| Category | Verified Specification for 6ES7414-3EM05-0AB0 |
|---|---|
| MLFB Order Code | 6ES7414-3EM05-0AB0 |
| Full Name | SIMATIC S7-400 CPU 414-3 PN/DP Central Processing Unit |
| Country of Origin | Germany |
| Firmware Version | V5.3 |
| Required Engineering Software | STEP 7 V5.4 SP5 or higher |
| Working Memory | 2.8 MB total (1.4 MB program memory + 1.4 MB data memory) |
| Load Memory | Supports FLASH/RAM Memory Card, maximum 64 MB; onboard 512KB RAM |
| Processing Speed | Bit operation: 45 ns; Word operation: 45 ns; Fixed-point arithmetic: 45 ns; Floating-point arithmetic:135 ns |
| Communication Interfaces | X1: MPI / PROFIBUS DP (12 Mbit/s, DP Master)
X5: Integrated Ethernet / PROFINET IO IF1: Slot for optional IF964-DP second PROFIBUS DP module |
| Function Support | CiR (Configuration in RUN), isochronous mode, S7 communication, PG/OP communication |
| Timers & Counters | Max. 2048 Timers (10 ms ~ 9990 s); Max. 2048 Counters |
| Power Consumption | Typical 6 W; Max. 6.5 W
Power supplied via S7-400 rack backplane |
| Backplane Current | 5 V DC typical 1.2 A, max 1.4 A; 24 V DC max. 300 mA |
| Mechanical Dimensions | W 50 mm × H 290 mm × D 219 mm (S7-400 standard single slot module) |
| Net Weight | Approx. 1.02 kg |
| Mounting | Standard S7-400 UR rack slot mounting |
| Protection Class | IP20, cabinet installation only |
| Operating Environment | Operating temperature: 0 °C ~ +60 °C (horizontal rack)
Storage temperature: -40 °C ~ +85 °C Humidity: 5–95 % non-condensing, Pollution Degree 2 |
| Certifications | CE, UL/cULus, FM, IEC 61131-2 compliant |
| Lifecycle Status | Obsolete / End of production since Oct 2011; Successor: 6ES7414-3EM07-0AB0, only available as genuine spare part |
| Packaging Note | Original individual carton with anti-static packaging; exact outer carton dimensions not published on official datasheet. |



