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The Siemens 6GK1105-2AE00, also known as the OSM TP22, is a specialized industrial Ethernet switch module designed for high-availability communication in demanding automation environments. This module functions as a critical node in factory-floor networks, providing both fiber-optic backbone connectivity and local copper-based device integration while maintaining deterministic data flow through integrated redundancy management.

Features

  • Integrated Redundancy Manager: Built-in hardware logic for rapid network reconfiguration, ensuring minimal downtime during link failures.
  • Dual Fiber Optic Ports: Features two 100 Mbit/s FO interfaces for long-range, EMI-immune communication across the plant floor.
  • Local Connectivity: Includes two 10/100 Mbit/s RJ45 ports for direct attachment of PLCs, HMIs, and other field devices.
  • Diagnostic I/O: Equipped with four digital inputs for monitoring external physical conditions and a signaling relay contact for immediate fault notification.
  • Redundant Power Design: Supports dual 24 VDC power supply inputs to ensure continuous operation even if one power rail fails.

Applications

This module is frequently utilized in mission-critical industrial sectors, including chemical processing, energy production, and heavy manufacturing. It is specifically suited for ring-topology Ethernet networks where high-speed recovery and immunity to electrical noise are mandatory to prevent expensive production stoppages.

Technical Specifications

Model 6GK1105-2AE00 (OSM TP22)
Brand Siemens SIMATIC NET
Network Ports 2 x 100 Mbit/s FO, 2 x 10/100 Mbit/s RJ45
Digital I/O 4 x Digital Inputs, 1 x Signaling Contact
Input Voltage 24 VDC (18 to 32 VDC range)
Operating Temp 0 to 60 deg C
Storage Temp -40 to 70 deg C
Relative Humidity 95% non-condensing at 25 deg C

Installation Guidelines

  • Ensure the module is mounted securely in an environment that allows for proper heat dissipation.
  • Always power down the system before connecting or disconnecting the terminal blocks to prevent electrical arcing or damage to the internal circuitry.
  • Utilize shielded Ethernet cabling for RJ45 ports to maintain signal integrity in high-EMI environments.
  • Verify that both redundant power inputs are correctly wired and monitored to leverage the module's fail-safe power design.
  • Observe standard ESD (Electrostatic Discharge) handling procedures when installing the module to protect internal electronic components.

FAQ

What is the primary function of the redundancy manager in this module?
The integrated redundancy manager continuously monitors the network ring. If a cable break or node failure is detected, it automatically re-routes traffic to maintain communication, typically within sub-millisecond intervals.

Can I use this module with standard copper Ethernet devices?
Yes, the two 10/100 Mbit/s RJ45 ports are compatible with standard Ethernet devices, allowing you to bridge local copper-based equipment into a larger fiber-optic backbone.

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