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SM 521 digital input modules Parts
Compare SM 521 digital input modules
Key specifications of the parts listed on this page, taken from the manufacturer's data sheets.
| MPN | Product type designation | Engineering with — STEP 7 TIA Portal configurable/integrated from version | Power consumption from the backplane bus | Power loss, typ. | Input current — for signal "1", typ. |
|---|---|---|---|---|---|
| 6ES7521-1BH50-0AA0 | DI 16x24VDC SRC BA | V12 / V12 | 0.9 W | 2.8 W | 4.5 mA |
| 6ES7521-1BH10-0AA0 | DI 16 x 24 V DC BA | V13 / V13 | 1.05 W | 1.8 W | 2.7 mA |
| 6ES7521-1BH00-0AB0 | DI 16x24VDC HF | V13 SP1 / - | 1.1 W | 2.6 W | 2.5 mA |
| 6ES7521-7TH00-0AB0 | DI 16xNAMUR HF | STEP 7 V17 or higher | 0.6 W | 3.7 W | 10 mA |
Common to all listed parts
| Firmware version — FW update possible | Yes |
| Product function — I&M data | Yes; I&M0 to I&M3 |
| Product function — Prioritized startup | Yes |
| Engineering with — STEP 7 configurable/integrated from version | V5.5 SP3 / - |
| Engineering with — PROFIBUS from GSD version/GSD revision | V1.0 / V5.1 |
| Engineering with — PROFINET from GSD version/GSD revision | V2.3 / - |
| Operating mode — DI | Yes |
| Operating mode — Oversampling | No |