The Allen-Bradley 1756-IB16 is a 16-point DC digital input module designed for the ControlLogix system, offering reliable and efficient input processing for industrial automation applications.
Key Features
- Input Channels: 16 inputs, organized into two groups of eight.
- Nominal Input Voltage: 24V DC.
- Operating Voltage Range: 10 to 31.2V DC.
- Input Current: 10 mA at 24V DC (typical).
- On-State Voltage: 10 to 31.2V DC.
- Off-State Voltage: 0 to 5V DC.
- Input Delay Time: Hardware delay of 0.1 ms (ON) and 1 ms (OFF) typical; software-configurable filters available.
- Backplane Current: 100 mA at 5.1V DC, 3 mA at 24V DC.
- Power Dissipation: 5.1 W maximum.
- Thermal Dissipation: 17.39 BTU/hr.
- Isolation: 250V continuous, basic insulation type; 1500V AC for 60 s between groups and group-to-backplane.
- Removable Terminal Block (RTB): Compatible with 1756-TBNH or 1756-TBSH (20-pin, screw or spring clamp).
- Wire Size: 0.33–2.1 mm² (22–14 AWG).
- Slot Width: 1 slot.
- Operating Temperature: 0°C to 60°C (32°F to 140°F).
- Storage Temperature: -40°C to 85°C (-40°F to 185°F).
- Humidity: 5% to 95% (non-condensing).
- Vibration: 2 G at 10–500 Hz.
- Shock (Operating): 30 G.
- Environmental Rating: IP20.
- Standards Compliance: CE, UL, CSA, FM, ATEX, IECEx.
Applications
The 1756-IB16 module is ideal for medium to large-scale industrial applications, including factory automation, process control, and motion control systems. Its high-capacity input handling and versatile voltage compatibility ensure precise and reliable input management.
Installation and Compatibility
This module is compatible with ControlLogix chassis and controllers. It requires a removable terminal block (RTB) for wiring connections, specifically the 1756-TBNH or 1756-TBSH models. Proper installation and grounding of the 1756 chassis and power supply are essential for optimal performance.
Certifications
The 1756-IB16 module meets various international standards, including CE, UL, CSA, FM, ATEX, and IECEx, ensuring compliance with global safety and performance requirements.
In summary, the Allen-Bradley 1756-IB16 ControlLogix 16-Point 12/24V DC Digital Input Module offers robust performance and flexibility, making it a valuable component in diverse industrial automation systems.















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