Allen-Bradley 1769-OF4VI CompactLogix Analog Isolated Voltage Output Module
The Allen-Bradley 1769-OF4VI, also cataloged as the 1769-OF4VI Analog Isolated Voltage Output Module, operates as a dedicated hardware component for isolated analog signal conversion within CompactLogix networks. Designed to execute precise control commands without channel interaction, the module delivers four individually isolated voltage channels to regulate industrial actuators, controllers, and speed drives across CompactLogix systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-OF4VI |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.26 kg (0.56 lbs) |
| Dimensions | 118 x 35 x 87 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 165 mA at 5 VDC |
| Outputs | 4 differential, individually isolated channels |
| Output Voltage Range | 0 to 10 VDC (0 to 10.5 VDC full-scale) |
| Resolution | 15 bits plus sign (330 uV/bit) |
| Heat Dissipation | 2.0 W |
| Isolation Voltage | 500 VAC or 710 VDC for 1 min (30 VAC/VDC working) |
| Maximum Load Current | 5 mA at 2 kohm resistive load |
| Power Supply Distance Rating | 8 modules |
Industrial Control & Drive Integration
The module utilizes backplane bus communication velocity to manage real-time updates across all four channels within a 120 ms maximum conversion cycle. Through optimized I/O density scaling, individual channel isolation eliminates ground loop interference, maintaining accurate voltage output delivery across complex control architectures. Automatic firmware flash compatibility verifies configuration parameters during system boot, guaranteeing deterministic signal transmission to field equipment.
Frequently Asked Questions
Q: Can the 1769-OF4VI module be installed further than 8 slots away from the system power supply?
A: No, the 1769-OF4VI has a strict power supply distance rating of 8 modules. Mounting the card beyond 8 slots from a compatible 1769 power supply causes voltage drop across the backplane bus, causing communication failures or module resets.
Q: Does this module support Removal and Insertion Under Power (RIUP)?
A: No, the 1769-OF4VI does not support RIUP. Disconnecting or seating the module while the CompactLogix rack is energized disrupts backplane operations and risks damaging internal components.
Field Installation Guidelines
Mount the module directly onto a 35 mm DIN rail or secure it to a panel backplate using the integral mounting feet. Strip copper wire (rated for 90 deg C) to length and secure solid wires (22 to 14 AWG) or stranded wires (22 to 16 AWG) into the terminal block. Route all signal wiring through dedicated cable raceways separated from high-voltage AC power lines to mitigate noise coupling. Connect signal cable shields to a single earth ground terminal at the enclosure boundary to maintain signal integrity and prevent ground loop circulating currents.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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