards and Certifications | CE mark, C-TICK, FM approval |
| Operating Temperature Range | 0 °C to 55 °C for horizontal installation, 0 °C to 45 °C for vertical installation |
| Permissible Temperature Change | 5°C to 55°C, 3°C / minute |
| Dimensions | Width: 45 mm, Height: 100 mm, Depth: 75 mm |
| Weight | Approx. 170 g |
| Housing Material | Plastic |
| Required Front Connector | Yes |
| Installation | Supports both horizontal and vertical mounting |
The Siemens SIMATIC S7-1200 series is renowned for its compact, yet powerful automation solutions, and the 6ES7221-1BF30-0XB0 digital input module is no exception. This module is designed to seamlessly integrate with the S7-1200 PLC systems, offering a reliable and efficient way to process digital signals within an industrial environment.
With its 8 digital inputs, the module can handle 24 V DC input signals, making it suitable for a wide range of applications. The inputs are grouped in pairs, providing galvanic isolation to ensure operational safety and signal integrity. This feature is particularly beneficial in environments where electrical noise or potential circuit interference could be a concern.
The module's compact dimensions of 45 x 100 x 75 mm allow for efficient use of control cabinet space, which is often at a premium. Despite its small size, it doesn't compromise on performance, with a typical power loss of just 1.5 W, ensuring energy-efficient operation.
Diagnostic capabilities are built into the module, with diagnostic alarms and LED indicators for maintenance and input status, which contribute to reduced downtime and easier troubleshooting. The module is also designed to withstand the rigours of industrial environments, with a solid plastic housing and compliance with IP20 protection standards.
The 6ES7221-1BF30-0XB0 is a testament to Siemens' commitment to quality and innovation, providing a robust and practical solution for digital input processing in automated systems. Whether used in manufacturing, processing, or other demanding sectors, this module is engineered to deliver consistent performance and reliability.
Commonly Asked Questions
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Frequently Asked Questions
What type of module is this?
This is a SIMATIC S7-1200 digital input module, specifically designed for processing digital input signals.
How many digital inputs does this module have?
The module has 8 digital inputs for connecting binary sensors and switches.
What voltage do the digital inputs operate at?
The digital inputs operate at a 24 V DC supply voltage.
Is there any diagnostic functionality available with this module?
Yes, the module includes diagnostic alarms and LED indicators for maintenance and input status, enhancing troubleshooting and system monitoring.
What is the power consumption of this module?
The typical power dissipation of the module is approximately 1.5 W.
Can this module be used in vertical and horizontal mounting positions?
Yes, the module can be mounted both horizontally and vertically, with permissible temperature ranges specified for each orientation.
What are the dimensions and weight of this module?
The module measures 45 mm in width, 100 mm in height, and 75 mm in depth, with an approximate weight of 170 g.
Does this module have galvanic isolation?
Yes, it features galvanic isolation between the channels, grouped in pairs, to protect against electrical interference.
What is the IP rating of this module?
This module has an IP20 rating, indicating protection against solid objects larger than 12.5 mm but not against liquids.
Are there any specific climatic or mechanical conditions for the operation of this module?
The module is designed to operate within a temperature range of 0 °C to 55 °C for horizontal mounting and 0 °C to 45 °C for vertical mounting, with permissible temperature changes and atmospheric pressure ranges specified for optimal performance.
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