Product Parameters

Product Code: 6AG1221-1BH32-2XB0
Dimensions: 10.7 × 8.9 × 5.9 cm
Weight: 0.198 kg
Lifecycle: Active Product
Availability: in stock
Lead Time: Confirmed with quotation
Product Attachment: Download Datasheet

Product Details

Technical Summary

Product type designation	SM 1221, DI 16×24 V DC
Based on	6ES7221-1BH32-0XB0
Number of digital inputs	16
Rated value (DC)	24 V
Supply voltage permissible range, lower limit (DC)	20.4 V
Supply voltage permissible range, upper limit (DC)	28.8 V
Input current from backplane bus 5 V DC, max.	130 mA
Power loss, typ.	2.5 W
Input characteristic curve in accordance with IEC 61131, type 1	Yes
Input voltage for signal "0"	5 V DC at 1 mA
Input voltage for signal "1"	15 V DC at 2.5 mA
Operating temperature	-40 °C; = Tmin (incl. condensation/frost); start-up @ -25 °C

Key Features

SIPLUS S7-1200 SM 1221 module
Digital input module for the SIMATIC S7-1200 family.

16 digital inputs
Product type designation: SM 1221, DI 16×24 V DC.

24 V DC input ratings
Rated value (DC): 24 V. Input voltage for signal "0": 5 V DC at 1 mA. Input voltage for signal "1": 15 V DC at 2.5 mA.

Conformal coating
Designed with conformal coating for industrial process technology use.

Temperature range
-40…+70 °C operating temperature, with start up -25 °C.

Front connector required
Connection method requires a front connector.

Applications

24 V DC digital signal input
Connection of 16 x 24 V DC digital input signals to a SIMATIC S7-1200 station.

Frequently Asked Questions

What is Siemens 6AG1221-1BH32-2XB0?

It is a SIPLUS S7-1200 SM 1221 digital input module with 16 DI.

How many digital inputs does 6AG1221-1BH32-2XB0 have?

It has 16 digital inputs.

What are the supply voltage limits for 6AG1221-1BH32-2XB0?

The rated value is 24 V DC, with a permissible range from 20.4 V DC to 28.8 V DC.

Does 6AG1221-1BH32-2XB0 require a front connector?

Yes, a front connector is required.

Selection guidance

Confirm the right fit before purchase

We help procurement and maintenance teams turn a partial label or project requirement into a clear model-check request.

01

Model identification

Share the complete model, MLFB or a clear nameplate photo so we can review the product identity.

02

System context

Tell us whether the requirement is for a replacement, cabinet build, expansion or maintenance spare.

03

Commercial check

We confirm quantity, condition, destination, lead time and quotation terms for your order.

Request a quotation

Check supply details for 6AG1221-1BH32-2XB0

Use the form to send the model, quantity, destination and your requirement. We normally reply within one business day with the available quotation details.

The product model is filled in automatically.
Add version, interface or replacement questions in the message field.
For a partial label, attach the available model details or product photos by email after submitting.

Product RFQ6AG1221-1BH32-2XB0

6AG1221-1BH32-2XB0 SIPLUS S7-1200 Solutions

Technical Summary

Key Features

Applications

Frequently Asked Questions

Model identification

System context

Commercial check

Check supply details for 6AG1221-1BH32-2XB0

6AG2137-6BD00-1BA0

6AG1532-5HD00-7AB0

6AG1231-5PD32-4XB0

6AG1212-1AE40-4XB0