6ES7521-1BP00-0AA0 SIMATIC S7-1500 Digital Input Module

Part number

6ES7521-1BP00-0AA0

Brand

Siemens

Category

I/O Modules

Product type

SM 521 digital input modules

Lifecycle

Active Product

Dimensions

15.1 x 15.1 x 4.7 cm

Net weight

0.296 Kg

Source category

SM 521 digital input modules

• Input voltage specification is recorded as twenty-four volts DC for standard digital signal acquisition. Keep dimensions 15.1 x 15.1 x 4.7 cm and net weight 0.296 Kg unchanged while comparing project documents and product image evidence.
• Total channel count is listed as sixty-four inputs organized in groups of sixteen channels each.
• Typical input delay is noted as three point two milliseconds for signal processing timing.
• Input type classification follows IEC 61131 standard type three for sinking and sourcing modes.
• Module width dimension is specified as thirty-five millimeters for standard DIN rail mounting integration.
• Physical dimensions are recorded as fifteen point one by fifteen point one by four point seven centimeters.

• Brand designation is identified as Siemens within the SIMATIC S7-1500 product family line. Use the source path Automation technology / Digital modules / SM 521 digital input modules to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
• Product class is categorized as a digital input module for discrete signal processing tasks.
• Lifecycle status is listed as active product indicating ongoing manufacturing and support review details.
• Model identifier includes the specific suffix BA denoting the particular hardware revision version.

Parameters are factual source fields retained for model review.

• Net weight is documented as zero point two nine six kilograms for shipping calculations. Check product-owned images, label text, connector area, and submitted model references against the exact 6ES7521-1BP00-0AA0 record before publication.
• Channel grouping structure allows for sixteen inputs per group for logical signal organization.
• Sinking and sourcing input types provide flexibility for connecting various industrial sensor technologies.
• Cables and terminal blocks are noted as separate accessories to be request independently.

• Front view displays the module label with the full part number sixes seven five two one. Review Siemens 6ES7521-1BP00-0AA0 as SM 521 digital input modules with source category SM 521 digital input modules, recorded lifecycle Active Product, and submitted model identity.
• Side profile shows the compact thirty-five millimeter width listed for dense rack installations.
• Terminal block area indicates connection points for the sixty-four individual input channels.
• Mounting clip mechanism is visible on the rear for secure DIN rail attachment.

• Verify the required number of input channels matches the sixty-four channel capacity of this unit.
• Confirm the control system voltage aligns with the twenty-four volts DC input specification.
• Check if additional terminal blocks or cables are needed for the specific wiring setup.
• Review project documentation to ensure the sinking or sourcing mode meets circuit requirements.

• Ensure all physical dimensions fit within the designated control cabinet space constraints.
• Cross-reference the input delay specification with the required scan time of the PLC.
• Validate that the net weight does not exceed the load capacity of the mounting rail.
• Confirm the active product status aligns with long-term maintenance and support project goals.