Specifications – Rockwell Automation 1794-OE8H, Series B Flex I/O Output HART Module Installation Instructions User Manual
Page 29
FLEX I/O 8 Output HART Analog Module 29
Publication
1794-IN109D-EN-P - January 2014
Specifications
FLEX I/O 8 Output HART Analog Module - 1794-OE8H, Series B
Attribute
Value
Number of outputs
8 single-ended, non-isolated
Module base
Catalog numbers 1794-TB3G, 1794-TB3GS
Resolution
13 bits
Absolute accuracy
0.1% Full Scale @ 20 °C (68°F)
Accuracy drift with
temperature
(1)
0.010% Full Scale for 0 °C...55 °C (32...131 °F)
Functional data range
>15V @ 22 mA
>22V @ 0 mA
Data format
Configurable
Step response to 99% of FS
4 ms
Conversion type
Sigma Delta
Update rate
see input update rate table
Output terminals
(Terminals: 0...2; 4...6; 8...10; 12...14;
17...19; 21...23; 25...27; 29...31)
Power Supply
(Terminals: 34/50 (+);
35/51 (-))
24V DC nominal using Catalog number 1794-PS13
19.2…31.2V DC (includes 5% ripple)
Indicators
8 red fault indicators
8 yellow HART communication indicators
1 green power
Isolation voltage
50V (continuous), Basic Insulation Type
Routine tested at 850V DC for 1 s, between field side and
system
No isolation between individual channels
Voltage variation
IEC 61000-4-29:
10 ms interruption on DC supply ports
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