6ES7221-1BH22-0XA0 SIMATIC S7-200, Digital input EM 221, only for S7-22X CPU, 16 DI, 24 V DC, sinking-sourcing
原价为：$95.00。$73.00当前价格为：$73.00。
| Input current | ||
| from backplane bus 5 V DC, max. | 70 mA | |
| Power loss | ||
| Power loss, typ. | 3 W | |
| Digital inputs | ||
| Number of digital inputs | 16 | |
| Source/sink input | Yes | |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes | |
| Input voltage | ||
| ● Type of input voltage | DC | |
| ● Rated value (DC) | 24 V | |
| ● for signal “0” | 0 to 5 V | |
| ● for signal “1” | +15 to +30 V | |
| Input current | ||
| ● for signal “1”, typ. | 4 mA | |
| Input delay (for rated value of input voltage) | ||
| for standard inputs | ||
| — at “0” to “1”, max. | 4.5 ms | |
| Cable length | ||
| ● shielded, max. | 500 m | |
| ● unshielded, max. | 300 m | |
| Encoder | ||
| Connectable encoders | ||
| ● 2-wire sensor | Yes | |
| — permissible quiescent current (2-wire sensor), max. | 1 mA | |
| Potential separation | ||
| Potential separation digital inputs | ||
| ● Potential separation digital inputs | Yes; Optocoupler | |
| ● between the channels, in groups of | 4 | |
| Isolation | ||
| Isolation tested with | 500V AC for 1 minute | |
| Connection method | ||
| Plug-in I/O terminals | Yes | |
| Dimensions | ||
| Width | 71.2 mm | |
| Height | 80 mm | |
| Depth | 62 mm | |
| Weights | ||
| Weight, approx. | 160 g | |
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