Allen Bradley 1756-OA16I A Specification
| Feature | Specification |
|---|---|
| Module Type | 16-Point Individually Isolated AC Output |
| Operating Voltage | 74V – 265V AC (47–63 Hz) |
| Number of Outputs | 16 (Individually Isolated) |
| Max. Current (per point) | 1.0 A @ 60 °C / 2.0 A @ 30 °C |
| Max. Current (per module) | 5.0 A Total |
| Isolation Voltage | 250V Continuous (Output-to-Output) |
| Backplane Current (5.1V) | 400 mA |
| Backplane Current (24V) | 2 mA |
| Power Dissipation | 5.5 W (Max) |
| On-State Voltage Drop | 1.5V AC Peak @ 2.0 A |
| Off-State Leakage | 3.0 mA per point |
| Compatible RTB | 1756-TBCH or 1756-TBS6H |
Allen Bradley 1756-OA16I A Images
Allen Bradley 1756-OA16I A
Allen Bradley 1756-OA16I A
Allen Bradley 1756-OA16I A
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Allen Bradley ControlLogix digital output module Details
Description
The Allen-Bradley 1756-OA16I is a high-performance ControlLogix discrete AC output module featuring 16 individually isolated channels designed to interface with diverse power sources and phases.
Operating within a broad voltage range of 74–265V AC, Allen Bradley ControlLogix digital output module supports high-current demands up to 2A per point and is engineered to handle significant inrush currents from motor starters and solenoids. Allen Bradley ControlLogix digital output module is isolated architecture prevents ground loops and electrical interference, while features like Removal and Insertion Under Power (RIUP) and per-point LED diagnostics ensure high system availability and simplified troubleshooting in demanding industrial environments.
Features
Allen Bradley ControlLogix digital output module Individual Channel Isolation: Provides 16 fully isolated outputs, allowing each point to use different power sources or phases.
1756-OA16I A ControlLogix digital output module High Current Capacity: Supports up to 2A per point at 30°C, making it suitable for high-power AC applications.
1756-OA16I A ControlLogix digital output module Broad Voltage Range: Operates across a wide range from 74V to 265V AC for global compatibility.
1756-OA16I A ControlLogix digital output module Robust Surge Protection: Capable of handling high inrush currents (20A surge) often found in motor starters and solenoids.
Application
Individually Isolated Load Control: Ideal for systems where each output must be powered by a different AC source or phase without sharing a common return.
Heavy-Duty AC Actuation: Used to drive high-current AC loads such as large motor starters, heavy-duty contactors, and industrial solenoids.
Cross-Phase Switching: Perfect for applications requiring the simultaneous control of both 120V AC and 240V AC loads within the same module.
Infrastructure & Utility Control: Frequently used in water treatment plants and power distribution centers to manage isolated signaling and switching.
1756-OA16I A ControlLogix digital output module FAQ
Q1: What is the defining electrical characteristic of the 1756-OA16I A output channels?
A: The 1756-OA16I A provides 16 individually isolated outputs, meaning each channel on the 1756-OA16I A can operate from independent AC power sources or different phases without a shared common.
A: The 1756-OA16I A provides 16 individually isolated outputs, meaning each channel on the 1756-OA16I A can operate from independent AC power sources or different phases without a shared common.
Q2: What is the maximum current capacity per point for a 1756-OA16I A module?
A: At 30°C, the 1756-OA16I A can handle up to 2 A per point, while at its maximum operating temperature of 60°C, the 1756-OA16I A supports 1 A per point.
A: At 30°C, the 1756-OA16I A can handle up to 2 A per point, while at its maximum operating temperature of 60°C, the 1756-OA16I A supports 1 A per point.
Q3: Does the 1756-OA16I A feature internal overcurrent protection?
A: No, the 1756-OA16I A does not contain internal electronic fusing; therefore, users must provide external fusing to protect the 1756-OA16I A circuitry from potential short circuits.
A: No, the 1756-OA16I A does not contain internal electronic fusing; therefore, users must provide external fusing to protect the 1756-OA16I A circuitry from potential short circuits.
Q4: What is the minimum load current required for the 1756-OA16I A to switch correctly?
A: To ensure the Triac outputs of the 1756-OA16I A transition properly, a minimum load of 10 mA per point is required for the 1756-OA16I A.
A: To ensure the Triac outputs of the 1756-OA16I A transition properly, a minimum load of 10 mA per point is required for the 1756-OA16I A.
Q5: Can the 1756-OA16I A be replaced while the ControlLogix chassis is powered?
A: Yes, the 1756-OA16I A supports Removal and Insertion Under Power (RIUP), allowing maintenance personnel to replace the 1756-OA16I A without interrupting system power.
A: Yes, the 1756-OA16I A supports Removal and Insertion Under Power (RIUP), allowing maintenance personnel to replace the 1756-OA16I A without interrupting system power.
Q6: What surge current can the 1756-OA16I A withstand during inductive load startup?
A: The 1756-OA16I A is rated for a peak surge current of 20 A per point for 43 ms, enabling the 1756-OA16I A to drive large solenoids and contactors.
Other Modules
| 1785-L60B | 1756-RIO |
| 1756-CN2 | 1756-RMC3 |
| 1746-IB32 | 1756SC-IF8H |
| 1756-IF16 | 1757-SRM |
| 1747-BA | 1768-EWEB |
| 1771-OBD | 1769-ADN |
| 1203-GD1 | 1769-BA |
| 1746-HT | 1769-IQ32 |
| 1746-IB16 | 1769-IR6 |
| 1746-IH16 | 1771-DB |
| 1746-IO8 | 1771-IK |
| 1746-IV16 | 1771-IL |
| 1746-NI8 | 1771-IR |
| 1746-NIO4I | 1771-NIS |
| 1746-OB32 | 1771-OZL |
| 1746-OW16 | 1775-L4 |
| 1747-ACN15 | 1784-PKTS |
| 1747-L531 | 1784-PKTXD |
| 1747-SCNR | 1785-BCM |
| 1756-CNB | 1785-L80C |
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