1756-OF6VI | Allen-Bradley Isolated Analog Output Module Supplier
Introduction:
The 1756-OF6VI delivers six individually isolated voltage output channels for precise control in demanding industrial environments.
Customer Reviews
UBEST Automation – Trusted Global Automation Parts Supplier
We offer a wide range of in-stock industrial automation spare parts. All products come with a 12-month warranty and a 30-day refund for quality issues.
Product Attributes:
Notice: For real-time prices and inventory, please click the button below to contact us.
What Is the 1756-OF6VI?
When engineers require precise voltage output signals for critical control loops, the 1756-OF6VI from Allen-Bradley provides a reliable solution. This ControlLogix isolated analog output module features six individually isolated channels, each capable of generating +/-10 VDC signals. With a resolution of 14 bits across 21V (1.3 mV) and 13 bits across 10.5V plus sign bit, it ensures accurate signal generation for demanding applications.
Part of the ControlLogix family, the 1756-OF6VI occupies a single slot in the chassis and can serve as local I/O or part of a distributed architecture. Its robust design includes overvoltage protection up to +/-24 VDC and electronic current-limited short-circuit protection, safeguarding both the module and connected equipment.
Key Features & Technical Specs
- Six individually isolated voltage output channels provide channel-to-channel isolation for reliable operation.
- Output signal range of +/-10 VDC supports standard industrial control signals.
- Resolution of 14 bits across 21V (1.3 mV) delivers fine granularity for precise adjustments.
- Backplane current draw of 250 mA at 5.1 VDC and 175 mA at 24 VDC ensures consistent power usage.
- Accuracy of 0.5% of range maintains signal integrity over temperature and time.
- Maximum power dissipation of 4.9 Watts at 60 Celsius keeps thermal output manageable.
- Data format supports Integer mode (left justified, 2s complement) and IEEE 32-bit floating point for flexible integration.
- Output conversion uses R-Ladder DAC with monotonicity and no missing codes for linear performance.
Applications & Use Cases
In process control systems, the 1756-OF6VI excels at driving actuators, valves, and other voltage-controlled devices. Its isolated channels prevent ground loops and reduce noise, making it ideal for applications where signal integrity is paramount. For example, in chemical processing, the module can control multiple setpoints simultaneously without interference. Additionally, its 0.5% accuracy supports consistent output in temperature or pressure regulation loops.
Installation & Setup
Mount the 1756-OF6VI in any available slot of a ControlLogix chassis. Use compatible removable terminal blocks such as the 1756-TBNH or 1756-TBSH for wiring. Ensure the backplane provides adequate current: 250 mA at 5.1 VDC and 175 mA at 24 VDC. Connect output loads greater than 1000 ohms at 10 mA for proper operation. The module supports integer or floating-point data formats; configure the controller accordingly.
Maintenance & Reliability
To maintain accuracy, calibrate the 1756-OF6VI every six months as recommended. The module operates reliably in temperatures from 0 to 60 degrees Celsius with 5-95% non-condensing humidity. Its electronic short-circuit protection and overvoltage protection reduce the risk of damage from wiring faults. Regular inspection of terminal block connections helps ensure consistent performance.
Compatibility & Integration
The 1756-OF6VI integrates seamlessly with Allen-Bradley ControlLogix controllers. It supports both local and remote I/O configurations via the backplane. Use the module with any ControlLogix chassis that provides 5.1 VDC and 24 VDC backplane power. The removable terminal blocks (1756-TBNH, 1756-TBSH) simplify wiring changes without removing the module.
FAQ about 1756-OF6VI
Q: What is the output voltage range of the 1756-OF6VI?
A: The module provides +/-10 VDC output signals.
Q: How many output channels does the 1756-OF6VI have?
A: It has six individually isolated voltage output channels.
Q: What is the resolution of the 1756-OF6VI?
A: The resolution is 14 bits across 21V (1.3 mV) and 13 bits across 10.5V plus sign bit.
Q: What is the backplane current draw of the 1756-OF6VI?
A: It draws 250 mA at 5.1 VDC and 175 mA at 24 VDC.
Q: Does the 1756-OF6VI have short-circuit protection?
A: Yes, it offers electronic current-limited short-circuit protection.
Q: What terminal blocks are compatible with the 1756-OF6VI?
A: Compatible blocks include 1756-TBNH and 1756-TBSH.
Product Support & Availability
The 1756-OF6VI is available from PetroPartsOnline. Contact our team for current stock levels and lead times. We provide fast shipping and dedicated support for your industrial automation needs.