Allen-Bradley 1756-OF4/A ControlLogix Analog Output Module
$123.00
$320.00
Description
Allen-Bradley 1756-OF4/A ControlLogix Analog Output Module
The Allen-Bradley 1756-OF4/A, also cataloged as the 1756-OF4 Analog Output Module, operates as a dedicated hardware component for analog signal generation within ControlLogix I/O platforms. The module provides four configurable current and voltage output channels with engineering unit scaling and ControlLogix backplane communication.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-OF4/A |
| Brand | Allen-Bradley |
| Origin | USA |
| Operating Temp | 0 deg C to 60 deg C |
| Module Type | Analog Output Module |
| Product Line | ControlLogix Bulletin 1756 I/O |
| Output Channels | 4 analog outputs |
| Output Type | Single-ended current or voltage output |
| Voltage Range | -10 VDC to +10 VDC |
| Current Range | 0-20 mA |
| Resolution | 15-bit signed |
| Connector Type | 20-pin |
| Diagnostics | On-board alarming and engineering unit scaling |
| Storage Temperature | -40 deg C to 85 deg C |
| Relative Humidity | Up to 95% RH, non-condensing |
| Vibration Resistance | 2 m/s2, 500 Hz maximum |
| Certifications | UL, CE, CSA, ATEX, IECEx, KC, FM, C-Tick |
ControlLogix Analog Signal Processing and Communication
The 1756-OF4/A operates within the ControlLogix architecture using backplane bus communication for controller-to-module data exchange. The module supports configurable analog output channels with current and voltage signal modes for direct interfacing with field devices requiring continuous control signals.
The module supports I/O density scaling across ControlLogix chassis configurations and firmware flash compatibility within the ControlLogix module management structure. Analog output conversion uses 15-bit signed resolution with channel scaling functions for engineering unit representation.
Frequently Asked Questions
Q: What analog signal ranges are supported by the 1756-OF4/A?
A: The module supports voltage output from -10 VDC to +10 VDC and current output from 0-20 mA.
Q: How many analog output channels are available on the module?
A: The 1756-OF4/A provides four configurable single-ended analog output channels.
Q: What type of diagnostics are included with the module?
A: The module provides on-board alarming and scaling functions for analog output monitoring and engineering unit configuration.
Field Installation Guidelines
Install the 1756-OF4/A module in a compatible ControlLogix chassis and verify correct backplane engagement before applying system power. Connect analog field wiring according to the configured output type and confirm signal polarity before commissioning.
Route analog signal cables separately from high-voltage power conductors and high-frequency switching wiring to reduce electrical noise coupling. Apply shield grounding according to the site instrumentation standard. Verify terminal connections, channel configuration, and scaling parameters before placing connected field devices into operation.
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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