SIMATIC S7-200 SMART CPU CR40s AC/DC / Relay 24DI/16DQ
$178.26 – $198.07
CPU CR40s, compact CPU (non-expandable) — 24DI/16DO relay, 20KB program/data memory. [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 |
| Program/Data Memory | 20 KB |
| 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
Larger fixed-I/O Compact CPU for simple control applications with a higher I/O count requirement but no need for expansion modules.






