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

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

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ManufacturerSiemens

Part number6ES7521-1BH50-0AA0

Channels 16

Voltage 24V DC

Input Type Sourcing

Input Delay 3.2 ms

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12-month warranty

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Veteran-owned

CAGE: 9NK75

16 digital inputs Sourcing input configuration Typical 3.2 ms input delay Input Type 3 compatibility Suitable for 24V DC systems Basic functionality

Product description

The Siemens 6ES7521-1BH50-0AA0 is a SIMATIC S7-1500 digital input module (DI) with 16 channels operating at 24V DC, identified as 'BA' for basic functionality and supporting sourcing inputs. It has an input delay of 3.2 ms and adheres to Input Type 3 (IEC 61131). The front connector, compatible with screw or push-in terminals, must be ordered separately.

This module is suitable for applications requiring 24V DC sourcing digital inputs, common in general automation, control panels, and machine building. The sourcing input configuration is key for specific wiring scenarios.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 6ES7521-1BH50-0AA0. We ensure you have access to quality surplus components to keep your automation projects on track and your operations efficient.

Technical specifications

Channels	16
Voltage	24V DC
Input Type	Sourcing
Input Delay	3.2 ms
Input Type	3 (IEC 61131)
Grouping	16 channels
Front Connector	Sold Separately

Common applications

General Automation

Control Panels

Machine Building

Industrial Control

Wiring Applications

Production Automation

Compatible systems

SIMATIC S7-1500 PLC Systems TIA Portal Engineering Software

Also known as

Siemens S7-1500 DI 16x24V BA Sourcing SIMATIC DI 16x24V DC BA Sourcing Siemens 6ES7 521-1BH50-0AA0

Replaces / compatible with

This sourcing input module is an alternative for Siemens S7-1500 systems requiring 24V DC digital inputs configured as sourcing, suitable for general automation tasks.

Technical note

Expert tip

The front connector (Type 6ES7590-1BC00-0AA0 for screw terminals or 6ES7590-1BB00-0AA0 for push-in) must be ordered separately.

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Frequently asked questions

What is a 'sourcing input' on the Siemens 6ES7521-1BH50-0AA0 module?

A sourcing input module provides the voltage to the sensor or switch. In the Siemens 6ES7521-1BH50-0AA0, the module supplies the 24V DC, and the external device connects the signal to common (ground).