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Siemens SIMATIC S7-1500 Digital Input Module DI 16x24V DC BA

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ManufacturerSiemens

Part number6ES7521-1BH10-0AA0

Channels 16

Voltage 24V DC

Input Delay Typ. 3.2 ms

Input Type 3 (IEC 61131)

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12-month warranty

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16 digital inputs Basic functionality Typical 3.2 ms input delay Input Type 3 compatibility Tool-free push-in connection Easy installation

Product description

The Siemens 6ES7521-1BH10-0AA0 is a SIMATIC S7-1500 digital input module (DI) with 16 channels operating at 24V DC, designated as 'BA' for basic functionality. It features a typical input delay of 3.2 ms and supports Input Type 3 (IEC 61131). This module comes complete with a push-in front connector, simplifying installation.

This module is suitable for standard digital input tasks in various industrial automation and control applications where a moderate response time is acceptable. Its included push-in connector offers quick and tool-free wiring.

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Technical specifications

Channels	16
Voltage	24V DC
Input Delay	Typ. 3.2 ms
Input Type	3 (IEC 61131)
Grouping	16 channels
Front Connector	Push-in (included)

Common applications

General Automation

Control Panels

Machine Building

Industrial Automation

Assembly Lines

Production Monitoring

Compatible systems

SIMATIC S7-1500 PLC Systems TIA Portal Engineering Software

Also known as

Siemens S7-1500 DI 16x24V BA SIMATIC DI 16x24V DC BA Siemens 6ES7 521-1BH10-0AA0

Replaces / compatible with

This basic digital input module is suitable for general-purpose applications within the S7-1500 system, replacing standard 16-channel 24V DC input modules where advanced features are not required.

Technical note

Expert tip

The included push-in front connector allows for quick and reliable wiring of the 16 digital input channels.

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Frequently asked questions

Does the Siemens 6ES7521-1BH10-0AA0 come with a front connector?

Yes, the Siemens 6ES7521-1BH10-0AA0 digital input module is delivered including a push-in front connector, simplifying wiring and installation.