Restart
Measurement of a low-impedance connection of the protective earth (against PE busbar)
Test current: ≥ 0.200 A
Good criterion: Protective earth/transition resistance < 20 mΩ – missing measuring points: Mark as not applicable
Item | Measuring point description/BMK | Test
| Protective earth
| 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
RISO > 1.0 MΩ (in accordance with EN 60204-1)
Test voltage: DC 500 V
Test time: Measurement of values after 1 minute
Test steps: Electronics/PE to each adjacent circuit
Make sure that fuse F10 is set to ON and the short-circuit connector is plugged in for the entire duration of the tests.
DSK+ | → | PE | ____ MΩ |
| DSK- | → | PE | ____ MΩ |
-K1 | → | PE | ____ MΩ |
| -K2 | → | PE | ____ MΩ |
-Q1 | → | PE | ____ MΩ |
| ________ | → | ________ | ____ MΩ |
