Product Detail

Model-led sourcing for maintenance, replacement and project requirements.

Industrial Automation Component

6ES7521-1BH50-0AA0

Siemens 6ES7521-1BH50-0AA0 is a SIMATIC S7-1500 digital input module with 16 channels, 24 V DC supply, and screw terminals or push-in front connector. Confirm stock and dispatch conditions before ordering.

Reference6ES7521-1BH50-0AA0
Supply Statusin stock
Product Code
6ES7521-1BH50-0AA0
Dimensions
15.1 × 15.1 × 4.7 cm
Weight
0.275 kg
Lifecycle
Active Product
Availability
in stock
Lead Time
Confirmed with quotation
Product Attachment
Download Datasheet

Availability, condition, lead time, packing and commercial terms are confirmed for the submitted requirement.

01 / Product Features

Product Description

Key Features

  • Digital input module: SIMATIC S7-1500 digital input module DI 16×24 V DC BA with sourcing input.
  • 16 channels: 16 channels in groups of 16.
  • Front connector: Front connector with screw terminals or push-in to be ordered separately.
  • Input delay: Input delay 3.2 ms.
  • 24 V DC supply: Rated value (DC): 24 V; permissible range: 19.2 V to 28.8 V.

Technical Summary

Product type designation DI 16x24VDC SRC BA
Product function Digital input module
Number of digital inputs 16
Input delay 3.2 ms
Sourcing/sinking input Sourcing
Supply voltage, rated value (DC) 24 V
Supply voltage, permissible range, lower limit (DC) 19.2 V
Supply voltage, permissible range, upper limit (DC) 28.8 V
Power consumption from the backplane bus 0.9 W
Power loss, typ. 2.8 W
Front connector Screw terminals or push-in to be ordered separately
Isolation tested with 707 V DC (type test)

Applications

  • 24 V DC digital signal input: Reading 24 V DC input signals into a SIMATIC S7-1500 system.

Frequently Asked Questions

What is Siemens 6ES7521-1BH50-0AA0?

It is a SIMATIC S7-1500 digital input module, DI 16×24 V DC BA, with sourcing input.

How many inputs does 6ES7521-1BH50-0AA0 have?

It has 16 digital inputs.

What supply voltage does 6ES7521-1BH50-0AA0 use?

Rated value (DC) is 24 V, with a permissible range of 19.2 V to 28.8 V.

What front connector is used with 6ES7521-1BH50-0AA0?

The front connector uses screw terminals or push-in and is ordered separately.

02 / Supply and Quality Support

Supply Conditions

Send the exact model, quantity, destination and required condition. The quotation can then state the applicable supply and dispatch terms.

01

Exact Model Reference

Provide the complete Siemens order number or MLFB and the required quantity.

02

Condition and Scope

State the acceptable product condition and any documentation your company requires.

03

Packing and Dispatch

Destination and shipment needs are aligned before dispatch arrangements are confirmed.

04

Written Quotation

Current price, lead time, condition and commercial terms are stated for the request.