Allen-Bradley 1794-OA8I FLEX I/O AC Digital Output Module
Technical specifications
Manufacturer: Allen Bradley
Condition：New with Original Package
Product Type: Digital Output Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
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Product Description
The Allen-Bradley 1794-OA8I, also cataloged as the 1794-OA8I FLEX I/O AC Digital Output Module, provides eight individually controlled AC output channels for switching connected field loads within FLEX I/O distributed I/O assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-OA8I |
| Brand | Allen-Bradley |
| Series | FLEX I/O |
| Module Type | AC Digital Output Module |
| Number of Outputs | 8 |
| Output Voltage | 120/240 VAC |
| Output Type | AC digital outputs |
| Maximum Load per Channel | 2 A |
| Total Module Load | 8 A |
| Response Time | 10 ms typical |
| Load Type | Resistive, inductive, or motor loads |
| Operating Temp | 0 deg C to 60 deg C |
| Storage Temp | -40 deg C to 85 deg C |
| Humidity | 5-95% RH, non-condensing |
| Diagnostics | LED output and module status indication |
| Isolation | Channel-to-channel and field-to-backplane isolation |
| Mounting | FLEX I/O assembly |
| Dimensions | 120 mm x 25 mm x 90 mm |
| Weight | 0.35 kg |
FLEX I/O Industrial Control Characteristics
The 1794-OA8I provides eight discrete AC switching points in a FLEX I/O architecture. The individual channels allow separate control of connected AC loads from the host control system.
The module supports 120/240 VAC output circuits and a stated maximum channel load of 2 A. The supplied data also specifies an 8 A total module load.
FLEX I/O supports distributed I/O expansion, allowing I/O density to be scaled by adding application-specific modules to the corresponding FLEX I/O assembly. The 1794-OA8I handles the physical AC output switching function, while the associated FLEX I/O adapter manages communication with the control network.
Frequently Asked Questions
Q: How many AC output channels are provided by the 1794-OA8I?
A: The module provides 8 individually controlled AC output channels.
Q: What AC voltage range is specified for the outputs?
A: The supplied data specifies 120 VAC and 240 VAC output operation.
Q: What is the specified maximum output load?
A: The supplied data specifies a maximum of 2 A per channel and 8 A total module load.
Field Installation Guidelines
Install the module within the specified FLEX I/O assembly and follow the applicable system installation documentation.
Separate AC output wiring from low-level analog, communication, and other noise-sensitive signal wiring where practical. Use appropriate conductor sizing and overcurrent protection for the connected load.
Verify the field supply voltage before connecting the output terminals. Confirm that the connected load does not exceed the stated channel and total module current limits.
For shielded control wiring, terminate shields according to the plant grounding standard and avoid creating unintended ground loops. Maintain appropriate physical separation between power conductors and communication or instrumentation wiring.
Before energizing the circuit, verify terminal assignments, polarity where applicable, conductor condition, and the intended load connection.
Other Attributes
- Series: Allen-Bradley ControlLogix
- Country of Origin: USA
- Lead Time: In Stock, 2 Working Days
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