Vaisala WXT536 - Inputs and Outputs

User’s Guide ______________________________________________________________________
176 _________________________________________________________________ M211840EN-C
Inputs and Outputs
- The input can be wiring type, input impedance, or pull-up resistor value.
Table 34 Inputs and Outputs
Property Description/Value
Operating voltage 6 ... 24 VDC (-10 % ... +30 %))
Average current consumption
Minimum 0.1 mA @ 12 VDC (SDI-12 standby)
Typical 3 mA @ 12 VDC (with default measuring
intervals)
Maximum 15 mA @ 5 VDC (with constant
measurement of all parameters)
Heating voltage DC, AC, full-wave rectified AC
12 ... 24 VDC (-10 % ... + 30 %)
12 ... 17 VACrms (-10 % ... +30 %)
Typical heating current 12 VDC: 0.8 A
24 VDC: 0.4 A
12 VACrms: 1.1 A
17 VACrms: 0.8 A
Digital outputs SDI-12, RS-232, RS-485, RS-422
Communication protocols SDI-12 v1.3, ASCII automatic & polled,
NMEA 0183 v3.0 with query option
Table 35 Analog Input Options
Parameter Element Range Input Excitation Resolution
Temperature
PT1000
Resistor 800 ... 1330 Ω 2-wire
4-wire
2.5 V 16 bits
Solar
Radiation K&Z
CMP3
Thermopile 0 ... 25 mV 4 MΩ -12 bits
Level
measurement
IRU
Voltage 0 ... 2.5 V
0 ... 5 V
0 ... 10 V
> 10 kΩ -12 bits
Tipping Bucket
RG13
Frequency 0 ... 100 Hz 18 kΩ 3.5 V