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valz · Member 3 Joined: 26 Jul 2015 Posts: 771

Residual Current Monitoring with ET 200SP
https://support.industry.siemens.com/cs/document/109804052/
To avoid a hazardous electric strike in case of damaged isolations, you can measure the residual currents of all conductors.
Electrical systems and equipment must be designed and installed in such a way that they comply with the legal requirements and can be safely operated. The manufacturer can guarantee this protection at the time a product is placed on the market. However, due to wear, external influences and aging, damage to the insulation can occur, which can result in dangerous contact. Regular checks such as visual inspection and measurement can detect potential damage at an early stage and appropriate corrective action can be taken.

ET 200SP Residual Current Monitoring ET 200SP Residual Current Monitoring

ET 200SP Residual Current Monitoring ET 200SP Residual Current Monitoring

Generally, for a measure of isolation, a shut down of the plant is necessary. On the measure of the residual currents (RCM) of all conducting wires, a statement about damages of the isolation is possible without having to shut down the plant.

Documentation and Example Project (TIA portal V17)
https://support.industry.siemens.com/cs/attachments/109804052/109804052_RCM_DOC_V2_0_TIAP_V17_EN.pdf
https://support.industry.siemens.com/cs/attachments/109804052/109804052_RCM_PROJ_V2_0_TIAP_V17.zip
Documentation and Example Project (TIA Portal V16)
https://support.industry.siemens.com/cs/attachments/109804052/109804052_RCM_DOC_V1_0_1_TIAP_V16_EN.pdf
https://support.industry.siemens.com/cs/attachments/109804052/109804052_RCM_PROJ_V1_0_TIAP_V16.zip
https://support.industry.siemens.com/cs/attachments/109804052/109804052_RCM_CODE_V1_0_TIAP_V16.zip

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