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Allen Bradley 1756-IC16 ControlLogix Isolated Contact Input Module

Allen Bradley 1756-IC16 ControlLogix Isolated Contact Input Module

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Brand:Allen Bradley PLC
Item No.:Allen Bradley 1756-IC16
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

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1756-IC16-11756-IC16-31756-IC16-41756-IC16-2

The Allen-Bradley 1756-IC16 is a ControlLogix isolated contact input module specifically engineered for monitoring dry contact and relay-based input signals in industrial automation systems. Designed for high-reliability applications, this module delivers stable signal acquisition while providing electrical isolation that helps protect automation systems from noise, voltage spikes, and grounding irregularities.

Built to operate within demanding industrial environments, the 1756-IC16 is commonly used in systems requiring dependable contact monitoring, such as motor control centers, utility infrastructure, and process automation facilities. Its robust design and seamless integration into the ControlLogix platform make it a preferred solution for engineers seeking long-term operational stability and simplified diagnostics.


Technical Specifications

CategorySpecification
Product TypeIsolated Contact Input Module
SeriesControlLogix 1756
Input Channels16 isolated contact inputs
Signal TypeDry contact / relay contact input
IsolationGroup isolated
Input Voltage Range10–30V DC equivalent sensing
Nominal Input Voltage24V DC
Input DelayConfigurable filter settings
Backplane Current~120 mA @ 5.1V DC
Power DissipationApprox. 5 W
Wiring CategoryIndustrial discrete contact sensing
Operating Temperature0°C to 60°C
Dimensions (H × W × D)13.3 × 14.5 × 5.1 cm
WeightApprox. 0.30–0.45 kg

Recommended Related Models

  • 1756-IB16 DC Digital Input Module (standard 24V DC inputs)
  • 1756-OB16 Digital Output Module (output control applications)
  • 1756-IF8 Analog Input Module (analog process monitoring)
  • 1756-EN2T EtherNet/IP Communication Module (industrial networking integration)
  • 1756-L83E ControlLogix 5580 CPU Module (high-performance controller platform)

Popular Allen Bradley Models

  • 1756-IC16 Isolated Contact Input Module
  • 1756-IB32 High-Density DC Input Module
  • 1756-OB32 Digital Output Module
  • 1756-L81E ControlLogix Controller
  • 1756-EN2TR Redundant Ethernet Module 


Applications

The 1756-IC16 is widely used in industrial automation systems requiring reliable contact-state monitoring:

  • Motor starter and relay feedback systems
  • Industrial alarm and interlock monitoring
  • Utility and power distribution control panels
  • Process automation signal acquisition
  • Conveyor and material handling systems
  • Manufacturing equipment status monitoring

Its isolated architecture makes it especially effective in environments with high electrical interference or mixed grounding conditions.


Advantages

  • Reliable dry-contact signal detection for industrial systems
  • Enhanced electrical isolation improves operational stability
  • Reduces susceptibility to electrical noise and transient interference
  • Compact 16-point configuration optimizes panel space
  • Seamless integration with the ControlLogix ecosystem
  • Flexible filtering improves signal accuracy and debounce control
  • Durable industrial construction for long-term continuous operation


Technical FAQs

1. What is the primary function of the 1756-IC16?
It monitors isolated dry-contact or relay-based input signals within a ControlLogix system.

2. How many input channels does it support?
The module supports 16 isolated input channels.

3. What types of devices can connect to it?
Relay contacts, pushbuttons, switches, and other dry-contact devices.

4. Does the module provide electrical isolation?
Yes, it includes group isolation to improve system protection and signal integrity.

5. Is it suitable for noisy industrial environments?
Yes, its isolated design helps minimize the impact of electrical interference.

6. What is the nominal sensing voltage?
Typically 24V DC equivalent sensing.

7. What industries commonly use the 1756-IC16?
Manufacturing, utilities, energy, process automation, and material handling industries.

8. What is the operating temperature range?
0°C to 60°C.

9. What software is used for configuration?
Studio 5000 Logix Designer.

10. What is the approximate module weight?
Approximately 0.30–0.45 kg depending on hardware revision.


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