125-71-074,Expansion Module S7-200 EM 221, 8 DI, 6ES7221-1BF22-0XA0, Siemens
Datasheet
| Inputs | 8 digital |
| Operating voltage | 24 VDC |
| Series | S7-200 |
| Model | EM 221 |
| No. of digital inputs | 8 |
| No. of digital inputs, usable by analogue | 0 |
| No. of analogue inputs | 0 |
| No. of high speed counter | 0 |
| No. of relay outputs | 0 |
| No. of SSR outputs | 0 |
| No. of transistor outputs | 0 |
| No. of analogue outputs | 0 |
| No. of impulse outputs | 0 |
| Dimensions W x H x D | 46 x 80 x 62 mm |
