Siemens 6ES7 221-1BF30-0XB0 Digital Input Module
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DIGITAL INPUT MODULE “ SIEMENS S7-1200
The SM 1221 DC from Siemens offers 8 digital inputs, 24 V DC operation, and IP20 protection in a compact 45x100x75 mm housing. Ideal for precision signal processing in automation.122124v6ES7221-1BF30-0XB08AutomationchannelCompactdcDigitalI/OIndustrialInputModulePLCprocessingS7-1200SiemensSignalSM
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SIEMENS SM 1221 DC DIGITAL INPUT MODULE “ S7-1200 FAMILY
The Siemens SM 1221 DC is a compact and robust digital input module, designed to deliver high-performance signal processing in industrial automation environments. As part of the trusted S7-1200 family, this module offers precision, flexibility, and reliable integration with Siemens controllers for various applications.
Manufacturer: SIEMENS
Family: S7-1200
Type: Digital Input Module
Model: SM 1221 DC
MRN: 6ES7221-1BF30-0XB0
E STAND: 01
Serial No.: ZVWDYYK000509
| Dimensions | Width 45 mm, Height 100 mm, Depth 75 mm |
| Supply Voltage | 24 V DC |
| Input Current from Backplane Bus 5 V DC | 105 mA per channel |
| Input Voltage | 24 V DC |
| Signal Level 0 | 5 V DC |
| Signal Level 1 | 15 V DC |
| Input Delay | 0.2 ms to 12.8 ms, selectable in groups of four |
| Digital Inputs | 8 Channels |
| Power Loss | 1.5 W |
| Protection Class | IP20 |
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