User manual

6 Detailed descriptions of I/O modules | Analogue input module UR20-4AI-RTD-DIAG
289Manual u-remote1432790000/08/12.2015
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
Potential isolation
Channel/system bus yes
Channel/channel no
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
Sensor current
depending on the sensor type 0,75mA (Pt100, Ni100, Ni120, Cu10, 40Ω, 80Ω, 150Ω, 300Ω)
or 0,25mA (Pt200, Pt500, Pt1000, Ni200, Ni500, Ni1000, 500Ω, 1kΩ, 2kΩ, 4kΩ)
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 from system current path I
SYS
8mA
Current consumption from input current path I
IN
< 20mA
General data
Weight (operational status)
91g
For additional general data, see Section 3.4