6ES7221-1BH32-0XB0
SIEMENS 6ES7221-1BH32-0XB0 – SM 1221 16 DI DIGITAL INPUT MODULE
The Siemens 6ES7221-1BH32-0XB0 is a SIMATIC S7-1200 SM 1221 Digital Input Module providing 16 digital inputs for 24 V DC signals. Designed for PLC I/O expansion, this module enables additional field devices to be connected to an S7-1200 control system.
With sink/source compatibility, the SM 1221 offers flexible digital signal interfacing for sensors, switches, push buttons, limit switches and other discrete devices used in automated machinery.
PRODUCT TECHNICAL DATA
· Article Number: 6ES7221-1BH32-0XB0
· Brand: Siemens
· Automation Platform: SIMATIC S7-1200
· Module Designation: SM 1221
· I/O Type: Digital Input
· Digital Inputs: 16
· Rated Input Voltage: 24 V DC
· Input Configuration: Sink / Source
· Signal Type: Digital ON/OFF
· Application: PLC input expansion
· Product Category: Siemens S7-1200 I/O Module
WHY USE 6ES7221-1BH32-0XB0?
16-Channel Input Expansion
Provides 16 additional digital input channels for applications requiring more field signal connections.
24 V DC Industrial Interface
Designed for common 24 V DC digital control signals used throughout industrial automation panels.
Sink/Source Flexibility
The input arrangement supports different field-wiring approaches, giving engineers greater flexibility during panel design.
S7-1200 System Compatibility
Developed specifically as an expansion module for the Siemens SIMATIC S7-1200 automation platform.
Efficient I/O Management
Allows machine designers to separate additional field inputs from the CPU's integrated I/O and create a more scalable control architecture.
APPLICATION
· Automated packaging machines
· Conveyor systems
· Material handling equipment
· Assembly machines
· Industrial production lines
· Machine tools
· Filling and processing machines
· Control and monitoring panels
· OEM automation systems
· Factory automation projects
MAAN ELECTRO CONTROLS
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