Image is for illustrative purposes only. Please refer to product description.
- Manufacturer
- Siemens
- Manufacturer part number
- 6ES7414-2XK05-0AB0
- Product family
- SIMATIC S7-400 PLC CPUs, I/O and Function Modules
- Category
- PLCs and I/O › CPU and processor modules
- Technical datasheet
- Data sheet
Specifications
| Attribute | Value |
|---|---|
| Type | PLC CPU |
| Manufacturer lifecycle | Discontinued |
| Product type designation | CPU 414-2 |
| HW functional status | 03 |
| Firmware version | V5.3 |
| Product function / Isochronous mode | Yes; For PROFIBUS only |
| Engineering with / Programming package | STEP 7 V5.3 SP2 or higher with HW update |
| CiR synchronization time, basic load | 100 ms |
| CiR synchronization time, time per I/O byte | 15 µs |
| Supply voltage / Rated value (DC) | Power supply via system power supply |
| Input current / from backplane bus 5 V DC, typ. | 0.9 A |
| Input current / from backplane bus 5 V DC, max. | 1.1 A |
| Input current / from backplane bus 24 V DC, max. | 300 mA; 150 mA per DP interface |
| Input current / from interface 5 V DC, max. | 90 mA; At each DP interface |
| Power loss, typ. | 4.5 W |
Show all 323 specificationsShow fewer specifications
| Storage / Type of memory | RAM |
|---|---|
| Work memory / Integrated | 1 Mbyte |
| Work memory / integrated (for program) | 0.5 Mbyte |
| Work memory / integrated (for data) | 0.5 Mbyte |
| Work memory / expandable | No |
| Load memory / expandable FEPROM | Yes; with Memory Card (FLASH) |
| Load memory / expandable FEPROM, max. | 64 Mbyte |
| Load memory / integrated RAM, max. | 512 kbyte |
| Load memory / expandable RAM | Yes; with Memory Card (RAM) |
| Load memory / expandable RAM, max. | 64 Mbyte |
| Backup / present | Yes |
| Backup / with battery | Yes; all data |
| Backup / Without battery | No |
| Backup battery / Backup current, typ. | 125 µA; up to 40 °C |
| Backup battery / Backup current, max. | 550 µA |
| Backup battery / Backup time, max. | See reference manual, module data, Chapter 3.3 |
| Backup battery / Feeding of external backup voltage to CPU | 5 V DC to 15 V DC |
| CPU processing times / for bit operations, typ. | 45 ns |
| CPU processing times / for word operations, typ. | 45 ns |
| CPU processing times / for fixed point arithmetic, typ. | 45 ns |
| CPU processing times / for floating point arithmetic, typ. | 135 ns |
| DB / Number, max. | 6 000; Number range: 1 to 16000 |
| DB / Size, max. | 64 kbyte |
| FB / Number, max. | 3 000; Number range: 0 to 7999 |
| FB / Size, max. | 64 kbyte |
| FC / Number, max. | 3 000; Number range: 0 to 7999 |
| FC / Size, max. | 64 kbyte |
| OB / Number, max. | see instruction list |
| OB / Size, max. | 64 kbyte |
| OB / Number of free cycle OBs | 1; OB 1 |
| OB / Number of time alarm OBs | 4; OB 10-13 |
| OB / Number of delay alarm OBs | 4; OB 20-23 |
| OB / Number of cyclic interrupt OBs | 4; OB 32-35 (shortest cycle that can be set = 500 µs) |
| OB / Number of process alarm OBs | 4; OB 40-43 |
| OB / Number of DPV1 alarm OBs | 3; OB 55-57 |
| OB / Number of isochronous mode OBs | 3; OB 61-63 |
| OB / Number of multicomputing OBs | 1; OB 60 |
| OB / Number of background OBs | 1; OB 90 |
| OB / Number of startup OBs | 3; OB 100-102 |
| OB / Number of asynchronous error OBs | 9; OB 80-88 |
| OB / Number of synchronous error OBs | 2; OB 121, 122 |
| Nesting depth / per priority class | 24 |
| Nesting depth / additional within an error OB | 1 |
| S7 counter / Number | 2 048 |
| S7 counter / Retentivity / can be set | Yes |
| S7 counter / Retentivity / preset | Z 0 to Z 7 |
| S7 counter / Counting range / lower limit | 0 |
| S7 counter / Counting range / upper limit | 999 |
| IEC counter / present | Yes |
| IEC counter / Type | SFB |
| IEC counter / Number | Unlimited (limited only by RAM capacity) |
| S7 timer / Number | 2 048 |
| S7 timer / Retentivity / can be set | Yes |
| S7 timer / Retentivity / preset | No times retentive |
| S7 timer / Time range / lower limit | 10 ms |
| S7 timer / Time range / upper limit | 9 990 s |
| IEC timer / present | Yes |
| IEC timer / Type | SFB |
| IEC timer / Number | Unlimited (limited only by RAM capacity) |
| Retentive data area (incl. timers, counters, flags), max. | Total working and load memory (with backup battery) |
| Flag / Size, max. | 8 kbyte; Size of bit memory address area |
| Flag / Retentivity available | Yes |
| Flag / Retentivity preset | MB 0 to MB 15 |
| Flag / Number of clock memories | 8; in 1 memory byte |
| Local data / adjustable, max. | 16 kbyte |
| Local data / preset | 8 kbyte |
| I/O address area / Inputs | 8 kbyte |
| I/O address area / Outputs | 8 kbyte |
| Process image / Inputs, adjustable | 8 kbyte |
| Process image / Outputs, adjustable | 8 kbyte |
| Process image / Inputs, default | 256 byte |
| Process image / Outputs, default | 256 byte |
| Process image / consistent data, max. | 244 byte |
| Process image / Access to consistent data in process image | Yes |
| Subprocess images / Number of subprocess images, max. | 15 |
| Digital channels / Inputs | 65 536 |
| Digital channels / Inputs / of which central | 65 536 |
| Digital channels / Outputs | 65 536 |
| Digital channels / Outputs / of which central | 65 536 |
| Analog channels / Inputs | 4 096 |
| Analog channels / Inputs / of which central | 4 096 |
| Analog channels / Outputs | 4 096 |
| Analog channels / Outputs / of which central | 4 096 |
| Hardware configuration / Integrated power supply | No |
| Hardware configuration / Number of expansion units, max. | 21 |
| Hardware configuration / connectable OPs | 31 |
| Hardware configuration / Multicomputing | Yes; 4 CPUs max. (with UR1 or UR2) |
| Interface modules / Number of connectable IMs (total), max. | 6 |
| Interface modules / Number of connectable IM 460s, max. | 6 |
| Interface modules / Number of connectable IM 463s, max. | 4; IM 463-2 |
| Number of DP masters / Integrated | 2 |
| Number of DP masters / Via CP | 10; CP 443-5 Extended |
| Number of DP masters / via IM 467 | 4 |
| Number of DP masters / Mixed mode IM + CP permitted | No; IM 467 not suitable for use with CP 443-5 Ext. and CP 443-1 EX4x, EX20, GX20 (in PROFINET IO mode) |
| Number of DP masters / via interface module | 0 |
| Number of DP masters / Number of pluggable S5 modules (via adapter capsule in central device), max. | 6 |
| Number of IO Controllers / Integrated | 0 |
| Number of IO Controllers / Via CP | 4; No mixed operation of CP443-1 EX40 and CP443-1 EX 41/EX20/GX20, max. 4 in central controller |
| Number of operable FMs and CPs (recommended) / FM | Limited by number of slots and number of connections |
| Number of operable FMs and CPs (recommended) / CP, PtP | CP 440: Limited by number of slots; CP 441: limited by number of connections |
| Number of operable FMs and CPs (recommended) / PROFIBUS and Ethernet CPs | 14; Of which 10 CPs max. or IMs as DP master, 4 PROFINET controller maximum |
| Slots / required slots | 1 |
| Clock / Hardware clock (real-time) | Yes |
| Clock / retentive and synchronizable | Yes |
| Clock / Resolution | 1 ms |
| Clock / Deviation per day (buffered), max. | 1.7 s; Power off |
| Clock / Deviation per day (unbuffered), max. | 8.6 s; For power On |
| Operating hours counter / Number | 16 |
| Operating hours counter / Number/Number range | 0 to 15 |
| Operating hours counter / Range of values | SFCs 2, 3 and 4: 0 to 32767 hours SFC 101: 0 to 2^31 - 1 hours |
| Operating hours counter / Granularity | 1 h |
| Operating hours counter / retentive | Yes |
| Clock synchronization / supported | Yes |
| Clock synchronization / to MPI, master | Yes |
| Clock synchronization / on MPI, device | Yes |
| Clock synchronization / to DP, master | Yes |
| Clock synchronization / on DP, device | Yes |
| Clock synchronization / in AS, master | Yes |
| Clock synchronization / in AS, device | Yes |
| Clock synchronization / on Ethernet via NTP | No; Via CP |
| Time difference in system when synchronizing via / MPI, max. | 200 ms |
| Interfaces/bus type | 1 x MPI/PROFIBUS DP, 1 x PROFIBUS DP |
| Number of RS 485 interfaces | 2; Combined MPI / PROFIBUS DP and PROFIBUS DP |
| Interfaces / Optical interface | No |
| 1. Interface / Interface type | MPI/PROFIBUS DP |
| 1. Interface / Isolated | Yes |
| Interface types / RS 485 | Yes |
| Interface types / Output current of the interface, max. | 150 mA |
| Protocols / MPI | Yes |
| Protocols / PROFIBUS DP master | Yes |
| Protocols / PROFIBUS DP device | Yes |
| MPI / Number of connections | 32; If a diagnostics repeater is used on the line, the number of connection resources on the line is reduced by 1 |
| MPI / Transmission rate, max. | 12 Mbit/s |
| MPI / Services / PG/OP communication | Yes |
| MPI / Services / Routing | Yes |
| MPI / Services / Global data communication | Yes |
| MPI / Services / S7 basic communication | Yes |
| MPI / Services / S7 communication | Yes |
| MPI / Services / S7 communication, as client | Yes |
| MPI / Services / S7 communication, as server | Yes |
| 1. Interface / PROFIBUS DP master / Number of connections, max. | 16; If a diagnostics repeater is used on the line, the number of connection resources on the line is reduced by 1 |
| PROFIBUS DP master / Transmission rate, max. | 12 Mbit/s |
| 1. Interface / PROFIBUS DP master / max. number of DP devices | 32 |
| PROFIBUS DP master / Services / PG/OP communication | Yes |
| PROFIBUS DP master / Services / Routing | Yes; S7 routing |
| PROFIBUS DP master / Services / Global data communication | No |
| PROFIBUS DP master / Services / S7 basic communication | Yes |
| PROFIBUS DP master / Services / S7 communication | Yes |
| PROFIBUS DP master / Services / S7 communication, as client | Yes |
| PROFIBUS DP master / Services / S7 communication, as server | Yes |
| PROFIBUS DP master / Services / Equidistance | Yes |
| PROFIBUS DP master / Services / Isochronous mode | Yes |
| PROFIBUS DP master / Services / SYNC/FREEZE | Yes |
| PROFIBUS DP master / Services / activation/deactivation of DP devices | Yes |
| PROFIBUS DP master / Services / Direct data exchange (slave-to-slave communication) | Yes |
| PROFIBUS DP master / Services / DPV1 | Yes |
| 1. Interface / PROFIBUS DP master / Address area / Inputs, max. | 2 kbyte |
| 1. Interface / PROFIBUS DP master / Address area / Outputs, max. | 2 kbyte |
| PROFIBUS DP master / User data per DP device / user data per DP device, max. | 244 byte |
| PROFIBUS DP master / User data per DP device / Inputs, max. | 244 byte |
| PROFIBUS DP master / User data per DP device / Outputs, max. | 244 byte |
| PROFIBUS DP master / User data per DP device / Slots, max. | 244 |
| PROFIBUS DP master / User data per DP device / per slot, max. | 128 byte |
| PROFIBUS DP device / Number of connections | 16 |
| PROFIBUS DP device / Transmission rate, max. | 12 Mbit/s |
| PROFIBUS DP device / automatic baud rate search | No |
| 1. Interface / PROFIBUS DP device / Address area, max. | 32; Virtual slots |
| PROFIBUS DP device / User data per address area, max. | 32 byte |
| PROFIBUS DP device / User data per address area, max. / of which consistent, max. | 32 byte |
| PROFIBUS DP device / Services / PG/OP communication | Yes; with interface active |
| 1. Interface / PROFIBUS DP device / Services / Routing | Yes; with interface active |
| PROFIBUS DP device / Services / Global data communication | No |
| PROFIBUS DP device / Services / S7 basic communication | No |
| PROFIBUS DP device / Services / S7 communication | Yes |
| PROFIBUS DP device / Services / S7 communication, as client | Yes |
| PROFIBUS DP device / Services / S7 communication, as server | Yes |
| PROFIBUS DP device / Services / Direct data exchange (slave-to-slave communication) | No |
| PROFIBUS DP device / Services / DPV1 | No |
| PROFIBUS DP device / Transfer memory / Inputs | 244 byte |
| PROFIBUS DP device / Transfer memory / Outputs | 244 byte |
| 2. Interface / Interface type | PROFIBUS DP |
| 2. Interface / Isolated | Yes |
| 2. Interface / PROFIBUS DP master / Number of connections, max. | 16 |
| 2. Interface / PROFIBUS DP master / max. number of DP devices | 96 |
| 2. Interface / PROFIBUS DP master / Address area / Inputs, max. | 6 kbyte |
| 2. Interface / PROFIBUS DP master / Address area / Outputs, max. | 6 kbyte |
| 2. Interface / PROFIBUS DP device / Address area, max. | 32 |
| 2. Interface / PROFIBUS DP device / Services / Routing | Yes |
| SIMATIC communication / S7 routing | Yes |
| Open IE communication / ISO-on-TCP (RFC1006) | Via CP 443-1 and loadable FB |
| Open IE communication / ISO-on-TCP (RFC1006) / Data length, max. | 1 452 bytes via CP 443-1 Adv. |
| Web server / supported | No |
| Isochronous mode / Equidistance | Yes |
| Number of DP masters with isochronous mode | 2 |
| payload per isochronous device, max. | 244 byte |
| Isochronous mode / shortest clock pulse | 1 ms; 0.5 ms without use of SFC 126, 127 |
| Isochronous mode / max. cycle | 32 ms |
| PG/OP communication | Yes |
| PG/OP communication / Number of connectable OPs with message processing | 31; When using Alarm_S/SQ and Alarm_D/DQ |
| PG/OP communication / Number of connectable OPs without message processing | 31 |
| Communication functions / Data record routing | Yes |
| Global data communication / supported | Yes |
| Global data communication / Number of GD loops, max. | 8 |
| Global data communication / Number of GD packets, transmitter, max. | 8 |
| Global data communication / Number of GD packets, receiver, max. | 16 |
| Global data communication / Size of GD packets, max. | 54 byte |
| Global data communication / Size of GD packet (of which consistent), max. | 1 variable |
| S7 basic communication / supported | Yes |
| S7 basic communication / User data per job, max. | 76 byte |
| S7 basic communication / User data per job (of which consistent), max. | 1 variable |
| S7 communication / supported | Yes |
| S7 communication / as server | Yes |
| S7 communication / As client | Yes |
| S7 communication / User data per job, max. | 64 kbyte |
| S7 communication / User data per job (of which consistent), max. | 462 byte; 1 variable |
| S5 compatible communication / supported | Yes; Via FC AG_SEND and AG_RECV, max. via 10 CP 443-1 or 443-5 |
| S5 compatible communication / User data per job, max. | 8 kbyte |
| S5 compatible communication / User data per job (of which consistent), max. | 240 byte |
| S5 compatible communication / Number of simultaneous AG-SEND/AG-RECV orders per CPU, max. | 24/24 |
| Standard communication (FMS) / supported | Yes; Via CP and loadable FB |
| Number of connections / overall | 32 |
| Number of connections / usable for PG communication | 31 |
| Number of connections / usable for PG communication / reserved for PG communication | 1 |
| Number of connections / usable for PG communication / adjustable for PG communication, max. | 0 |
| Number of connections / usable for OP communication | 31 |
| Number of connections / usable for OP communication / reserved for OP communication | 1 |
| Number of connections / usable for OP communication / adjustable for OP communication, max. | 0 |
| Number of connections / usable for S7 basic communication | 30 |
| Number of connections / usable for S7 basic communication / reserved for S7 basic communication | 0 |
| Number of connections / usable for S7 basic communication / adjustable for S7 basic communication, max. | 0 |
| Number of connections / usable for S7 communication | 30 |
| Number of connections / usable for S7 communication / reserved for S7 communication | 0 |
| Number of connections / usable for S7 communication / adjustable for S7 communication, max. | 0 |
| Number of connections / usable for routing | 15 |
| Number of connections / usable for routing / reserved for routing | 0 |
| Number of connections / usable for routing / adjustable for routing, max. | 0 |
| S7 message functions / Number of login stations for message functions, max. | 31; Max. 31 with Alarm_S/SQ and Alarm_D/DQ (OPs); max. 8 with Alarm_8 and Alarm_P (e.g. WinCC) |
| S7 message functions / Symbol-related messages | Yes |
| S7 message functions / SCAN procedure | Yes |
| S7 message functions / Program alarms | Yes |
| S7 message functions / Process diagnostic messages | Yes |
| S7 message functions / simultaneously active Alarm_S blocks, max. | 400; Simultaneously active alarm_S/SQ blocks or alarm_D/DQ blocks |
| S7 message functions / Alarm 8-blocks | Yes |
| Alarm 8-blocks / Number of instances for alarm 8 and S7 communication blocks, max. | 1 200 |
| Alarm 8-blocks / preset, max. | 300 |
| S7 message functions / Process control messages | Yes |
| S7 message functions / Number of archives that can log on simultaneously (SFB 37 AR_SEND) | 16 |
| Number of messages / overall, max. | 512 |
| Number of messages / in 100 ms grid, max. | 128 |
| Number of messages / in 500 ms grid, max. | 256 |
| Number of messages / in 1000 ms grid, max. | 512 |
| Number of additional values / with 100 ms grid, max. | 1 |
| Number of additional values / with 500, 1000 ms grid, max. | 10 |
| Test commissioning functions / Status block | Yes; Up to 2 simultaneously |
| Test commissioning functions / Single step | Yes |
| Test commissioning functions / Number of breakpoints | 4 |
| Status/control / Status/control variable | Yes; Up to 16 variable tables |
| Status/control / Variables | Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters |
| Status/control / Number of variables, max. | 70; Status/control |
| Forcing / Forcing | Yes |
| Forcing / Forcing, variables | Inputs, outputs, bit memories, peripheral inputs, peripheral outputs |
| Forcing / Number of variables, max. | 256 |
| Diagnostic buffer / present | Yes |
| Diagnostic buffer / Number of entries, max. | 400 |
| Diagnostic buffer / Number of entries, max. / can be set | Yes |
| Diagnostic buffer / Number of entries, max. / preset | 120 |
| Service data / Can be read out | Yes |
| Standards, approvals, certificates / CE mark | Yes |
| Standards, approvals, certificates / CSA approval | Yes |
| Standards, approvals, certificates / UL approval | Yes |
| Standards, approvals, certificates / cULus | Yes |
| Standards, approvals, certificates / FM approval | Yes |
| Standards, approvals, certificates / RCM (formerly C-TICK) | Yes |
| Standards, approvals, certificates / KC approval | Yes |
| Standards, approvals, certificates / EAC (formerly Gost-R) | Yes |
| Use in hazardous areas / ATEX marking | ATEX II 3G Ex nA IIC T4 Gc |
| Ambient temperature during operation / min. | 0 °C |
| Ambient temperature during operation / max. | 60 °C |
| Configuration software / STEP 7 | Yes |
| Programming / Command set | see instruction list |
| Programming / Nesting levels | 7 |
| Programming / Access to consistent data in process image | Yes |
| Programming / System functions (SFC) | see instruction list |
| Programming / System function blocks (SFB) | see instruction list |
| Programming / Programming language / LAD | Yes |
| Programming / Programming language / FBD | Yes |
| Programming / Programming language / STL | Yes |
| Programming / Programming language / SCL | Yes |
| Programming / Programming language / CFC | Yes |
| Programming / Programming language / GRAPH | Yes |
| Programming / Programming language / HiGraph® | Yes |
| Programming / Number of simultaneously active SFCs / DPSYC_FR | 2; SFC 11; per interface |
| Programming / Number of simultaneously active SFCs / D_ACT_DP | 8; SFC 12; per interface |
| Programming / Number of simultaneously active SFCs / RD_REC | 8; SFC 59; per interface |
| Programming / Number of simultaneously active SFCs / WR_REC | 8; SFC 58; per interface |
| Programming / Number of simultaneously active SFCs / WR_PARM | 8; SFC 55; per interface |
| Programming / Number of simultaneously active SFCs / PARM_MOD | 1; SFC 57; per interface |
| Programming / Number of simultaneously active SFCs / WR_DPARM | 2; SFC 56; per interface |
| Programming / Number of simultaneously active SFCs / DPNRM_DG | 8; SFC 13; per interface |
| Programming / Number of simultaneously active SFCs / RDSYSST | 8 |
| Programming / Number of simultaneously active SFCs / DP_TOPOL | 1; SFC 103; per interface |
| Programming / Number of simultaneously active SFBs / RDREC | 8; SFB 52; per interface, but not more than 32 across all external interfaces |
| Programming / Number of simultaneously active SFBs / WRREC | 8; SFB 53; per interface, but not more than 32 across all external interfaces |
| Know-how protection / User program protection/password protection | Yes |
| Width | 25 mm |
| Height | 290 mm |
| Depth | 219 mm |
| Weight, approx. | 700 g |
Description
The Siemens 6ES7414-2XK05-0AB0 is the CPU 414-2 of the S7-400. Siemens's data sheet gives it 1 MB of work memory, split into 0.5 MB for code and 0.5 MB for data, a combined MPI/PROFIBUS DP interface at 12 Mbit/s and a second PROFIBUS DP interface. It is powered from the S7-400 rack's system power supply.
Application: PLC controller
Used with: SIMATIC S7-400 rack (system power supply)
What is the 6ES7414-2XK05-0AB0 used for?
It runs mid-sized S7-400 stations with I/O in the rack and distributed I/O on two PROFIBUS DP lines, common in production lines and plant sections built on PROFIBUS.
Key features
- 1 MB work memory: 0.5 MB code, 0.5 MB data
- 1st interface MPI/PROFIBUS DP 12 Mbit/s
- 2nd interface PROFIBUS DP
- Isochronous mode on PROFIBUS
- Powered from the S7-400 system power supply
Documents and Resources
Associated Products
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Product Questions
Is the 6ES7414-2XK05-0AB0 discontinued?
Yes. Its manufacturer lifecycle status is Discontinued.
Can another Siemens SIMATIC S7-400 part replace it?
Potential replacements must be checked against the required ratings, dimensions and connections. Sharing a family name does not establish interchangeability.
Do you ship worldwide?
Yes. TimControls ships worldwide. Parts usually ship within 3 to 7 working days of order confirmation, and the exact lead time and shipping options are stated on your quote. Include your delivery country and postal code when you ask for a quote.
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Lifecycle Database
Siemens S7-400 Discontinued Parts List (2026)
Siemens status and dates for each S7-400 order number we track: I/O and function modules cancelled 1 October 2026, CPUs, Siemens source. Free CSV.
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