The Siemens 6ES7416-2XK00-0AB0 is a SIMATIC S7-400 CPU 416-2 DP central processing unit, designed for high-performance automation applications in manufacturing and process industries.
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6ES7416-2XK00-0AB0Order(MOQ) :
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3~5 daysWeight :
3kg| Specification | Description |
|---|---|
| Manufacturer | Siemens |
| Model | 6ES7416-2XK00-0AB0 |
| Product Family | SIMATIC S7-400 |
| Product Type | CPU 416-2 DP Central Processing Unit |
| Work Memory | 512 KB (256 KB code + 256 KB data) |
| Integrated Load Memory | 256 KB RAM |
| Expandable Load Memory | FEPROM (FLASH) up to 64 MB; RAM up to 16 MB via Memory Card |
| Processing Times | Bit: 0.04 µs; Word: 0.04 µs; Fixed-point: 0.04 µs; Floating-point: 0.12 µs |
| Interface 1 | MPI, 12 Mbit/s |
| Interface 2 | PROFIBUS DP (integrated) |
| Max. DP Devices | 125 |
| Max. I/O Address Area | 16 KB inputs / 16 KB outputs (total) |
| S7 Counters | 2,048 |
| S7 Timers | 2,048 |
| Data Blocks (DB) | Max. 4,095 (DB 0 reserved); max. 64 KB each |
| Function Blocks (FB) | Max. 5,000 |
| Function Calls (FC) | Max. 5,000 |
| Backplane Current Draw | 1 A @ 5 V DC (typ.); 1.2 A max. |
| Power Loss | Typ. 4.5 W |
| Backup Battery | Yes, all data buffered; typ. 550 µA backup current |
| Dimensions (W x H x D) | 50 mm x 290 mm x 230 mm |
| Weight | Approx. 1.24 – 1.477 kg |
| Country of Origin | Germany (DE) |
| Lifecycle Status | Obsolete / Discontinued – End of Production: 1998 |
| Model | Description | Typical Application |
|---|---|---|
| 6ES7416-2XK00-0AB0 (this model) | CPU 416-2 DP, 512 KB, MPI/DP | Legacy S7-400 systems (obsolete) |
| 6ES7416-2XK04-0AB0 | Official replacement – CPU 416-2, 2.8 MB (1.4 MB code + 1.4 MB data), MPI/DP | Migration path for discontinued units |
| 6ES7416-2XP07-0AB0 | CPU 416-2, 8 MB (4 MB code + 4 MB data), MPI/DP, 24 V DC power supply | High-performance replacement |
| 6ES7416-3XL00-0AB0 | CPU 416-3, 3.2 MB work memory, additional interface slots | Larger-scale applications |
| 6ES7416-3XS07-0AB0 | CPU 416-3, 16 MB work memory, MPI/DP + IF module slot | High-end S7-400 automation |
| 6ES7964-2AA04-0AB0 | Plug-in IF 964-DP interface module | Additional PROFIBUS DP line for CPU 416-3/417-4 |
| 6ES7952-1AL00-0AA0 | RAM Memory Card (2 MB) | Load memory expansion |
Q1: Is the 6ES7416-2XK00-0AB0 still in production?
No. This CPU is obsolete and has been discontinued by Siemens. Its End of Production date was in 1998 . It is now available only through aftermarket suppliers, repair services, and refurbished units. The official replacement is the 6ES7416-2XK04-0AB0 (2.8 MB work memory) .
Q2: What is the difference between 6ES7416-2XK00-0AB0 and 6ES7416-2XK04-0AB0?
The 6ES7416-2XK04-0AB0 is a direct successor with significantly increased work memory: 2.8 MB (1.4 MB code + 1.4 MB data) compared to the 512 KB of the 2XK00 model. Both CPUs share the same MPI/DP interface architecture and processing philosophy. The 2XK04 is the recommended migration path for legacy 2XK00 installations .
Q3: What software is required to program this CPU?
The 6ES7416-2XK00-0AB0 requires STEP 7 V5.2 SP1 HF3 or higher with the appropriate Hardware Update (HW-Update) . It is programmed using STEP 7 Classic (V5.x) and is not directly configurable in TIA Portal.
Q4: Can this CPU be used in redundant (H) systems?
No. The 6ES7416-2XK00-0AB0 is a standard (non-redundant) CPU. For redundant high-availability applications, the CPU 417-5H series is required, which supports S7-400H fault-tolerant configurations with bumpless switchover.
Q5: What are the common causes of "SF" (System Fault) LED errors?
Common causes include:
Firmware/configuration mismatch: Ensure the hardware configuration matches the actual firmware version
Memory Card issues: Verify the Memory Card (FLASH/RAM) is properly inserted and formatted
Battery failure: The CPU uses a backup battery to buffer all data; check battery voltage and replace if needed
Bus communication errors: Check PROFIBUS DP cable, connectors, and termination
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