6ES7221-1BF32-0XB0
Siemens 6ES7221-1BF32-0XB0 – SIMATIC S7-1200 SM 1221 Digital Input Module
The 6ES7221-1BF32-0XB0 is a Siemens SIMATIC S7-1200 SM 1221 digital input expansion module designed to extend the discrete signal handling capability of an S7-1200 PLC system. It provides 8 digital input channels for 24 V DC field signals and supports both sink and source input configurations, making it suitable for a wide range of industrial sensor and switching applications.
PRODUCT HIGHLIGHTS
· Siemens Article No.: 6ES7221-1BF32-0XB0
· PLC Family: SIMATIC S7-1200
· Module: SM 1221
· Signal Type: Digital Input
· Input Capacity: 8 DI
· Nominal Input Voltage: 24 V DC
· Input Logic: Sink / Source
· Input Groups: 2
· IEC 61131 Type: Type 1 input characteristic
· Signal “1” threshold: Minimum 15 V DC
· Signal “0” threshold: Maximum 5 V DC
· Typical Power Dissipation: 1.5 W
· Module Dimensions: 45 × 100 × 75 mm
· Approx. Weight: 170 g
TECHNICAL ADVANTAGES
Flexible Signal Wiring: Supports sink/source input arrangements for greater wiring flexibility
Selectable Input Filtering: Input delay can be configured from 0.2 ms to 12.8 ms, allowing the module to accommodate different signal conditions
Compact Expansion: The 45 mm wide module provides additional digital inputs while maintaining a compact S7-1200 control-panel footprint
Reliable 24 V DC Interface: Designed for standard industrial 24 V DC digital signals with defined logic thresholds for reliable signal detection
WHY USE 6ES7221-1BF32-0XB0?
· Expand digital input capacity of an S7-1200 PLC
· Connect additional field sensors and switches
· Simplify machine status monitoring
· Support flexible sink/source field wiring
· Suitable for OEM and machine-building applications
· Compact solution for control-panel integration
· Suitable for industrial automation and process control
MAAN ELECTRO CONTROLS
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