High-Density 32-Point DC Digital Output for Industrial Automation
The Allen-Bradley 1769-OB32T provides thirty-two high-current 24V DC sourcing outputs. Moreover, it integrates seamlessly with 1769 CompactLogix controllers and MicroLogix 1500 expansion slots for flexible control applications. Each output delivers precise switching with minimal delay, ensuring reliable performance.
Key Features and Advantages
- 32 discrete DC output channels grouped in eight-point segments for organized connectivity
- Nominal output voltage of 24V DC with a range of 10.2–26.4V DC for versatile applications
- Maximum continuous output per point: 0.5A; surge current: 2A for 10ms, repeatable every 2 seconds
- Single-slot design saves space in control panels and simplifies integration
- Compatible with 1769 CompactLogix and MicroLogix 1500 controllers
- Open-type module with IEC Class 2 reinforced insulation ensures safe operation
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand & Manufacturer | Allen-Bradley / Rockwell Automation |
| Model Number | 1769-OB32T |
| Product Line | CompactLogix |
| Module Type | 32-Point DC Digital Output Module |
| Number of Outputs | 32 |
| Output Voltage | 10.2–26.4 V DC (Nominal 24 V DC) |
| Max Current per Point | 0.5 A |
| Max Module Current | 4.0 A |
| Surge Current | 2.0 A for 10 ms, repeatable every 2 sec |
| Backplane Current Draw | 220 mA @ 5 V DC |
| Power Supply Distance Rating | 8 modules |
| Signal Delay ON | 0.5 ms |
| Signal Delay OFF | 0.4 ms |
| Minimum On-State Current | 1.0 mA |
| Maximum Off-State Leakage | 0.1 mA @ 26.4 V DC |
| Module Width | 1 slot |
| Mounting Options | DIN rail or panel mount |
| Wire Size Solid | 14–22 AWG |
| Wire Size Stranded | 16–22 AWG |
| Replacement Terminal Block | 1769-RTBN18 |
| Replacement Door | 1769-RD |
| Operating Temperature | 0–60°C (32–140°F) |
| Storage Temperature | -40–85°C (-40–185°F) |
| Vibration | 5 g @ 10–500 Hz |
| Operating Shock | 30 g |
| Module Weight | 0.14 kg (0.31 lbs) |
| Dimensions | 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in) |
| Module Origin | USA |
| Enclosure Type | Open-type IEC Class 2 |
Installation Guidelines
Install the 1769-OB32T on a DIN rail or panel using tongue-and-groove connectors. Maintain clean and dry surroundings. Limit the module distance to eight modules from the power supply. Use copper wires with recommended torque for secure connections.
System Integration and Compatibility
The 1769-OB32T integrates with 1769 CompactLogix and MicroLogix 1500 controllers. It supports I/O memory mapping for precise output control. Engineers can stack modules to expand system capacity and configure outputs with user-defined states.
Shipping and Warranty
Each 1769-OB32T ships individually in secure packaging. Worldwide shipping is available via FedEx, UPS, and DHL. Allen-Bradley provides a 12-month warranty covering defects in materials and workmanship.
Expert FAQ
Q: Can this module handle high-current industrial loads safely?
A: Yes, each output supports 0.5A continuously with 2A surge current for short intervals.
Q: What is the maximum distance from the power supply?
A: The module supports up to eight modules away from the backplane power supply.
Q: Does the module require special insulation?
A: No, the module comes with IEC Class 2 reinforced insulation for standard industrial safety.
Q: Which controllers are compatible with 1769-OB32T?
A: It works with 1769 CompactLogix series and MicroLogix 1500 controllers, including expansion assemblies.
Details
| Weight | 0.14 kg |
|---|---|
| Dimensions | 118 × 35 × 87 mm |
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