Specifications
Parameter Category Specification
Product Type Communication Interface Module (Fieldbus Master)
Target PLC System ABB AC500 Programmable Logic Controller
Compatible CPU Rack PM5xx series (e.g., PM571, PM581, etc.)
Fieldbus Protocol PROFIBUS DP compliant with EN 50170 and IEC 61158
Protocol Version DP-V1 (supports standard cyclic data exchange and acyclic communication for parameterization, diagnostics, and alarms)
Master Function Class Class 1 Master (Active Station)
Data Transfer Rates Automatically detects and sets from 9.6 kbps up to 12 Mbps
Physical Interface 9-pin D-Sub female connector (sub-miniature D), RS-485 standard
Maximum Number of Slaves Configurable, typically up to 125 slaves per network segment.
Diagnostic Indicators (LEDs) • RUN: Green, indicates module operational status.
• COM: Green/yellow/red, indicates communication activity and status.
• ERROR: Red, indicates a fault condition.
Power Supply Powered directly from the PM5xx CPU rack via the backplane bus (5 VDC).
Isolation Galvanic isolation between the PROFIBUS network and the PLC backplane.
Configuration Configured using ABB Automation Builder engineering suite. Requires the matching GSD file (Hardware Support Package) for slave devices.
Primary Application Integrating the AC500 PLC into factory automation and process control systems using the widespread PROFIBUS DP network for centralized control and data acquisition.
Certifications CE, UL, cUL, ATEX (for specific versions/conditions). Please refer to the official manual for exact certification details.
The ABB CDXN080001P0026 is a PROFIBUS DP-V1 master communication interface module for the AC500 PLC (Programmable Logic Controller) family, specifically designed for the PM5xx series of central processing units (CPUs).
It enables the AC500 PLC to act as the controlling master on a PROFIBUS DP industrial network, allowing it to communicate with and manage a wide array of slave devices such as remote I/O stations, variable speed drives, motor starters, and measurement transducers.