Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual - Manual (Page 113)

1 Publication 1797-6.5.3 - March 2006
Appendix
A
Specifications
1797-IE8H Input Module Specifications
Number of Inputs 8 single-ended, non-isolated
IS Input Type EEx ia IIB/IIC T4
AEx ia IIC T4
Class I, II, III Division 1 Groups A-G T4
IS Module Type EEx ib IIB/IIC T4
AEx ib IIC T4
Class I Division 1 Groups A-D T4
Resolution 16 bits
Transfer Characteristics
Accuracy at 20 °C (68 °F)
Temperature Drift 0.1% of output signal range
0.005%/C of output signal range
Functional Data Range >17V @ 20 mA
>21.5V @ 0 mA
Data Format Configurable
Step Response to
99% of FS 60 ms
(0…90% of the measured value by smallest filter setting)
Module from Adapter
Best/Worst Update Time 50/1450 µs
(Best case Flexbus-cycle time is 1.6 ms)
Indicators 8 red fault indicators
1 green power
Output (Intrinsically Safe)
(16 pin male/female
flexbus connector)
U
i
< 5.8V dc
I
i
< 400 mA
L
i
= Negligible
C
i
< 1.35 µF
Isolation Path
Input to Power Supply
Input to Flexbus
Input to Input
Power Supply to
Flexbus
Isolation Type
Galvanic to DIN EN50020
Galvanic to DIN EN50020
None
Galvanic to DIN EN50020
Power Supply
(+V, -V intrinsically safe) U
i
< 9.5V dc
I
i
< 1 A
L
i
= Negligible
C
i
= Negligible
Module Field-side Power
Consumption 7.5 W
Power Dissipation 5.2 W