Allen-Bradley 1791-OB16 Block I/O DC Output Module
$123.00
$320.00
Description
Allen-Bradley 1791-OB16 Block I/O DC Output Module
The Allen-Bradley 1791-OB16, also cataloged as the 1791-OB16 Block I/O DC Output Module, operates as a dedicated hardware component for discrete DC output control within Allen-Bradley 1791 Block I/O Remote I/O platforms. The module provides 16 sourcing output channels with 24 VDC operation.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1791-OB16 |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 1 lbs |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | Not specified in available technical data |
| Product Line | 1791 Block I/O |
| Module Type | DC Output Block I/O Module |
| Number of Outputs | 16 outputs |
| Output Type | DC sourcing outputs |
| Nominal Output Voltage | 24 VDC |
| Output Voltage Range | 10-30 VDC |
| External DC Power Range | 19.2-30 VDC |
| Maximum Output Current (Vertical) | 500 mA |
| Maximum Output Current (Horizontal) | 250 mA |
| Minimum On-State Current | 1.0 mA per output |
| Maximum Off-State Leakage Current | 0.5 mA |
| Isolation Voltage | 500 VAC |
| Communication Link | Universal Remote I/O (RIO) |
Profinet and EtherNet/IP Deterministic Network Compatibility
The 1791-OB16 applies Allen-Bradley industrial I/O architecture for discrete output distribution and Remote I/O communication. The module supports I/O density scaling by combining 16 DC output channels in a compact Block I/O assembly.
Integration with PLC control platforms requires verification of controller communication settings, Remote I/O addressing, and firmware flash compatibility between connected devices. The output interface provides sourcing DC switching capability for field devices connected through the 1791 Block I/O system.
The module design supports deterministic data exchange through the Universal Remote I/O (RIO) communication link. Proper configuration of network parameters and field wiring is required for correct output state execution.
Frequently Asked Questions
Q: How many output channels are provided by the 1791-OB16?
A: The module provides 16 DC output channels.
Q: What is the nominal operating output voltage of the 1791-OB16?
A: The module operates with a nominal output voltage of 24 VDC and supports a 10-30 VDC output voltage range.
Q: What communication interface is used by the 1791-OB16?
A: The module communicates through the Universal Remote I/O (RIO) interface.
Field Installation Guidelines
Install the 1791-OB16 according to the mechanical requirements of the Block I/O mounting system. Confirm the external DC power supply range and verify output wiring before applying power to connected field devices.
Route Remote I/O communication cables separately from power conductors to minimize electrical interference. Maintain correct terminal identification and follow the system grounding requirements for DC control circuits.
Before commissioning, verify Remote I/O configuration, output addressing, and individual channel operation. Check connected loads against the specified output current limitations for the selected mounting orientation.
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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