
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. | Weight, approx. |
|---|---|---|---|---|---|
| 6ES7521-7BH00-0AB0 | DI 16x24 V DC HS | STEP 7 V17 or higher | 0.6 W | 7 W | 240 g |
| 6ES7521-1FH00-0AA0 | DI 16x230VAC BA | V12 / V12 | 1 W | 4.9 W | 300 g |
| 6ES7521-1BP00-0AA0 | DI 64x24VDC BA | V16 with HSP 0319 / V17 | 0.6 W | 4.8 W | 250 g |
| 6ES7521-1BL10-0AA0 | DI 32x24VDC BA | V13 / V13 | 1.05 W | 3 W | 260 g |
Common to all listed parts
| Firmware version — FW update possible | Yes |
| Product function — I&M data | Yes; I&M0 to I&M3 |
| Engineering with — STEP 7 configurable/integrated from version | V5.5 SP3 / - |
| Engineering with — PROFIBUS from GSD version/GSD revision | V1.0 / V5.1 |
| Operating mode — DI | Yes |
| Operating mode — MSI | Yes |
| Reverse polarity protection | Yes |
| Address space per module — Outputs | 0 byte |