Allen Bradley 1756-OW16I Digital Output Module

The AB 1756-OW16I is a high-density, isolated relay output module designed for use in ControlLogix chassis-based systems. Featuring 16 individually isolated relay outputs, this module provides versatile switching capability for both AC and DC loads across a wide voltage range.

With mechanical relay contacts rated up to 10 A and support for voltages between 10…230V AC/DC, the 1756-OW16I is ideal for controlling solenoids, contactors, lighting, and other discrete outputs in industrial automation environments.

Technical Specifications

Model: 1756OW16I
Series: ControlLogix
Type: Digital Relay Output Module
Number of Outputs: 16
Output Type: Isolated Relay (mechanical contacts)
Output Voltage Range: 10…230V AC/DC
Output Current (per point): Up to 2 A
Output Current (per module): Up to 10 A total
Connector Type: 36-pin Plug-in Connection (removable terminal block required)
Signal Change Delay: 10 ms ON/OFF (typical)
Short-Circuit Protection: Not available

Electrical Specifications

Nominal Supply Voltage: Supplied via ControlLogix backplane
Backplane Current (5.1V): 150 mA
Backplane Current (24V): 150 mA
Isolation Voltage: 250V (continuous), basic insulation
Contact Type: SPST-NO (form A), electromechanical
Contact Life:

• Mechanical: >10 million operations
• Electrical: ~100,000 operations (at rated load)
  Switching Frequency: Low (relay contact dependent)

Network & Interface Specifications

Communication Interface: ControlLogix backplane
Supported Protocols (via controller):
✅ EtherNet/IP
✅ ControlNet
✅ DeviceNet
✅ Modbus (via gateway or module)
I/O Mapping: Configurable via Studio 5000 or RSLogix 5000
Hot Swappable: Yes (when used in compliant chassis)

Mechanical Specifications

Enclosure Type: Open-style module (for use in 1756 chassis)
Width: 38.1 mm
Height: 300 mm
Depth: 111.25 mm
Mounting Type: Slot-based chassis mounting
Weight: Approx. 350 g
Installation Orientation: Vertical (in standard ControlLogix chassis)

Environmental Specifications

Operating Temperature: 0…60 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
Shock Rating: 30 g operational
Vibration Resistance: 2 g @ 10–500 Hz
Pollution Degree: 2
Altitude Limit: Up to 2000 m
Application Suitability: Indoor, control panel installation only

Compliance & Certifications

Certifications: UL, c-UL, CE, RoHS
Standards Met: EN 61131-2, IEC 61010
Safety Category: General purpose (not SIL-rated)
EMC Compliance: EN 61000-6-2 / 6-4
Use with: ControlLogix chassis and compatible controller modules

Key Features & Benefits

✅ 16 Isolated Relay Outputs – Mechanically switched outputs for high-voltage and mixed AC/DC control

✅ Wide Voltage Range – Compatible with 10–230V AC or DC loads

✅ Flexible Control – Ideal for actuators, relays, pilot lights, and solenoid control

✅ Reliable Isolation – Each output channel is fully isolated for maximum protection and signal integrity

✅ Plug-In Terminal Block – Simplifies wiring and maintenance in ControlLogix racks

📦 Order the Allen Bradley 1756-OW16I from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-OW16I prices. This 16-point isolated relay output module is built to handle demanding industrial switching applications—available now with fast dispatch and expert support.

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