Sixteen-channel S7-1500 digital input module for 230 V AC signals, grouped wiring and dependable control cabinet integration.
The Siemens 6ES7521-1FH00-0AA0 is a SIMATIC S7-1500 SM 521 digital input module for sixteen 230 V AC input channels arranged in groups of four. Siemens specifies a 20 ms input delay and input type 1 according to IEC 61131. The required front connector, using screw terminals or push-in technology, is ordered separately. This module is intended for S7-1500 control cabinets that must acquire compatible AC field signals. For replacement or project supply, confirm the complete article number, field voltage, channel grouping, connector selection, wiring plan, installed CPU configuration and required hardware revision before ordering.
| Field | Confirmed or Ordering Information |
|---|---|
| Manufacturer | Siemens |
| Complete Part Number | 6ES7521-1FH00-0AA0 |
| Product Type | Digital input module DI 16x230 V AC BA |
| Series | SIMATIC S7-1500 SM 521 |
| Model Configuration | 16 channels in groups of 4; 20 ms input delay; input type 1; front connector ordered separately |
| Product Condition | NEW |
| Hardware / Firmware Revision | Contact us to confirm. |
| Country of Origin | GERMANY |
| Availability / Warranty | Availability confirmed by quotation; with 1 year warranty. |
| Shipping | Worldwide shipping options confirmed for the destination. |
Match the complete Siemens article number and available product label.
Review electrical, interface and configuration requirements against the installed system.
Record revision, accessory, wiring and software details before replacement approval.
Request written availability, condition, warranty and shipping confirmation.
The complete suffix 6ES7521-1FH00-0AA0 is essential. A similar series name does not confirm electrical, mechanical, firmware or software compatibility. Provide original label photos and system documentation for a replacement review.
Please contact us to confirm the exact revision, firmware version, condition and availability before ordering.
It is a Siemens Digital input module DI 16x230 V AC BA in the SIMATIC S7-1500 SM 521 product family.
Compare the full suffix, system configuration, interfaces, accessories, wiring and required revision with the installed equipment.
Availability is checked for the requested quantity at quotation time.
Available product and label photos can be confirmed during the quotation process.
Worldwide shipping can be arranged subject to destination, carrier, packing and trade terms.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Our service workflow is centered on the complete 6ES7521-1FH00-0AA0 article number and the buyer's installed configuration. Technical and commercial details are confirmed in writing.
| Service Stage | What We Check |
|---|---|
| Model control | Complete article number, suffix, label, quantity and requested revision. |
| Condition confirmation | NEW condition and available product or label photo review. |
| Compatibility review | System, electrical, interface, accessory and configuration requirements. |
| Protective packing | Suitable protection, cushioning and export packaging for the agreed route. |
| Worldwide dispatch | Carrier option, freight cost, tracking and customs documentation. |
| Written warranty | One-year warranty terms, return authorization and after-sales response route. |
Send the exact model, required quantity, destination and available product label photos for written confirmation.
Each entry is an independent product and is not presented as a direct replacement for 6ES7521-1FH00-0AA0. Confirm the manufacturer, complete part number, revision and compatibility before ordering.
| 70 Advantage Models | ||||
|---|---|---|---|---|
| 6DR2800-8R | 6EP1331-1SL11 | 6EP1331-2BA10 | 6EP1332-1SH42 | 6EP1332-1SH71 |
| 6EP1332-2BA20 | 6EP1332-4BA00 | 6EP1332-5BA00 | 6EP1334-1LB00 | 6EP1961-2BA00 |
| 6EP1961-3BA21 | 6EP3436-8SB00-0AY0 | 6ES5375-1LA41 | 6ES5460-4UA13 | 6ES7131-1BL01-0XB0 |
| 6ES7131-6BF00-0DA0 | 6ES7134-6HD00-0BA1 | 6ES7138-4FA02-0AB0 | 6ES7141-6BF00-0AB00 | 6ES7157-0AA82-0XA0 |
| 6ES7195-7HB00-0XA0 | 6ES7195-7HD80-0XA0 | 6ES7195-7KF00-0XA0 | 6ES7197-1LB00-0XA0 | 6ES7214-1AD22-0XB0 |
| 6ES7221-1BF32-0XB0 | 6ES7222-1BF32-0XB0 | 6ES7231-4HD30-0XB0 | 6ES7232-4HB32-0XB0 | 6ES7241-1CH30-0XB0 |
| 6ES7307-1EA01-0AA0 | 6ES7321-1BH02-0AA0 | 6ES7322-1BL00-0AA0 | 6ES7323-1BL00-0AA0 | 6ES7326-1BK01-0AB0 |
| 6ES7331-7NF00-0AB0 | 6ES7350-1AH03-0AE0 | 6ES7360-3AA01-0AA0 | 6ES7392-1AM00-0AA0 | 6ES7403-1JA01-0AA0 |
| 6ES7421-7BH01-0AB0 | 6ES7422-1HH00-0AA0 | 6ES7422-7BL00-0AB0 | 6ES7431-0HH00-0AB0 | 6ES7431-1KF10-0AB0 |
| 6ES7521-1BL00-0AB0 | 6ES7522-1BL01-0AB0 | 6ES7532-5NB00-0AB0 | 6ES7648-6AA03-5YA0 | 6ES7648-6CA05-0YX0 |
| 6ES7650-1AL11-6XX0 | 6ES7658-1GX08-2YT7 | 6ES7972-0BA12-0XA0 | 6ES7972-0BA52-0XA0 | 6ES7972-0BB12-0XA0 |
| 6ES7972-0CB35-0XA0 | 6ES7972-0DA00-0AA0 | 6FX5002-5CN01-1BA0 | 6GK1102-4AA00 | 6AG1055-1MB00-2XB1 |
| 6AG1055-1NB10-2BA0 | 6AG1195-7HB00-7XA0 | 6AG1195-7HD10-2XA0 | 6AG1222-1BF22-2XB0 | 6AG1241-1AH30-2XB0 |
| 6AG1241-1AH32-2XB0 | 6AG1321-1BL00-2AA0 | 6AG1322-1BL00-2AA0 | 6AV3688-3EH47-0AX0 | 6AV3688-4EY07-0AA0 |
Send the exact model, quantity and destination for written availability, condition and shipping confirmation.
