Allen-Bradley 1756-OF8 | High-Precision Analog Output Unit
Manufacturer: ABB
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Part Number: 1756-0F8
Condition：New with Original Package
Product Type: High-Precision Analog Output Unit
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Allen-Bradley 1756-OF8 | ControlLogix 8-Channel Analog Output Module
Product Overview
The Allen-Bradley 1756-OF8 is a high-precision analog output module designed for ControlLogix automation systems. It delivers up to eight configurable current or voltage outputs, enabling precise control of actuators, valves, and other analog devices. Built with advanced diagnostic features and 15-bit resolution, this module ensures exceptional performance in industrial process and motion control applications.
With its R-Ladder DAC conversion, open- and short-circuit detection, and 50V isolation, the Allen-Bradley 1756-OF8 offers reliability and accuracy in demanding environments. Its compact design fits seamlessly into ControlLogix chassis, optimizing both panel space and system efficiency.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | 1756-OF8 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Line | ControlLogix |
| Product Type | Analog Output Module |
| Series | A |
| Channels | 8 current/voltage outputs |
| Output Current Range | 0–20 mA |
| Output Voltage Range | ±10 VDC |
| Resolution | 15-bit |
| Data Format | Integer mode (left-justified, 2’s complement), IEEE 32-bit floating point |
| Conversion Method | R-Ladder DAC, monotonicity with no missing codes |
| Open Circuit Detection | Current only |
| Short Circuit Protection | Limited to 21 mA or less |
| Overvoltage Protection | 24 VDC |
| Isolation Voltage | 50 V continuous |
| Backplane Current (5V) | 140 mA |
| Backplane Current (24V) | 210 mA |
| Power Dissipation | 4.9 W at 60°C |
| Removable Terminal Blocks | 1756-TBNH, 1756-TBSH |
| Dimensions (H × W × D) | 145 mm × 35 mm × 140 mm |
| Weight | 0.45 kg (1.0 lbs) |
| Operating Temperature | 0°C to +60°C |
| Certifications | CE, UL, CSA, Class I Div 2 |
| Condition | Brand new, factory sealed |
| Country of Origin | USA |
| Shipping | Via DHL / FEDEX (3–14 days depending on order size) |
FAQ
Q1: What type of signals does the 1756-OF8 support?
A1: The 1756-OF8 supports both current (0–20 mA) and voltage (±10V) output signals.
Q2: How many output channels are available?
A2: It features eight independent analog outputs configurable per channel.
Q3: What is the output resolution?
A3: The module offers 15-bit resolution, enabling highly accurate analog control.
Q4: Is the 1756-OF8 compatible with other ControlLogix modules?
A4: Yes, it integrates seamlessly with ControlLogix racks and controllers.
Q5: What are the supported terminal blocks?
A5: It supports 1756-TBNH and 1756-TBSH removable terminal blocks.