Allen-Bradley 1794-OA16 FLEX I/O AC Digital Output Module
$123.00
$320.00
Description
Allen-Bradley 1794-OA16 FLEX I/O AC Digital Output Module
The Allen-Bradley 1794-OA16, also cataloged as the 1794-OA16 FLEX I/O AC Digital Output Module, operates as a dedicated hardware component for AC actuator signal switching within Allen-Bradley FLEX I/O distributed I/O networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-OA16 |
| Brand | Allen-Bradley |
| Origin | United States |
| Product Type | FLEX I/O AC Digital Output Module |
| Product Line | FLEX I/O 1794 |
| Number of Outputs | 16 non-isolated AC digital outputs |
| Output Voltage Range | 74 to 132 VAC |
| Nominal Output Voltage | 120 VAC |
| Output Current Rating | 4.0 A |
| On-state Current | 5 mA minimum per output |
| On-state Voltage Drop | 1.5 VAC maximum at 0.5 A |
| Off-state Leakage Current | 2.25 mA maximum |
| Isolation Voltage | 120 V continuous, field to backplane |
| FlexBus Current | 80 mA at 5 VDC |
| Power Consumption | 4.7 W maximum at 0.5 A |
| Thermal Dissipation | 16.1 BTU/hr maximum at 0.5 A |
| Weight | 0.25 lbs |
| Dimensions | 6.9 cm x 9.4 cm x 9.4 cm |
| Operating Temp | 0 to 55 C |
| Storage Temp | -40 to 85 C |
| Mounting | DIN Rail |
| Enclosure | Open-type |
| Terminal Base Compatibility | 1794-TBN, 1794-TBNF, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD, 1794-TBNK, 1794-TBNFK, 1794-TB3K, 1794-TB3SK |
| Indicators | 16 yellow field-side status indicators |
| Keyswitch Position | 8 |
| Surge Current | 7 A for 40 ms, repeatable every 8 seconds |
EtherNet/IP and FLEX I/O Backplane Integration
The 1794-OA16 interfaces with FLEX I/O adapters through the FLEXBus backplane connection. The module transfers output command data through the distributed I/O architecture while maintaining an 80 mA backplane current requirement at 5 VDC. The FLEX I/O platform supports Profinet / EtherNet/IP deterministic networks through compatible adapter modules, allowing distributed output expansion based on system I/O density requirements.
The module provides sixteen AC switching channels without channel-to-channel isolation. Field wiring is connected through compatible 1794 terminal bases, with terminal selection determined by installation requirements and application wiring configuration.
Frequently Asked Questions
Q: Does the 1794-OA16 provide isolation between individual output channels?
A: No. The 1794-OA16 provides field-to-backplane isolation at 120 V continuous but does not provide isolation between individual output channels.
Q: What terminal bases are compatible with the 1794-OA16 module?
A: The module operates with multiple FLEX I/O terminal bases including 1794-TBN, 1794-TBNF, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD, 1794-TBNK, 1794-TBNFK, 1794-TB3K, and 1794-TB3SK.
Q: Can the 1794-OA16 be installed directly without a terminal base?
A: No. The module requires a compatible FLEX I/O terminal base for field-side electrical connections and DIN rail installation.
Field Installation Guidelines
- Install the module on a suitable DIN rail system with adequate mechanical support for the FLEX I/O assembly.
- Use only compatible 1794 terminal bases to establish field wiring connections.
- Route AC field wiring separately from low-level signal wiring to reduce electrical interference.
- Verify field conductor sizing according to the selected terminal base specifications.
- Connect protective grounding according to the enclosure and control panel grounding requirements.
- Confirm that the external AC power supply matches the connected field device requirements before energizing outputs.
- Maintain correct module keyswitch positioning to prevent incorrect module substitution within the FLEX I/O system.
- Verify output indicator operation after completing field wiring and network configuration checks.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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