Allen-Bradley 1771-OMD/B DC Output Module
$123.00
$320.00
Description
Allen-Bradley 1771-OMD/B DC Output Module
The Allen-Bradley 1771-OMD/B (1771-OMD DC Output Module) operates as a dedicated hardware component for DC load switching within the PLC-5 1771 I/O system. The module provides 16 sinking output channels for 10-60 VDC field devices with individual output protection and optical isolation.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1771-OMD/B |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.85 lbs |
| Power Consumption | 20 W maximum |
| Product Type | DC Output Module |
| Series | PLC-5 1771 I/O Series |
| Output Channels | 16 sinking outputs |
| Output Voltage Range | 10-60 VDC |
| Continuous Current per Output | 2 A maximum |
| Continuous Current per Module | 16 A maximum |
| Surge Current | 4 A for 10 ms, repeatable every 1 s |
| Off-State Leakage Current | 1 mA per output |
| On-State Voltage Drop | 2 VDC maximum |
| Turn-On/Off Delay | Approximately 10 ms |
| Backplane Current | 350 mA at 5 VDC |
| Isolation | 1500 V AC rms tested |
| Wiring Arm | 1771-WH |
| Thermal Dissipation | 68 BTU/hr maximum, 5.1 BTU/hr minimum |
| Certifications | UL Listed, c-UL Class I Division 2 Hazardous Locations |
EtherNet/IP and PLC-5 Deterministic Output Control Characteristics
The 1771-OMD/B is designed for integration with Allen-Bradley PLC-5 control platforms through the 1771 I/O backplane communication structure. The module provides I/O density scaling with 16 sinking output points and supports direct control of DC field loads through PLC-generated output commands.
The output circuit design includes individually fused channels, optical isolation, and diagnostic LED indicators for channel and fuse status monitoring. The module architecture maintains PLC-5 deterministic I/O operation by transferring output data through the established rack-based backplane interface.
Frequently Asked Questions
Q: What output configuration is provided by the 1771-OMD/B module?
A: The module provides 16 sinking DC output channels for connection to 10-60 VDC field loads.
Q: What protection features are integrated into each output channel?
A: Each output channel includes individual fuse protection for overload and short-circuit conditions.
Q: What backplane power requirement is specified for the module?
A: The module requires 350 mA from the 5 VDC PLC-5 backplane supply.
Field Installation Guidelines
Install the 1771-OMD/B module in a compatible PLC-5 1771 I/O chassis using the correct rack position and wiring arm connection. Verify field device voltage polarity and load current requirements before connecting external devices.
Use appropriate DC control wiring methods and separate output signal cables from high-voltage power conductors to reduce electrical interference. Apply cable shielding and grounding practices according to the installation environment and control system standards.
Confirm that each connected load remains within the specified per-channel and total module current limits. Check diagnostic indicators after startup to verify output channel operation and fuse status.
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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