YO Modbus
User guide
v2.1
page 8/33
Operating conditions
OPERATING CONDITIONS
Temperature
0° to 70°C
Humidity
0 to 90%
Placement
Indoor use
Power supply
6 - 30 V DC
5 - 21 V AC
Power consumption
Typical: 12 mA DC (12 V DC)
Maximum: 120 mA DC (12 V DC)
Measured values
Internal voltage is used to monitor device condition to detect anomalies (like sudden drop) or its
current condition from voltage drop over time below the initial voltage rating.
Figure 4
Internal voltage chart.