The Siemens SIMATIC S7-300 CPU 312, model 6ES7312-5AC82-0AB0, is a compact yet powerful controller designed for demanding industrial environments. This CPU offers a robust mix of processing speed, memory capacity, and integrated communication capabilities, making it a top choice for engineers seeking a reliable solution for medium-sized automation projects. Its versatile design supports both AC and DC power supply options, ensuring compatibility with a wide range of global applications. Below is a detailed technical breakdown of its specifications.
| Specification |
Details |
| Product Model |
6ES7312-5AC82-0AB0 |
| Product Series |
SIMATIC S7-300 |
| CPU Type |
CPU 312 |
| Application Areas |
Chemical, Electronics, Electrical, and other industrial automation sectors requiring medium to complex control tasks. |
| Integrated Interfaces |
MPI/DP Interface (Multi-Point Interface and PROFIBUS DP) |
| Power Supply (AC Models) |
85–264 VAC, 47–63 Hz, auto-ranging |
| Power Supply (DC Models) |
24 V DC (optional for redundant configurations) |
| Power Protection |
External surge protection recommended for both AC and DC lines |
| Storage Media |
Supports MicroSD or CompactFlash memory cards |
| Working Memory |
96 KByte |
| Load Memory (Max) |
Depends on memory card type; supports large programs and data logging |
| Retentive Memory |
Dedicated area for retentive data blocks |
| Programming Environment |
STEP 7 Professional or TIA Portal (compatible versions) |
| Bit Operation Time |
Approx. 0.1 µs |
| Word Operation Time |
Approx. 0.24 µs |
| Fixed-Point Arithmetic Time |
Approx. 0.32 µs |
| Floating-Point Arithmetic Time |
Approx. 1.1 µs |
| Max Data Blocks (DBs) |
1024 |
| Max Function Blocks (FBs) |
1024 (max 32 KByte per block) |
| Max Functions (FCs) |
1024 (max 32 KByte per block) |
| Organization Blocks (OBs) |
OB1, OB10-OB17, OB30-OB38, OB80-OB87, and more |
| S7 Counters |
Unlimited (limited by RAM, retentive) |
| S7 Timers |
Unlimited (limited by RAM, retentive) |
| Dimensions (W x H x D) |
Approx. 125 x 125 x 130 mm (standard S7-300 form factor) |
| Weight |
Approx. 0.3 kg |
| Operating Temperature |
0 °C to 60 °C |
| Storage Temperature |
-40 °C to 70 °C |
| Relative Humidity |
Up to 95% (non-condensing) |
| Protection Class |
IP20 (for indoor use) |
| Certifications |
CE, cULus, and other relevant industrial standards |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
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