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Our advantages
2.Prompt Delivery
3.We provide a large number of brand-name parts.
4.We have experienced staff and extensive test facilities.
5.There are many goods in stock.
6. We only provide the original new items, 100% make sure the best quality!
Siemens 6ES7221-1BH32-0XB0 Digital input module
Product Introduction
Product Type Designation: SM 1221, DI 16x24 V DC
Rated Value (DC): 24 V
Permissible Range (DC): 20.4 V – 28.8 V
Backplane Bus Supply: 5 V DC, max. 130 mA
Load Voltage Consumption (per channel, without load): max. 4 mA
Power Loss (typical): 2.5 W
Input Signal Levels:
Signal "0": 5 V DC at 1 mA
Signal "1": 15 V DC at 2.5 mA
Operating Temperature: -20 °C to +60 °C
Permissible Temperature Change: 5 °C to 55 °C, max. 3 °C/min
The Siemens 6ES7221‑1BH32‑0XB0 is a compact digital input expansion module designed specifically for the
SIMATIC S7‑1200 PLC series. It belongs to the SM 1221 family of I/O modules and provides 16 high‑density
digital inputs that allow an S7‑1200 controller to read field signals from switches, sensors, and other binary
devices in industrial environments. Supporting 24 V DC sink/source signal types, this module seamlessly integrates
into the S7‑1200 system with plug‑in installation and DIN‑rail mounting, ensuring reliable performance, flexible wiring,
and easy expansion of I/O capacity for machine control and process tasks
Your Inquiry, Our Priority
Contact me: Lisa
:+86 18965423501 
:sales7@amikon.cn 
:AMKPLC
WHY CHOOSE US?
1）All our products are original new with one year warranty.
2）We have DHL,UPS,TNT,FEDEX,ARAMEX,CHIRLINE,you can come to our company to pick up the goods directly.
3）As soon as we receive the payment, I will ship the products immediately.
4）After shipment, you can usually receive the goods within 3-4 days.
5）Original packing with cartons.
6）100% make sure the best quality!
7）We can ship the goods to worldwide.
Frequently asked questions
Q1:What is the earliest time when you can make delivery?
A:We will make delivery once received your payment.
Q2:Do you have branches in foreign countries?
A:No,but we sell to all over the world.
Q3:Are you manufactory or trading company?
A:Trading company.
Q4:Can you offer Technical Support?
A:No,we sell hardware,not include the technical support.
Q5:Can you supply Datasheets/Literature/Technical Literature?
A:The datasheet will be shipped together with the goods.
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or recognized by any of the listed manufacturers or trademarks. industryparts not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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