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Siemens 6ES7221-1BH50-0XB0 SIMATIC S7-1200 G2 SM 1221 16DI Digital Input Module

6ES7221-1BH50-0XB0
6ES7221-1BH50-0XB0
6ES7221-1BH50-0XB0

Siemens 6ES7221-1BH50-0XB0 SIMATIC S7-1200 G2 SM 1221 16DI Digital Input Module

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SIEMENS · SIMATIC S7-1200 G2

6ES7221-1BH50-0XB0

SM 1221 16DI Digital Input Module

MANUFACTURERSiemens
MODEL6ES7221-1BH50-0XB0
PART NUMBER6ES7221-1BH50-0XB0
PRODUCT TYPESM 1221 16DI Digital Input Module
SYSTEM FAMILYSIMATIC S7-1200 G2
ORDER SUPPORTModel Verification

INDUSTRIAL AUTOMATION SPARE PARTS PARTNER

20 Years of Experience in Industrial Automation Supply

AMIKON supplies industrial automation spare parts to maintenance, engineering and procurement teams worldwide. Our focus includes discontinued and hard-to-find DCS, PLC and TSI components, helping customers identify the correct model, source replacement parts and support urgent maintenance requirements.

Discontinued Parts SourcingModel Identification SupportGlobal Customer SupportIn-Stock Supply Support

  • Item NO.:

    6ES7221-1BH50-0XB0

  • Product Origin:

    Germany

  • Lead Time:

    IN STOCK

  • Brand/Manufature:

    Siemens

  • Product Origin:

    Germany

  • Lead Time:

    IN STOCK

  • Condition:

    Brand New And 100% Original

  • Certificate:

    Coo
Inquire Now

Siemens SIMATIC S7-1200 G2

6ES7221-1BH50-0XB0

Price and Availability Inquiry

The Siemens 6ES7221-1BH50-0XB0 is a SIMATIC S7-1200 G2 SM 1221 signal module with sixteen 24 V DC sink/source digital inputs.

Sales SupportDirect specialist contact
QuotationCurrent commercial details
DeliveryDHL · FedEx · UPS
Fast quotation support Send the model and required quantity directly to Lisa Lin using the contact options on the right.

Your AMIKON Contact

LL Lisa LinSales Specialist
WhatsApp +86 18965423501
Request a Quote on WhatsApp Send Email Inquiry
For faster service, please include the model 6ES7221-1BH50-0XB0 and required quantity in your inquiry.

Siemens 6ES7221-1BH50-0XB0

Technical Specifications

Identification, channel, input-signal and mechanical data for the SM 1221 16DI module.

01Product IdentityCore product information
ManufacturerSiemens
Article number6ES7221-1BH50-0XB0
Product designationSM 1221 DI 16×24 V DC
Product familySIMATIC S7-1200 G2
02Digital InputsChannel and signal data
Number of inputs16
Input grouping4 channels per group
Rated input voltage24 V DC
Input characteristicIEC 61131 Type 1
03Input PerformanceCurrent and filtering data
Signal-1 currentTypical 4.1 mA
Signal-1 threshold15 V DC at 2.5 mA
Signal-0 limit5 V DC or 0.5 mA
Input delay0.2–12.8 ms configurable
04Mechanical DataInstallation and enclosure data
Module width30 mm
Dimensions30 × 125 × 100 mm
Net weightApprox. 166 g
Typical power loss3.2 W

Siemens 6ES7221-1BH50-0XB0 Product Support

Frequently Asked Questions

Product-specific configuration, application and ordering guidance for 6ES7221-1BH50-0XB0.

01

Can the inputs be wired as sink or source?

The module supports 24 V DC sink/source input wiring when connected according to the S7-1200 G2 manual.

02

How are the sixteen inputs grouped?

The inputs are arranged in groups of four for configuration and delay selection.

03

Which input delays can be configured?

Selectable standard-input delays range from 0.2 ms to 12.8 ms in documented steps.

04

Is a separate front connector required?

The official technical data states that a separate front connector is not required for this module.

05

What should be checked for long cables?

Review shielding, route separation, cable length limits and input-filter settings for the installation.

06

How is the module identified during commissioning?

Use the complete article number and confirm that the project uses the S7-1200 G2 hardware catalog entry.

07

What should an inquiry include?

Provide the full model, CPU model, quantity, wiring method and clear product-label photos.

Order Fulfilment

Payment and Worldwide Delivery

AMIKON coordinates product verification, commercial confirmation, packing and international shipment for industrial automation parts. Each order is handled according to the confirmed model, quantity and delivery destination.

01

Order Confirmation

Model, part number, quantity, availability, lead time and payment terms are confirmed in the formal quotation or proforma invoice.

02

Product Preparation

The item reference is checked before dispatch. Packaging is selected to protect industrial components during international transport.

03

International Shipping

Shipment can be arranged through DHL, FedEx or UPS according to the destination, parcel size and confirmed order requirements.

04

Dispatch and Tracking

Dispatch information and the available tracking reference are shared after the shipment has been collected by the selected carrier.

AMIKON Service Standards

Support at Every Stage of Your Order

Clear assistance from initial product identification through dispatch and after-sales communication.

01
Product IdentificationThe manufacturer, complete model and part-number details are reviewed before quotation.
02
Dedicated Sales ContactLisa Lin provides quotation and order communication through email and WhatsApp.
03
Order DocumentationCommercial, packing and shipment details are supplied according to the confirmed order.
04
After-Sales CommunicationFor support, provide the order reference, product label, fault description and clear photos.
05
Pre-Dispatch VerificationThe product label, model reference, quantity and visible condition are checked against the confirmed order before packing.
06
Global Logistics CoordinationInternational express or freight arrangements are coordinated according to the destination, shipment size and confirmed delivery terms.
Important delivery information

Product availability, dispatch date, freight cost and delivery time depend on the confirmed order and destination. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order. Please contact AMIKON for current commercial and shipping details.

AMIKON Professional Services

Warranty, Sourcing and Global Export Support

With 20 years of experience in industrial automation, AMIKON supplies discontinued and hard-to-find DCS, PLC and TSI spare parts to customers worldwide.

01 · WARRANTY

12-Month Product Warranty

Products supplied by AMIKON include a standard 12-month warranty. Warranty handling is based on the confirmed order, product label, fault information and supporting photos or videos.

02 · SPECIALIST SOURCING

Discontinued and Hard-to-Find Parts

Our sourcing service focuses on industrial automation DCS, PLC and TSI spare parts, including obsolete, discontinued and scarce models required for maintenance and replacement projects.

03 · GLOBAL EXPORT LOGISTICS

One-Stop International Shipping

AMIKON can coordinate domestic export customs procedures and arrange international express or sea freight. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order.

04 · TECHNICAL INFORMATION

Model and Specification Support

We assist customers with model identification, specification review, compatibility checks and Datasheet or manual searches. Support also includes distinguishing earlier and later model versions and checking whether a submitted model reference is complete and correctly written.

05 · PRE-DISPATCH CHECK

Product Verification Before Shipment

The product label, complete model, part number, quantity and visible condition are reviewed against the confirmed order before packing.

06 · INDUSTRIAL PACKAGING

Secure Packing for International Transit

Packaging is selected according to the component type, shipment size and transport method to support safe international handling.

07 · ORDER DOCUMENTATION

Commercial and Shipping Documents

Commercial invoices, packing lists and available origin information can be prepared according to the confirmed order and destination requirements.

08 · AFTER-SALES SUPPORT

Responsive Order Follow-Up

For order support, customers can provide the order reference, product label, issue description and clear photos for review by the AMIKON team.

Need help identifying a spare part?Send the complete manufacturer, model, part number and clear product-label photos to Lisa Lin.

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