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Siemens
SM 1221 Digital Input Module 16x24V DC
6ES7 221-1BH32-0XB0
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Price Range: $80-120 | Professional quotation within 24 hours
The SIMATIC S7-1200 SM 1221 digital input module provides 16 isolated digital inputs at 24V DC. Compatible with CPU 1211C, 1212C, 1214C, and 1215C. Features LED status indicators for each channel and supports both source and sink input types....
| Digital Inputs | 16 x 24V DC (Sink/Source) |
|---|---|
| Input Current | 4 mA per channel |
| Isolation | 500V AC (isolated groups) |
| Status Indicators | LED per channel |
| Connector Type | Spring-type terminal |
| Dimensions | 45 x 100 x 75 mm |
| Weight | 0.18 kg |
| Power Bus | Internal power bus |
| Operating Temp | 0 to 55C |
CEUL
- LED diagnostics
- Hot-swap capable
- Group isolation
- Digital signal acquisition
- Sensor integration
- Machine monitoring