Allen-Bradley 1794-OB16D FLEX I/O Digital Output Module
$123.00
$320.00
Description
Allen-Bradley 1794-OB16D FLEX I/O Digital Output Module
The Allen-Bradley 1794-OB16D, also cataloged as the 1794-OB16D FLEX I/O Digital Output Module, operates as a dedicated hardware component for 24 VDC discrete output execution within FLEX I/O 1794 control system platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-OB16D |
| Brand | Allen-Bradley |
| Origin | USA |
| Product Type | FLEX I/O Digital Output Module with Diagnostics |
| Product Line | FLEX I/O 1794 |
| Outputs | 16 nonisolated sourcing outputs |
| Output Voltage | 24 VDC nominal |
| Output Current Rating | 8.0 A total output rating |
| On-state Current | 500 mA maximum per channel |
| Off-state Leakage | 0.5 mA maximum |
| Output Signal Delay | 0.5 ms |
| Isolation Voltage | 50 V |
| FlexBus Current | 60 mA at 5 VDC |
| Power Consumption | 4.8 W maximum at 31.2 VDC |
| Thermal Dissipation | 16.4 BTU/hr at 31.2 VDC maximum |
| Weight | 0.21 lb |
| Mounting Type | DIN rail mounting, IP20 open style |
Profinet / EtherNet-IP Deterministic Networks and I/O Density Scaling
The 1794-OB16D is a FLEX I/O discrete output module designed for distributed I/O architectures requiring compact channel expansion. The module provides 16 sourcing DC output channels with diagnostic capability for monitoring field output conditions.
The FLEX I/O platform supports modular I/O density scaling through distributed terminal assemblies and backplane communication structures. Output command data is transferred through the FLEXBus interface, with the module requiring 60 mA at 5 VDC from the bus supply.
The diagnostic output design allows the controller system to identify output-related conditions such as channel state changes and electrical load abnormalities according to configured application parameters.
Frequently Asked Questions
Q: Does the 1794-OB16D provide isolated output channels?
A: No. The module provides 16 nonisolated sourcing DC outputs with a specified isolation voltage rating of 50 V.
Q: What is the FlexBus current requirement for this module?
A: The 1794-OB16D requires 60 mA at 5 VDC from the FLEX I/O backplane bus.
Q: What output signal delay is specified for the module?
A: The module has an output signal delay specification of 0.5 ms.
Field Installation Guidelines
Install the module on a compatible FLEX I/O terminal base assembly using DIN rail mounting practices. Verify that field wiring matches the 24 VDC sourcing output configuration before applying power.
Use appropriate control cabinet wiring separation between DC output conductors and high-energy switching circuits to reduce electrical interference. Connect cable shields according to the plant grounding standard when shielded field cables are used.
Confirm that the connected loads remain within the specified channel current and total output current limits. Inspect terminal connections, supply polarity, and module seating before commissioning the I/O station.
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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