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1794-IF4I | Allen-Bradley 1794 Flex I/O Isolated Input Anal... | Image

Rated 4.3 with 14 reviews

About | Product Specifications | FAQ

1794-IF4I

Revisions: Ser A

Description:

The Allen-Bradley 1794-IF4I Flex I/O Isolated Input Analog Module has 4 Isolated Inputs, a 16 bits Resolution, and a Sigma Delta Conversion Type. It also operates with a +/- 10V Input Voltage Terminal and a 50mA FlexBus Current.

Request a quote for 1794-IF4I

Warranty:	1 year DO Supply Warranty Included
Shipping:	Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs:	We offer repair service for the 1794-IF4I.
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-IF4I

The Allen-Bradley 1794-IF4I is a FLEX isolated I/O module. This 24 Volts DC analog module has 4 differential-ended, isolated inputs available and comes with a power and status indicator. It is compatible with a number of terminal base units, namely the 1794-TBT, 1794-TBT3S, 1794-TB3, 1794-TB3S, 1794-TBNF, and the 1794-TBN. The 1794-IF4I has a 16 bits unipolar resolution, 15 bits + bipolar resolution, and an open-type enclosure. It can be mounted using a DIN rail or a panel. The 1794-IF4I has a sigma-delta input conversion type with an input conversion rate of 2.5 to 7.5 milliseconds for all channels. It arrives factory-calibrated and it can be recalibrated when necessary. Its accuracy is 0.1% full scale at 25 degrees Celsius for both the voltage input and current input. Note that the voltage input accuracy includes gain, repeatability, offset, and nonlinearity error terms. The module has a Flexbus current of 50 mA and a Flexbus voltage of 5 Volts DC.

Its external DC power supply current is 80 mA at 24 Volts DC and its external DC power supply nominal voltage range is 19.2 to 31.2 Volts DC, including a 5% AC ripple. The 1794-IF4I has a current draw of 145 mA at 5.1 Volts and 125 mA at 24 Volts. It also has varying input current terminal ranges of 4 to 20 mA, 0 to 20 mA, and +/-20 mA, as well as varying input voltage terminal ranges of +/-10 Volts, 0 to 10 Volts, +/-5 Volts, and 0 to 5 Volts, all of which are user-configurable. The 1794-IF4I’s isolation voltage depends on what terminal base unit is installed to it. Its continuous isolation voltage is 120 Volts when using the 1794-TBT3S, 1794-TB3T, 1794-TB3S, 1794-TB3, and the 1794-TB2 base units. When using a 1794-TBN base unit, its continuous isolation voltage becomes 250 Volts. This module has an operating temperature of -20 to 55 degrees Celsius and a non-operating temperature of -40 to 85 degrees Celsius. Its maximum surrounding air temperature is 55 degrees Celsius and it has a non-condensing relative humidity of 5 to 95%. It has an operating vibration of 5 G, a non-operating shock of 50 G and an operating shock of 30 G.

Technical specifications:

Part Number:	1794-IF4I
Product Type:	Flex I/O Isolated Input Analog Module
Inputs:	4 Isolated
Resolution:	16 bits
Conversion Type:	Sigma Delta
Input Current Terminal:	4 to 20mA

Input Voltage Terminal:	+/- 10V
FlexBus Current:	50mA
External DC Power Supply:	24 Volts DC nomial
Isolation Voltage:	120 Volts Continuous
Power Dissipation:	2.0 Watts at 31.2 Volts DC maximum
Thermal Dissipation:	6.8 BTU/hour at 31.2 Volts DC maximum

FAQ

Question: What is the wire type for the 1794-IF4I?

Answer: The wire type for the 1794-IF4I is a shielded wire on signal ports.

Question: Is 1794-IF4I calibrated?

Answer: The 1794-IF4I is factory calibrated but can be field calibrated when necessary.

Question: Can this module be purchased with a warranty?

Answer: Yes, the 1794-IF4I comes with a free one-year warranty from DO Supply, Inc.

Question: What is this module’s power dissipation?

Answer: The 1794-IF4I has a power dissipation of 20 Watts and a thermal dissipation of 6.8 BTU/hour.

Question: Where can I send the 1794-IF4I to be repaired?

Answer: DO Supply, Inc. offers a variety of repair services for the 1794-IF4I.

Please refer to the manual for more information about the 1794-IF4I such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.