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The Siemens 6ES7521-1BL00-0AB0 is a simatic s7-1500 module. The listed technical data shows a supply of Yes; green LED, 32 I/O points, based on the manufacturer's datasheet. It is supplied by SHLY-PLC, an independent industrial-automation distributor: every unit is visually inspected and functionally checked before dispatch, held in ready stock and shipped worldwide for maintenance, spares and retrofit use. Share your application or existing part number and our team will confirm fitment and comparable in-stock alternatives.
Technical parameters compiled from the manufacturer data sheet and reference documentation.
| Technical Specifications | |
| Type Designation | |
| PROFIBUS from GSD version/GSD revision | V1.0 / V5.1 |
| PROFINET from GSD version/GSD revision | V2.3 / - |
| Power Supply | |
| between the channels and the power supply of the | No |
| Current consumption, max. | 40 mA; 20 mA per group with 24 V DC supply |
| Monitoring of the supply voltage (PWR-LED) | Yes; green LED |
| Monitoring the supply voltage | Yes |
| Power loss, typ. | 4.2 W |
| Inputs & Outputs | |
| Channel status display | Yes; green LED |
| Digital inputs, parameterizable | Yes |
| for channel diagnostics | Yes; red LED |
| Number of digital inputs | 32 |
| Communication & Interfaces | |
| Bus cycle time (TDP), min. | 250 µs |
| Mechanical | |
| Depth | 129 mm |
| Height | 147 mm |
| Weight, approx. | 260 g |
| Environmental | |
| Installation altitude above sea level, max. | 5 000 m; Restrictions for installation altitudes > 2 000 m, see manual |
Model variants, options and firmware revisions can affect fitment. Before ordering the Siemens 6ES7521-1BL00-0AB0 simatic s7-1500 module, share your existing part number or project requirements and our team will cross-reference comparable in-stock Siemens units and verify compatibility. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for identification only.
A: Each 6ES7521-1BL00-0AB0 is inspected and functionally checked before sale. Contact us for the current stock condition and quantity.
A: In-stock orders placed before 14:00 ship the same business day. Standard worldwide delivery is about 5-8 business days, express shipping is available and orders over $500 ship free.
A: Yes. Share your existing part number or application and our technical team will verify compatibility and provide cross-references to comparable in-stock models.
6ES7521-1BL00-0AB0 · Technical reference data · Independently supplied by SHLY-PLC
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Economy shipping takes 5–8 business days, while express delivery arrives in 5–8 business days, both subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
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