Allen-Bradley 1794-OB32 FLEX I/O Digital Output Module
$123.00
$320.00
Description
Allen-Bradley 1794-OB32 FLEX I/O Digital Output Module
Configured for 24 VDC discrete output control in the FLEX I/O system, the Allen-Bradley 1794-OB32 (1794-OB32 Digital Output Module) provides direct physical/electrical execution for sourcing field output devices through PLC-controlled I/O networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-OB32 |
| Brand | Allen-Bradley |
| Weight | 3.00 lbs |
| Power Consumption | 5.3 W maximum at 31.2 VDC |
| Product Line | FLEX I/O |
| Module Type | Digital Output Module |
| Number of Outputs | 32 sourcing outputs, 2 groups of 16 |
| Nominal Voltage | 24 VDC |
| Operating Voltage Range | 10.0 VDC to 31.2 VDC |
| Output Current Capacity | 0.5 A maximum per output |
| Total Module Current | 14.0 A maximum across both groups |
| FlexBus Backplane Current | 80 mA at 5 VDC |
| Thermal Dissipation | 18.1 BTU/hr at 31.2 VDC maximum |
| On-State Voltage Drop | 0.5 VDC maximum |
| Off-State Leakage Current | 0.5 mA maximum |
| Output Delay Time | OFF to ON: 0.5 ms maximum; ON to OFF: 1.0 ms maximum |
| Status Indicators | 32 yellow LED output status indicators |
EtherNet/IP and FLEX I/O Bus Integration Characteristics
The 1794-OB32 operates as a FLEX I/O digital output node component connected through a compatible adapter and terminal base assembly. The module exchanges output commands through the FLEX I/O communication structure and provides channel-level LED indication for output logic states. The unit supports installation on compatible terminal bases including 1794-TB32 and 1794-TB32S models.
The module design uses backplane communication through the FLEX I/O bus with an 80 mA current requirement at 5 VDC. The 32-point output density allows reduced panel space usage compared with lower channel-count digital output configurations.
Frequently Asked Questions
Q: Can the 1794-OB32 be removed while system power is applied?
A: The module supports keyless insertion and removal under power (RIUP) when installed with a compatible FLEX I/O terminal base. Field wiring remains connected through the terminal base assembly.
Q: What type of field devices can be connected to the 1794-OB32 outputs?
A: The module provides sourcing 24 VDC outputs for compatible discrete devices including solenoids, relays, indicators, and small motor starter control circuits.
Q: What installation factors affect output signal performance?
A: Field wiring separation, proper terminal connections, and correct grounding and shielding practices should be maintained according to the system installation requirements.
Field Installation Guidelines
Install the 1794-OB32 on an approved FLEX I/O terminal base and verify mechanical engagement before applying field power. Confirm that the connected field devices match the module sourcing output configuration.
Route output wiring separately from high-current switching conductors and high-noise power cables where possible. Use appropriate industrial wiring practices for signal integrity, including correct shield termination methods when shielded cables are used.
Verify terminal tightening, polarity, and field device protection requirements before commissioning. Check LED channel indicators during functional testing to confirm correspondence between PLC output commands and physical field device states.
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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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