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Allen-Bradley 1756-OB16I DC Digital I/O Modules

Allen-Bradley 1756-OB16I DC Digital I/O Modules

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-OB16I

  • Condition:1000 in stock

  • Product Type: DC Digital I/O Modules

  • Product Origin: USA

  • Payment: T/T, Western Union

  • Weight: 1000g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • 24/7 Support
  • 30-Day Returns
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Product Details: Allen-Bradley 1756-OB16I DC Digital I/O Module

Manufacturer Model/Part Number Description
Allen-Bradley 1756-OB16I DC Digital I/O Module

Technical Specifications

Attribute 1756-OB16I / 1756-OB16IK
Number of Outputs 16 individually isolated
Pilot Duty 2 A (DC-13SQ)
Voltage Category 12/24V DC sink/source
Operating Voltage Range 10…30V DC (UL certified for 24V DC nominal)
Output Delay Time Off to On: 1 ms max / On to Off: 2 ms max
Current Draw @ 5.1V 350 mA
Current Draw @ 24V 2.5 mA
Total Backplane Power 1.8 W
Power Dissipation (Max) 3.6 W @ 60°C (140°F)
Thermal Dissipation 12.28 BTU/hr
Off-State Leakage Current (Max) 0.5 mA per point
On-State Voltage Drop (Max) 1.2V DC @ 2 A
Max Current per Point 2 A @ 30°C (86°F) / 1 A @ 60°C (140°F) (linear derating)
Max Current per Module 8 A @ 30°C (86°F) / 4 A @ 60°C (140°F) (linear derating)
Surge Current per Point 4 A for 10 ms per point, repeatable every 2s
Load Current (Min) 1 mA per point
Scheduled Outputs Synchronization within 16.7 µs max (Coordinated System Time)
Fault Mode States per Point Hold last state, On or Off (default Off)
Program Mode States per Point Hold last state, On or Off (default Off)
Isolation Voltage 250V continuous (basic insulation type, outputs-to-backplane), 125V continuous (output-to-output)
Module Keying Electronic, software configurable
Fusing Not protected (Fused IFM recommended for output protection)
Removable Terminal Block (RTB) 1756-TBCH / 1756-TBS6H
RTB Keying User-defined mechanical
Slot Width 1
Wire Category Category 1 (Industrial Automation Wiring and Grounding Guidelines)
Enclosure Type None (open-style)
Temperature Code T4

Environmental Specifications

Attribute 1756-OB16I / 1756-OB16IK
Operating Temperature 0…60°C (32…140°F)
Non-Operating Temperature -40…85°C (-40…185°F)
Relative Humidity 5…95% non-condensing
Vibration 2 g @ 10…500 Hz (IEC 60068-2-6)
Shock (Operating) 30 g (IEC 60068-2-27)
Shock (Non-Operating) 50 g (IEC 60068-2-27)
Emissions Standard IEC 61000-6-4
Electrostatic Discharge (ESD) Immunity IEC 61000-4-2 (6 kV contact, 8 kV air)
Radiated RF Immunity IEC 61000-4-3 (10V/m with 1 kHz sine wave 80% AM from 80…2000 MHz)
EFT/B Immunity IEC 61000-4-4 (±4 kV at 5 kHz on signal ports)
Surge Transient Immunity IEC 61000-4-5 (±1 kV line-line, ±2 kV line-earth on signal ports)
Conducted RF Immunity IEC 61000-4-6 (10V rms with 1 kHz sine wave 80% AM from 150 kHz…80 MHz)
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Product Description

Product Details: Allen-Bradley 1756-OB16I DC Digital I/O Module

Manufacturer Model/Part Number Description
Allen-Bradley 1756-OB16I DC Digital I/O Module

Technical Specifications

Attribute 1756-OB16I / 1756-OB16IK
Number of Outputs 16 individually isolated
Pilot Duty 2 A (DC-13SQ)
Voltage Category 12/24V DC sink/source
Operating Voltage Range 10…30V DC (UL certified for 24V DC nominal)
Output Delay Time Off to On: 1 ms max / On to Off: 2 ms max
Current Draw @ 5.1V 350 mA
Current Draw @ 24V 2.5 mA
Total Backplane Power 1.8 W
Power Dissipation (Max) 3.6 W @ 60°C (140°F)
Thermal Dissipation 12.28 BTU/hr
Off-State Leakage Current (Max) 0.5 mA per point
On-State Voltage Drop (Max) 1.2V DC @ 2 A
Max Current per Point 2 A @ 30°C (86°F) / 1 A @ 60°C (140°F) (linear derating)
Max Current per Module 8 A @ 30°C (86°F) / 4 A @ 60°C (140°F) (linear derating)
Surge Current per Point 4 A for 10 ms per point, repeatable every 2s
Load Current (Min) 1 mA per point
Scheduled Outputs Synchronization within 16.7 µs max (Coordinated System Time)
Fault Mode States per Point Hold last state, On or Off (default Off)
Program Mode States per Point Hold last state, On or Off (default Off)
Isolation Voltage 250V continuous (basic insulation type, outputs-to-backplane), 125V continuous (output-to-output)
Module Keying Electronic, software configurable
Fusing Not protected (Fused IFM recommended for output protection)
Removable Terminal Block (RTB) 1756-TBCH / 1756-TBS6H
RTB Keying User-defined mechanical
Slot Width 1
Wire Category Category 1 (Industrial Automation Wiring and Grounding Guidelines)
Enclosure Type None (open-style)
Temperature Code T4

Environmental Specifications

Attribute 1756-OB16I / 1756-OB16IK
Operating Temperature 0…60°C (32…140°F)
Non-Operating Temperature -40…85°C (-40…185°F)
Relative Humidity 5…95% non-condensing
Vibration 2 g @ 10…500 Hz (IEC 60068-2-6)
Shock (Operating) 30 g (IEC 60068-2-27)
Shock (Non-Operating) 50 g (IEC 60068-2-27)
Emissions Standard IEC 61000-6-4
Electrostatic Discharge (ESD) Immunity IEC 61000-4-2 (6 kV contact, 8 kV air)
Radiated RF Immunity IEC 61000-4-3 (10V/m with 1 kHz sine wave 80% AM from 80…2000 MHz)
EFT/B Immunity IEC 61000-4-4 (±4 kV at 5 kHz on signal ports)
Surge Transient Immunity IEC 61000-4-5 (±1 kV line-line, ±2 kV line-earth on signal ports)
Conducted RF Immunity IEC 61000-4-6 (10V rms with 1 kHz sine wave 80% AM from 150 kHz…80 MHz)

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