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1769-OB32T

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Allen-Bradley 1769-OB32T is a Compact I/O 32-point terminated digital output module that provides 24V DC source outputs for controlling field devices and actuators.
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Technical specifications for 1769-OB32T

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1769-OB32T
  • Product Family:
    CompactLogix
  • Product Type:
    CMPLX 32 Pt 24VDC Terminated D/O Module
  • Stock:
    1
  • Outputs:
    32 terminated (16 points/group)
  • Voltage category:
    24V DC source
  • Operating voltage range:
    10.2…26.4V DC
  • Output delay, on:
    0.5 ms
  • Output delay, off:
    4.0 ms
  • Current draw @ 5.1V:
    220 mA
  • Heat dissipation, max:
    4.76 W
  • Off-state leakage current, max:
    0.1 mA @ 26.4V DC
  • On-state current, min:
    1.0 mA
  • On-state voltage drop, max:
    0.3V DC @ 0.5 A
  • Current per point, max:
    0.5 A
  • Current per module, max:
    4.0 A
  • Surge current:
    2.0 A for 10 ms, repeatable every 2 s
  • Slot width:
    1
  • Module location:
    DIN rail or panel mount
  • Power supply:
    1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
  • Power supply distance rating:
    8 modules
  • Terminal screw torque:
    0.68 N•m (6 lb•in)
  • Retaining screw torque:
    0.46 N•m (4.1 lb•in)
  • Wire size:
    (22…14 AWG) solid, (22…16 AWG) stranded
  • Wire type:
    Cu-90 °C (194 °F)
  • Replacement connector:
    1746-N3 (1 connector, 40 terminals)
  • Temperature, operating:
    0…60 °C (32…140 °F)
  • Relative humidity:
    5…95% noncondensing
  • Vibration:
    5 g @ 10…500 Hz
  • Shock, operating:
    Panel mount 30 g, DIN rail mount 20 g
  • Shock, nonoperating:
    Panel mount 40 g, DIN rail mount 30 g
  • Weight:
    0.23 kg
  • Estimated shipping dimensions:
    11.8x3.5x8.7cm
  • Tariff Code:
    2208200090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Performance Use Cases Configuration

Features:

  • Delivers high-density output expansion within a compact single-slot module design.
  • Simplifies installation and maintenance through removable terminal blocks and efficient wiring access.
  • Enhances system reliability with rugged mechanical construction and isolated field connections.
Allen-Bradley 1769-OB32T is designed to provide efficient digital output expansion for Compact I/O and CompactLogix control systems. By offering 32 output points in a single module, it helps machine builders and plant operators increase control capacity without significantly increasing panel space requirements. The module is particularly valuable in applications where multiple actuators, relays, or indicators must be controlled simultaneously. Its compact architecture supports streamlined system design and installation.

Installation and serviceability are important advantages of Allen-Bradley 1769-OB32T. The removable terminal block design simplifies field wiring and reduces downtime during maintenance procedures. Integrated mechanical alignment features help create a secure assembly between adjacent modules, while the locking bus connector ensures dependable communication throughout the I/O system. These design elements contribute to efficient commissioning and long-term operation.

Allen-Bradley 1769-OB32T also provides the durability expected in industrial automation environments. Optical isolation helps protect control electronics from field-side electrical disturbances, while robust environmental specifications support reliable performance under demanding operating conditions. Combined with flexible mounting options and compatibility with Compact I/O power supplies, Allen-Bradley 1769-OB32T serves as a practical solution for a broad range of industrial automation applications.

The 1769-OB32T Allen-Bradley CMPLX 32 Pt 24VDC Terminated D/O Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1769-OB32T CMPLX 32 Pt 24VDC Terminated D/O Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Allen-Bradley 1769-OB32T CMPLX 32 Pt 24VDC Terminated D/O Module Specs

General

  • Manufacturer Allen-Bradley
  • Model 1769-OB32T
  • Condition New Original ready stock
  • Product Family 1769-OB32,1769-OB32K
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Ultra-high channel density: 32 output points per slot, significantly reducing internal control cabinet space.
  • Ultra-fast response time: Solid-state transistor switches have microsecond-level turn-on delay, meeting high-frequency triggering requirements.
  • Ultra-low leakage current: Minimal leakage current in disconnected state, effectively preventing malfunctions by high-impedance miniature loads.
  • Low power consumption and heat saving: Utilizes low on-resistance components, significantly reducing heat generation during full-load module operation.
  • Large pneumatic valve island control: Group-driven 32 miniature pneumatic solenoid valves on the logistics sorting line.
  • Transistor array cascade: Acts as intermediate isolation, batch-triggers the digital inputs of downstream third-party PLCs or instruments.
  • Electronic semiconductor testing machine: Performs the switching of multi-station measurement statuses within an automated chip testing fixture.
  • Centralized status indicator panel: Provides dense signal indication for the mosaic analog panel in the factory's central control room.
  • Group isolation architecture: 32 channels are divided into two independent power supply groups, achieving physical isolation between different circuits.
  • Software parameter mapping: Direct mapping of I/O tags in Studio 5000 supports online monitoring of output status.
  • Source-type wiring definition: Adopts standard 24V DC Source configuration, with output current flowing into the load.
  • High-density connectors: Requires a dedicated 40-pin front connector or 1492 terminal block for branch wiring.
Description
Allen-Bradley 1769-OB32T is a 32-point digital output module designed for Compact I/O applications requiring high-density discrete output control. The module provides 32 terminated outputs arranged in two groups of 16 points and operates as a 24V DC source output module. Its compact single-slot design allows efficient use of control cabinet space while providing substantial output capacity for industrial automation systems.

The module incorporates several features that simplify installation and maintenance. Allen-Bradley 1769-OB32T includes a built-in removable terminal block with a fingersafe cover, allowing convenient connection of sensors, actuators, and field wiring. Self-lifting field-wire pressure plates help reduce installation time, while removable terminal blocks make wiring changes and maintenance tasks easier. Wiring can be routed from beneath the module directly to the terminal connections for improved cabinet organization.

System integration is enhanced through the Compact I/O mechanical and communication architecture. Allen-Bradley 1769-OB32T uses upper and lower tongue-and-groove alignment slots that guide modules during assembly and create a rugged system structure once connected. A patented bus connector with locking functionality helps ensure reliable communication between the controller and connected I/O modules. The module can be mounted on either a DIN rail or a panel, providing flexibility for different enclosure layouts.

From a performance perspective, Allen-Bradley 1769-OB32T supports an operating voltage range of 10.2 to 26.4V DC and delivers output switching with a 0.5 ms ON delay and a 4.0 ms OFF delay. Each output point supports up to 0.5 A, while the entire module can handle up to 4.0 A of output current. Optical isolation between digital and field circuits contributes to dependable operation in electrically demanding industrial environments.

Allen-Bradley 1769-OB32T is engineered for reliable operation under challenging environmental conditions. The module operates within a temperature range of 0°C to 60°C and withstands storage temperatures from -40°C to +85°C. Additional durability specifications include vibration resistance of 5 g across 10 to 500 Hz, humidity tolerance from 5% to 95% noncondensing, and shock ratings up to 30 g during operation when panel mounted. These characteristics make the module suitable for manufacturing systems, packaging equipment, material handling machinery, and other industrial control applications.
Revisions

Revision Part #

Also known as

1769-OB32T Ser A
1769-OB32T/A, Series A, Rev A
Alternative Names
1769-0B32T 1769-O832T I769-OB32T I769OB32T 1769-OB32 1769-OB32K 1769-OB8 1769-OB8K
Technical notes
Optimized for massive high-density deployments, the Allen-Bradley 1769-OB32T condenses 32 channels of 24V DC sourcing outputs into a single CompactI/O slot, driving up to 0.5A per point across two isolated groups.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How many output groups are available on 1769-OB32T?
The module organizes its 32 outputs into two groups, with 16 output points assigned to each group.
Why choose Allen-Bradley 1769-OB32T for high-density output applications?
The module delivers a large number of output points within a compact single-slot design, helping maximize cabinet space while expanding control capacity.
Can 1769-OB32T be installed on different mounting platforms?
Yes. Allen-Bradley 1769-OB32T supports both DIN rail and panel mounting to accommodate various enclosure configurations.
Does 1769-OB32T provide electrical isolation between circuits?
Optical isolation is provided between digital circuits and field circuits, helping improve reliability in industrial environments.

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