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Product category: Digital Input Module

Product status: New and Original

Tariff code: 85371091

Product description:

Siemens 6ES7 521-1BL10-0AA0 Digital Input Module

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>>> 6ES7 521-1BL10-0AA0

Manufacturer: Siemens	Delivery Time: 3-5 days
Description: Digital Input Module	Quantity: 100% New Original
Product origin: Germany	Payment Methods: 100%T/T
Condition: In Stock	Minimum Order Quantity: 1pc

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Description

Series: SIMATIC S7-1500, SM521

Input Channels: 32 digital inputs (32 DI)

Input Voltage: 24 V DC (rated)

Voltage Range: Approx. 19.2 V – 28.8 V

Input Delay (typ.): Approx. 3.2 ms

Isolation/Insulation: Channel-to-backplane isolation (grouped into 16 channels)

Terminals/Connectors: Includes push-in front connector

Backplane Power Supply: Approx. 1.05 W

Typical Power Loss: Approx. 3 W

Compatibility/Compatibility: Compatible with S7-1500 architecture; can be used with CPUs and other I/O modules.

SM521 Series Overview

The SM521 series is the standard Digital Input Module (DI) series for the S7-1500 PLC, used to receive and process discrete signals in industrial control systems, such as button, limit switch, sensor, or relay outputs.

Provides 16, 32, or 64 digital inputs (depending on the model), allowing a single module to handle a large number of points.

Standard 24V DC input, compatible with most industrial switching devices.

Utilizes rear-panel power supply and front push-in terminals for easy installation and wiring.

Supports channel isolation or group isolation designs to reduce noise interference and improve system stability.

Its compact, modular design is suitable for DIN rail mounting, facilitating space management and system expansion within the control cabinet.

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