Function module E-Diff (8 current transformer inputs)
Function module E-Diff (8 current transformer inputs)
The function module E-Diff is made for the use as residual current measurement (RCM), to monitor alternating currents, direct currents as well as pulsing direct currents. Thereby residual currents against PE can be discovered, what was possible until now only with very expensive modules out of the S7-language area. With this module now every S7-programmer can realize this solution easily with his basic knowledge.
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Function module E-Diff (8 current transformer inputs)
| Use in lower and medium voltage grids | yes |
| Measurement range | 30mA (RMS) (40mA max.) |
| Measurement with / without DC component | adjustable per channel |
| Resolution | 14μA |
| Measurement precision | 0,5% (typ.) |
| Adjustable current transformer ratio | 1:1 ... 1:1000 (individually per channel) |
| Sampling frequency | 4kHz |
| Input frequency range | 0..1kHz |
| Sampling method | Effective value sampling (true RMS) |
| Potential separation to PLC | none |
| Potential separation between sampling inputs | one (current transformers may not be grounded) |
Omschrijving |
Bestelnummer |
| Periphery module E-Diff | PM-EDIFF-02 |
| Connector 2x10pin with lift arms | E-CON20A-00 |
| Connector 2x10pin with bolt flanges | E-CONS20A-00 |
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