Rated 4.9 with 6 reviews



The Allen-Bradley 1794-ACN15 Redundant Media ControlNet Adapter has a 24 V DC Voltage, a 8 Modules I/O Capacity, and a 19.2-31.2V DC Input Voltage Range. It also operates with a 850V DC Isolation Voltage and a 23A for 2ms Inrush Current.

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About 1794-ACN15

The Allen Bradley 1794-ACN15 is a Flex I/O adapter module for ControlNet Single Media Flex I/O PLC. This Flex I/O adapter module contains a built-in power supply that converts 24 Volts DC for the backplane to power the Flex I/O modules with an Amperage Rating of 400 MA Load and Voltage Rating of 19.2 to 31.2  Volts DC (includes a 5% AC Ripple). One adapter functions with up to 8 I/O modules, which have communication speeds up to 5 Mbps.

The maximum power dissipation of this unit is 3.4 Watts at 19.2 Volts DC, with a thermal dissipation of 15.7 BTU/hour maximum at 19.2 Volts DC. Its inrush current is 23 A for 2 milliseconds with a current draw of 450 mA maximum or 330 mA at 24 Volts DC.

It is mounted through the DIN rail to the ground chassis; for proper grounding, use a zinc plated yellow-chromate steel DIN rail with an open-type design. It is European Zone 2 and North American Hazardous Location approved, has a degree of protection of IP 20 to prevent injuries and damages to the personnel and to the machine, and should be mounted in an enclosure suitable for a specific environment. The equipment’s temperature rating runs in between -25 and 55 degrees Celsius, and its power wiring must not exceed up to 32.8 feet (10 meters) in length. Its total size is 3.6 x 3.7 x 3.44 inches (87 x 94 x 69 millimeters) and weighs up to 0.3 pounds (0.136 kilograms). It has the following indicators: I/O status - red/green, Comm A - red/green, and Comm B - red/green.

Technical specifications:

Part Number:1794-ACN15
Product Type:Redundant Media ControlNet Adapter
Voltage:24 V DC
Input Voltage Range:19.2-31.2V DC
Flexbus Output Current:640 mA max.
Isolation Voltage:850V DC
Inrush Current:23A for 2ms
Power Dissipation:4.6W max. @ 19.2V DC
Communication Rate:5M bps
Current Draw:450mA max.

Please refer to the manual for more information about the 1794-ACN15 such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.

Revision Part # Also Known as Availability
1794-ACN15 Ser A
1794-ACN15/A, Series A, Rev A Request Quote
1794-ACN15 Ser B
1794-ACN15/B, Series B, Rev B Request Quote
1794-ACN15 Ser C
1794-ACN15/C, Series C, Rev C Request Quote
1794-ACN15 Ser D
1794-ACN15/D, Series D, Rev D Request Quote

Common misspellings: 1794ACN15