Home › Manufacturers › Siemens › 6AG1221-1BH32-2XB0

Siemens

Siemens SIPLUS S7-1200 SM 1221 16DI -40+70C

Siemens SIPLUS S7-1200 SM 1221 16DI digital input module with conformal coating.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number6AG1221-1BH32-2XB0

Type Digital Input Module (DI)

Series S7-1200 SIPLUS

Channels 16 DI

Voltage 24 V DC

Get a price for 6AG1221-1BH32-2XB0

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

16 Digital Inputs Conformal Coating Wide Temperature Range (-40 to +70 °C) 24V DC Operation Sink/Source Capability SIPLUS for Harsh Environments

Product description

The Siemens SIPLUS S7-1200 SM 1221 16DI (Part Number: 6AG1221-1BH32-2XB0) is a digital input signal module with 16 channels, designed for the S7-1200 PLC system. Based on the 6ES7221-1BH32-0XB0, this SIPLUS version features conformal coating for enhanced protection in harsh environments and operates in an extended temperature range of -40°C to +70°C, with startup at -25°C. It provides 16 digital inputs, each rated for 24V DC, supporting both sink and source configurations.

This signal module is engineered for demanding industrial applications where environmental conditions are challenging, such as in process industries, outdoor installations, or areas with high humidity and dust. Its 24V DC inputs are standard for digital signal acquisition in automation systems.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 6AG1221-1BH32-2XB0 SIPLUS S7-1200 module. Secure reliable and robust I/O components for your Siemens PLC systems from Stanlo Automation.

Technical specifications

Type	Digital Input Module (DI)
Series	S7-1200 SIPLUS
Channels	16 DI
Voltage	24 V DC
Temperature Range	-40 to +70 °C
Coating	Conformal
Configuration	Sink/Source

Common applications

Harsh Industrial Environments

Process Automation

Manufacturing Control

Outdoor Installations

Water Treatment

Chemical Plants

Compatible systems

Siemens S7-1200 PLC Systems

Also known as

SIPLUS S7-1200 SM 1221 16DI Siemens SM 1221 Module 6AG1221-1BH32-2XB0 Digital Input

Replaces / compatible with

This SIPLUS module is based on the standard 6ES7221-1BH32-0XB0, providing enhanced environmental resilience. It is designed to replace the non-SIPLUS version in demanding applications.

Technical note

Expert tip

The conformal coating on the 6AG1221-1BH32-2XB0 provides crucial protection against condensation and corrosive atmospheres, extending the module's lifespan in challenging industrial settings.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the operating temperature range for the Siemens 6AG1221-1BH32-2XB0 SIPLUS S7-1200 module?

The Siemens 6AG1221-1BH32-2XB0 SIPLUS S7-1200 SM 1221 module is designed for harsh environments and operates in an extended temperature range of -40°C to +70°C, with startup possible at -25°C.