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SIPLUS SM 1221 digital input modules Parts
Compare SIPLUS SM 1221 digital input modules
Key specifications of the parts listed on this page, taken from the manufacturer's data sheets.
| MPN | Product type designation | based on | from backplane bus 5 V DC, max. | Power loss, typ. | Number of digital inputs |
|---|---|---|---|---|---|
| 6AG1221-1BH32-4XB0 | SM 1221, DI 16x24 V DC | 6ES7221-1BH32-0XB0 | 130 mA | 2.5 W | 16 |
| 6AG1221-1BH32-2XB0 | SM 1221, DI 16x24 V DC | 6ES7221-1BH32-0XB0 | 130 mA | 2.5 W | 16 |
| 6AG1221-1BF32-4XB0 | SM 1221, DI 8x24 V DC | 6ES7221-1BF32-0XB0 | 105 mA | 1.5 W | 8 |
| 6AG1221-1BF32-2XB0 | SM 1221, DI 8x24 V DC | 6ES7221-1BF32-0XB0 | 105 mA | 1.5 W | 8 |
Common to all listed parts
| Rated value (DC) | 24 V |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.8 V |
| Digital inputs — from load voltage L+ (without load), max. | 4 mA; per channel |
| Power supply to the transmitters — present | Yes |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Input voltage — Rated value (DC) | 24 V |
| Input voltage — for signal "0" | 5 V DC at 1 mA |