Siemens 6AG1421-1BL01-2AA0 SIPLUS S7-400 Digital Input Module

Part number

6AG1421-1BL01-2AA0

Brand

Siemens

Category

PLC CPUs & Controllers

Product type

SIPLUS S7-400 SM 421 32DI based on 6ES7421-1BL01-0AA0 with conformal coating, -25…+60 °C

Lifecycle

Phase Out Announce

Dimensions

30.00 x 23.00 x 3.8 cm

Net weight

0.773 Kg

Source category

SIPLUS S7-400 SM 421

• This module provides thirty-two digital inputs for reliable signal acquisition in automated control systems. Keep dimensions 30.00 x 23.00 x 3.8 cm and net weight 0.773 Kg unchanged while comparing project documents and product image evidence.
• Conformal coating protects internal circuitry from humidity, dust, and corrosive atmospheric elements effectively.
• Operational temperature range extends from negative twenty-five degrees Celsius to positive sixty degrees Celsius.
• Physical dimensions measure approximately thirty centimeters in length, twenty-three centimeters in width, and three point eight centimeters in depth.
• Net weight of the unit is recorded at zero point seven seven three kilograms for handling purposes.
• Lifecycle status indicates a Phase Out Announce, requiring careful planning for future system integration projects.

• Identify the product by the primary part number 6AG1421-1BL01-2AA0 in all technical documentation reviews. Use the source path Automation technology / SIPLUS S7-400 digital modules / SIPLUS S7-400 SM 421 to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
• Note the base model reference 6ES7421-1BL01-0AA0 which serves as the foundational hardware platform.
• Recognize the SIPLUS branding as indicating enhanced environmental protection and extended specification compliance.
• Verify the class B designation which implies specific review restrictions and review contacts contact requirements.

Parameters are factual source fields retained for model review.

• Review the electrical specifications for the thirty-two digital input channels during initial project assessment.
• Check the operating temperature limits to ensure suitability for the intended installation environment conditions.
• Examine the physical dimensions and weight data for rack mounting and logistics planning considerations.
• Analyze the lifecycle phase status to determine long-term review details and spare part record strategy timelines.
• Confirm the conformal coating application details for resistance against specific industrial chemical exposures.

• Inspect visual representations for labeling clarity showing the full Siemens part number accurately.
• Verify connector types and terminal block configurations visible in provided product imagery sources.
• Check for any physical damage indicators or wear signs on the housing structure shown.
• Ensure the conformal coating appearance matches the described protective layer specifications in images.

• Prepare project documents specifying the required quantity and intended application environment for this module.
• Gather existing system schematics to confirm interface requirements with the S7-400 CPU backplane bus.
• Document any specific environmental challenges such as extreme temperatures or high humidity exposure levels.
• Compile technical contact information for Siemens review contacts regarding the Class B review restriction policy.

• Cross-reference the part number with documented Siemens documentation for the most current technical updates.
• Evaluate the Phase Out Announce status against long-term maintenance and support requirements carefully.
• Assess the Class B review restriction implications for inventory management and inquiry preparation workflows.
• Confirm the dimensional and weight data aligns with physical space constraints in control cabinets.