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SIEMENS · PRODUCT DETAILS

Siemens 6ES7521-1FH00-0AA0 SIMATIC S7-1500 DI 16x230V AC BA Digital Input Module

Sixteen 230 V AC digital inputs for S7-1500 signal acquisition.

SIMATIC S7-1500

CONDITIONNew Original

WARRANTYOne year

☎ +86 17359287459 ✉ sales9@apterpower.com

Product snapshot

The DI 16x230V AC BA module receives mains-voltage discrete input signals in an S7-1500 system.

It supports control cabinets that require direct sensing of compatible AC field contacts.

System fit

The module presents AC field-state information to the controller.

Verify protection, grouping and front-connector assignments against the project documentation.

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Operation, protection & changeover

Practical checks for SIMATIC S7-1500 installations

◇ Diagnostics & Protection

Check channel status and field supply before tracing faults to the module.

Observe the specified insulation and wiring requirements for 230 V AC circuits.

↗ Installation & Upgrades

Confirm the front connector and configured S7-1500 hardware catalog entry.

Isolate field voltage before installation and restore channel assignments during commissioning.

Official technical data

Digital inputs16	Rated input230 V AC	Input delay20 ms
Horizontal operation0 to 60 °C	Vertical operation0 to 40 °C	Width35 mm
Height147 mm	Depth129 mm	Approx. weight300 g

Source: Siemens technical data for 6ES7521-1FH00-0AA0. Only exact-order-code facts are listed.

Platform context & applications

Siemens brand characteristics

Siemens SIMATIC I/O families provide documented station types for structured industrial automation projects.

SIMATIC S7-1500 provides digital input module functionality within the documented SIMATIC platform.

Maintaining the exact order code and project configuration supports orderly service and replacement.

Application fields

230 V AC discrete signal acquisition.

S7-1500 machine and plant control cabinets.

Replacement in documented DI 16x230V AC BA installations.

Recommended models

Siemens

6ES7132-0BH00-0XB0	6ES7132-0BH10-0XB0	6ES7132-0BL00-0XB0	6ES7131-0BH00-0XB0
6ES7133-0BH00-0XB0	6ES7141-6BH00-0AB0	6ES7142-6BH00-0AB0	6ES7132-4BD31-0AA0
6ES7132-4BF50-0AA0	6ES7322-1HF10-0AA0	6ES7322-1FH00-0AA0	6ES7422-1BH10-0AA0
6ES7422-1FH00-0AA0	6ES7522-1BF00-0AB0	6ES7521-1FH00-0AA0	6ES7954-8LL03-0AA0
6ES7231-5ND32-0XB0	6ES7123-1GB00-0AB0	6ES7144-5KD00-0BA0	6ES7952-1AK00-0AA0

Beckhoff

EL1002	EL1004	EL1008	EL1012
EL1014	EL1018	EL1809	EL1889
EL2002	EL2004	EL2008	EL2024
EL2809	EL3002	EL3054	EL3064
EL4002	EL4004	EL4102	EL5101

Model references only; verify electrical and mechanical compatibility before substitution.

Quote & service notice

Quote

For a checked quotation, provide the complete order code, required quantity and delivery destination. Availability, lead time and exact configuration can then be confirmed before purchase.

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