Inquiry for Siemens 6ES7221-3AD30-0XB0 SB 1221 Digital Input Module

Part number

6ES7221-3AD30-0XB0

Brand

Siemens

Category

I/O Modules

Product type

SB 1221 digital input modules

Lifecycle

Active Product

Dimensions

8.00 x 4.7 x 2.7 cm

Net weight

0.03 Kg

Source category

SB 1221 digital input modules

• The unit operates as a digital input module within the SIMATIC S7-1200 family architecture. Keep dimensions 8.00 x 4.7 x 2.7 cm and net weight 0.03 Kg unchanged while comparing project documents and product image evidence.
• It features four distinct digital input points for monitoring binary state changes in control circuits.
• Electrical specifications indicate a 5V DC operating voltage for the input signal processing logic.
• The module supports a maximum switching frequency of 200kHz for rapid signal detection tasks.
• Input configuration is defined as sourcing type, requiring connection to positive potential sources.
• Physical dimensions are recorded as 8.00 x 4.7 x 2.7 cm for panel mounting integration.

• Identify the product by the part number 6ES7221-3AD30-0XB0 on all documentation and labels. Use the source path Automation technology / Digital modules / SB 1221 digital input modules to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
• Verify the brand designation as Siemens when reviewing technical datasheets and product catalogs.
• Confirm the product class falls under SB 1221 digital input modules for S7-1200 systems.
• Check the lifecycle status listed as Active Product to ensure current manufacturing support.

Parameters are factual source fields retained for model review.

• Review the net weight specification of 0.03 Kg for logistics and handling calculations. Check product-owned images, label text, connector area, and submitted model references against the exact 6ES7221-3AD30-0XB0 record before publication.
• Examine the 5V DC voltage rating to ensure application context with connected sensor outputs.
• Analyze the 200kHz frequency limit to determine suitability for high-speed counting applications.
• Inspect the sourcing input type requirement for correct wiring diagram preparation and setup.
• Compare the physical footprint against recorded DIN rail space in the control cabinet layout.

• Observe the terminal block layout for the four input channels on the module front.
• Note the labeling conventions used for voltage references and common connections on the faceplate.
• Check the mounting clip design visible in images for secure attachment to standard rails.
• Review the LED indicator positions shown in product visuals for status monitoring verification.

• Prepare project documents specifying the required number of digital inputs for the automation system.
• Compile technical drawings showing the 5V DC power supply connections for the input circuitry.
• Document the expected signal frequencies to confirm the 200kHz capability meets operational needs.
• List any specific environmental conditions that might affect the module installation and operation.

• Ensure all technical parameters match the requirements of the target PLC program logic.
• Verify that the sourcing input type aligns with the existing sensor infrastructure in place.
• Cross-reference the part number with documented Siemens documentation for accurate firmware application context checks.
• Confirm that the physical dimensions fit within the designated space in the control panel.