Allen-Bradley 1794-OW8XT Flex I/O Relay Output Module
$123.00
$320.00
Description
Allen-Bradley 1794-OW8XT Flex I/O Relay Output Module
Configured for relay-based discrete output switching in the Allen-Bradley Flex I/O 1794 system, the Allen-Bradley 1794-OW8XT (1794-OW8XT Flex I/O Relay Output Module) provides direct physical/electrical execution through eight isolated normally open relay output channels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-OW8XT |
| Brand | Allen-Bradley |
| Product Type | Flex I/O Relay Output Module |
| Product Line | Flex I/O 1794 |
| Origin | USA |
| Weight | 0.3 lbs |
| Operating Temp | -4 to 158 deg F (-20 to 70 deg C) |
| Power Consumption | 5.5 W |
| Output Channels | 8 relay outputs |
| Relay Contact Rating | 250 V AC |
| Output Type | Isolated normally open relay contacts |
| Supply Voltage Range | 19.2 to 31.2 VDC |
| Current Consumption | 126 mA |
| FlexBus Current | 5 VDC |
| Off-state Leakage Current | 1.0 mA through snubber circuit |
| Minimum Contact Load | 100 uA at 100 mV DC |
| Initial Contact Resistance | 30 milliohm |
| Contact Bounce Time | 1.2 ms |
| Switching Frequency | 1 operation per 3 s (0.3 Hz at rated load) max |
| Thermal Dissipation | 18.8 BTU/hr max |
EtherNet/IP and Flex I/O Backplane Integration Characteristics
The 1794-OW8XT operates as a discrete output node within the Flex I/O 1794 platform architecture. The module exchanges output commands through the FlexBus interface and maintains isolated relay contact switching between the controller-side communication bus and external field wiring.
The module supports I/O density scaling through the Flex I/O modular rack concept, allowing multiple signal modules to be installed on a common adapter-based network segment. Firmware flash compatibility depends on the installed Flex I/O adapter and controller configuration.
Frequently Asked Questions
Q: Are the relay output channels isolated from each other?
A: The 1794-OW8XT provides isolated normally open relay outputs. Each relay channel operates as an independent physical switching path for connected field devices.
Q: What protection is recommended for the relay output wiring?
A: Output channels should be protected with suitable external fusing according to the connected load requirements and field circuit design.
Q: Does the module require a separate external power supply connection?
A: The module operates with a 19.2 to 31.2 VDC supply range and uses FlexBus communication through the Flex I/O system architecture.
Field Installation Guidelines
Install the 1794-OW8XT module on the compatible Flex I/O terminal base and verify correct mechanical engagement before applying system power.
Use field wiring practices appropriate for relay contact circuits. Separate relay output wiring from high-current conductors and high-noise switching circuits where possible. Connect cable shields according to the grounding requirements of the installation design.
Verify that external protective devices are installed for connected loads, especially for inductive equipment that may generate switching transients. Confirm terminal assignments, relay contact states, and controller output addressing before commissioning.
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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