Allen Bradley 1756-IB16I ControlLogix Isolated 24V DC Input Module
Allen Bradley 1756-IB16I ControlLogix Isolated 24V DC Input Module
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Brand:Allen Bradley PLC Item No.:Allen Bradley 1756-IB16I Product Origin:USA Product Dimensions:13.3 × 14.5 × 5.1 cm Product Weight:0.45 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1756-IB16I is a high-performance isolated digital input module designed for the ControlLogix automation platform. Built for demanding industrial environments, this module delivers dependable 24V DC signal acquisition while providing enhanced electrical isolation to improve system protection and signal integrity.
Unlike standard digital input modules, the 1756-IB16I features isolated input groups that help minimize the impact of electrical noise, voltage fluctuations, and grounding issues commonly found in large industrial facilities. This makes it an excellent solution for critical automation systems where stable input detection and long-term reliability are essential.
With its rugged industrial design and seamless integration into ControlLogix architectures, the 1756-IB16I remains a trusted choice for engineers seeking robust discrete input performance.
Technical Specifications
Category
Specification
Product Type
Isolated DC Digital Input Module
Series
ControlLogix 1756
Input Channels
16 isolated digital inputs
Input Voltage
10–31.2V DC
Nominal Voltage
24V DC
Input Configuration
Group isolated
Input Current
~2 mA @ 24V DC
Signal Delay
Configurable input filter
Isolation Voltage
250V continuous isolation
Backplane Current
~100 mA @ 5.1V DC
Power Dissipation
~5.5 W
Operating Temperature
0°C to 60°C
Dimensions (H × W × D)
13.3 × 14.5 × 5.1 cm
Weight
~0.32–0.45 kg
Recommended Related Models
1756-IB16 Standard DC Input Module (general-purpose applications)
1756-OB16 Digital Output Module (discrete output expansion)
1756-IF8 Analog Input Module (analog process monitoring)
1756-EN2T EtherNet/IP Communication Module (industrial networking)
1756-L83E ControlLogix CPU Module (high-performance controller integration)
Popular Allen Bradley Models
1756-IB16I Isolated DC Input Module
1756-IB16 Standard DC Input Module
1756-OB16E Diagnostic Output Module
1756-L81E ControlLogix 5580 Controller
1756-EN2TR Redundant Ethernet Module
Applications
The 1756-IB16I is widely used in industrial systems requiring enhanced electrical isolation and reliable digital input processing:
Automotive manufacturing systems
Process automation and chemical plants
High-noise industrial environments with VFDs and motors
Material handling and conveyor systems
Oil & gas production facilities
Power generation and utility infrastructure
Its isolation capabilities make it especially valuable in applications involving long cable runs and complex grounding conditions.
Advantages
Enhanced electrical isolation improves system stability
Reduces susceptibility to industrial electrical noise
Reliable 24V DC input signal detection
High-density 16-point design saves cabinet space
Seamless compatibility with ControlLogix chassis systems
Supports stable operation in harsh industrial environments
Simplifies maintenance with clear diagnostics and status indicators
Technical FAQs
1. What is the main function of the 1756-IB16I?
It receives 24V DC digital signals from field devices and transfers them to the ControlLogix controller with enhanced isolation protection.
2. How many inputs does the module support?
It supports 16 digital input channels.
3. What is the nominal operating voltage?
24V DC.
4. What makes the IB16I different from the standard IB16?
The IB16I includes enhanced isolation for improved protection against electrical interference and grounding issues.
5. Can it be used with both sink and source devices?
Yes, depending on system wiring configuration.
6. What industries commonly use this module?
Manufacturing, utilities, oil & gas, automotive, and process automation industries.
7. What is the operating temperature range?
0°C to 60°C.
8. What is the approximate module weight?
Approximately 0.32–0.45 kg.
9. Which software is used for configuration?
Studio 5000 Logix Designer.
10. Why is electrical isolation important in industrial systems?
Isolation helps protect equipment from electrical noise, voltage spikes, and grounding faults, improving overall system reliability.
