Siemens Industrial Automation

6AG1521-1BH00-7AB0

Siemens 6AG1521-1BH00-7AB0 SIPLUS DI 16x24VDC HF digital input module: 16 channels, 24 V DC, diagnostics, hardware interrupts, and -40…+70 °C. Check a legacy-part verification request.

Complete Product Information
Product Code
6AG1521-1BH00-7AB0
Dimensions
15 × 15 × 4.5 cm
Weight
0.278 kg
Lifecycle
Active Product
Availability
Check availability with quotation
Lead Time
Confirmed with quotation
Product Attachment
Download technical file

Availability, lead time, condition and warranty are confirmed for each quotation.

Product Information

Technical Product Information

Product Description

Key Features

  • Product identity: SIPLUS S7-1500 DI 16x24VDC HF digital input module based on 6ES7521-1BH00-0AB0.
  • Digital inputs: 16 digital inputs in groups of 16; input characteristic curve according to IEC 61131, type 3.
  • Input voltage: Rated input voltage: 24 V DC; permissible range: 19.2 V to 28.8 V DC.
  • Diagnostics and interrupts: Diagnostics function, diagnostic alarm, hardware interrupt, supply-voltage monitoring, wire-break diagnosis, RUN, ERROR, PWR and channel-status LEDs.
  • Environmental specification: Conformal coating; temperature range: -40…+70 °C.

Applications

  • Digital signal input: The module provides 16 digital inputs for processing digital input signals.
  • Counting: The module supports up to 2 counters with a maximum counting frequency of 6 kHz.
  • Diagnostic monitoring: The module supports supply-voltage monitoring, wire-break diagnosis, diagnostic alarms and hardware interrupts.

Technical Summary

Order number 6AG1521-1BH00-7AB0
Product type DI 16x24VDC HF
Based on 6ES7521-1BH00-0AB0
Lifecycle Active Product
Digital inputs 16
Rated input voltage 24 V DC
Permissible input-voltage range 19.2 V to 28.8 V DC
Counter capacity 2 counters; maximum counting frequency: 6 kHz
Firmware version V1.0.0
Input delay 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms
Protection feature Conformal coating

Frequently Asked Questions

Which exact Siemens model should be confirmed for this digital input module?

Confirm order number 6AG1521-1BH00-7AB0 and product type DI 16x24VDC HF.

What input configuration should be checked?

Check for 16 digital inputs in groups of 16 with a rated input voltage of 24 V DC and a permissible range of 19.2 V to 28.8 V DC.

Which firmware and hardware identifiers should be matched?

Match firmware version V1.0.0 and HW functional status E01.

Which diagnostic functions are supplied?

The module has diagnostics, diagnostic alarms, hardware interrupts, supply-voltage monitoring, wire-break diagnosis, and RUN, ERROR, PWR and channel-status LEDs.

Product Information

RFQ Information

When contacting us by email, include the model or part number, quantity, brand, specifications and destination. Product or nameplate photos can help identify the requested item.

01Which product reference should I send?

Send the complete model, order number or MLFB shown on the product. Include the hardware version when it matters.

02How are supply terms confirmed?

Availability, condition, lead time, warranty and delivery terms are stated for the specific quotation.

03What helps with replacement requests?

Share the installed model, application, electrical and mechanical requirements, communication interface and a clear nameplate photo.

Product RFQ

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