Core Technical Specifications
| Parameter | Value |
|---|---|
| Order Number | 6ES7414-3EM07-0AB0 |
| Product Name | SIMATIC S7-400, CPU 414-3 PN/DP |
| HW Status / FW Version | HW 01, FW V7.0 |
| Work Memory | 4 MB integrated (2 MB code, 2 MB data); non-expandable |
| Load Memory | Max 64 MB (FEPROM/RAM via memory card); 512 KB integrated RAM |
| Backup | Battery-backed (all data); backup current typ. 180 µA (≤40°C) |
| Processing Times (typ.) | Bit/word/fixed-point: 18.75 ns; Floating-point: 37.5 ns |
| Power Supply | Via S7-400 backplane; 5 V DC (typ. 1.3 A, max 1.6 A); 24 V DC (max 300 mA) |
| Power Loss | Typ. 6.5 W; Max 8 W |
| Dimensions (H×W×D) | 290 × 50 × 219 mm |
| Weight | Approx. 900 g |
| Slots Required | 2 slots in S7-400 central rack |
| Ambient Temperature | 0…+60°C (operation); -25…+70°C (storage) |
| Humidity | 5…95% RH (non-condensing) |
| Certifications | CE, UL, cUL, ATEX (optional), IEC 61131-2 |
Interfaces & Communication
| Interface | Details |
|---|---|
| X1 (MPI/DP) | Isolated RS-485; MPI/DP 12 Mbit/s; 32 MPI connections; 16 DP master connections (max 32 DP slaves) |
| X5 (PROFINET) | 2-port RJ45; 10/100 Mbit/s; PROFINET IO Controller/Device; IRT, prioritized startup, shared device |
| IF1 (Pluggable) | IF 964-DP (6ES7964-2AA04-0AB0); isolated DP master/slave; 12 Mbit/s |
| PROFINET IO | Send cycles: 250 µs/500 µs/1 ms/2 ms/4 ms (IRT: 250 µs–4 ms in 125 µs frames); Max 8 KB inputs/outputs; User data consistency up to 1024 byte |
Key Features & Capabilities
- High Performance & Scalability: Fast instruction execution, large I/O address space (65536 digital I/O, 4096 analog I/O), and support for up to 21 expansion units.
- Flexible Communication: Native MPI/DP, PROFINET, and pluggable DP for seamless integration with drives, HMI, remote I/O, and third-party devices.
- CiR & Isochronous Mode: CiR synchronization (100 ms basic load, 15 µs per I/O byte) for online configuration changes; isochronous mode for high-precision motion/process control.
- Comprehensive Programming: Supports LAD, FBD, STL, SCL, CFC, GRAPH; STEP 7 V5.5+ with HSP 262 required.
- Reliability & Safety: Battery-backed RTC (1 ms resolution, max 1.7 s/day deviation offline), retentive data, and global safety/EMC compliance.





