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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 6ES7221-1BF22-0XA0 |
| Alternative Part Number | 6ES72211BF220XA0 |
| Manufacturer | Siemens |
| Part Category | PLC Systems |
| Part Family | Simatic S7 |
| Number of Digital Inputs | 8 |
| Input Voltage Type | DC |
| Rated Input Voltage | 24 V DC |
| Signal "0" Voltage Range | 0 to 5 V |
| Signal "1" Voltage Range | 15 to 30 V |
| Input Current for Signal "1" | 4 mA (typical) |
| Input Delay (0 to 1) | 4.5 ms (max) |
| Cable Length (shielded) | 500 m (max) |
| Cable Length (unshielded) | 300 m (max) |
| Connectable Encoders | 2-wire sensor |
| Permissible Quiescent Current | 1 mA (max) |
| Galvanic Isolation | Yes (Optocoupler) |
| Channels Grouping | In groups of 4 |
| Connection Method | Plug-in I/O terminals |
| Dimensions (W x H x D) | 46 mm x 80 mm x 62 mm |
| Weight | 150 g (approx.) |
Introducing the Siemens 6ES7221-1BF22-0XA0 Digital Input Module, a high-quality and reliable component designed specifically for use with the S7-22X CPU in Simatic S7 PLC systems. This versatile module offers 8 digital inputs, operating at 24V DC, with both sink and source input capabilities.
The 6ES7221-1BF22-0XA0 module is equipped with a potential separation feature, utilising optocouplers for enhanced safety and performance. The module supports connection to 2-wire sensors and offers a maximum permissible quiescent current of 1 mA. With a compact design measuring 46mm in width, 80mm in height, and 62mm in depth, this module is an ideal choice for space-conscious applications.
Featuring plug-in I/O terminals for easy installation and maintenance, the Siemens 6ES7221-1BF22-0XA0 Digital Input Module is built to deliver consistent performance in a wide range of industrial automation settings. Trust in Siemens' engineering expertise and enhance your PLC system with this reliable and efficient digital input module.
Commonly Asked Questions
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Frequently Asked Questions
What is the input voltage range for this digital input module?
The Siemens 6ES7221-1BF22-0XA0 digital input module has an input voltage range of 0 to 5 V for signal '0' and 15 to 30 V for signal '1'.
How many digital inputs does this module have?
The Siemens 6ES7221-1BF22-0XA0 digital input module has 8 digital inputs.
Is this module compatible with 2-wire sensors?
Yes, the Siemens 6ES7221-1BF22-0XA0 digital input module is compatible with 2-wire sensors.
What is the maximum permissible quiescent current for 2-wire sensors?
The maximum permissible quiescent current for 2-wire sensors connected to the Siemens 6ES7221-1BF22-0XA0 digital input module is 1 mA.
Does this module have galvanic isolation?
Yes, the Siemens 6ES7221-1BF22-0XA0 digital input module has galvanic isolation provided by optocouplers. The isolation is between the channels, in groups of 4.
What is the maximum cable length for shielded and unshielded cables?
For the Siemens 6ES7221-1BF22-0XA0 digital input module, the maximum cable length is 500 m for shielded cables and 300 m for unshielded cables.
What are the dimensions and weight of this module?
The Siemens 6ES7221-1BF22-0XA0 digital input module has dimensions of 46 mm width, 80 mm height, and 62 mm depth. The approximate weight is 150 g.
What is the input delay for this module?
The input delay for the Siemens 6ES7221-1BF22-0XA0 digital input module, at rated value of input voltage, is a maximum of 4.5 ms for standard inputs when transitioning from '0' to '1'.
Part conditions explained
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