Restart
Measurement of a low-impedance connection of the protective earth (against PE busbar)
Test current: ≥ 0.200 A
Pass criterion: Protective earth/transition resistance < 20 mΩ – missing measuring points: mark "not applicable"
Item | Measuring point description/BMK | Test current
| Protective earth resistance
| Assessment
| Note
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|---|---|---|---|---|---|---|
OK | Not | |||||
01 | Module 1PE screws on the module. |
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02 | Module 2PE screws on the module. |
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03 | Module 3PE screws on the module. |
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04 | Module 4PE screws on the module. |
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05 | Module 5PE screws on the module. |
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06 | Module 6PE screws on the module. |
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07 | Module 7PE screws on the module. |
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08 | Module 8PE screws on the module. |
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09 | Protective grid |
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10 | Cabinet door |
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11 | TOP mounting plate |
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12 | BOTTOM mounting plate |
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Insulation resistance
RINSUL > 1.0 MΩ (in acc. with EN 60204‑1)
Test voltage: 1 kVDC
Test time: Measured value acquisition after 1 minute
Test steps: Electronics/PE to each adjacent circuit
Make sure that, for the entire duration of the tests, fuse F10 is set to ON and the short-circuit connector is plugged in.
DSK+ | → | PE | ____ MΩ |
| DSK- | → | PE | ____ MΩ |
-K1 | → | PE | ____ MΩ |
| -K2 | → | PE | ____ MΩ |
-Q1 | → | PE | ____ MΩ |
| ________ | → | ________ | ____ MΩ |
