Lufft Opus20 E, PoE Temperature and humidity-Data logger for connecting external sensors with Po 8120.31 Manuel D’Utilisation
Codes de produits
8120.31
Operating Instructions OPUS20E For external sensors
13
EN
12. Error Codes
Sensor
Status
Measuring range
Code
0 … 1 V
Negative polarity
approx. < -0.024 V
0x53 (CHANNEL_UNDERRANGE)
Threshold range
-0.024 V … 0.000 V
Displayed: 0.000V
Normal operation
0.000 V … 1.000 V
Threshold range
1.000 V … 1.024 V
Displayed: 1.000V
Overvoltage
approx. > 1.024 V
0x52 (CHANNEL_OVERRANGE)
Special case: open
Floating input, e.g. CHANNEL_OVERRRANGE, also 0x52
4 … 20 mA
Negative polarity
approx. < -0.48 mA
0x53 (CHANNEL_UNDERRANGE)
Sensor failure
approx. -0.48 mA … 0.30 mA
0x55 (MEAS_UNABLE)
Residual current
0.30 mA … 3.00 mA
0x51 (VALUE_UNDERFLOW)
Threshold range
3.00 mA … 4.00 mA
Displayed: 04.00mA
Normal operation
4.00 mA … 20.00 mA
Threshold range
20.00 mA … 20.48 mA
Displayed: 20.00mA
Over current
approx > 20.48 mA
0x52 (CHANNEL_OVERRANGE)
0 … 20 mA
Negative polarity
approx. < -0.48 mA
0x53 (CHANNEL_UNDERRANGE)
Threshold range
-0.48 mA … 0.00 mA
Displayed: 0.00mA
Normal operation
0.00 mA … 20.00 mA
Threshold range
20.00 mA … 20.48 mA
Displayed: 20.00mA
Over current
approx > 20.48 mA
0x52 (CHANNEL_OVERRANGE)