1762-OB16 16-Point Digital Output Module 24V DC Source | Allen-Bradley

The Original New Allen-Bradley 1762-OB16 16-Point Digital Output Module is a MicroLogix expansion I/O module designed for 24V DC sourcing output applications in compact industrial control systems. It provides 16 solid-state sourcing outputs, making it ideal for expanding the output capacity of MicroLogix 1100, 1200, and 1400 controllers in discrete control applications.

Core Engineering Highlights:
16 sourcing outputs | 24V DC | 0.5A per point @ 55°C (1.0A @ 30°C) | 8A per module @ 30°C | 175mA bus current draw | 0.1ms turn-on / 1.0ms turn-off | 2.9W heat dissipation | –20°C to +65°C operating | IP20 | LED status indication

Key Features:

• Original New Allen-Bradley 1762-OB16 module

• 16 sourcing (source) outputs — supplies current to sinking field devices

• 24V DC voltage category with 20.4–26.4V DC operating range

• Solid-state outputs for high-speed switching in compact industrial environments

• 0.1 ms turn-on / 1.0 ms turn-off signal delay (resistive load)

• LED indicators for each output point for quick status verification

• Screw-type terminal connections for secure field wiring

• DIN rail mounting (35 x 7.5 mm or 35 x 15 mm)

• Removable finger-safe terminal block with write-on label

• Group 1: all 16 outputs in one isolated group

• Short-circuit protection: not available (external fuse recommended)

• Open-style enclosure (IP20)

• Class I, Division 2 Groups A, B, C, D hazardous location certified

Applications:

• Actuating solenoids, relays, and pilot lights in machine control systems

• Conveyor and material handling equipment

• Packaging machinery discrete output control

• OEM equipment requiring MicroLogix I/O expansion

• General factory automation and discrete manufacturing

Technical Specifications:

• Catalog Number: 1762-OB16

• Product Family: MicroLogix 1200 Expansion I/O

• Product Type: 16-Point 24V DC Source Output Module

• Voltage Category: 24V DC

• Operating Voltage Range: 20.4–26.4V DC

• Number of Outputs: 16 (sourcing)

• Output Type: Solid-state transistor (source)

• On-State Voltage Drop (Max): 1.0V DC

• Off-State Leakage Current (Max): 1.0 mA

• On-State Current (Min): 1.0 mA

• Continuous Current per Point (Max): 0.5A @ 55°C (131°F) / 1.0A @ 30°C (86°F)

• Continuous Current per Module (Max): 8.0A @ 30°C (86°F)

• Surge Current (Max): 2.0A for 10ms (repeat every 2s @ 55°C, every 1s @ 30°C)

• Signal Delay (Max): Turn-on: 0.1ms; Turn-off: 1.0ms (resistive load)

• Bus Current Draw: 175mA @ 5V DC (0.88W)

• Heat Dissipation (Max): 2.9W @ 30°C (86°F) / 2.1W @ 55°C (131°F)

• Isolated Groups: Group 1: Outputs 0–15

• Output Group to Backplane Isolation: 1200V AC for 1s or 1697V DC for 1s

• Working Voltage: 75V DC (IEC Class 2 reinforced insulation)

• Power Supply Distance Rating: Maximum 6 modules from power supply

• Dimensions (HxWxD): 90 x 40.4 x 87 mm (3.54 x 1.59 x 3.43 in.)

• Height including mounting tabs: 110 mm (4.33 in.)

• Weight: 235 g (0.52 lb)

• Wire Size: Accepts 6.35 mm (0.25 in.) spade lug or stripped wire

• Terminal Screw Torque: Refer to installation manual

• Enclosure Type: Open-style (IP20)

• Mounting: DIN Rail (35 x 7.5 mm or 35 x 15 mm)

• Operating Temperature: –20°C to +65°C

• Storage Temperature: –40°C to +85°C

• Operating Humidity: 5–95% non-condensing

• Shock (Operating): 30G panel mounted, 3 pulses per axis

• Vibration (Operating): 10–500 Hz, 5G, 0.030 in. max peak-to-peak

• ESD Immunity: IEC1000-4-2: 4kV contact, 8kV air

• EFT/B Immunity: IEC1000-4-4: 2kV @ 5kHz

• Hazardous Location: Class I, Division 2 Groups A, B, C, D (UL 1604, C-UL)

• Certifications: CE, C-TICK, cULus, KC

System Compatibility:

• Rockwell Automation MicroLogix 1100 controllers

• MicroLogix 1200 controllers

• MicroLogix 1400 controllers

• 1762 I/O expansion bus

• RSLogix 500 / Connected Components Workbench software

Typical System Architecture:
1762 Power Supply
↓
MicroLogix 1100 / 1200 / 1400 Controller
↓
1762-OB16 Output Module (for actuator / relay control)
↓
1762-IQ16 Input Module (for sensor / switch signals)

Related Products:

• 1762-IQ16 – 16-point 24V DC sinking/sourcing input module

• 1762-IQ32T – 32-point 24V DC sink/source input module

• 1762-OB8 – 8-point 24V DC source output module

• 1762-OB32T – 32-point 24V DC source output module

• 1762-OW16 – 16-point relay output module (AC/DC)

• 1762-OF4 – 4-channel analog output module

• 1762-IF4 – 4-channel analog input module

• 1762-IF2OF2 – 2-channel analog input / 2-channel analog output combo module

• 1762-CBL-PM02 – Programming cable for MicroLogix 1200/1400

Installation Notes:

• Use a 5.6kΩ, 1/4W loading resistor in parallel with the load to limit leakage current effects

• For inductive DC loads, use a 1N4004 diode reverse-wired across the load for surge suppression

• Refer to Industrial Automation Wiring and Grounding Guidelines (Allen-Bradley publication 1770-4.1)

• Close DIN rail latches before mounting the module

• The module may not be more than 6 modules away from the power supply

PLC ERA is an independent industrial automation distributor supplying 100% genuine Original New products through established global supply channels. Allen-Bradley, MicroLogix, and RSLogix are trademarks of Rockwell Automation.