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Siemens SIPLUS S7-1500 DI 16x110VDC HF Module 6AG2521-7EH00-4AB0

Siemens SIPLUS S7-1500 Digital Input Module, 16 channels, 110VDC.

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ManufacturerSiemens

Part number6AG2521-7EH00-4AB0

Channels 16 Digital Inputs

Voltage 110VDC

Temperature Range -40°C to +70°C

Coating Conformal Coating

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16 x 110VDC digital inputs Conformal coating for harsh environments Extended temperature range (-40°C to +70°C) Diagnostics and hardware interrupts IEC 61131 Type 3 input type Rail-based mounting

Product description

The Siemens SIPLUS S7-1500 DI 16x110VDC HF module (6AG2521-7EH00-4AB0) is an industrial digital input module designed for harsh environmental conditions. Based on the standard 6ES7521-7EH00-0AB0, this SIPLUS version features conformal coating for enhanced protection against moisture and contaminants. It offers 16 digital input channels, operating at 110VDC, and is rated for an extended temperature range of -40°C to +70°C, with transient overload capabilities.

This module is part of the S7-1500 automation system, providing reliable signal acquisition for industrial processes. Key features include diagnostics capabilities, hardware interrupts for fast response to critical events, and input delays adjustable from 0.05 to 20 ms. The input type conforms to IEC 61131 Type 3 standards, ensuring compatibility with a wide range of sensors and switches.

Stanlo Automation, a veteran-owned supplier of surplus automation parts, offers the Siemens SIPLUS S7-1500 DI 16x110VDC HF module. Equip your automation systems with this rugged input module, backed by Stanlo's commitment to quality and service.

Technical specifications

Channels	16 Digital Inputs
Voltage	110VDC
Temperature Range	-40°C to +70°C
Coating	Conformal Coating
Diagnostics	Yes
Interrupts	Hardware
Input Delay	0.05-20 ms
Manufacturer	Siemens
Series	SIPLUS S7-1500

Common applications

Process control

Manufacturing automation

Hazardous environments

Outdoor installations

High-humidity areas

Extreme temperature applications

Compatible systems

Siemens SIMATIC S7-1500 PLC system Requires compatible S7-1500 CPU and backplane.

Also known as

Siemens 6AG2521-7EH00-4AB0 SIPLUS S7-1500 DI 16x110VDC Siemens HF Digital Input

Replaces / compatible with

This SIPLUS module is a hardened version of the Siemens 6ES7521-7EH00-0AB0, offering enhanced environmental protection for demanding applications.

Technical note

Expert tip

The 'HF' in the part number indicates High Functionality, meaning it supports diagnostics and hardware interrupts, crucial for advanced process monitoring and control.

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Frequently asked questions

What makes the Siemens SIPLUS S7-1500 DI module 6AG2521-7EH00-4AB0 suitable for harsh environments?

The SIPLUS S7-1500 DI module 6AG2521-7EH00-4AB0 is designed for harsh environments due to its conformal coating, which protects against moisture and corrosive elements, and its extended operating temperature range of -40°C to +70°C.