// The modular CPU solution for the Simatic S5-Racks

ABC X-CPU-2 m57

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The ABC X-CPU-2 m57 is a central module for use in the automation systems of the SIMATIC S5 by Siemens.

The module is programmable in STEP5, STEP7, PCS7 and TIA by Siemens and is suitable for restructuring and upgrading projects.

4 Gigabit CPs, 3 fieldbus master and the unique opportunity to work with S5 and S7 programs simultaneously, give a new dimension to the topic of retrofit SIMATIC S5 systems.

ABC-RS7 416 CPU-Software | ABC-RS7 416-945 CPU-Software | ABC-RS7 416-948 CPU-Software | ABC-RS5 945 CPU-Software | ABC-RS5 948 CPU-Software

  • Intel® Atom Processor N450 1.66 GHz, 512 KB L2 Cache
  • 4x integrated 10/100/1000 Mbps Ethernet Interfaces
  • 2GB memory on board
  • 64 MB remanent data
  • Integrated socket for SD cards
  • 3 serial interfaces (1x TTY, 2x RS232)
  • LED diagnostics display
  • For use in SIMATIC racks of 115U, 135/155U and 150U/S/K by Siemens
  • Command compliant to S7-CPU 416 also in Mixed Mode as 416-945/948
  • Quantity structure/Performance equates to S7-CPU417
  • Compatible to S5-CPU 945/948
  • Supports multiprocessor communication with up to 3x S5-CPU948 and 1x S7-CPU416
  • Programmable in STEP5, STEP7, PCS7 and TIA
  • Complete TCP/IP connection for linking of homogeneous and heterogeneous system components integrated
  • High Performance (average 10ns/operation)
  • Up to three fieldbus master Profibus, Profinet, EtherCAT
Processor Intel® Atom™ Processor N450
Electrical Data +5Vdc: 4.85V…5. 24V

Operating conditions

Operating temperature 0°C…+60°C
Storage temperature -40°C…85°C
Relative humidity During operations: max. 90 % without condensation
Vibration and shock resistance 2g/10..500Hz, 20g/10ms
EMV/Burst/ESD acc. IEC1000-4-2 (ESD)
acc. IEC1000-4-4 (burst)
Emissions acc. 55022, Part B
LEDs 4 LEDs as status and fault indicators
Dimensions Double Eurocard, height 6 HU
Serial 1 x AS 511 (TTY) with DSUB 15
2 x RS232 with DSUB 9
Ethernet 4x 10/100/1000 Mbps.
Memory extension 2 GB DDR2-667 MHz
8 GB SD Memory Card
64 MB remanent

Technical data Software RS5

Processing times
Bit operations 10 ns
Word operations 10 ns
Fixed point arithmetics 10 ns
Floating-point arithmetics 10 ns

Technical data Software RS7

Processing times
Bit operations 10 ns
Word operations 10 ns
Fixed point arithmetics 10 ns
Floating-point arithmetics 10 ns
Timers / Counters S7 timers 2048 S7 counters 2048
Markers 16 KByte from MB 0 to MB 16383
Process image 16 KByte In/16 KByte Out
From EB 0 to EB16383/AB 0 to AB16383
Blocks max. 64 KByte
FBs max. 65535
FCs max. 65535
Data blocks max. 65534
Alarms 9 wake-up alarms
Load memory 20 Mbyte
Work memory 16 Mbyte
Communication jobs 10000

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Modernize your plants

Cost control

No surprises in terms of costs of the individual modernization and conversion phases.

Performance optimization

Avoid expensive and time-consuming procurement of spare parts. With Reftrofit from ABC IT, you can develop your automation system in a meaningful way.

Modernization concept

The future-proof development of your S5 or S7 plant, within a set timeframe, without unnecessary downtime.


We don’t just know the theory. Benefit from our practical know-how on the topics:

  • on databases and their technologies,
  • expertise in implementing the modernization of automated systems,
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We record, conceptualize and develop database technologies, provide expert in the field of modernization of automated plants, plan and develop your network in automation technology and implement your requirements through consistent project management with highly qualified and motivated employees.


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