Siemens 6ES75184FX001AC0 CPU Selection Guide
Specs: 6ES75184FX001AC0
| Parameter | Value |
|---|---|
| Series | SIMATIC S7-1500 |
| Memory | 60 MB |
| Communications | Ethernet, RJ45 |
| Mounting | DIN Rail |
| Encapsulation | Box |
| Expandable | Non-Expandable |
| Operating Temp | 0°C to 60°C |
| RoHS | ROHS3 Compliant |
| Product Status | Active |
The CPU 1518F-4 sits in the S7-1500F safety-rated family and is typically mounted in a control cabinet on a standard DIN rail, with the module oriented for front access to the RJ45 Ethernet ports and the front-facing interfaces. Siemens marks this unit as active in their current catalog.
Programming and Runtime
This model includes onboard C/C++ real-time runtime capability, distinguishing it from standard S7-1500 CPUs. Users can deploy custom embedded applications alongside the standard PLC program, which is useful for specialized data processing or custom protocol handling within the same controller. The 60 MB memory allocation supports substantial program and data storage for complex automation tasks.
Compare: 6ES75184FX001AC0 vs Alternates
| Spec | 6ES75184FX001AC0 (seed) | 6ES75184FX001AB0 | 6ES75184FP000AB0 | 6ES75163FN020AB0 |
|---|---|---|---|---|
| Series | SIMATIC S7-1500 | SIMATIC S7-1500 | SIMATIC S7-1500 | SIMATIC S7-1500 |
| Mounting | DIN Rail | DIN Rail | DIN Rail | DIN Rail |
| Operating Temp | 0°C~60°C | 0°C~60°C | 0°C~60°C | 25°C~60°C |
| Encapsulation | Box | Box | Box | Box |
| RoHS | ROHS3 | ROHS3 | ROHS3 | ROHS3 |
| Similarity | — | 1.0 | 1.0 | 1.0 |
Readers must qualify alternate specifications independently before procurement decisions.
- 6ES75184FX001AB0 — shares the same S7-1500F safety series, DIN rail mounting, and 0–60°C range as the seed; the alphanumeric suffix difference indicates a regional or distribution variant, not a functional specification change.
- 6ES75184FP000AB0 — aligns on series, mounting, and temperature window with the seed; the trailing "P" in the MPN suggests a different firmware configuration or feature set within the same hardware platform.
- 6ES75163FN020AB0 — matches the seed on series, DIN mounting, and box encapsulation but occupies a lower position in the 1516F product line, which affects available program memory and performance headroom.
Engineering Verification Checklist
- Confirm cabinet DIN rail clearance for the box form factor and verify front port access
- Verify 0–60°C ambient temperature range meets site environmental conditions
- Confirm Ethernet RJ45 port count and network topology requirements for the application
- Validate 60 MB memory is sufficient for the intended program size and data logging
- Check that non-expandable architecture aligns with the system architecture—no I/O module additions planned
- Verify C/C++ RT runtime licensing and development toolchain are available
- Confirm S7-1500F safety functionality requirements match the application safety integrity level
- Review ROHS3 compliance documentation for any supply chain constraints
- Compare against 6ES75184FX001AB0 if regional variant or alternate distributor sourcing is a requirement