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SIMATIC S7-300 SM 321, DI 32x24 V DC
In stock: No
Vendor stock: Yes
Minimal order quantity: 1
Price (excl. VAT):
368,23 €
per pcs
EAN: 4025515060772
MPN: 6ES7321-1BL00-0AA0
Box: 1
Estimate delivery time at our warehouse (approx.):
4-6 weeks
Technical Information
| Item condition | New |
| Manufacture name | SIMATIC S7-300 SM 321, DI 32x24 V DC |
| Brand | Siemens |
| Categories |
PLC Units & I/O Modules
|
| Country of origin | DE |
| Harmonized System Code | 8538 9091 00 |
| Number of digital inputs | 32 |
| Number of digital outputs | 0 |
| Voltage type of supply voltage | DC |
| Output current | 0 A |
| Type of digital output | None |
| Type of electric connection | Screw-/spring clamp connection |
| Supply voltage DC | 20.4-28.8 V |
| Digital inputs configurable | Yes |
| Digital outputs configurable | No |
Packing details
| Packing level 1 | 4025515060772 |
| Packing level 2 | 4025515060772 |
Other Technical data
| Width | 40 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Input current at signal 1 | 7 mA |
| Suitable for safety functions | No |
| Time delay at signal exchange | 1.2-4.8 ms |
| Type of voltage (input voltage) | DC |
| Redundancy | Yes |
| Short-circuit protection, outputs available | No |
| Explosion safety category for gas | ATEX gas-ex-protection, Cat. 3G |
| Explosion safety category for dust | None |
| Appendant operation agent (Ex ia) | No |
| Appendant operation agent (Ex ib) | No |
| Permitted voltage at input | -30-30 V |
Description
This component functions as a device for controlling, switching, or monitoring electrical circuits within automated systems. It facilitates interaction between various parts of the system without manual intervention. Typically used in industrial environments where precision and reliability are critical.
### Electrical Specifications
Rated operating voltage range supports standard system demands up to 250V AC/DC depending on configuration — ensure source compatibility. Current load thresholds vary based on the relay type integrated into the design; overload protection may require external circuitry.
### Connectivity & Mounting
Mounting requires DIN rail compliance — standard mounting clips included, no additional housing necessary for most setups. Terminal arrangement: numbered for clarity, screw connections secure wires with appropriate torque settings (refer specifications). Installation must follow indoor environmental requirements only.
- Designed exclusively for use in low-voltage configurations below specified max ratings.
- Not suitable for outdoor exposure due to non-weatherproof casing.
- Operates within temperature range listed: check datasheet if uncertain.
- Must be installed according to IEC directives related equipment classification.