6ES7221-3AD30-0XB0

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The Siemens SIMATIC S7 Series Digital Input Module, part number 6ES7221-3AD30-0XB0, is a compact and reliable solution for expanding the input capabilities of your automation system. Designed to work seamlessly with the SIMATIC S7-1200 series, this module offers four digital inputs that operate at a voltage of 5 V DC and are capable of high-speed signal detection up to 200 kHz, making it suitable for a wide range of industrial applications.

With its diminutive dimensions of 38 x 21 x 62 mm, this module is an excellent choice for systems where space is at a premium. Despite its small size, it is built to withstand the rigours of industrial environments, with an operational temperature range of -20 °C to +60 °C and storage temperatures from -40 °C to +70 °C. The module is also designed to handle free fall up to 0.3 m, ensuring durability during handling and operation.

The 6ES7221-3AD30-0XB0 is engineered for ease of use, featuring parameterizable input delays for precise control and diagnostics LEDs for quick status checks of the inputs. Its IP20 degree of protection ensures that the module's electronic components are safeguarded against solid objects larger than 12.5 mm, although it should be housed within a suitable enclosure for optimal protection.

This digital input module is an ideal choice for those looking to enhance their control systems with a high-quality, high-speed input solution. Whether you're dealing with tasks in manufacturing, processing, or any other field that requires precise digital input monitoring, the Siemens 6ES7221-3AD30-0XB0 offers the performance and reliability needed to keep operations running smoothly.
Specification Description
Part Number 6ES7221-3AD30-0XB0
Alternative Part Number 6ES72213AD300XB0
Manufacturer Siemens
Product Type SIMATIC S7 Series Digital Input Module
Input Current From backplane bus 5 V DC, typically 40 mA
Power Loss Typical 1 W
Number of Digital Inputs 4; Current-sourcing
Input Voltage Type DC
Rated Input Voltage 5 V DC
Input Voltage for Signal "0" 0 to 1 V DC
Input Voltage for Signal "1" 2 to 6 V DC
Input Current for Signal "1" Minimum 5.1 mA
Input Delay for Standard Inputs Parameterizable: 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms
Cable Length (Shielded) Maximum 50 m; shielded, twisted pair
Diagnostics Indication LED For status of the inputs
Approvals CE, CSA, UL, cULus, FM, RCM, KC, Marine
Ambient Operating Temperature Minimum -20 °C, Maximum 60 °C
Ambient Storage Temperature Minimum -40 °C, Maximum 70 °C
Relative Humidity Operation at 25 ℃ without condensation, maximum 95 %
Enclosure Material (Front) Plastic
Dimensions Width 38 mm, Height 62 mm, Depth 21 mm
Weight Approximately 35 g

What are the input voltage requirements for the Digital Input Module?

The Digital Input Module requires a rated input voltage of 5 V DC. It recognises a signal '0' when the voltage is between 0 to 1 V and a signal '1' when the voltage is between 2 to 6 V.

Can the input delay be configured on this module?

Yes, the input delay is configurable on this module. It can be set to various timings such as 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8 ms, selectable in groups of four.

What is the maximum permissible operating temperature for the module?

The module can operate within an ambient temperature range of -20 °C to 60 °C for horizontal installation and -20 °C to 50 °C for vertical installation.

What type of inputs does the module support?

The module supports 4 current-sourcing digital inputs.

Is there a diagnostics LED on the module?

Yes, there is a diagnostics LED on the module that indicates the status of the inputs.

What approvals does the module have?

The module has several approvals including CE, CSA, UL, cULus, FM approval, RCM (formerly C-TICK), KC approval, and Marine approval.

What is the maximum cable length that can be used with the module?

The maximum cable length for shielded cables is 50 meters when using a shielded, twisted pair.

What are the dimensions of the module?

The module has dimensions of 38 mm in width, 62 mm in height, and 21 mm in depth.

What is the power consumption of the module?

The typical power loss for the module is approximately 1 W.

How does the module indicate operational status?

Operational status is indicated through the diagnostics LED, which provides visual feedback on the status of the digital inputs.

  • Integration into compact automation solutions for processing digital signals
  • Use in SIMATIC S7-1200 systems for expanding digital input capabilities
  • Application in manufacturing automation for high-speed counting tasks
  • Implementation in conveyor technology for precise control of conveyor systems
  • Utilisation in packaging machines for input signal processing
  • Deployment in temperature control systems for industrial processes
  • Inclusion in pump and fan control systems for improved operational efficiency
  • Installation in control panels for machinery to enhance input signal monitoring
  • Adaptation for use in custom electronics projects requiring digital input modules
  • Application in prototype development for testing digital signal interfaces

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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