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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 1756-OA16I
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Product Model1756-OA16I
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Spare Model1756OA16I
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Product ParametersIsolated Output Module
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size15.2x15.2x5.1cm
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ManufacturerAllen-Bradley
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Weight0.3 kg
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Outputs16 individually isolated
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Voltage category120/240V AC 50/60 Hz
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Operating voltage range74…265V AC47…63 Hz
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Current draw @ 5.1V300 mA
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Current draw @ 24V2.5 mA
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Power dissipation, max5.5 W @ 60 °C (140 °F)
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Thermal dissipation18.76 BTU/hr
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Off-state leakage current, max3 mA per point
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Load current, min10 mA per point
Description
The Allen-Bradley 1756-OA16I is a 16-point AC digital output module engineered for the ControlLogix programmable automation controller platform. It provides individually isolated output channels for switching 120/240V AC loads in industrial automation applications, with each channel electrically separated from all others and from the backplane to prevent ground loop issues and fault propagation.
Each of the 16 outputs is independently isolated, allowing the module to switch loads at different AC potentials or phases without interaction between channels. This isolation is rated at 250 V continuous with routine testing at 1350 V AC for 2 seconds, ensuring reliable performance in electrically noisy industrial environments. The zero-crossing inhibit voltage of 60 V peak minimizes inrush current and electromagnetic interference by switching AC loads only at the voltage zero crossing point.
Each of the 16 outputs is independently isolated, allowing the module to switch loads at different AC potentials or phases without interaction between channels. This isolation is rated at 250 V continuous with routine testing at 1350 V AC for 2 seconds, ensuring reliable performance in electrically noisy industrial environments. The zero-crossing inhibit voltage of 60 V peak minimizes inrush current and electromagnetic interference by switching AC loads only at the voltage zero crossing point.
Revisions
Revision Part #
Also known as
Alternative Names
1756-0A16I
1756OA161
I756-OA16I
I756OAI6I
1756-OA161
1756OA16I
I756-OAI6I
1756-OAI6I
1756OAI6I
I7560AI61
17560A16I
I756-0AI61
I756OA16I
Information
Overview
Manuals
Application Notes
Product Applications
Wiring the RTB
Features:
- 16 individually isolated AC outputs
- 120/240V AC operating voltage range
- Pilot duty rated at 2A
- High surge current capability
- Scheduled outputs with fault state configuration
- 250V continuous isolation voltage
Designed for installation in a ControlLogix chassis, the 1756-OA16I communicates through the ControlLogix backplane and receives output commands directly from the system controller. The module's isolated architecture helps protect the control system from field-side disturbances and allows independent operation of connected devices across different electrical circuits.
The 1756-OA16I Allen-Bradley ControlLogix AC Output Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1756-OA16I ControlLogix AC Output Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Current capacity is 2 A per point at 30°C with linear derating to 1 A per point at 60°C. The module supports a maximum total current of 5 A at 30°C and 4 A at 60°C across all 16 points. A surge current capability of 20 A for 43 ms per point, repeatable every 2 seconds, allows the module to withstand the high inrush currents of cold incandescent lamps, transformer primaries, and capacitor-input power supplies. The minimum load current of 10 mA per point ensures reliable operation with small indicator lamps and solid-state relays.
The 1756-OA16I draws 300 mA from the 5.1 VDC backplane and 2.5 mA from the 24 VDC backplane, consuming a total of 1.59 W. Maximum power dissipation is 5.5 W at 60°C, with thermal dissipation of 18.76 BTU/hr. These low power requirements minimize heat generation in densely populated chassis configurations.
- Heavy Manufacturing:Controls AC motors & conveyors with differing ground potentials
- Oil & Gas / Chemical Processing:Fault-isolated solenoids/actuators for safety & uptime
- Packaging and Assembly:120/240V relays & high-inrush loads
- Critical Facility Systems:HVAC, AHUs & emergency power transfer
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Wiring Order: Begin wiring from the bottom terminals and work your way up to ensure proper organization.
Strain Relief: Secure the wires into the strain relief area (bottom of the RTB) using a tie wrap.
Heavy Gauge Wires: If your application requires heavier gauge wires, order and use an extended-depth housing (catalog number 1756-TBE or 1756-TBEXT).
Technical notes
The module operates over a wide voltage range of 74 to 265 V AC at 47 to 63 Hz, accommodating both 120 V and 240 V nominal systems with significant tolerance for voltage sags and swells common in industrial power distribution. Output delay times are 9.3 ms at 60 Hz and 11 ms at 50 Hz for both turn-on and turn-off transitions, providing predictable switching behavior for time-critical control applications.
FAQs
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What are the backplane power requirements?
+The module draws 400 mA at 5.1 VDC and 2 mA at 24 VDC from the ControlLogix chassis power supply -
What is the response time for turning outputs on and off?
+The typical signal delay from OFF to ON is 9.3 ms (at 60 Hz) and 11 ms (at 50 Hz); the same delay applies from ON to OFF. -
What are the current ratings and load limits?
+Each point delivers continuous current derating to 1.0 A @ 30 °C, and 0.5 A @ 60 °C. The minimum load is 10 mA per output channel. -
What does the I in 1756-OA16I stand for?
+The "I" stands for Individually Isolated. This means each of the 16 output points has its own separate return/common, allowing you to control devices using different voltage potentials or phases without interfering with one another.
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