User manual

Detailed descriptions of I/O modules | Analogue input module UR20-4AI-RTD-DIAG
200 1432790000/03/02.2014Manual u-remote
TechnicaldataUR20-4AI-RTD-DIAG(OrderNo.1315700000)
System data
Data
Process, parameter and diagnostic data depend on the coupler used,
see the table in Section 4.10.
Interface
u-remote system bus
System bus transfer rate
48 Mbps
Inputs
Number
4
Sensor types
Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni 200, Ni500, Ni1000, Cu10, 40Ω, 80Ω, 150Ω,
300Ω, 500Ω, 1kΩ, 2kΩ, 4kΩ
Resolution
16 bits
Accuracy
max. 0.2 % FSR / 0.3 % FSR for Ni sensors / 0.6 % FSR for Cu10
Sensor connection
2-wire, 3-wire, 4-wire
Max.wireresistance/measurementrange
2.5Ω / 40Ω, 5Ω / 80Ω, 10Ω / 150Ω and
Cu10, 25Ω in all other measuring ranges
Temperature coefficient
±50ppm/K max.
Temperaturerange
-200 ... +850°C
Conversion time
36 to 240ms, adjustable
Commonmodeinputvoltagerange
Channel to channel: max. ±2V
Channel to voltage supply: max. ±50V
Reverse polarity protection
yes
Modulediagnosis
yes
Individualchanneldiagnosis
yes
Supply
Supplyvoltage
24V DC +20 %/-15 %
Currentconsumption(I
IN
inthepowersegmentofthefield-bus
coupler),typ.
8mA
Currentconsumption(I
IN
intherespectivepowersegment)
20mA (input current path)
General data
Weight
91g
Foradditionalgeneraldata,seeSection3.4