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1794-IE8H | Allen-Bradley 1794 Flex I/O HART Analog Module ... | Image

Rated 4.9 with 17 reviews

About | Product Specifications | FAQ

1794-IE8H

Revisions: Ser A Ser B

Description: The Allen-Bradley 1794-IE8H Flex I/O HART Analog Module has 8 Single-ended Inputs, a 16 bits Resolution, and a Successive Approximation Conversion Type. It also operates with a >17V @ 22mA Functional Data Range and a 5V DC 80mA FlexBus Current External Input.

Request a quote for 1794-IE8H

Warranty:	1 year DO Supply Warranty Included
Shipping:	Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs:	We offer repair service for the 1794-IE8H.
Exchange:	Exchange credit for your defective unit available.

To Speak to a sales representative for pricing & lead time:

Phone

1-800-730-0292

International

919-205-4392

Email

sales@dosupply.com

About 1794-IE8H

The Allen-Bradley 1794-IE8H is a FLEX HART analog input module. It has 8 single-ended, non-isolated HART interface inputs, as well as status indicators. Eight of these indicators are red fault indicators, 8 are yellow channel indicators, and 1 is a green power indicator. The 1794-IE8H module’s inputs have selectable firmware digital filters and fixed hardware filters. This module also has a resolution of 16 bit unipolar and 15 bit bipolar. Terminal base units compatible with the 1794-IE8H module are the 1794-TB3G and the 1794-TB3GS. No enclosure is needed.

The 1794-IE8H module’s features include a remote transmitter alarm, lead breakage detection, local microprocessor intelligence for the advanced features, over-range and under-range alarms, data ranges that the user can independently program in channel groups, and it can function without switches or jumpers. Its configurable features are the input filter cutoff, fault mode, data format, high/low error level, and the remote transmitter error correcting feature. To configure these features, use the PLC programming software's I/O configuration. The default input range for the 1794-IE8H is 0 to 20 mA. It has a voltage rating of 19.2 to 31.2 Volts DC and comes with a functional data range of more than 23 Volts at 0 mA and more than 17 Volts at 22 mA. It also has a nominal external DC supply current of 295 mA at 24 Volts DC. Its functional data range is greater than 17 Volts at 22 mA and greater than 23 Volts at 0 mA. The module’s flexbus current external input is 5 Volts DC 80 mA and 24 Volts DC 190 mA.

The 1794-IE8H module has an absolute accuracy of 0.1% full scale at 20 degrees Celsius, while its accuracy drift with temperature is 0.05% full scale for 0 to 55 degrees Celsius. This module has no isolation between individual channels but it does have a 50 Volts continuous isolation voltage between the field side and system. The maximum power dissipation is 3.9 W and maximum thermal dissipation is 13.5 BTU/hour, both at 31.2 Volts DC. The 1794-IE8H’s step response to 99% is 80 milliseconds and it has a voltage variation of 10 milliseconds interruption on DC supply ports. It has an operating temperature of -20 to 55 degrees Celsius and a non-operating temperature of -40 to 85 degrees Celsius. Its operating vibration is 2 g at 10 to 500 Hertz and it also has an operating and non-operating shock of 15 g.

Technical specifications:

Part Number:	1794-IE8H
Product Type:	Flex I/O HART Analog Module
Inputs:	8 Single-ended
Resolution:	16 bits
Conversion Type:	Successive Approximation
Data Format:	Configurable

Functional Data Range:	>17V @ 22mA
FlexBus Current External Input:	5V DC 80mA
Enclosure Type Rating:	None (open-style)
Isolation Voltage:	50V Continuous
Power Dissipation:	3.9W @ 31.2V DC max.
Thermal Dissipation:	13.5 BTU/hr. @ 31.2V DC

FAQ

Question: How many inputs does the 1794-IE8H contain?

Answer: The 1794-IE8H has 8 single-ended, non-isolated inputs.

Question: What are the dimensions of the 1794-IE8H?

Answer: The dimensions of the 1794-IE8H are 46 x 94 x 75 mm.

Question: What is the price of a 1794-IE8H?

Answer: Submit quote request, send us an email, or call 800-730-0292 for our best price.

Question: Does DO Supply offer repair services for the 1794-IE8H?

Answer: Yes, DO Supply offers repair services for a variety of Allen-Bradley products, such as the 1794-IE8H. For more information or to request a repair quote, please click here.

Please refer to the manual for more information about the 1794-IE8H such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.

Revision Part #	Also Known as	Availability
1794-IE8H Ser A	1794-IE8H/A, Series A, Rev A	Request Quote
1794-IE8H Ser B	1794-IE8H/B, Series B, Rev B	Request Quote