Siemens 6AG1521-1BH00-7AB0 Digital Input Module

Part number

6AG1521-1BH00-7AB0

Brand

Siemens

Category

I/O Modules

Product type

I/O Modules

Lifecycle

Active Product

Dimensions

15.00 x 15.00 x 4.5 cm

Net weight

0.278 Kg

Source category

SIPLUS SM 521 digital input modules

• The device functions as a digital input module with sixteen channels operating at 24V DC voltage levels. Keep dimensions 15.00 x 15.00 x 4.5 cm and net weight 0.278 Kg unchanged while comparing project documents and product image evidence.
• Input delay settings range from 0.05 milliseconds up to 20 milliseconds for precise timing control.
• The input type adheres to IEC 61131 standard type 3 classification for signal interpretation.
• Hardware interrupt capabilities allow for immediate response to critical input changes without polling delays.
• Integrated diagnostics provide detailed feedback on module status and individual channel signal integrity issues.
• The module is based on the 6ES7521-1BH00-0AB0 reference design with enhanced environmental protection features.

• The part number 6AG1521-1BH00-7AB0 identifies this specific variant within the Siemens automation portfolio. Use the source path Automation technology / SIPLUS digital modules / SIPLUS SM 521 digital input modules to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
• The prefix SIPLUS indicates specialized engineering for extreme environmental conditions beyond standard industrial ratings.
• The base model 6ES7521-1BH00-0AB0 serves as the foundational hardware platform for this upgraded version.
• The suffix 7AB0 distinguishes the high-frequency and coated characteristics from standard S7-1500 input modules.

Parameters are factual source fields retained for model review.

• Physical dimensions are recorded as 15.00 cm by 15.00 cm by 4.5 cm for spatial planning.
• Net weight is listed at 0.278 kg, facilitating easy handling during installation and maintenance procedures.
• Operating temperature range spans from -40 degrees Celsius to +70 degrees Celsius for versatility.
• Channel grouping consists of sixteen inputs per group, simplifying wiring and signal management tasks.
• Input delay configuration allows adjustment between 0.05 ms and 20 ms for filter tuning.

• Front view displays the terminal block layout for sixteen 24V DC digital input connections clearly.
• Side profile shows the compact form factor designed for DIN rail mounting in control cabinets.
• Labeling area presents the full part number and Siemens branding for accurate inventory identification.
• Connector details highlight the robust construction listed for frequent plugging and unplugging operations.

• Verify the required input voltage level matches the 24V DC specification for your application needs.
• Confirm that the operating environment temperature falls within the -40 to +70 degrees Celsius range.
• Check if hardware interrupt functionality is necessary for your specific control logic requirements.
• Ensure physical space constraints accommodate the 15x15x4.5 cm dimensions of the module housing.

• The conformal coating provides essential protection against humidity, dust, and chemical exposure in factories.
• High-frequency operation supports fast-switching signals requiring rapid response times in modern production lines.
• Diagnostics features enable proactive maintenance by identifying faulty inputs before system failures occur.
• Standardized IEC 61131 type 3 input ensures application context with common industrial sensor signal types.