Allen-Bradley 1756-OF8I/A ControlLogix Isolated Analog Output Module
$123.00
$320.00
Description
Allen-Bradley 1756-OF8I/A ControlLogix Isolated Analog Output Module
The Allen-Bradley 1756-OF8I/A, also cataloged as the 1756-OF8I Isolated Analog Output Module, operates as a dedicated hardware component for isolated analog signal generation within ControlLogix I/O platforms. The module provides eight individually isolated current and voltage output channels with configurable signal ranges and analog conversion functions.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-OF8I/A |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.50 lbs |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | 6.5 W |
| Module Type | Isolated Analog Output Module |
| Product Line | ControlLogix Bulletin 1756 I/O |
| Number of Outputs | 8 current/voltage outputs |
| Output Type | Single-ended isolated current or voltage output |
| Voltage Output Range | -10 VDC to +10 VDC, 0-5 VDC, 0-10 VDC |
| Current Output Range | 0-20 mA, 4-20 mA |
| Resolution | 15-bit |
| Isolation | Channel-to-channel isolation |
| Current Draw at 24 VDC | 400 mA |
| 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 Isolation and Communication
The 1756-OF8I/A operates within the ControlLogix architecture using backplane bus communication for controller-to-module data exchange. The module provides individually isolated analog output channels to separate field signal paths and reduce channel interaction during analog control operations.
The module supports I/O density scaling within ControlLogix chassis configurations and firmware flash compatibility within the ControlLogix module management environment. Configurable current and voltage output ranges allow integration with analog field devices requiring isolated control signals, including actuators, drives, and instrumentation interfaces.
Frequently Asked Questions
Q: What output signal types are supported by the 1756-OF8I/A?
A: The module supports isolated current outputs of 0-20 mA and 4-20 mA, along with voltage outputs of -10 VDC to +10 VDC, 0-5 VDC, and 0-10 VDC.
Q: How many isolated analog channels are available on this module?
A: The 1756-OF8I/A provides eight individually isolated analog output channels.
Q: What diagnostic functions are included in the module?
A: The module provides on-board alarming and scaling functions for engineering unit configuration and analog output monitoring.
Field Installation Guidelines
Install the 1756-OF8I/A module into a compatible ControlLogix chassis slot and verify proper backplane connection before applying system power. Configure each output channel according to the connected field device signal requirements.
Use shielded instrumentation wiring where required by the installation environment. Route analog signal cables separately from high-voltage power wiring and high-frequency switching conductors. Apply shield grounding according to the plant electrical standard. Verify channel isolation requirements, wiring polarity, and scaling parameters before commissioning connected devices.
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.
Featured
Complementary products
Express Delivery
Fast shipping for your urgent needs.
Large Inventory
Extensive stock ensures quick availability.
Premium Quality
Genuine, high-grade PLC & DCS components.
24/7 Customer Support
Reliable service for clients worldwide.