6ES7221-1BF32-0XB0

Product Overview

The 6ES7221-1BF32-0XB0 is a SIMATIC S7-1200 digital input module SM 1221 with 8 channels (24V DC, sink/source) for industrial automation applications.

Supply Voltage

• Rated Value: 24V DC
• Permissible Range: 20.4V to 28.8V DC

Input Current

• from Backplane Bus (5V DC): 105 mA max
• from Load Voltage L+ (without load): 4 mA per channel max

Power Loss

• Power Loss (typ): 1.5 W

Digital Inputs

• Number of Digital Inputs: 8 (in groups of 2)
• Input Characteristic: Type 1 per IEC 61131
• Number of Simultaneously Controllable Inputs: 8 max (all mounting positions)

Input Voltage

• Rated Value: 24V DC
• Signal "0": 5V DC at 1 mA
• Signal "1": 15V DC at 2.5 mA

Input Current Details

• Signal "0" (max quiescent current): 1 mA
• Signal "1" (min): 2.5 mA
• Signal "1" (typ): 4 mA

Connection Method

• Required Front Connector: Yes

Physical Specifications

• Enclosure Material: Plastic
• Width: 45 mm
• Height: 100 mm
• Depth: 75 mm
• Weight: approx. 170 g

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