Siemens 6ES7221-1BH32-0XB0 Digital Input Module

The Siemens 6ES7-221-1BH32-0XB0 is a compact 16-channel digital input module designed for seamless integration with S7-1200 CPUs. Its support for sink/source wiring makes it adaptable to a wide range of input devices, and its space-saving footprint is perfect for compact panels and distributed applications.

Technical Specifications

Model: 6ES7221-1BH32-0XB0 Siemens
Series: SIMATIC S7-1200
Module Type: SM 1221 Digital Input
Input Channels: 16 DI
Input Voltage: 24 V DC
Input Type: Sink/Source
Wiring Type: Removable terminal block
Mounting: DIN rail
Lifecycle Status: Active

Function & Application

• Purpose: Expand the input capacity of your S7-1200 automation system with this compact digital input module.
• Typical Applications:
  • Monitoring switches, sensors, and buttons
  • Standard digital signal acquisition
  • Integration in compact machines and control panels
  • Use in distributed I/O systems alongside CPUs

Performance & Features

• 16 Digital Inputs. Ideal for capturing large amounts of discrete field data.
• 24 V DC Operation. Standard voltage for industrial automation.
• Sink/Source Configurable. Versatile wiring for different input devices.
• Compact Module Size. Saves space in control cabinets.
• Seamless TIA Portal Integration. Easy configuration and diagnostics.

Recommended Accessories

• 6ES7212-1AE40-0XB0 – S7-1200 CPU 1212C, DC/DC/DC (8 DI, 6 DO, 2 AI)
• 6ES7212-1BE40-0XB0 – S7-1200 CPU 1212C, AC/DC/Relay (8 DI, 6 DO, 2 AI)
• 6EP1332-1SH71 – S7-1200 PM1207 Power Supply, 24 V DC / 2.5 A

Delivery & Compliance

• Packaging Dimensions: 9.00 × 10.90 × 6.00 cm
• Net Weight: 0.190 kg
• Packaging Quantity: 1 Piece
• Country of Origin: Germany
• Estimated Dispatch Time: 1 Working Day

Product Compliance & Classification

• RoHS Compliance: Since 15.03.2013
• WEEE Take-Back Obligation: Yes
• SCIP Number: 4c2c8780-f22d-4b96-a222-377f305ad059
• REACH Substances:
  • Lead (CAS 7439-92-1) > 0.1%
  • Lead monoxide (CAS 1317-36-8) > 0.1%
  • Bisphenol A (CAS 80-05-7) > 0.1%
• Commodity Code: 85389091
• Catalog ID: ST72
• Product Group: 4508
• Group Code: R132
• Product Class: A – Stock item, returnable
• EAN: 6940408101920
• UPC: 887621217686

Key Features & Benefits:

✅ 16 DI Channels. Perfect for larger I/O requirements in one compact unit.

✅ Sink/Source Capability. Wiring flexibility for PNP/NPN field devices.

✅ DIN Rail Mountable. Easy integration into standard enclosures.

✅ TIA Portal Compatible. Full support for Siemens engineering environment.

✅ Cost-Effective Input Expansion. Reduces footprint and wiring overhead.

📦 Order Today for Fast UK & Europe Delivery!

At Drive Outlet Megastore, we offer the most competitive Siemens 6ES7221-1BH32-0XB0 prices with speedy delivery across the UK and Europe.

Need help selecting the right digital I/O modules, CPU, or S7-1200 power supply? Talk to our Siemens automation team.

We bring your inputs online—reliably and efficiently.