User manual

6 Detailed descriptions of I/O modules | Analogue input module UR20-4AI-TC-DIAG
297Manual u-remote1432790000/08/12.2015
Technical data UR20-4AI-TC-DIAG (Order No. 1315710000)
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
J, K, T, B, N, E, R, S, L, U, C, mV
Resolution
16 bits
Accuracy
Conversion time ≥ 80ms: 10µV + 0.1 % of voltage measurement range (without cold-junction
measurement error)
Sensor connection
2-wire
Sensor current
0,25mA for the cold-junction compensation with a Pt1000
Cold-junction compensation
Internal and external (Pt1000), int. accuracy ≤3 K
Temperature coefficient
±50ppm/K max.
Temperature range -200°C ... +2315°C
Conversion time 36 ... 240ms, adjustable
Common mode input voltage range
Channel to channel: max. ±2V
Channel to voltage supply: max. ±50V
Internal resistance
> 1 MΩ
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)
86g
For additional general data, see Section 3.4