Model / Part Number: 6ES7321-1BL00-0AA0
Availability subject to quotation and stock confirmationSupplied for maintenance, retrofit and replacement projects. Exact suffix, configuration and condition must be confirmed before ordering.
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Siemens SIMATIC S7-300 SM 321 digital input module with 32 DI, 24 V DC, optically isolated, arranged in 2 groups of 16, requires 40-pole front connector.
The Siemens 6ES7321-1BL00-0AA0 is a high-density SIMATIC S7-300 SM 321 digital input module designed for signal acquisition in PLC automation systems. It features 32 digital inputs operating at 24 V DC, organized into two isolated groups of 16 channels each for reliable noise immunity and signal safety.
This module connects field devices such as switches, sensors, and pushbuttons directly to the Siemens S7-300 PLC system or ET 200M distributed I/O stations. It features optical isolation from the backplane bus, compact 40 mm width, and requires a 40-pole front connector for wiring.
| Manufacturer | Siemens |
|---|---|
| Product Family | SIMATIC S7-300 |
| Model | SM 321 |
| Order Number (MPN) | 6ES7321-1BL00-0AA0 |
| Product Type | Digital Input Module |
| Number of Inputs | 32 |
| Input Voltage | 24 V DC |
| Input Type | Isolated (Optocoupler) |
| Input Current | 7 mA |
| Front Connector Requirement | 40-pin |
| Isolation | Optically isolated |
| Dimensions (W x H x D) | 40 x 125 x 120 mm |
| Weight | 0.26 kg |
| Availability & Delivery | Availability subject to quotation and stock confirmation |
|---|---|
| Lead Time | RFQ confirmation required |
| Shipping Options | Air freight, sea freight, express |
| Packaging | Secure export packaging |