Analog Voltage Output Module | 1769-OF8V Allen Bradley
Manufacturer: Allen Bradley
-
Part Number: 1769-OF8V
Condition：New with Original Package
Product Type: Analog Output Modules
-
Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Allen Bradley 1769-OF8V Compact I/O Analog Output Module
The Allen Bradley 1769-OF8V, also cataloged as the 1769-OF8V Analog Voltage Output Module, serves as the primary 1769-OF8V Processor Module utilized to execute [Specific Technical Task] across [System/Network Name] platforms. Correction: Adjusting to follow the exact requested standard syntax option: The Allen Bradley 1769-OF8V serves as the primary 1769-OF8V Analog Voltage Output Module utilized to execute high-density voltage signal conversion across CompactLogix backplane platforms. It converts digital register values into independent, single-ended analog voltage signals to modulate downstream variable speed drives, control valves, and actuator positioning circuits.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-OF8V |
| Brand | Allen Bradley / Rockwell Automation |
| Origin | USA |
| Weight | 0.20 kg (0.44 lbs) |
| Dimensions | 118 x 87 x 35 mm |
| Operating Temp | 0 to 60 deg C |
| Storage Temp | -40 to 85 deg C |
| Power Consumption | 3.5 W maximum power dissipation |
| Number of Outputs | 8 single-ended channels |
| Output Ranges | 0-10 VDC, 0-5 VDC, 1-5 VDC, +/- 10 VDC |
| Full Scale Ranges | -0.5 to 10.5 VDC, -0.5 to 5.25 VDC, 0.5 to 5.25 VDC, +/- 10.5 VDC |
| Digital Resolution | 16 bits plus sign (bipolar) |
| Backplane Bus Current Draw | 145 mA at 5 VDC, 135 mA at 24 VDC |
| Channel Current Drive | 10 mA maximum per channel |
| Conversion Rate | 5 ms across all channels |
| Overall Accuracy | +/- 0.5% full scale at 25 deg C |
| Isolation Voltage | 750 VDC between channels and system backplane |
| Power Supply Distance Rating | 8 modules maximum from power source |
Deterministic Conversion and Architecture Integration
The 1769-OF8V maintains signal integrity across local chassis systems by regulating internal bus current consumption against backplane bus communication velocity frameworks. Operating inside Profinet / EtherNet/IP deterministic networks requires strict execution timing, which the module satisfies via a continuous 5 ms channel conversion cycle. The digital interface natively processes multiple data types including raw proportional data, engineering units, scaled-for-pid data, and percent of full range. This native processing architecture eliminates controller overhead and preserves firmware flash compatibility during online adjustments to the I/O density scaling layout.
Frequently Asked Questions
Q: Does the 1769-OF8V support hardware calibration procedures during routine maintenance intervals?
A: No. The electrical design guarantees operating precision through hardware component tolerances. The module requires no field calibration routines throughout its service life, as internal compensation circuits adjust for component drift automatically.
Q: What happens if an external voltage loop demands more than the specified 10 mA drive capability?
A: Exceeding the 10 mA current drive limit per channel loads down the operational amplifier circuits, causing voltage sags and increased measurement errors. For high-impedance loads or long distance lines, external signal conditioning isolation amplifiers must mirror the signal.
Q: Can this module operate next to any CompactLogix controller without layout constraints?
A: No. The 1769-OF8V carries a strict power supply distance rating of 8. You must place this module within 8 slot positions of a local 1769 series power supply module to prevent excessive voltage drop along the 5 VDC and 24 VDC backplane rails.
Field Installation Guidelines
- Shielded Termination Practices: Ground the shield braid of all analog output cables at one end only. Connect the shields to the designated chassis ground bus bar inside the enclosure rather than terminating them at the module terminal block.
- Bus Lever Verification: Ensure the physical bus interface locking lever locks securely into the adjacent module slot before tightening the panel retention screws or engaging the DIN-rail clips.
- Low Voltage Separation: Route all 0-10 VDC signal lines in dedicated, grounded wire ways separate from high-power AC motor leads and inductive switching circuits to mitigate electrical noise cross-talk.
- Terminal Block Torque Limits: Tighten the terminal block screws to the specified torque limits using standard copper field wiring sizes ranging between 22-14 AWG solid conductors.