ABB CI502-PNIO
ABB CI502-PNIO - Image 2

ABB CI502-PNIO

Product Brief:​ The CI502-PNIO is a Communication Interface Module (CIM) for ABB AC 800M controllers, providing a native PROFINET IO port. It can operate as a PROFINET IO Controller (master) managing remote IO devices or as an IO Device (slave) communicating with a higher-level PROFINET master.

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Category: SKU: ABB CI502-PNIO

Description

ABB CI502-PNIO

  • Technical Specifications:
    • Protocol: PROFINET IO per IEC 61158, Conformance Class B
    • Real-Time: Supports RT (Real-Time) and IRT (Isochronous Real-Time)
    • Ports: 3 × 10/100 Mbit/s RJ45 with integrated 2-port switch (daisy-chain capable)
    • Max IO Devices (as Controller): Up to 256
    • Update Time: Configurable, down to 1 ms (application dependent)
    • Power: Via AC 800M CPU/baseplate (no separate supply)
    • Power Consumption: Typ. 1.5 W
    • Operating Temp.: 0 °C to +60 °C
    • Certifications: CE, UL, cUL, ATEX/IECEx (with proper system certification)
  • Functional Features:
    • Dual-mode: IO Controller or IO Device selectable by configuration
    • Topology discovery via LLDP
    • MRP (Media Redundancy Protocol) ring support
    • Comprehensive diagnostics reported to 800M controller
    • Automatic device name assignment via DCP
  • Application Scenarios:
    • Integrating AC 800M with PROFINET remote I/O stations (e.g., S800 I/O via PN coupler, third-party PN slaves)
    • Connecting ABB drives with PROFINET option boards
    • Acting as PN slave for Siemens or other brand masters in multi-vendor cells
  • Material & Structure:
    • Housing: Plastic with metal shielding, plugs into AC 800M communication slot
    • RJ45 connectors with latch protection
  • Working Principle:

    The module exchanges cyclic I/O data with configured PROFINET devices using RT/IRT telegrams. Acyclic data (parameterization, diagnostics) uses PROFINET record read/write services. DCP is used during commissioning to assign device names and IP addresses.

  • Installation Requirements:
    • Insert into designated communication slot of PM8xx CPU or communications extender
    • Use Cat 5e/6 shielded Ethernet cable for PROFINET segments
    • Assign unique PROFINET device name via ABB Control Builder or DCP tool
  • Precautions:
    • Do NOT connect to office LAN — PROFINET uses multicast/broadcast that may flood non-industrial switches
    • Ensure firmware version compatibility between CI502-PNIO and AC 800M CPU firmware
    • Observe proper termination and shielding practice for noise immunity

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