Allen-Bradley 1794-OE4XT FLEX I/O Extreme Environment Analog Output Module
$123.00
$320.00
Description
Allen-Bradley 1794-OE4XT FLEX I/O Extreme Environment Analog Output Module
Configured for digital-to-analog signal conversion in FLEX I/O remote I/O networks, the Allen-Bradley 1794-OE4XT (1794-OE4XT Analog Output Module) provides direct physical/electrical execution through four configurable voltage or current output channels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-OE4XT |
| Brand | Allen-Bradley |
| Origin | Rockwell Automation FLEX I/O Series |
| Operating Temp | -20 deg C to 70 deg C (-4 deg F to 158 deg F) |
| Power Consumption | Max 4.5 W at 31.2 VDC |
| Product Type | Analog Output Module |
| Output Channels | 4 single-ended non-isolated analog outputs |
| Output Ranges | 0 to +10 V, +/-10 V, 0 to 20 mA, 4 to 20 mA |
| Resolution | 12-bit plus sign |
| Conversion Rate | 1.0 ms for all channels |
| External DC Power | 24 VDC nominal (10.5 VDC to 31.2 VDC including 5% AC ripple) |
| External DC Current | 70 mA at 24 VDC excluding current output loop load |
| FLEXBus Current | 20 mA at 5 VDC |
| Thermal Dissipation | Max 15.3 BTU/hr at 31.2 VDC |
| Isolation Voltage | 50 V continuous, tested at 850 VDC for 1 s |
| Compatible Terminal Bases | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN |
| Mounting | DIN-Rail or Panel Mount |
Profinet / EtherNet-IP Deterministic Network and I/O Density Scaling
The Allen-Bradley 1794-OE4XT operates as a FLEX I/O analog output component within distributed control architectures where PLC data is transferred through FLEXBus and remote I/O communication interfaces. The module supports I/O density scaling by providing four independently configurable analog output channels in a compact terminal base-mounted format.
Channel configuration allows voltage and current output selection per channel, enabling connection to field devices including control valves, actuators, drives, and analog recorders. The XT hardware design supports operation across an extended temperature range for installations requiring increased environmental tolerance.
Frequently Asked Questions
Q: Does the 1794-OE4XT support removal and insertion under power?
A: The module supports Removal and Insertion Under Power (RIUP) when installed in non-hazardous locations with compatible FLEX I/O terminal bases.
Q: What type of analog signals can the module generate?
A: The module provides four single-ended non-isolated outputs configurable for voltage ranges of 0 to +10 V and +/-10 V, and current ranges of 0 to 20 mA and 4 to 20 mA.
Q: What is the FLEXBus current requirement of the module?
A: The module requires 20 mA at 5 VDC from the FLEXBus supply.
Field Installation Guidelines
Install the 1794-OE4XT on a compatible FLEX I/O terminal base using DIN-Rail or panel mounting methods according to the system mechanical layout.
Use shielded signal wiring for analog output connections where electrical noise conditions exist. Connect cable shields according to the plant grounding standard and avoid routing analog signal wiring parallel to high-current power conductors.
Verify that external DC supply wiring matches the module power requirements before energizing the system. Confirm terminal base compatibility before module installation.
For current output applications, verify field loop wiring polarity and connected device input impedance. Maintain separation between analog output wiring and switching circuits to reduce electromagnetic interference.
Configure channel output type and scaling parameters in the controller software before placing the module into operational service.
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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