Gen4 Passive Component Setup
Vref = 4.096V
CT Current Transformers
| Sensor | Range (Rms Amps) |
Burden Resistor Rb (Ω) |
Dividing Resistor (Ω) |
Gain Resistor Rg (Ω) |
Calibration Coefficient (theoretical) |
|---|---|---|---|---|---|
| SCT-019-000 | 200 | 10 | 0 | ||
| SCT-013-000 | 100 | 10 | 0 | 53.6 kΩ | 69.8 |
| 60 | 10 | 0 | |||
| 50 | 10 | 0 | |||
| 30 | 10 | 0 | |||
| 25 | 10 | 0 | |||
| 20 | 10 | 0 | |||
| 10 | 10 | 0 | 3.6 kΩ | 6.95 | |
| SCT-006-000 | 20 | 10 | 0 | 22k | 14.43 |
| SCT-024 400:5 | 400 | 0.24 | 0 | No | 80 |
| SCT-013-030 | 30 | 62 (internal) | 0 | 200k | 20 |
AC Voltage
| Sensor | Range @ sensor input |
Range @ board input |
Burden Resistor Rb (Ω) |
Dividing Resistor (Ω) |
Gain Resistor Rg (Ω) |
Calibration Coefficient (theoretical) |
|---|---|---|---|---|---|---|
| Any ac/ac adaptor up to 22V output |
(EU) 77DE-06-09: 420V (UK) 77DB-06-09: 455V (US) 77DA-10-09: 220V |
22V | 33 kΩ | 470 kΩ | No | (EU) 77DE-06-09: 290.0 (UK) 77DB-06-09: 314.2 (US) 77DA-10-09: 152.0 |
| Any ac/ac adaptor up to 18V output |
(EU) 77DE-06-09: 360V (UK) 77DB-06-09: 389V (US) 77DA-10-09: 188V |
18.8V | 10 kΩ | 120 kΩ | No | (EU) 77DE-06-09: 248.69 (UK) 77DB-06-09: 268.96 (US) 77DA-10-09: 130.00 |
| ZMPT_1X_225 | 418V | 0.2611V | No | 0 Ω | 22kΩ | 356.7 |
| ZMPT_1X_280 | 263V | 0.1317V | No | 0 Ω | 10kΩ | 181.82 |
| ZMPT_1X_140 | 132V | 0.1317V | No | 0 Ω | 10kΩ | 90.91 |
Vref = 3.3V
| Sensor | Range @ sensor input |
Range @ board input |
Burden Resistor Rb (Ω) |
Dividing Resistor (Ω) |
Gain Resistor Rg (Ω) |
Calibration Coefficient (theoretical) |
|---|---|---|---|---|---|---|
| Any Ideal Power | ||||||
| ZMPT101B 160kΩ in 100Ω out sensitity 0.625mV/V |
280V | No | 0 Ω | 22K | 284.37 (exp) |