Allen Bradley 1756-OB32 Digital Output Module

The AB 1756-OB32 is a 32-point digital output module for the ControlLogix platform, designed to deliver reliable DC signal control in high-density industrial applications. With sourcing (PNP) transistor outputs rated for 10–31V DC, this module is ideal for driving actuators, solenoids, indicators, and other field devices requiring precise and consistent 24V DC switching.

Housed in a standard ControlLogix chassis slot, the 1756-OB32 offers compact, high-density output capability and is equipped with a 36-pin plug-in terminal interface for efficient field wiring and panel integration.

Technical Specifications

Model: 1756OB32
Series: ControlLogix
Type: Digital Output Module
Channels: 32 Digital Outputs
Output Type: Sourcing (PNP), Transistor
Voltage Range: 10–31 V DC (nominal 12/24 V DC)
Application: Discrete output control, industrial actuators, machine automation

Electrical Specifications

Nominal Output Voltage: 12/24 V DC
Output Voltage Range: 10–31 V DC
Output Current per Channel: 0.5 A (max)
Total Output Current (Module): 16 A max
Input Current at Signal ‘1’: 2 mA (per channel)
Short-Circuit Protection: Not provided – external protection recommended
Signal Delay (On/Off): 0.6…1 ms
Isolation: Channel-to-backplane
Power Dissipation: Approx. 5.2 W
Output Protection: Overvoltage clamp (internal)

Mechanical Specifications

Width: 38.1 mm
Height: 300 mm
Depth: 111.25 mm
Mounting Type: ControlLogix chassis slot
Connection Type: 36-pin plug-in terminal block (sold separately)
Installation Orientation: Vertical
Rack Assembly Possible: Yes
Weight: Approx. 400 g
Front Installation Possible: Yes

Environmental Specifications

Operating Temperature: 0…60 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
IP Rating: IP20
Vibration Resistance: IEC 60068-2-6
Shock Resistance: IEC 60068-2-27
Certifications: CE, c-UL-us, RoHS
Use in Commercial Environments: Permitted with enclosure

Compliance & Communication

Backplane Protocol: ControlLogix I/O backplane
Communication Handling: Managed via Logix controller
Diagnostics: Channel-level fault monitoring and module status
Programming Software: Studio 5000 Logix Designer
Redundancy Support: Yes (with supported chassis configuration)
Supported Protocols: Via ControlLogix controller (e.g., EtherNet/IP)

Key Features & Benefits

✅ 32-Point Digital Output – High-density design for controlling multiple devices in space-constrained panels

✅ 12/24V DC Sourcing Outputs – Compatible with a wide range of field devices and control signals

✅ Compact ControlLogix Format – Integrates directly into any standard ControlLogix chassis

✅ Fast Switching Response – Low signal delay ensures responsive digital control

✅ Allen Bradley Performance – Trusted reliability and seamless compatibility in industrial systems

📦 Order the Allen Bradley 1756-OB32 from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-OB32 prices. With 11 units currently in stock, we ensure fast shipping and full support for your ControlLogix digital I/O system integration.

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Drive Outlet Megastore – your trusted source for Allen Bradley digital output modules and ControlLogix automation solutions.