Limited Stock
Siemens
Siemens 6ES7 421-1BL01-0AA0 SM 421 Digital Input 32CH
MPN: 6ES7 421-1BL01-0AA0
$350-550
Limited StockThe Siemens SM 421 Digital Input Module provides 32 digital input channels for S7-400 PLC systems, allowing for the acquisition of binary signals from field devices such as switches and sensors. This module is designed to deliver reliable signal detection in industrial environmen
| Inputs | 32 x 24V DC |
|---|---|
| Isolation | Yes |
| Diagnostics | Configurable |
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- Industrial automation systems