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1756-OH8I A-B Output module
1756-OH8I A-B Output module - Image 2
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1756-OH8I A-B Output module

Brand： A-B

Model number：1756-OH8I

Colour：new                                    Warranty: 12 months

Lead Time：3-day working day   Country of origin: USA

Price: Please contact us         Product weight：0.3kg

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Category: SKU: 1756-OH8I Brand:

Description

1756-OH8I A-B Output module

Product Dimensions：

Product Description

Allen-Bradley Digital Output Modules are essential components in the Rockwell Automation ControlLogix and CompactLogix families. These modules convert digital signals from the controller into actionable outputs to control field devices such as relays, motor starters, solenoids, indicator lamps, and alarms. They are available in various configurations, including different output types (sinking/sourcing), voltage ratings, and point densities to suit a wide range of industrial automation applications.

Product Parameters

Parameter Specification (varies by model)
Module Type Digital Output
Number of Points 8, 16, 32 points (model-dependent)
Output Type Sinking or Sourcing
Voltage Rating 24V DC, 120V AC, 230V AC, etc.
Current per Point Up to 2A (varies by model)
Isolation Group or per-point isolation
Backplane Current Typically 150–500 mA
Operating Temp 0–60 °C (32–140 °F)
Communication Backplane via ControlLogix/CompactLogix chassis
Diagnostic Features Wire-off, overload, and fault detection (select models)
Removable Terminal Block (RTB) Yes (on most models)

Product Advantages

  • High Flexibility: Available in multiple configurations to match application needs, including high-density models for space-saving installations.
  • Robust Performance: Designed for harsh industrial environments with high noise immunity and long-term reliability.
  • Ease of Integration: Seamless integration with RSLogix 5000 and Studio 5000 Logix Designer environments.
  • Advanced Diagnostics: Many models offer point-level diagnostics for troubleshooting and predictive maintenance.
  • Modular Design: Hot-swappable and replaceable terminal blocks reduce downtime during maintenance.
  • Safety Certification: Certain models are SIL 2/3 certified for use in safety-rated systems when paired with GuardLogix controllers.

Precautions

  • Correct Voltage Matching: Ensure the module voltage matches the field device requirements to prevent damage.
  • Proper Wiring: Follow wiring diagrams strictly to avoid short circuits or incorrect signal routing.
  • Heat Dissipation: Avoid overloading the module beyond rated current to prevent overheating.
  • Grounding: Proper grounding is essential to avoid signal interference and ensure stable operation.
  • Environmental Conditions: Do not exceed the specified temperature and humidity ranges.
  • Compatibility Check: Verify compatibility with the controller firmware and backplane revision before installation.
  • Use Protective Circuits: For inductive loads (e.g., relays, solenoids), use surge suppression or flyback diodes to protect the module.

Product Applications

  • Manufacturing Automation: Control of actuators, pneumatic valves, and stack lights in assembly lines.
  • Material Handling: Operation of conveyors, diverters, and sorters in automated warehouses.
  • Packaging Systems: Driving motors, heaters, and sealing elements in packaging machinery.
  • Process Control: Switching pumps, fans, and alarms in water treatment, chemical, and power plants.
  • Automotive Production: Managing robotic arms, welding guns, and safety lights.
  • Building Automation: Controlling HVAC systems, lighting, and security devices.
  • Energy Systems: Managing circuit breakers, status indicators, and alarms in power distribution units.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

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