Rockwell Automation 1797-OE8 FLEX Ex Analog Modules User Manual - Manual (Page 81)

1 Publication 1797-6.5.1 - May 2005
Appendix
A
Specifications
1797-IE8 and -IE8NF Input
Modules 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 (1797-IE8)
Class I, II, III Division 1 & 2 Groups A-G T4 (1797-IE8NF)
IS Module Type EEx ib IIB/IIC T4
AEx ib IIC T4
Class I Division 1 & 2 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 >15V @22mA
>21.5V @ 0mA
Data Format Configurable
Step Response to
99% of FS 4ms
Module from Adapter
Best/Worst Update Time 50/1450µs
Indicators 8 red fault indicators
1 green power
Output (Intrinsically Safe)
(16 pin male/female
flexbus connector)
U
i
< 5.8V dc
I
i
< 400mA
L
i
= Negligible
C
i
< 1.35µF
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
< 1A
L
i
= Negligible
C
i
= Negligible
Module Field-side Power
Consumption 7.5W