Product Details
Product Description
The 1756-OF8 is an 8-channel analog output module from Allen-Bradley’s ControlLogix platform. Designed for high-precision analog signal control, it delivers configurable voltage or current outputs with superior accuracy and rapid response time, making it ideal for process automation and motion control applications.
This module supports both ±10V and 0–20 mA ranges, providing flexibility across a wide range of industrial systems. Built-in electronic protection, fast settling time, and minimal power loss ensure consistent and stable performance under demanding operating conditions.
Technical Specifications
-
Manufacturer: Allen-Bradley
-
Model / Part Number: 1756-OF8
-
Product Type: Analog Output Module
-
Number of Outputs: 8 configurable voltage or current channels
-
Output Range: ±10 V DC, 0–20 mA DC
-
Nominal Accuracy (at 25 °C): ±0.05 % of full scale (4–21 mA / −10.4–10.4 V)
-
Settling Time: < 2 ms to 95 % of final value with resistive load
-
Current Draw @ 5.1 V: 150 mA
-
Total Backplane Power: 5.8 W
-
Power Dissipation: 3.15–5.8 W depending on load (0–750 Ω)
-
Thermal Dissipation: 16.78 BTU/hr
-
Open-Circuit Detection: Enabled for current outputs > 0.1 mA
-
Overvoltage Protection: 24 V DC
-
Short-Circuit Protection: Electronically limited to ≤ 21 mA
-
Weight: 0.4 kg
Features
-
Dual output modes: current or voltage, configurable per channel
-
Exceptional accuracy and fast signal response
-
Electronic over-current and short-circuit protection
-
Compact design for single-slot ControlLogix chassis mounting
-
Built-in diagnostics for circuit fault detection
-
High signal integrity for precision analog control applications
Applications
-
Industrial process control and instrumentation
-
Motion and drive control systems
-
Analog actuator or valve control
-
Data acquisition and distributed control architectures
FAQ / Comparison
-
Q: Does the 1756-OF8 support both current and voltage output simultaneously?
A: Yes, each channel can be individually configured for either voltage or current mode. -
Q: What is the difference between 1756-OF6CI and 1756-OF8?
A: The 1756-OF8 provides two additional configurable channels and faster settling performance.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Preventing Emergency Stop Spurious Trips in Industrial Control Systems
Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.