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Siemens
SIMATIC S7-200 EM 221 Digital Input Module 8x24V DC
6ES7 221-1BF22-0XA0
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SIMATIC S7-200 EM 221 Digital Input Expansion Module with 8 inputs for 24V DC signals. Provides additional discrete input capacity for S7-200 PLC systems. Each input has LED indicator for status display. Screw-type terminals for easy wiring. Discontinued October 1, 2017. Essential spare part for maintaining existing S7-200 installations....
| Inputs | 8 x 24V DC |
|---|---|
| Input Type | Sink/Source |
| Isolation | 500V AC (bus to field) |
| Input Current | 9 mA per input |
| Status Indicators | 8 x LED |
| Power Consumption | 1.5 W |
| Connector | 4-pin screw terminal |
| Dimensions | 46 x 80 x 60 mm |