UM-0090-B1E
DT90 Range User Manual
Page 27
RG
Part D
– References
DT90 Series Specifications
Analog Channels
Not available on DT90N
Inputs: 8 dedicated analog channels
Effective resolution: 16 bit
Each connectors may host 2 inputs
Voltage Inputs
Default switchable range: 0-50 mV; 0-2.5 V;
Connectors: A1, A2, A3 and A4
Current Inputs
Range: 0-20 mA; 4-20 mA
Connectors: A1 and A2
RTD Inputs
Types: Pt100
Connectors: A3 and A4
Sensor Excitation (Supply)
12V/ 5V regulated supply for powering sensors & accessories on connector A1, A2 and D1 up to 200 mA
Digital Channels
Counter Inputs
Inputs: 3 dedicated counter channels.
Connector: D1
Serial Inputs
SDI-12
1 SDI-12 input on connector D2, support up to 2 sensors.
Each sensor can have 32 values on 3 additional SDI12 measurements.
Modbus Client (master)
1 serial (RS485) port dedicated with Modbus client protocol, support up to 10 sensors in block read
Available on connector D2
Baud rate: 600 to 115,200
Data Processing
Alarms
Condition: high and low threshold
Number of conditions: 3
Actions: send SMS, increase/ decrease sampling or transmission rate
Scheduling of Data Acquisition
Can read up to 26 channels with individual schedule rate from 1 minute to 24 hours.