Allen-Bradley 1797-OB4D FLEX Ex I/O Output Module
$123.00
$320.00
Description
Allen-Bradley 1797-OB4D FLEX Ex I/O Output Module
Configured for discrete field output control in the FLEX Ex I/O system, the Allen-Bradley 1797-OB4D (1797-OB4D FLEX Ex I/O Output Module) provides direct physical electrical execution for four nonisolated sourcing output channels. The module operates from a 9.5 V DC power supply interface and supports load ranges from 30 to 5000 ohms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1797-OB4D |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.6 lbs |
| Power Consumption | 7.5 W field-side power consumption |
| Product Type | FLEX Ex I/O Output Module |
| Product Line | Flex I/O 1797 |
| Output Channels | 4 |
| Output Type | Nonisolated Sourcing |
| Power Supply | 9.5 V DC |
| Load Range | 30-5000 ohms |
| Electronic Protection | Lead Break, Overload, Short Circuit |
| Power Dissipation | 5 W |
| Thermal Dissipation | 17.07 BTU/hour |
| Terminal Configuration | 16 Pin |
| Conductor Wire Size | 4 mm^2 |
Profinet / EtherNet-IP Industrial Control Characteristics
The 1797-OB4D operates as a FLEX Ex I/O output component within the Allen-Bradley 1797 platform. Its four sourcing output channels provide discrete actuator interface capability with electronic monitoring functions for lead break detection, overload conditions, and short circuit protection. The module architecture supports deterministic output state control through the FLEX Ex I/O backplane communication structure.
The module uses firmware-controlled output diagnostics and maintains defined electrical behavior for connected field devices. Installation requires consideration of output current loading, conductor sizing, and field-side power consumption limits to maintain specified operating conditions.
Frequently Asked Questions
Q: What type of output signal does the 1797-OB4D provide?
A: The 1797-OB4D provides four nonisolated sourcing outputs for discrete field device control.
Q: Does the module include output circuit protection?
A: Yes. The module provides electronic protection functions including lead break detection, overload protection, and short circuit protection.
Q: What load range is supported by the output channels?
A: The specified output load range is 30-5000 ohms.
Field Installation Guidelines
Install the module according to the FLEX Ex I/O system hardware configuration requirements. Verify that field wiring matches the specified conductor size and that connected loads remain within the defined output range.
Use appropriate grounding and shielding practices for installed control wiring. Separate output conductors from high-voltage power cables and high-noise sources to reduce electrical interference. Confirm correct terminal assignments before applying field-side power.
Check mechanical mounting engagement and connector seating before system startup. Validate output channel operation through the controller configuration and verify diagnostic status indicators during 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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