6ES7221-1BH22-0XA0 - Siemens
MPN6ES7221-1BH22-0XA0
***Spare part*** SIMATIC S7-200, Digital input EM 221, only for S7-22X CPU, 16 DI, 24 V DC, sinking-sourcing
$175.26 – $232.00Ref. price · indicative, final on quote
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MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Inputs
| Parameter | Value |
|---|---|
| Number of digital inputs | 16 |
| 2-wire sensor support | Yes |
Electrical
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Input voltage at signal "1" | +15 to +30 V |
| Input voltage type (AC/DC) | DC |
| Input voltage at signal "0" | 0 to 5 V |
| Input current at signal "1" (typ.) | 4 mA |
| Power loss (typ.) | 3 W |
| Current consumption from backplane bus (5 V DC), max. | 70 mA |
| Permissible quiescent current, 2-wire sensor, max. | 1 mA |
| Cable length, unshielded, max. | 300 m |
| Cable length, shielded, max. | 500 m |
Timing
| Parameter | Value |
|---|---|
| Input delay 0 to 1, max. | 4.5 ms |
Diagnostics & Isolation
| Parameter | Value |
|---|---|
| Isolation test voltage | 500V AC for 1 minute |
| Channels per isolated group | 4 |
Mechanical
| Parameter | Value |
|---|---|
| Depth | 62 mm |
| Height | 80 mm |
| Width | 71.2 mm |
MPN
6ES7221-1BH22-0XA0