Siemens 6GK1105-2AE00 Spare Part for Factory Uptime

Overview

Siemens 6GK1105-2AE00 Spare Part for Factory Uptime

The Siemens 6GK1105-2AE00 is a managed Industrial Ethernet switch from the SCALANCE X005 series, engineered for reliable network communication in demanding automation environments. As a maintenance-proven spare part, it supports continuous factory operation by enabling rapid like-for-like replacement in PROFINET, PROFIBUS, and Siemens S7 PLC-based control architectures. Each unit is sourced as an original Siemens component, pre-shipment tested, and dispatched with a support terms confirmed by quotation to minimize procurement risk and downtime exposure.

Maintenance engineers and procurement teams managing Siemens SIMATIC, SCALANCE, or distributed I/O networks rely on the 6GK1105-2AE00 to maintain network topology integrity during scheduled overhauls, emergency fault isolation, and annual cabinet inspections. Its 5-port Fast Ethernet design, DIN-rail mounting, and 24 VDC power input make it a direct fit for existing panel layouts without rewiring or configuration changes.

Spare Maintenance Table

Maintenance Planning for Continuous Operation

When replacing the 6GK1105-2AE00 in a live control cabinet, a structured inspection of the surrounding electrical and communication infrastructure is essential to prevent repeat faults and ensure full network restoration. Maintenance engineers should begin by verifying the 24 VDC panel power supply — typically a Siemens SITOP PSU100S or equivalent — to confirm stable input voltage within the 18–32 VDC operating range of the SCALANCE X005. A degraded or undersized power supply is a common root cause of switch failure that goes undetected during reactive maintenance.

Next, inspect all RJ45 patch cables and industrial Ethernet cables connected to the switch. Damaged shielding, bent connectors, or cables routed near high-voltage conductors can introduce signal noise that degrades PROFINET communication quality. Replacing suspect cables with shielded Cat5e or Cat6 industrial-grade alternatives during the same maintenance window reduces the risk of recurrence.

For cabinets integrating SIMATIC S7-1200 or S7-1500 PLCs, verify that the CP 1243-1 or CP 1543-1 communication processor modules are functioning correctly and that their firmware is current. A switch replacement that restores physical connectivity but leaves a faulty CP module in place will result in continued communication faults at the application layer. Similarly, if the cabinet includes a SIMATIC HMI panel such as the KTP700 Basic or TP1200 Comfort, confirm that the HMI’s Ethernet port and IP configuration are intact after the switch swap.

Distributed I/O racks using ET 200SP or ET 200M modules connected through the SCALANCE X005 should be checked for correct PROFINET device names and IP address assignments post-replacement. In multi-switch topologies, also inspect the upstream SCALANCE XC208 or XC216 core switch for port configuration and VLAN settings that may need to be mirrored on the replacement unit. Finally, review any signal isolators or surge protection devices installed on the Ethernet lines — components such as the Siemens SIPROTEC surge arrester or equivalent DIN-rail Ethernet protectors should be tested for continuity to ensure they have not been damaged by the same electrical event that caused the original switch failure.

Site Replacement Workflow

The 6GK1105-2AE00 is designed for direct substitution of legacy SCALANCE X005 units without firmware reconfiguration in most standard PROFINET topologies. Begin by documenting the existing port-to-device mapping using the switch’s PROFINET topology view in STEP 7 or TIA Portal before powering down. This record ensures accurate cable reconnection and eliminates guesswork during restoration.

Power down the cabinet section feeding the switch, disconnect all RJ45 cables in labeled sequence, and release the DIN-rail latch to remove the faulty unit. Mount the replacement 6GK1105-2AE00, reconnect cables in documented order, and restore 24 VDC power. The switch will auto-negotiate port speeds and restore PROFINET communication within seconds in most configurations. For managed topologies requiring SNMP or VLAN configuration, use STEP 7 HW Config or TIA Portal’s Device View to push the saved configuration to the new unit via the network or direct Ethernet connection.

This workflow supports a target restoration time of under 30 minutes for experienced maintenance teams, significantly reducing unplanned downtime costs in continuous process or discrete manufacturing environments. Keeping one spare 6GK1105-2AE00 per control cabinet cluster in your on-site inventory is recommended for facilities operating 24/7 production schedules.

Spare Parts Support FAQ

Q1: Is the 6GK1105-2AE00 compatible with both STEP 7 Classic and TIA Portal environments?
Yes. The SCALANCE X005 series is supported in both STEP 7 V5.x (Classic) and TIA Portal V13 and later. Configuration can be performed via PROFINET auto-detection or manual IP assignment, making it compatible with legacy S7-300/400 systems as well as current S7-1200/1500 deployments.

Q2: What is included in the support terms confirmed by quotation and pre-shipment testing?
Every 6GK1105-2AE00 unit undergoes functional power-on testing, port communication verification, and visual inspection before dispatch. The support terms confirmed by quotation cover manufacturing defects and component failure under normal operating conditions. Units showing fault within the confirmed support period are replaced or credited without additional cost.

Q3: How should I manage long-term spare parts inventory for SCALANCE X005 switches?
For facilities with 5 or more SCALANCE X005 units installed, maintaining a minimum of 1–2 spare switches on-site is recommended. Given that the 6GK1105-2AE00 is a legacy product approaching end-of-life in Siemens’ portfolio, securing buffer stock now mitigates future procurement lead time risk. Store units in original anti-static packaging in a dry, temperature-controlled environment.

Q4: Can the 6GK1105-2AE00 replace other SCALANCE X005 variants such as the 6GK1105-2AA00 or 6GK1105-2AC00?
The 6GK1105-2AE00 shares the same hardware platform as other SCALANCE X005 variants. Compatibility depends on port count and fiber/copper configuration requirements of your specific topology. Consult the SCALANCE X005 product family datasheet or contact our technical team to confirm suitability before ordering if your application involves fiber uplinks or specific managed feature sets.

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6GK1105-2AE00
SIMATIC Series

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