Home Programmable Logic Controller (PLC) ABB AC500-ECO CPU Unit


Manufacturer: ABB

Based on the successful AC500 range, the extremely compact AC500-eCo PLCs offer the most flexible and economical configuration available, low cost and straightforward servicing and all requirements of a modern control system for small applications.

Features Model
  • 128 kB program memory, program processing time 0.08 µs/instruction.
  • CPU module PM556 with 512 kB program memory for more complex applications available.
  • 1 onboard RS485 serial interface (2nd is optional).
  • Centrally expandable with up to 10 I/O modules (standard S500 and/or S500-eCo modules can be mixed) – this means up to 335 local I/O channels.
  • Optional SD card/SD card adapter for data storage and program backup.
  • Fast counter up to 50 kHz.
  • All analog inputs on PM564 CPUs can be configured as digital inputs to allow individual customer solutions.
  • Modbus data can be directly stored in the non volatile area of the internal data memory.
  • File handling including ZIP and UNZIP functionality.
  • Web server and FTP server features for Ethernet CPUs.
  • The AC500-eCo delivers an impressive set of programming features.
  • ABB uses a standard IEC61131-3-based programming system for the entire AC500 family - you will be up and running in no time with our IEC61131-3 compliant Automation Builder engineering suite.
Mfr. Part No. Description
PM554-RP 128kB,8DI/6DO-R,24VDC, 1xRS485,2xOption Slot


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