SIMATIC S7-200 SMART CPU CR40 AC/DC/Relay 24DI / 16DQ
$217.38 – $241.54
CPU CR40 (original -0AA0, predecessor to CR40s), compact CPU, non-expandable — 24DI/16DO relay. [VERIFIED via Siemens official datasheet]
Technical Specifications
| Product Line | Compact (CR) — non-expandable |
| Digital I/O | 24 DI 24V DC / 16 DO Relay 2A |
| Power Supply | AC 85–264V |
| Security Note | Per CISA advisory ICSA-24-165-02, S7-200 SMART CPU firmware versions affected by CVE-2024-35292 (predictable IP ID sequence number, CVSS up to 8.8) should be checked and updated where a network-facing deployment is planned. |
Typical Applications
Predecessor to the CR40s, functionally equivalent fixed-I/O Compact CPU for simple control applications.






