Siemens
CPU 221 DC/DC/DC
6ES7 211-0AA23-0XB0
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Price Range: $100-400 | Professional quotation within 24 hours
Discontinued model, replaced by S7-200 SMART. Compact CPU with 6 inputs/4 outputs, 4KB memory. We provide fully refurbished units with full warranty. Discontinued in 2017-10....
| Digital Inputs | 6 x 24V DC |
|---|---|
| Digital Outputs | 4 x Transistor |
| Power Supply | 24V DC |
| Program Memory | 4KB |
| Communication | RS-485 PPI |
| Certifications | CE, UL, cULus |