| Product Type | SIMATIC S7-300 CPU |
| Product Model | 6ES7312-1AE14-0AB0 |
| Power Loss | Power loss, typical value 4 W |
| Product dimensions | 40 MM × 125 MM × 130 MM |
| Power Supply Voltage | Rated value (DC) 24 V Allowable range, lower limit (DC) 19.2 V Allowable range, upper limit (DC) 28.8 V External safety device for power cord (recommended) minimum value 2 A |
| Weight | 270 g |
Entry-Level CPU in S7-300 Series – High Cost-Effectiveness:One of the most economical CPUs in the S7-300 family, ideal for small-scale automation systems with tight budget constraints.
Meets Basic Control Requirements – Stable & Reliable Performance:Supports standard programming languages: LAD, FBD, STL, enabling logic control, timing, counting, and data processing for simple applications.
Integrated MPI Interface – Easy Communication:Built-in MPI/PROFIBUS interface allows connection to programming devices (PG), HMIs, and other PLCs for programming and basic networking.
Compatible with STEP 7 Engineering Software:Fully supported in STEP 7 V5.5/V5.6 and compatible with TIA Portal (via updates), enabling efficient hardware configuration and program download.
Up to 8 Expansion Modules Supported:Can be extended with DI, DO, AI, AO, and functional modules, providing flexibility for small automation systems.
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