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ControlLogix 32 Pt 12/24V DC D/O Module
SKU: 1756-OB32
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Short Description
Description:
The 1756-OB32 is a high-density digital output module for ControlLogix® systems, with 32 sourcing outputs to operate DC-powered devices such solenoids, relays, and indicator lights.
This module is perfect for applications that need small, effective control of several outputs in a single chassis slot because it operates at 12/24V DC.
Each output is connected to a common ground (non-isolated), making wiring simpler in systems where channel separation is not required.
With its strong current handling and built-in diagnostics, the 1756-OB32 performs consistently in harsh industrial applications.
High density: 32 outputs in a single slot, which saves chassis space.
LED indicators provide visual status for each channel.
Hot swappable: Replace without turning off the machine.
Flexible control: Each output works independently.
Reliable performance: Designed for industrial applications.
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Electrical Characteristics:
Output Type: DC, sourcing (positive logic).
Voltage Range: 10–31.2 V DC.
Nominal Voltage: 12/24 V DC.
Current Ratings:
Per Point: 0.5 A max (0.35 A @ 60 °C).
Per Module: 16 A max (10 A @ 60 °C).
Minimum Load: 3 mA per output.
Leakage Current (Off State): < 0.5 mA.
Voltage Drop (On State): ≤ 1.2 V.
Surge Current: Not specified (typically handled externally).
Functional Features:
Number of Outputs: 32.
Output Configuration: Non-isolated (shared common ground).
Hot-Swappable: Yes.
Status Indicators: Individual LED for each output.
Diagnostics: Basic fault detection (short circuit, open load not supported).
Backplane Current Draw:
300 mA @ 5 V DC.
2 mA @ 24 V DC.
Power Dissipation: 4.8 W max @ 60 °C.
Environmental Ratings:
Operating Temperature: 0 to 60 °C.
Storage Temperature: –40 to 85 °C.
Humidity: 5% to 95% non-condensing.
Vibration: 2 G @ 10–500 Hz.
Shock: 30 G.
Certifications: UL, CE, CSA, RoHS.
Physical Attributes:
Slot Requirement: 1 slot in ControlLogix chassis.
Compatible Terminal Blocks:
1756-TBCH (36-pin cage clamp).
1756-TBS6H (36-pin spring clamp).
Dimensions: Approx. 145 mm x 35 mm x 140 mm.
Weight: ~0.25 kg.
Enclosure Type: Open style (requires panel enclosure).