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Specifications – Rockwell Automation 1794-OE8H, Series B Flex I/O Output HART Module Installation Instructions User Manual

Page 29

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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