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SIEMENS SIMATIC S7-1500 6ES7521-1BL00-0AB0 DI 32x24 V DC HF Digital Input Module | Original New

SIEMENS SIMATIC S7-1500 6ES7521-1BL00-0AB0 DI 32x24 V DC HF Digital Input Module | Original New

SIEMENS · SIMATIC S7-1500 6ES7521-1BL00-0AB0 DI 32x24 V DC HF Digital Input Module	HIGH-DENSITY INPUT 32 DI 24 V DC · Type 3
Official description: Digital input module DI 32x24 V DC HF; 32 channels in groups of 16; two inputs can be used as counters; diagnostics and hardware interrupts; front connector ordered separately. Order check: Confirm the front connector, 16-channel potential groups and engineering version before ordering. Email Inquiry WhatsApp [email protected] \| +86 18159889985

Overview
Applications
Technical Data
Interfaces
Environment
Selection
Availability
Models
FAQ & Quote
Recommended Products

OFFICIAL PRODUCT OVERVIEW

SM 521 high-density digital input module

This S7-1500 signal module provides 32 digital 24 V DC inputs in two groups of 16. It supports parameterizable delay, diagnostics, hardware interrupts and two counter-capable channels.

Channels	32 digital inputs
Input groups	2 groups of 16
Input standard	IEC 61131 Type 3
Counter inputs	Up to 2

Applications

FUNCTION AND APPLICATION

High-density cabinet input acquisition

Use the module when an S7-1500 station requires a high channel count, diagnostic coverage and deterministic input processing in a compact signal-module position.

• Machine and process digital input signals

• Counter-capable event acquisition

• Diagnostic and hardware-interrupt applications

Technical Data

Official Technical Data

Product type	DI 32x24VDC HF
Rated input	24 V DC
Signal 0 range	-30 to +5 V
Signal 1 range	+11 to +30 V
Input current at signal 1	2.5 mA typical
Input delay	0.05 to 20 ms, parameterizable
Shielded cable length	Up to 1,000 m
Unshielded cable length	Up to 600 m

Interfaces

CONSTRUCTION

32 channels
2 groups

Connection and module details

• Front connector is ordered separately

• Screw-terminal or push-in front connector options

• Two counter-capable input channels

• Channel and module diagnostic LEDs

Environment

Protection and Operating Limits

Protection	Cabinet installation in the S7-1500 system
Horizontal operation	-30 to 60 degrees C from specified hardware status
Vertical operation	-30 to 40 degrees C from specified hardware status
Dimensions	35 x 147 x 129 mm
Approx. weight	260 g

Selection

BEFORE INSTALLATION

Plan channel groups and connector

• Confirm complete article number 6ES7521-1BL00-0AB0

• Verify two groups of 16 fit the wiring plan

• Select the correct front connector

• Check diagnostics, counters and interrupt requirements

VERIFICATION CHECKLIST

Confirm before quotation

□ Complete Siemens article number	□ Counter channel requirement
□ Existing S7-1500 CPU and rack	□ Hardware-interrupt assignment
□ Front connector type	□ Sensor quiescent current
□ Channel grouping	□ Current overall and nameplate photo

Availability

Availability and Commercial Information

Physical stock	Confirm before quotation
Condition	New, used or refurbished status is confirmed in writing
Current photos	Overall and nameplate photos available on request
Warranty	Subject to verification
Dispatch	Confirm before quotation
Testing	Test scope available on request
Payment	Supported methods confirmed on quotation
Quote response	Subject to verification
Transaction records	Company and transaction documents available on request

Models

PRODUCT CATALOG

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