SCK measuring module for monitoring photovoltaic systems, 4 x current measurement up to 20 A, 1 x digital input, interface to SCK communication module
SCK measuring module for monitoring photovoltaic systems, 4 x current measurement up to 20 A, 1 x digital input, interface to SCK communication module
| Protective circuit | Surge protection; 33 V suppressor diode |
| Supply | |
| Supply voltage range | via the SOLARCHECK communication module |
| Own current consumption | 43 mA (typical) |
| 50 mA (maximum) | |
| Signal: digital | |
| Description of the input | Digital input |
| Available input sources | Floating switch contacts |
| Cable length | ≤ 30 m |
| Measurement | |
| Number of inputs | 4 |
| Input current range | 0 A DC ... 20 A DC (UL: 0 A DC...25 A DC) |
| Reverse current detection | -1 A DC ... 0 mA |
| LSB: Current | 20 mA |
| Overload capacity | 5 x IN |
| Temperature coefficient, typical | 0.02 %/K (TK20) |
| Maximum transmission error | ± 1 % (From the measuring range final value) |
| Connection method | Screw connection |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 12 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
| Data: Data interface to SCK-C-MODBUS | |
| Transmission length | ≤ 300 m (0.14 mm²) |
| ≤ 500 m (1.5 mm²) | |
| Protocols supported | Proprietary |
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