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ControlLogix 8 Pt 12/24V DC D/O Module
SKU: 1756-OB8
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Availability: Out of Stock
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Short Description
Description:
The 1756-OB8 is an 8-point DC digital output module intended for use with ControlLogix programmable automation systems.
It generates current-sourcing outputs to control devices like solenoids, relays, and indication lamps.
With 12/24V DC capability, this module is suited for discrete control applications that require consistent performance and moderate output density.
Its tiny size makes it ideal for systems with limited I/O requirements or where space efficiency is critical.
The module is also hot-swappable, allowing for maintenance without disrupting the system.
Output type: DC (positive logic).
Voltage range is 10-30V DC (nominal 12/24V DC).
Number of outputs: eight.
Current Capacity:
Each channel can handle up to 2A.
each module, up to 8 A in total.
Hot-swappable: Yes — allows for live replacement without shutting down the machine.
Status LEDs are individual indicators for each output channel.
Backplane Current Draw:
165 mA at 5 V DC.
2 mA at 24 V DC.
Buy currently uses Select Automation shop pricing and checkout.
Electrical Specifications:
Output Type: DC, sourcing (positive logic).
Number of Outputs: 8.
Voltage Range: 10–30 V DC.
Nominal Voltage: 12/24 V DC.
Current per Output:
Up to 2 A @ 60 °C.
Total Module Current:
Up to 8 A @ 60 °C.
Minimum Load: 3 mA per channel.
Leakage Current (Off State): < 0.5 mA.
Voltage Drop (On State): ≤ 1.2 V.
Backplane & Power:
Backplane Current Draw:
165 mA @ 5 V DC.
2 mA @ 24 V DC.
Power Dissipation: ~2.5 W max.
Functional Features:
Hot-Swappable: Yes — replace while powered.
Status Indicators: Individual LEDs for each output.
Diagnostics: Basic fault detection.
Output Protection: Short-circuit protection not built-in (external protection recommended).
Environmental Ratings:
Operating Temperature: 0 to 60 °C.
Storage Temperature: –40 to 85 °C.
Humidity: 5% to 95% non-condensing.
Shock: 30 G.
Vibration: 2 G @ 10–500 Hz.
Certifications: UL, CE, RoHS.
Physical & Mounting:
Slot Requirement: 1 slot in ControlLogix chassis.
Terminal Block Compatibility:
1756-TBCH (cage clamp).
1756-TBS6H (spring clamp).
Enclosure Type: Open style (requires panel enclosure).
Lifecycle Status: Active.