Allen-Bradley 1769-OF4/A Compact I/O Analog Output Module
$123.00
$320.00
Description
Allen-Bradley 1769-OF4/A Compact I/O Analog Output Module
The Allen-Bradley 1769-OF4/A, also cataloged as the 1769-OF4 Compact I/O Analog Output Module, operates as a dedicated hardware component for analog signal generation within CompactLogix and MicroLogix 1500 control platforms. It provides four single-ended output channels with configurable voltage and current ranges for direct control of analog field devices.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-OF4/A |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.00 lbs |
| Dimensions | 118 x 35 x 87 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 2.86 W maximum heat dissipation |
| Output Channels | 4 single-ended analog outputs |
| Output Type | Voltage and current configurable |
| Output Voltage Range | -10 to 10 V, 0 to 10 V, 0 to 5 V, 1 to 5 V |
| Output Current Range | 0 to 20 mA, 4 to 20 mA |
| Resolution | 15-bit plus sign |
| Conversion Rate | 2.5 ms with interrupts disabled; 3.8 ms with interrupts enabled |
| Step Response | 2.9 ms to 63% |
| Accuracy | +/-0.5% full scale at 25 deg C |
| Non-linearity | +/-0.05% full scale |
| Repeatability | +/-0.05% |
| Current Draw at 5.1 V | 120 mA |
| Current Draw at 24 V | 170 mA |
| Load Capability | Current output 0 to 600 ohm; voltage output >=1 kohm |
| Mounting Option | DIN rail or panel mounting |
| Slot Width | 1 slot |
EtherNet/IP and Compact I/O Signal Processing Characteristics
The 1769-OF4/A integrates with CompactLogix and MicroLogix 1500 architectures through the Compact I/O bus interface. The module performs digital-to-analog conversion for actuator and control loop applications, maintaining configured output scaling through controller data exchange.
The module supports configurable I/O density scaling within Compact I/O assemblies and maintains deterministic analog update behavior through the local backplane communication path. Firmware compatibility is managed according to the controller platform and module revision requirements.
Frequently Asked Questions
Q: What analog output signals are supported by the 1769-OF4/A?
A: The module supports four single-ended outputs configurable for voltage ranges including -10 to 10 V, 0 to 10 V, 0 to 5 V, 1 to 5 V and current ranges including 0 to 20 mA and 4 to 20 mA.
Q: Does the module provide protection for abnormal output conditions?
A: The 1769-OF4/A includes open-circuit protection, short-circuit current protection, and over-range/under-range detection functions for analog output operation.
Q: What are the power requirements for installation in a Compact I/O system?
A: The module requires 120 mA at 5.1 VDC and 170 mA at 24 VDC from the system power supply connection.
Field Installation Guidelines
Install the 1769-OF4/A in the Compact I/O assembly according to the controller system layout and available power budget. Verify backplane current capacity before adding the module to an existing rack configuration.
Use shielded analog signal wiring for field connections where electrical noise may affect measurement accuracy. Connect cable shields according to the control panel grounding practice and separate analog wiring from high-current switching conductors.
Confirm output device impedance compatibility before commissioning. Voltage outputs require appropriate input impedance at connected devices, while current outputs require verification of loop resistance limits. Perform controller-side scaling verification after wiring completion.
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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